./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound10.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:42:55,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:42:55,223 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:42:55,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:42:55,230 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:42:55,265 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:42:55,265 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:42:55,266 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:42:55,266 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:42:55,267 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:42:55,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:42:55,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:42:55,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:42:55,269 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:42:55,271 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:42:55,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:42:55,271 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:42:55,272 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:42:55,272 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:42:55,272 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:42:55,272 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:42:55,273 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:42:55,273 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:42:55,274 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:42:55,274 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:42:55,274 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:42:55,275 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:42:55,275 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:42:55,275 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:42:55,275 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:42:55,276 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:42:55,276 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:42:55,276 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:42:55,277 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:42:55,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:42:55,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:42:55,278 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:42:55,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:42:55,278 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:42:55,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:42:55,279 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:42:55,279 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:42:55,279 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:42:55,280 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:42:55,280 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 [2024-11-17 04:42:55,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:42:55,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:42:55,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:42:55,569 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:42:55,569 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:42:55,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound10.c [2024-11-17 04:42:57,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:42:57,283 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:42:57,283 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound10.c [2024-11-17 04:42:57,291 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d99d3134/6af93e71d1d846a993f2ac49248bf829/FLAG498c05b22 [2024-11-17 04:42:57,307 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d99d3134/6af93e71d1d846a993f2ac49248bf829 [2024-11-17 04:42:57,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:42:57,310 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:42:57,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:42:57,312 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:42:57,318 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:42:57,319 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:42:57" (1/1) ... [2024-11-17 04:42:57,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e39a55f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:57, skipping insertion in model container [2024-11-17 04:42:57,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:42:57" (1/1) ... [2024-11-17 04:42:57,341 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:42:57,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:42:57,558 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:42:57,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:42:57,595 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:42:57,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:57 WrapperNode [2024-11-17 04:42:57,596 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:42:57,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:42:57,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:42:57,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:42:57,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:57" (1/1) ... [2024-11-17 04:42:57,616 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:57" (1/1) ... [2024-11-17 04:42:57,637 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2024-11-17 04:42:57,637 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:42:57,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:42:57,638 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:42:57,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:42:57,648 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:57" (1/1) ... [2024-11-17 04:42:57,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:57" (1/1) ... [2024-11-17 04:42:57,650 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:57" (1/1) ... [2024-11-17 04:42:57,663 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 04:42:57,664 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:57" (1/1) ... [2024-11-17 04:42:57,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:57" (1/1) ... [2024-11-17 04:42:57,667 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:57" (1/1) ... [2024-11-17 04:42:57,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:57" (1/1) ... [2024-11-17 04:42:57,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:57" (1/1) ... [2024-11-17 04:42:57,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:57" (1/1) ... [2024-11-17 04:42:57,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:42:57,671 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:42:57,671 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:42:57,671 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:42:57,672 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:57" (1/1) ... [2024-11-17 04:42:57,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:42:57,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:57,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 04:42:57,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 04:42:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:42:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-17 04:42:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-17 04:42:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:42:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:42:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:42:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:42:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:42:57,841 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:42:57,845 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:42:58,143 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-17 04:42:58,145 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:42:58,165 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:42:58,165 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:42:58,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:42:58 BoogieIcfgContainer [2024-11-17 04:42:58,166 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:42:58,169 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:42:58,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:42:58,174 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:42:58,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:42:57" (1/3) ... [2024-11-17 04:42:58,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f467324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:42:58, skipping insertion in model container [2024-11-17 04:42:58,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:57" (2/3) ... [2024-11-17 04:42:58,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f467324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:42:58, skipping insertion in model container [2024-11-17 04:42:58,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:42:58" (3/3) ... [2024-11-17 04:42:58,179 INFO L112 eAbstractionObserver]: Analyzing ICFG mannadiv_valuebound10.c [2024-11-17 04:42:58,198 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:42:58,199 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2024-11-17 04:42:58,275 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:42:58,282 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;@32276243, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:42:58,283 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-17 04:42:58,289 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 42 states have (on average 1.619047619047619) internal successors, (68), 62 states have internal predecessors, (68), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 04:42:58,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 04:42:58,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:58,302 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:58,302 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:42:58,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:58,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1896484208, now seen corresponding path program 1 times [2024-11-17 04:42:58,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:58,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888100529] [2024-11-17 04:42:58,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:58,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:58,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:58,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:58,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:58,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:58,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888100529] [2024-11-17 04:42:58,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888100529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:58,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:58,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:42:58,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138374243] [2024-11-17 04:42:58,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:58,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:42:58,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:58,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:42:58,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:42:58,604 INFO L87 Difference]: Start difference. First operand has 69 states, 42 states have (on average 1.619047619047619) internal successors, (68), 62 states have internal predecessors, (68), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:58,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:58,622 INFO L93 Difference]: Finished difference Result 134 states and 151 transitions. [2024-11-17 04:42:58,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:42:58,624 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-17 04:42:58,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:58,631 INFO L225 Difference]: With dead ends: 134 [2024-11-17 04:42:58,631 INFO L226 Difference]: Without dead ends: 62 [2024-11-17 04:42:58,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:42:58,637 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:58,638 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:42:58,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-17 04:42:58,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-17 04:42:58,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.5675675675675675) internal successors, (58), 56 states have internal predecessors, (58), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:42:58,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 64 transitions. [2024-11-17 04:42:58,674 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 64 transitions. Word has length 15 [2024-11-17 04:42:58,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:58,675 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 64 transitions. [2024-11-17 04:42:58,676 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:58,676 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2024-11-17 04:42:58,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 04:42:58,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:58,677 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:58,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:42:58,677 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:42:58,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:58,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1338531272, now seen corresponding path program 1 times [2024-11-17 04:42:58,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:58,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141296929] [2024-11-17 04:42:58,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:58,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:42:58,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1582776224] [2024-11-17 04:42:58,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:58,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:58,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:58,712 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:42:58,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:42:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:58,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:42:58,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:58,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:58,794 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:42:58,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:58,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141296929] [2024-11-17 04:42:58,795 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:42:58,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582776224] [2024-11-17 04:42:58,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582776224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:58,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:58,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:42:58,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447755389] [2024-11-17 04:42:58,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:58,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:42:58,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:58,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:42:58,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:42:58,800 INFO L87 Difference]: Start difference. First operand 62 states and 64 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:58,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:58,934 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2024-11-17 04:42:58,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:42:58,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2024-11-17 04:42:58,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:58,936 INFO L225 Difference]: With dead ends: 100 [2024-11-17 04:42:58,936 INFO L226 Difference]: Without dead ends: 94 [2024-11-17 04:42:58,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:42:58,938 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 29 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:58,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 84 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:58,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-17 04:42:58,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 85. [2024-11-17 04:42:58,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 59 states have (on average 1.5593220338983051) internal successors, (92), 78 states have internal predecessors, (92), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 04:42:58,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 100 transitions. [2024-11-17 04:42:58,957 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 100 transitions. Word has length 16 [2024-11-17 04:42:58,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:58,957 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 100 transitions. [2024-11-17 04:42:58,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:58,958 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 100 transitions. [2024-11-17 04:42:58,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-17 04:42:58,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:58,959 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:58,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 04:42:59,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:59,161 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:42:59,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:59,162 INFO L85 PathProgramCache]: Analyzing trace with hash -2133330282, now seen corresponding path program 1 times [2024-11-17 04:42:59,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:59,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727341749] [2024-11-17 04:42:59,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:59,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:59,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:59,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:59,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:59,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:59,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727341749] [2024-11-17 04:42:59,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727341749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:59,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:59,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:42:59,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893377909] [2024-11-17 04:42:59,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:59,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:42:59,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:59,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:42:59,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:42:59,356 INFO L87 Difference]: Start difference. First operand 85 states and 100 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:59,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:59,580 INFO L93 Difference]: Finished difference Result 133 states and 165 transitions. [2024-11-17 04:42:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:42:59,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2024-11-17 04:42:59,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:59,583 INFO L225 Difference]: With dead ends: 133 [2024-11-17 04:42:59,584 INFO L226 Difference]: Without dead ends: 126 [2024-11-17 04:42:59,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:42:59,585 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 24 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:59,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 103 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:42:59,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-17 04:42:59,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 120. [2024-11-17 04:42:59,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 92 states have (on average 1.5) internal successors, (138), 111 states have internal predecessors, (138), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:42:59,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 150 transitions. [2024-11-17 04:42:59,599 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 150 transitions. Word has length 18 [2024-11-17 04:42:59,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:59,600 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 150 transitions. [2024-11-17 04:42:59,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:59,600 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 150 transitions. [2024-11-17 04:42:59,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-17 04:42:59,601 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:59,601 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:59,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:42:59,601 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:42:59,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:59,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1708729287, now seen corresponding path program 1 times [2024-11-17 04:42:59,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:59,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124269434] [2024-11-17 04:42:59,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:59,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:59,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:59,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:59,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:59,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:59,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124269434] [2024-11-17 04:42:59,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124269434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:59,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:59,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:42:59,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303694643] [2024-11-17 04:42:59,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:59,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:42:59,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:59,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:42:59,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:42:59,726 INFO L87 Difference]: Start difference. First operand 120 states and 150 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:43:00,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:00,108 INFO L93 Difference]: Finished difference Result 128 states and 153 transitions. [2024-11-17 04:43:00,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:43:00,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-17 04:43:00,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:00,111 INFO L225 Difference]: With dead ends: 128 [2024-11-17 04:43:00,111 INFO L226 Difference]: Without dead ends: 119 [2024-11-17 04:43:00,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:43:00,112 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 23 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:00,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 107 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:43:00,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-17 04:43:00,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 115. [2024-11-17 04:43:00,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 87 states have (on average 1.471264367816092) internal successors, (128), 106 states have internal predecessors, (128), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:43:00,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 140 transitions. [2024-11-17 04:43:00,124 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 140 transitions. Word has length 19 [2024-11-17 04:43:00,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:00,124 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 140 transitions. [2024-11-17 04:43:00,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:43:00,125 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 140 transitions. [2024-11-17 04:43:00,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-17 04:43:00,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:00,126 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:00,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 04:43:00,126 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:00,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:00,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1431000332, now seen corresponding path program 1 times [2024-11-17 04:43:00,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:00,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213254022] [2024-11-17 04:43:00,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:00,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:00,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:00,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:00,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:43:00,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:00,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213254022] [2024-11-17 04:43:00,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213254022] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:00,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784101125] [2024-11-17 04:43:00,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:00,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:00,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:00,403 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:00,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:43:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:00,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:43:00,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:00,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:43:00,613 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:43:00,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784101125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:00,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:00,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-17 04:43:00,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075148654] [2024-11-17 04:43:00,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:00,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:43:00,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:00,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:43:00,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:43:00,615 INFO L87 Difference]: Start difference. First operand 115 states and 140 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:43:00,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:00,763 INFO L93 Difference]: Finished difference Result 120 states and 146 transitions. [2024-11-17 04:43:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:43:00,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-11-17 04:43:00,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:00,768 INFO L225 Difference]: With dead ends: 120 [2024-11-17 04:43:00,768 INFO L226 Difference]: Without dead ends: 119 [2024-11-17 04:43:00,769 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:43:00,770 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 82 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:00,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 68 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:00,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-17 04:43:00,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 115. [2024-11-17 04:43:00,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 87 states have (on average 1.4597701149425288) internal successors, (127), 106 states have internal predecessors, (127), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:43:00,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 139 transitions. [2024-11-17 04:43:00,783 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 139 transitions. Word has length 20 [2024-11-17 04:43:00,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:00,783 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 139 transitions. [2024-11-17 04:43:00,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:43:00,784 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 139 transitions. [2024-11-17 04:43:00,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-17 04:43:00,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:00,784 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:00,798 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 04:43:00,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:00,986 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:00,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:00,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1411337321, now seen corresponding path program 1 times [2024-11-17 04:43:00,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:00,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094904139] [2024-11-17 04:43:00,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:00,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:01,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1530858833] [2024-11-17 04:43:01,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:01,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:01,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:01,007 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:01,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:43:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:01,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:43:01,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:01,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:43:01,166 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:43:01,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:01,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094904139] [2024-11-17 04:43:01,167 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:01,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530858833] [2024-11-17 04:43:01,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530858833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:01,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:01,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:43:01,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305806443] [2024-11-17 04:43:01,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:01,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:43:01,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:01,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:43:01,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:43:01,172 INFO L87 Difference]: Start difference. First operand 115 states and 139 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:43:01,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:01,336 INFO L93 Difference]: Finished difference Result 117 states and 140 transitions. [2024-11-17 04:43:01,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:43:01,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-17 04:43:01,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:01,338 INFO L225 Difference]: With dead ends: 117 [2024-11-17 04:43:01,338 INFO L226 Difference]: Without dead ends: 116 [2024-11-17 04:43:01,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:43:01,339 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 73 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:01,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 74 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:01,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-17 04:43:01,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 115. [2024-11-17 04:43:01,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 106 states have internal predecessors, (126), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:43:01,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 138 transitions. [2024-11-17 04:43:01,357 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 138 transitions. Word has length 21 [2024-11-17 04:43:01,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:01,358 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 138 transitions. [2024-11-17 04:43:01,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:43:01,358 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 138 transitions. [2024-11-17 04:43:01,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-17 04:43:01,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:01,363 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:01,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:01,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:01,564 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:01,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:01,565 INFO L85 PathProgramCache]: Analyzing trace with hash -38340464, now seen corresponding path program 1 times [2024-11-17 04:43:01,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:01,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317398262] [2024-11-17 04:43:01,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:01,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:01,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:01,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:01,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:01,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:43:01,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:01,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317398262] [2024-11-17 04:43:01,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317398262] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:01,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602569274] [2024-11-17 04:43:01,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:01,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:01,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:01,741 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:01,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:43:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:01,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:43:01,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:01,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:43:01,855 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:01,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:43:01,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602569274] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:01,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:01,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-17 04:43:01,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075193623] [2024-11-17 04:43:01,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:01,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:43:01,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:01,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:43:01,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:43:01,970 INFO L87 Difference]: Start difference. First operand 115 states and 138 transitions. Second operand has 9 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:02,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:02,096 INFO L93 Difference]: Finished difference Result 177 states and 214 transitions. [2024-11-17 04:43:02,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:43:02,096 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 34 [2024-11-17 04:43:02,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:02,097 INFO L225 Difference]: With dead ends: 177 [2024-11-17 04:43:02,097 INFO L226 Difference]: Without dead ends: 175 [2024-11-17 04:43:02,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:43:02,098 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 137 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:02,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 234 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:02,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-17 04:43:02,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 165. [2024-11-17 04:43:02,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 135 states have (on average 1.4296296296296296) internal successors, (193), 154 states have internal predecessors, (193), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:43:02,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 209 transitions. [2024-11-17 04:43:02,113 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 209 transitions. Word has length 34 [2024-11-17 04:43:02,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:02,114 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 209 transitions. [2024-11-17 04:43:02,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:02,114 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 209 transitions. [2024-11-17 04:43:02,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-17 04:43:02,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:02,116 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:02,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 04:43:02,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:02,320 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:02,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:02,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1188554401, now seen corresponding path program 1 times [2024-11-17 04:43:02,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:02,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023027701] [2024-11-17 04:43:02,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:02,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:02,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:02,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:02,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:02,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:43:02,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:02,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023027701] [2024-11-17 04:43:02,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023027701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:02,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:02,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:43:02,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62052866] [2024-11-17 04:43:02,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:02,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:43:02,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:02,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:43:02,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:43:02,409 INFO L87 Difference]: Start difference. First operand 165 states and 209 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:43:02,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:02,457 INFO L93 Difference]: Finished difference Result 165 states and 209 transitions. [2024-11-17 04:43:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:43:02,458 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2024-11-17 04:43:02,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:02,459 INFO L225 Difference]: With dead ends: 165 [2024-11-17 04:43:02,460 INFO L226 Difference]: Without dead ends: 163 [2024-11-17 04:43:02,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:43:02,461 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 65 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:02,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 76 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:43:02,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-17 04:43:02,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2024-11-17 04:43:02,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 135 states have (on average 1.3925925925925926) internal successors, (188), 152 states have internal predecessors, (188), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:43:02,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 204 transitions. [2024-11-17 04:43:02,480 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 204 transitions. Word has length 35 [2024-11-17 04:43:02,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:02,480 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 204 transitions. [2024-11-17 04:43:02,481 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:43:02,481 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 204 transitions. [2024-11-17 04:43:02,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-17 04:43:02,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:02,482 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:02,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 04:43:02,482 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:02,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:02,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1252426759, now seen corresponding path program 1 times [2024-11-17 04:43:02,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:02,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978458628] [2024-11-17 04:43:02,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:02,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:02,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1841452244] [2024-11-17 04:43:02,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:02,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:02,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:02,498 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:02,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:43:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:02,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:43:02,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:02,717 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:43:02,718 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:02,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:02,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978458628] [2024-11-17 04:43:02,946 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:02,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841452244] [2024-11-17 04:43:02,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841452244] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:02,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:02,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-17 04:43:02,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49046536] [2024-11-17 04:43:02,947 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:02,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:43:02,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:02,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:43:02,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:43:02,950 INFO L87 Difference]: Start difference. First operand 163 states and 204 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:43:03,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:03,072 INFO L93 Difference]: Finished difference Result 172 states and 209 transitions. [2024-11-17 04:43:03,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:43:03,073 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 39 [2024-11-17 04:43:03,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:03,074 INFO L225 Difference]: With dead ends: 172 [2024-11-17 04:43:03,074 INFO L226 Difference]: Without dead ends: 165 [2024-11-17 04:43:03,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:43:03,075 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 84 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:03,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 55 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:03,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-17 04:43:03,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 159. [2024-11-17 04:43:03,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 136 states have (on average 1.2941176470588236) internal successors, (176), 148 states have internal predecessors, (176), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:43:03,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 192 transitions. [2024-11-17 04:43:03,090 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 192 transitions. Word has length 39 [2024-11-17 04:43:03,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:03,091 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 192 transitions. [2024-11-17 04:43:03,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:43:03,091 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 192 transitions. [2024-11-17 04:43:03,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-17 04:43:03,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:03,094 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:03,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 04:43:03,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:03,296 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:03,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:03,296 INFO L85 PathProgramCache]: Analyzing trace with hash 170523884, now seen corresponding path program 1 times [2024-11-17 04:43:03,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:03,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841007349] [2024-11-17 04:43:03,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:03,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:03,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [617290369] [2024-11-17 04:43:03,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:03,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:03,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:03,320 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:03,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:43:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:03,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:43:03,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:03,573 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:43:03,573 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:04,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:04,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841007349] [2024-11-17 04:43:04,035 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:04,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617290369] [2024-11-17 04:43:04,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617290369] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:04,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:04,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-17 04:43:04,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033911805] [2024-11-17 04:43:04,036 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:04,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:43:04,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:04,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:43:04,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:43:04,038 INFO L87 Difference]: Start difference. First operand 159 states and 192 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:43:04,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:04,228 INFO L93 Difference]: Finished difference Result 215 states and 258 transitions. [2024-11-17 04:43:04,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:43:04,228 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 40 [2024-11-17 04:43:04,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:04,231 INFO L225 Difference]: With dead ends: 215 [2024-11-17 04:43:04,231 INFO L226 Difference]: Without dead ends: 212 [2024-11-17 04:43:04,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:43:04,232 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 85 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:04,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 115 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:43:04,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-17 04:43:04,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 203. [2024-11-17 04:43:04,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 178 states have (on average 1.2808988764044944) internal successors, (228), 190 states have internal predecessors, (228), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:43:04,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 248 transitions. [2024-11-17 04:43:04,244 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 248 transitions. Word has length 40 [2024-11-17 04:43:04,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:04,244 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 248 transitions. [2024-11-17 04:43:04,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:43:04,244 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 248 transitions. [2024-11-17 04:43:04,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-17 04:43:04,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:04,246 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:04,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:04,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:04,447 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:04,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:04,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1709471164, now seen corresponding path program 1 times [2024-11-17 04:43:04,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:04,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39751603] [2024-11-17 04:43:04,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:04,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:04,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:04,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:04,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:04,542 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:43:04,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:04,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39751603] [2024-11-17 04:43:04,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39751603] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:04,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381998513] [2024-11-17 04:43:04,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:04,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:04,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:04,546 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:04,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:43:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:04,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:43:04,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:04,702 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:43:04,703 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:43:04,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381998513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:04,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:04,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-17 04:43:04,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827760353] [2024-11-17 04:43:04,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:04,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:43:04,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:04,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:43:04,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:43:04,705 INFO L87 Difference]: Start difference. First operand 203 states and 248 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:43:04,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:04,886 INFO L93 Difference]: Finished difference Result 205 states and 250 transitions. [2024-11-17 04:43:04,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:43:04,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 41 [2024-11-17 04:43:04,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:04,889 INFO L225 Difference]: With dead ends: 205 [2024-11-17 04:43:04,890 INFO L226 Difference]: Without dead ends: 203 [2024-11-17 04:43:04,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:43:04,891 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 28 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:04,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 74 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:43:04,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-17 04:43:04,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 198. [2024-11-17 04:43:04,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 175 states have (on average 1.2685714285714285) internal successors, (222), 185 states have internal predecessors, (222), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:43:04,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 242 transitions. [2024-11-17 04:43:04,901 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 242 transitions. Word has length 41 [2024-11-17 04:43:04,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:04,902 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 242 transitions. [2024-11-17 04:43:04,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:43:04,902 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 242 transitions. [2024-11-17 04:43:04,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-17 04:43:04,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:04,907 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:04,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:05,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:05,108 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:05,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:05,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1453998517, now seen corresponding path program 1 times [2024-11-17 04:43:05,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:05,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665309949] [2024-11-17 04:43:05,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:05,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:05,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:05,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:05,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:05,211 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:43:05,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:05,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665309949] [2024-11-17 04:43:05,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665309949] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:05,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742321764] [2024-11-17 04:43:05,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:05,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:05,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:05,214 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:05,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 04:43:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:05,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:43:05,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:05,362 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:43:05,378 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:05,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742321764] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:05,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:43:05,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2024-11-17 04:43:05,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005697220] [2024-11-17 04:43:05,505 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:05,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:43:05,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:05,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:43:05,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:43:05,506 INFO L87 Difference]: Start difference. First operand 198 states and 242 transitions. Second operand has 9 states, 8 states have (on average 7.625) internal successors, (61), 9 states have internal predecessors, (61), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:43:05,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:05,797 INFO L93 Difference]: Finished difference Result 206 states and 246 transitions. [2024-11-17 04:43:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:43:05,798 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.625) internal successors, (61), 9 states have internal predecessors, (61), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 42 [2024-11-17 04:43:05,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:05,799 INFO L225 Difference]: With dead ends: 206 [2024-11-17 04:43:05,799 INFO L226 Difference]: Without dead ends: 198 [2024-11-17 04:43:05,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:43:05,800 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 28 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:05,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 177 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:43:05,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-17 04:43:05,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2024-11-17 04:43:05,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 175 states have (on average 1.2457142857142858) internal successors, (218), 185 states have internal predecessors, (218), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:43:05,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 238 transitions. [2024-11-17 04:43:05,815 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 238 transitions. Word has length 42 [2024-11-17 04:43:05,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:05,816 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 238 transitions. [2024-11-17 04:43:05,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.625) internal successors, (61), 9 states have internal predecessors, (61), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:43:05,816 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 238 transitions. [2024-11-17 04:43:05,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-17 04:43:05,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:05,818 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:05,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 04:43:06,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-17 04:43:06,019 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:06,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:06,019 INFO L85 PathProgramCache]: Analyzing trace with hash -869266109, now seen corresponding path program 1 times [2024-11-17 04:43:06,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:06,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419644298] [2024-11-17 04:43:06,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:06,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:06,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:06,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:06,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:06,267 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:43:06,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:06,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419644298] [2024-11-17 04:43:06,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419644298] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:06,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813950422] [2024-11-17 04:43:06,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:06,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:06,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:06,274 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:06,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 04:43:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:06,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:43:06,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:06,445 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:43:06,446 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:06,798 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:43:06,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813950422] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:06,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:06,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2024-11-17 04:43:06,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196765956] [2024-11-17 04:43:06,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:06,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-17 04:43:06,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:06,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-17 04:43:06,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:43:06,801 INFO L87 Difference]: Start difference. First operand 198 states and 238 transitions. Second operand has 17 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:43:07,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:07,231 INFO L93 Difference]: Finished difference Result 201 states and 240 transitions. [2024-11-17 04:43:07,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:43:07,231 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 43 [2024-11-17 04:43:07,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:07,233 INFO L225 Difference]: With dead ends: 201 [2024-11-17 04:43:07,233 INFO L226 Difference]: Without dead ends: 198 [2024-11-17 04:43:07,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 78 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:43:07,234 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 190 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:07,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 160 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:43:07,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-17 04:43:07,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 162. [2024-11-17 04:43:07,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 143 states have (on average 1.2027972027972027) internal successors, (172), 150 states have internal predecessors, (172), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:43:07,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 190 transitions. [2024-11-17 04:43:07,244 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 190 transitions. Word has length 43 [2024-11-17 04:43:07,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:07,244 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 190 transitions. [2024-11-17 04:43:07,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:43:07,245 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 190 transitions. [2024-11-17 04:43:07,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-17 04:43:07,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:07,245 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:07,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 04:43:07,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-17 04:43:07,446 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:07,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:07,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1177445592, now seen corresponding path program 1 times [2024-11-17 04:43:07,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:07,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638800250] [2024-11-17 04:43:07,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:07,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:07,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1225594153] [2024-11-17 04:43:07,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:07,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:07,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:07,459 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:07,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 04:43:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:07,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 04:43:07,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:07,707 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:43:07,707 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:07,871 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:43:07,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:07,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638800250] [2024-11-17 04:43:07,871 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:07,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225594153] [2024-11-17 04:43:07,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225594153] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:07,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:43:07,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-17 04:43:07,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166687030] [2024-11-17 04:43:07,872 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:07,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:43:07,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:07,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:43:07,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:43:07,873 INFO L87 Difference]: Start difference. First operand 162 states and 190 transitions. Second operand has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:43:08,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:08,312 INFO L93 Difference]: Finished difference Result 261 states and 305 transitions. [2024-11-17 04:43:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:43:08,313 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 44 [2024-11-17 04:43:08,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:08,314 INFO L225 Difference]: With dead ends: 261 [2024-11-17 04:43:08,314 INFO L226 Difference]: Without dead ends: 180 [2024-11-17 04:43:08,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-11-17 04:43:08,316 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 98 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:08,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 126 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:43:08,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-17 04:43:08,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2024-11-17 04:43:08,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 161 states have (on average 1.1428571428571428) internal successors, (184), 167 states have internal predecessors, (184), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:43:08,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 204 transitions. [2024-11-17 04:43:08,328 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 204 transitions. Word has length 44 [2024-11-17 04:43:08,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:08,328 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 204 transitions. [2024-11-17 04:43:08,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:43:08,328 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 204 transitions. [2024-11-17 04:43:08,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-17 04:43:08,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:08,329 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:08,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:08,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-17 04:43:08,534 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:08,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:08,534 INFO L85 PathProgramCache]: Analyzing trace with hash 290726331, now seen corresponding path program 2 times [2024-11-17 04:43:08,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:08,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521708829] [2024-11-17 04:43:08,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:08,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:08,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [805857703] [2024-11-17 04:43:08,559 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:43:08,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:08,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:08,564 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:08,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 04:43:08,612 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:43:08,612 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:08,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:43:08,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:08,761 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 04:43:08,762 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:09,087 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 04:43:09,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:09,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521708829] [2024-11-17 04:43:09,087 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:09,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805857703] [2024-11-17 04:43:09,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805857703] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:09,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:43:09,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-17 04:43:09,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533759073] [2024-11-17 04:43:09,088 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:09,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:43:09,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:09,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:43:09,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:43:09,089 INFO L87 Difference]: Start difference. First operand 180 states and 204 transitions. Second operand has 10 states, 9 states have (on average 10.0) internal successors, (90), 10 states have internal predecessors, (90), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:09,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:09,893 INFO L93 Difference]: Finished difference Result 377 states and 438 transitions. [2024-11-17 04:43:09,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:43:09,893 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.0) internal successors, (90), 10 states have internal predecessors, (90), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 63 [2024-11-17 04:43:09,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:09,895 INFO L225 Difference]: With dead ends: 377 [2024-11-17 04:43:09,895 INFO L226 Difference]: Without dead ends: 374 [2024-11-17 04:43:09,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:43:09,896 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 162 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:09,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 279 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:43:09,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-17 04:43:09,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 349. [2024-11-17 04:43:09,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 323 states have (on average 1.1455108359133126) internal successors, (370), 328 states have internal predecessors, (370), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-17 04:43:09,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 406 transitions. [2024-11-17 04:43:09,914 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 406 transitions. Word has length 63 [2024-11-17 04:43:09,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:09,914 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 406 transitions. [2024-11-17 04:43:09,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.0) internal successors, (90), 10 states have internal predecessors, (90), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:09,915 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 406 transitions. [2024-11-17 04:43:09,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-17 04:43:09,915 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:09,916 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:09,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:10,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-17 04:43:10,120 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:10,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:10,120 INFO L85 PathProgramCache]: Analyzing trace with hash 2124720121, now seen corresponding path program 2 times [2024-11-17 04:43:10,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:10,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104152397] [2024-11-17 04:43:10,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:10,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:10,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:10,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:10,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:10,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:43:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:10,299 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-17 04:43:10,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:10,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104152397] [2024-11-17 04:43:10,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104152397] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:10,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193459862] [2024-11-17 04:43:10,300 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:43:10,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:10,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:10,302 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:10,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 04:43:10,344 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:43:10,345 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:10,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:43:10,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:10,508 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 04:43:10,509 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:10,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193459862] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:10,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:43:10,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 10 [2024-11-17 04:43:10,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116864683] [2024-11-17 04:43:10,605 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:10,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:43:10,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:10,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:43:10,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:43:10,606 INFO L87 Difference]: Start difference. First operand 349 states and 406 transitions. Second operand has 11 states, 10 states have (on average 9.7) internal successors, (97), 11 states have internal predecessors, (97), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:10,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:10,815 INFO L93 Difference]: Finished difference Result 377 states and 436 transitions. [2024-11-17 04:43:10,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:43:10,816 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 9.7) internal successors, (97), 11 states have internal predecessors, (97), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 65 [2024-11-17 04:43:10,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:10,817 INFO L225 Difference]: With dead ends: 377 [2024-11-17 04:43:10,818 INFO L226 Difference]: Without dead ends: 369 [2024-11-17 04:43:10,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:43:10,819 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 28 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:10,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 164 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:43:10,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-17 04:43:10,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 368. [2024-11-17 04:43:10,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 341 states have (on average 1.1407624633431086) internal successors, (389), 346 states have internal predecessors, (389), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-17 04:43:10,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 427 transitions. [2024-11-17 04:43:10,837 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 427 transitions. Word has length 65 [2024-11-17 04:43:10,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:10,837 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 427 transitions. [2024-11-17 04:43:10,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.7) internal successors, (97), 11 states have internal predecessors, (97), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:10,838 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 427 transitions. [2024-11-17 04:43:10,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-17 04:43:10,838 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:10,839 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-17 04:43:10,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-17 04:43:11,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-17 04:43:11,040 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:11,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:11,040 INFO L85 PathProgramCache]: Analyzing trace with hash 420117867, now seen corresponding path program 1 times [2024-11-17 04:43:11,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:11,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399431872] [2024-11-17 04:43:11,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:11,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:11,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:11,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:11,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:11,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:43:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:11,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:43:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:11,185 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 47 proven. 13 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-17 04:43:11,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:11,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399431872] [2024-11-17 04:43:11,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399431872] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:11,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895085993] [2024-11-17 04:43:11,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:11,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:11,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:11,188 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:11,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 04:43:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:11,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:43:11,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:11,358 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 47 proven. 13 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-17 04:43:11,358 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:11,453 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 18 proven. 42 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-17 04:43:11,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895085993] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:11,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:11,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-11-17 04:43:11,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12836646] [2024-11-17 04:43:11,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:11,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:43:11,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:11,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:43:11,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:43:11,457 INFO L87 Difference]: Start difference. First operand 368 states and 427 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:11,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:11,550 INFO L93 Difference]: Finished difference Result 505 states and 576 transitions. [2024-11-17 04:43:11,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:43:11,550 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 88 [2024-11-17 04:43:11,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:11,554 INFO L225 Difference]: With dead ends: 505 [2024-11-17 04:43:11,554 INFO L226 Difference]: Without dead ends: 340 [2024-11-17 04:43:11,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:43:11,558 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 9 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:11,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 154 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:11,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-17 04:43:11,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 336. [2024-11-17 04:43:11,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 311 states have (on average 1.1028938906752412) internal successors, (343), 316 states have internal predecessors, (343), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-17 04:43:11,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 377 transitions. [2024-11-17 04:43:11,576 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 377 transitions. Word has length 88 [2024-11-17 04:43:11,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:11,577 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 377 transitions. [2024-11-17 04:43:11,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:11,577 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 377 transitions. [2024-11-17 04:43:11,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-17 04:43:11,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:11,580 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-17 04:43:11,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-17 04:43:11,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 04:43:11,781 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:11,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:11,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1435762156, now seen corresponding path program 2 times [2024-11-17 04:43:11,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:11,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52577386] [2024-11-17 04:43:11,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:11,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:11,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:11,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:11,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:11,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:43:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:11,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:43:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:11,943 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-17 04:43:11,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:11,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52577386] [2024-11-17 04:43:11,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52577386] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:11,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281007367] [2024-11-17 04:43:11,944 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:43:11,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:11,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:11,946 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:11,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-17 04:43:11,992 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:43:11,992 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:11,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:43:11,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:12,085 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-17 04:43:12,086 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:12,284 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-17 04:43:12,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281007367] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:12,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:12,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2024-11-17 04:43:12,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457642139] [2024-11-17 04:43:12,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:12,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-17 04:43:12,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:12,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-17 04:43:12,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:43:12,286 INFO L87 Difference]: Start difference. First operand 336 states and 377 transitions. Second operand has 15 states, 14 states have (on average 9.642857142857142) internal successors, (135), 15 states have internal predecessors, (135), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-17 04:43:12,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:12,892 INFO L93 Difference]: Finished difference Result 769 states and 876 transitions. [2024-11-17 04:43:12,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-17 04:43:12,893 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.642857142857142) internal successors, (135), 15 states have internal predecessors, (135), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 88 [2024-11-17 04:43:12,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:12,896 INFO L225 Difference]: With dead ends: 769 [2024-11-17 04:43:12,896 INFO L226 Difference]: Without dead ends: 755 [2024-11-17 04:43:12,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=258, Invalid=612, Unknown=0, NotChecked=0, Total=870 [2024-11-17 04:43:12,897 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 156 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:12,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 217 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:43:12,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2024-11-17 04:43:12,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 657. [2024-11-17 04:43:12,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 619 states have (on average 1.098546042003231) internal successors, (680), 623 states have internal predecessors, (680), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-17 04:43:12,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 742 transitions. [2024-11-17 04:43:12,930 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 742 transitions. Word has length 88 [2024-11-17 04:43:12,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:12,931 INFO L471 AbstractCegarLoop]: Abstraction has 657 states and 742 transitions. [2024-11-17 04:43:12,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.642857142857142) internal successors, (135), 15 states have internal predecessors, (135), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-17 04:43:12,931 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 742 transitions. [2024-11-17 04:43:12,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-17 04:43:12,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:12,933 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2024-11-17 04:43:12,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-17 04:43:13,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:13,138 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:13,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:13,138 INFO L85 PathProgramCache]: Analyzing trace with hash -904451391, now seen corresponding path program 1 times [2024-11-17 04:43:13,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:13,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050016190] [2024-11-17 04:43:13,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:13,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:43:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:43:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:43:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,214 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 56 proven. 12 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-17 04:43:13,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:13,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050016190] [2024-11-17 04:43:13,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050016190] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:13,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656198524] [2024-11-17 04:43:13,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:13,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:13,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:13,216 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:13,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-17 04:43:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:43:13,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:13,305 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 56 proven. 12 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-17 04:43:13,306 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:13,369 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 56 proven. 12 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-17 04:43:13,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656198524] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:13,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:13,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-17 04:43:13,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340842789] [2024-11-17 04:43:13,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:13,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:43:13,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:13,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:43:13,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:43:13,372 INFO L87 Difference]: Start difference. First operand 657 states and 742 transitions. Second operand has 7 states, 6 states have (on average 19.166666666666668) internal successors, (115), 7 states have internal predecessors, (115), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-17 04:43:13,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:13,465 INFO L93 Difference]: Finished difference Result 815 states and 929 transitions. [2024-11-17 04:43:13,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:43:13,465 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.166666666666668) internal successors, (115), 7 states have internal predecessors, (115), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 98 [2024-11-17 04:43:13,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:13,468 INFO L225 Difference]: With dead ends: 815 [2024-11-17 04:43:13,468 INFO L226 Difference]: Without dead ends: 813 [2024-11-17 04:43:13,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:43:13,469 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 13 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:13,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 118 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:13,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2024-11-17 04:43:13,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 813. [2024-11-17 04:43:13,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 813 states, 769 states have (on average 1.0676202860858257) internal successors, (821), 772 states have internal predecessors, (821), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-17 04:43:13,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 897 transitions. [2024-11-17 04:43:13,506 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 897 transitions. Word has length 98 [2024-11-17 04:43:13,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:13,507 INFO L471 AbstractCegarLoop]: Abstraction has 813 states and 897 transitions. [2024-11-17 04:43:13,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.166666666666668) internal successors, (115), 7 states have internal predecessors, (115), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-17 04:43:13,507 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 897 transitions. [2024-11-17 04:43:13,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-17 04:43:13,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:13,509 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:13,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-17 04:43:13,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:13,710 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:13,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:13,711 INFO L85 PathProgramCache]: Analyzing trace with hash -384952479, now seen corresponding path program 1 times [2024-11-17 04:43:13,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:13,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073971644] [2024-11-17 04:43:13,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:13,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:43:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:43:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:43:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,825 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:43:13,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:13,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073971644] [2024-11-17 04:43:13,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073971644] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:13,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979074650] [2024-11-17 04:43:13,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:13,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:13,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:13,828 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:13,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-17 04:43:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:43:13,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:13,961 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:43:13,962 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:14,081 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:43:14,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979074650] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:14,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:14,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-17 04:43:14,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418605820] [2024-11-17 04:43:14,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:14,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:43:14,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:14,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:43:14,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:43:14,085 INFO L87 Difference]: Start difference. First operand 813 states and 897 transitions. Second operand has 11 states, 10 states have (on average 16.2) internal successors, (162), 11 states have internal predecessors, (162), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-17 04:43:14,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:14,258 INFO L93 Difference]: Finished difference Result 1508 states and 1697 transitions. [2024-11-17 04:43:14,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:43:14,259 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 16.2) internal successors, (162), 11 states have internal predecessors, (162), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 101 [2024-11-17 04:43:14,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:14,267 INFO L225 Difference]: With dead ends: 1508 [2024-11-17 04:43:14,267 INFO L226 Difference]: Without dead ends: 1507 [2024-11-17 04:43:14,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:43:14,269 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 141 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:14,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 206 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:14,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1507 states. [2024-11-17 04:43:14,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1507 to 1499. [2024-11-17 04:43:14,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1499 states, 1419 states have (on average 1.0817477096546864) internal successors, (1535), 1422 states have internal predecessors, (1535), 74 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-17 04:43:14,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1499 states and 1683 transitions. [2024-11-17 04:43:14,346 INFO L78 Accepts]: Start accepts. Automaton has 1499 states and 1683 transitions. Word has length 101 [2024-11-17 04:43:14,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:14,347 INFO L471 AbstractCegarLoop]: Abstraction has 1499 states and 1683 transitions. [2024-11-17 04:43:14,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 16.2) internal successors, (162), 11 states have internal predecessors, (162), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-17 04:43:14,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 1683 transitions. [2024-11-17 04:43:14,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-17 04:43:14,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:14,349 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:14,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-17 04:43:14,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:14,549 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:14,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:14,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1696751430, now seen corresponding path program 1 times [2024-11-17 04:43:14,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:14,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345755256] [2024-11-17 04:43:14,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:14,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:14,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:14,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:14,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:14,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:43:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:14,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:43:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:14,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:43:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:14,678 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 76 proven. 26 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-17 04:43:14,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:14,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345755256] [2024-11-17 04:43:14,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345755256] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:14,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893762382] [2024-11-17 04:43:14,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:14,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:14,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:14,681 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:14,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-17 04:43:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:14,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:43:14,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:14,829 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 88 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-17 04:43:14,830 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:14,924 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 76 proven. 26 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-17 04:43:14,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893762382] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:14,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:14,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-17 04:43:14,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594998707] [2024-11-17 04:43:14,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:14,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:43:14,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:14,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:43:14,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:43:14,927 INFO L87 Difference]: Start difference. First operand 1499 states and 1683 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2024-11-17 04:43:15,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:15,120 INFO L93 Difference]: Finished difference Result 1575 states and 1762 transitions. [2024-11-17 04:43:15,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:43:15,120 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) Word has length 109 [2024-11-17 04:43:15,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:15,126 INFO L225 Difference]: With dead ends: 1575 [2024-11-17 04:43:15,126 INFO L226 Difference]: Without dead ends: 1424 [2024-11-17 04:43:15,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 224 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:43:15,128 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 35 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:15,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 260 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:15,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2024-11-17 04:43:15,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1422. [2024-11-17 04:43:15,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1422 states, 1345 states have (on average 1.0728624535315985) internal successors, (1443), 1348 states have internal predecessors, (1443), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-17 04:43:15,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1422 states and 1585 transitions. [2024-11-17 04:43:15,187 INFO L78 Accepts]: Start accepts. Automaton has 1422 states and 1585 transitions. Word has length 109 [2024-11-17 04:43:15,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:15,188 INFO L471 AbstractCegarLoop]: Abstraction has 1422 states and 1585 transitions. [2024-11-17 04:43:15,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2024-11-17 04:43:15,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1585 transitions. [2024-11-17 04:43:15,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-17 04:43:15,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:15,189 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:15,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:15,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:15,394 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:15,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:15,394 INFO L85 PathProgramCache]: Analyzing trace with hash 689960014, now seen corresponding path program 1 times [2024-11-17 04:43:15,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:15,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947385655] [2024-11-17 04:43:15,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:15,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:15,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:15,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:15,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:15,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:43:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:15,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:43:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:15,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:43:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:15,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-17 04:43:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:15,522 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-17 04:43:15,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:15,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947385655] [2024-11-17 04:43:15,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947385655] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:15,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144274980] [2024-11-17 04:43:15,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:15,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:15,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:15,525 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:15,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-17 04:43:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:15,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:43:15,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:15,704 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-17 04:43:15,705 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:15,866 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-17 04:43:15,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144274980] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:15,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:15,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-17 04:43:15,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694544585] [2024-11-17 04:43:15,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:15,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:43:15,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:15,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:43:15,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:43:15,868 INFO L87 Difference]: Start difference. First operand 1422 states and 1585 transitions. Second operand has 13 states, 12 states have (on average 16.0) internal successors, (192), 13 states have internal predecessors, (192), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2024-11-17 04:43:16,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:16,090 INFO L93 Difference]: Finished difference Result 2499 states and 2889 transitions. [2024-11-17 04:43:16,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:43:16,090 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 16.0) internal successors, (192), 13 states have internal predecessors, (192), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) Word has length 121 [2024-11-17 04:43:16,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:16,100 INFO L225 Difference]: With dead ends: 2499 [2024-11-17 04:43:16,100 INFO L226 Difference]: Without dead ends: 2498 [2024-11-17 04:43:16,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:43:16,103 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 31 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:16,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 143 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:16,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2024-11-17 04:43:16,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2498. [2024-11-17 04:43:16,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2498 states, 2363 states have (on average 1.0880236986881084) internal successors, (2571), 2366 states have internal predecessors, (2571), 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) [2024-11-17 04:43:16,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2498 states and 2829 transitions. [2024-11-17 04:43:16,246 INFO L78 Accepts]: Start accepts. Automaton has 2498 states and 2829 transitions. Word has length 121 [2024-11-17 04:43:16,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:16,247 INFO L471 AbstractCegarLoop]: Abstraction has 2498 states and 2829 transitions. [2024-11-17 04:43:16,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 16.0) internal successors, (192), 13 states have internal predecessors, (192), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2024-11-17 04:43:16,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states and 2829 transitions. [2024-11-17 04:43:16,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-17 04:43:16,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:16,249 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:16,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:16,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:16,450 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:16,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:16,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1322449067, now seen corresponding path program 2 times [2024-11-17 04:43:16,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:16,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549960743] [2024-11-17 04:43:16,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:16,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:16,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:16,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:16,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:16,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:43:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:16,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:43:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:16,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:43:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:16,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-17 04:43:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:16,604 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 58 proven. 116 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-17 04:43:16,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:16,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549960743] [2024-11-17 04:43:16,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549960743] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:16,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268214967] [2024-11-17 04:43:16,605 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:43:16,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:16,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:16,607 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:16,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-17 04:43:16,664 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:43:16,664 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:16,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:43:16,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:16,840 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 71 proven. 103 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-17 04:43:16,840 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:17,002 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 71 proven. 103 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-17 04:43:17,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268214967] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:17,003 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:17,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2024-11-17 04:43:17,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130464316] [2024-11-17 04:43:17,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:17,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:43:17,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:17,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:43:17,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:43:17,005 INFO L87 Difference]: Start difference. First operand 2498 states and 2829 transitions. Second operand has 12 states, 12 states have (on average 14.333333333333334) internal successors, (172), 12 states have internal predecessors, (172), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-17 04:43:17,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:17,568 INFO L93 Difference]: Finished difference Result 5395 states and 6164 transitions. [2024-11-17 04:43:17,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:43:17,569 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.333333333333334) internal successors, (172), 12 states have internal predecessors, (172), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 132 [2024-11-17 04:43:17,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:17,583 INFO L225 Difference]: With dead ends: 5395 [2024-11-17 04:43:17,584 INFO L226 Difference]: Without dead ends: 3898 [2024-11-17 04:43:17,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 269 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:43:17,588 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 35 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:17,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 452 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:43:17,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3898 states. [2024-11-17 04:43:17,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3898 to 2718. [2024-11-17 04:43:17,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2571 states have (on average 1.0840140023337224) internal successors, (2787), 2574 states have internal predecessors, (2787), 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) [2024-11-17 04:43:17,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3069 transitions. [2024-11-17 04:43:17,722 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3069 transitions. Word has length 132 [2024-11-17 04:43:17,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:17,722 INFO L471 AbstractCegarLoop]: Abstraction has 2718 states and 3069 transitions. [2024-11-17 04:43:17,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.333333333333334) internal successors, (172), 12 states have internal predecessors, (172), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-17 04:43:17,723 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3069 transitions. [2024-11-17 04:43:17,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-17 04:43:17,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:17,727 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:17,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-17 04:43:17,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:17,928 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:17,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:17,929 INFO L85 PathProgramCache]: Analyzing trace with hash 300581755, now seen corresponding path program 3 times [2024-11-17 04:43:17,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:17,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872210908] [2024-11-17 04:43:17,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:17,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:17,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1725525733] [2024-11-17 04:43:17,953 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:43:17,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:17,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:17,955 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:17,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-17 04:43:18,013 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-17 04:43:18,013 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:18,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:43:18,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:18,076 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 124 proven. 7 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-17 04:43:18,076 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:18,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:18,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872210908] [2024-11-17 04:43:18,432 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:18,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725525733] [2024-11-17 04:43:18,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725525733] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:18,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:18,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-17 04:43:18,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824049951] [2024-11-17 04:43:18,433 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:18,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:43:18,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:18,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:43:18,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:43:18,434 INFO L87 Difference]: Start difference. First operand 2718 states and 3069 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:43:18,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:18,586 INFO L93 Difference]: Finished difference Result 2720 states and 3069 transitions. [2024-11-17 04:43:18,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:43:18,587 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 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 155 [2024-11-17 04:43:18,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:18,598 INFO L225 Difference]: With dead ends: 2720 [2024-11-17 04:43:18,599 INFO L226 Difference]: Without dead ends: 2719 [2024-11-17 04:43:18,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:43:18,601 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 23 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:18,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 95 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:18,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2719 states. [2024-11-17 04:43:18,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2719 to 2718. [2024-11-17 04:43:18,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2571 states have (on average 1.0828471411901983) internal successors, (2784), 2574 states have internal predecessors, (2784), 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) [2024-11-17 04:43:18,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3066 transitions. [2024-11-17 04:43:18,729 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3066 transitions. Word has length 155 [2024-11-17 04:43:18,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:18,729 INFO L471 AbstractCegarLoop]: Abstraction has 2718 states and 3066 transitions. [2024-11-17 04:43:18,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:43:18,730 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3066 transitions. [2024-11-17 04:43:18,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-17 04:43:18,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:18,732 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:18,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-17 04:43:18,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-17 04:43:18,937 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:18,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:18,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1454772696, now seen corresponding path program 3 times [2024-11-17 04:43:18,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:18,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491205129] [2024-11-17 04:43:18,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:18,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:18,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1616029819] [2024-11-17 04:43:18,960 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:43:18,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:18,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:18,962 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:18,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-17 04:43:19,019 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-17 04:43:19,019 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:19,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:43:19,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:19,279 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 229 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-17 04:43:19,279 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:19,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:19,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491205129] [2024-11-17 04:43:19,627 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:19,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616029819] [2024-11-17 04:43:19,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616029819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:19,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:19,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:43:19,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851872322] [2024-11-17 04:43:19,628 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:19,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:43:19,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:19,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:43:19,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:43:19,629 INFO L87 Difference]: Start difference. First operand 2718 states and 3066 transitions. Second operand has 8 states, 7 states have (on average 14.142857142857142) internal successors, (99), 8 states have internal predecessors, (99), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:19,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:19,982 INFO L93 Difference]: Finished difference Result 4350 states and 4934 transitions. [2024-11-17 04:43:19,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-17 04:43:19,983 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.142857142857142) internal successors, (99), 8 states have internal predecessors, (99), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 155 [2024-11-17 04:43:19,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:19,993 INFO L225 Difference]: With dead ends: 4350 [2024-11-17 04:43:19,993 INFO L226 Difference]: Without dead ends: 2671 [2024-11-17 04:43:19,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2024-11-17 04:43:19,998 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 141 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:19,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 210 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:43:20,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2671 states. [2024-11-17 04:43:20,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2671 to 2495. [2024-11-17 04:43:20,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2495 states, 2358 states have (on average 1.0826972010178118) internal successors, (2553), 2361 states have internal predecessors, (2553), 131 states have call successors, (131), 2 states have call predecessors, (131), 2 states have return successors, (131), 131 states have call predecessors, (131), 131 states have call successors, (131) [2024-11-17 04:43:20,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 2815 transitions. [2024-11-17 04:43:20,115 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 2815 transitions. Word has length 155 [2024-11-17 04:43:20,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:20,115 INFO L471 AbstractCegarLoop]: Abstraction has 2495 states and 2815 transitions. [2024-11-17 04:43:20,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.142857142857142) internal successors, (99), 8 states have internal predecessors, (99), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:20,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 2815 transitions. [2024-11-17 04:43:20,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-17 04:43:20,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:20,119 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:20,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:20,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-17 04:43:20,320 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:20,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:20,320 INFO L85 PathProgramCache]: Analyzing trace with hash -226904197, now seen corresponding path program 4 times [2024-11-17 04:43:20,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:20,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106710517] [2024-11-17 04:43:20,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:20,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:20,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [530675870] [2024-11-17 04:43:20,343 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 04:43:20,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:20,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:20,345 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:20,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-17 04:43:20,423 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 04:43:20,424 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:20,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-17 04:43:20,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:20,985 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 12 proven. 264 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-17 04:43:20,985 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:21,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:21,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106710517] [2024-11-17 04:43:21,296 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:21,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530675870] [2024-11-17 04:43:21,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530675870] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:21,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:21,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-11-17 04:43:21,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175712837] [2024-11-17 04:43:21,297 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:21,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-17 04:43:21,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:21,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-17 04:43:21,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420 [2024-11-17 04:43:21,298 INFO L87 Difference]: Start difference. First operand 2495 states and 2815 transitions. Second operand has 18 states, 17 states have (on average 7.294117647058823) internal successors, (124), 18 states have internal predecessors, (124), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-17 04:43:22,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:22,022 INFO L93 Difference]: Finished difference Result 2848 states and 3219 transitions. [2024-11-17 04:43:22,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-17 04:43:22,023 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 7.294117647058823) internal successors, (124), 18 states have internal predecessors, (124), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 155 [2024-11-17 04:43:22,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:22,033 INFO L225 Difference]: With dead ends: 2848 [2024-11-17 04:43:22,033 INFO L226 Difference]: Without dead ends: 2847 [2024-11-17 04:43:22,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2024-11-17 04:43:22,034 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 72 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 1425 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 1429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:22,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 548 Invalid, 1429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1425 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:43:22,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2847 states. [2024-11-17 04:43:22,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2847 to 2644. [2024-11-17 04:43:22,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2644 states, 2499 states have (on average 1.084033613445378) internal successors, (2709), 2502 states have internal predecessors, (2709), 139 states have call successors, (139), 2 states have call predecessors, (139), 2 states have return successors, (139), 139 states have call predecessors, (139), 139 states have call successors, (139) [2024-11-17 04:43:22,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 2644 states and 2987 transitions. [2024-11-17 04:43:22,167 INFO L78 Accepts]: Start accepts. Automaton has 2644 states and 2987 transitions. Word has length 155 [2024-11-17 04:43:22,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:22,168 INFO L471 AbstractCegarLoop]: Abstraction has 2644 states and 2987 transitions. [2024-11-17 04:43:22,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 7.294117647058823) internal successors, (124), 18 states have internal predecessors, (124), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-17 04:43:22,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2644 states and 2987 transitions. [2024-11-17 04:43:22,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-17 04:43:22,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:22,171 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:22,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:22,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-17 04:43:22,375 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:22,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:22,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1390626701, now seen corresponding path program 5 times [2024-11-17 04:43:22,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:22,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880946010] [2024-11-17 04:43:22,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:22,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:22,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:22,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:22,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:22,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:43:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:22,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:43:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:22,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:43:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:22,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-17 04:43:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:22,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-17 04:43:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:22,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 04:43:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:22,653 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 101 proven. 266 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-17 04:43:22,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:22,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880946010] [2024-11-17 04:43:22,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880946010] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:22,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822726913] [2024-11-17 04:43:22,653 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-17 04:43:22,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:22,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:22,655 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:22,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-17 04:43:22,723 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-11-17 04:43:22,724 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:22,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:43:22,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:23,002 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 130 proven. 237 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-17 04:43:23,002 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:23,169 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 130 proven. 237 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-17 04:43:23,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822726913] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:23,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:23,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 15 [2024-11-17 04:43:23,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752243864] [2024-11-17 04:43:23,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:23,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-17 04:43:23,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:23,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-17 04:43:23,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:43:23,171 INFO L87 Difference]: Start difference. First operand 2644 states and 2987 transitions. Second operand has 15 states, 15 states have (on average 15.066666666666666) internal successors, (226), 15 states have internal predecessors, (226), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-17 04:43:23,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:23,596 INFO L93 Difference]: Finished difference Result 5570 states and 6341 transitions. [2024-11-17 04:43:23,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 04:43:23,596 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 15.066666666666666) internal successors, (226), 15 states have internal predecessors, (226), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) Word has length 178 [2024-11-17 04:43:23,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:23,610 INFO L225 Difference]: With dead ends: 5570 [2024-11-17 04:43:23,611 INFO L226 Difference]: Without dead ends: 4104 [2024-11-17 04:43:23,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 362 SyntacticMatches, 7 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-11-17 04:43:23,616 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 35 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:23,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 479 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:43:23,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4104 states. [2024-11-17 04:43:23,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4104 to 3045. [2024-11-17 04:43:23,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3045 states, 2879 states have (on average 1.0798888502952415) internal successors, (3109), 2882 states have internal predecessors, (3109), 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) [2024-11-17 04:43:23,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3045 states to 3045 states and 3429 transitions. [2024-11-17 04:43:23,778 INFO L78 Accepts]: Start accepts. Automaton has 3045 states and 3429 transitions. Word has length 178 [2024-11-17 04:43:23,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:23,779 INFO L471 AbstractCegarLoop]: Abstraction has 3045 states and 3429 transitions. [2024-11-17 04:43:23,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 15.066666666666666) internal successors, (226), 15 states have internal predecessors, (226), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-17 04:43:23,779 INFO L276 IsEmpty]: Start isEmpty. Operand 3045 states and 3429 transitions. [2024-11-17 04:43:23,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-17 04:43:23,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:23,782 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:23,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-17 04:43:23,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:23,983 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:23,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:23,983 INFO L85 PathProgramCache]: Analyzing trace with hash -430639122, now seen corresponding path program 3 times [2024-11-17 04:43:23,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:23,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019846664] [2024-11-17 04:43:23,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:23,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:24,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:24,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:24,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:24,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:43:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:24,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:43:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:24,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:43:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:24,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-17 04:43:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:24,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-17 04:43:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:24,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 04:43:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:24,283 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 18 proven. 369 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-17 04:43:24,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:24,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019846664] [2024-11-17 04:43:24,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019846664] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:24,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774561158] [2024-11-17 04:43:24,284 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:43:24,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:24,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:24,286 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:24,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-17 04:43:24,339 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-17 04:43:24,340 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:24,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-17 04:43:24,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:24,935 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 253 proven. 80 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-17 04:43:24,935 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:29,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774561158] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:29,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:43:29,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16] total 25 [2024-11-17 04:43:29,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152235952] [2024-11-17 04:43:29,721 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:29,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-17 04:43:29,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:29,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-17 04:43:29,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=753, Unknown=1, NotChecked=0, Total=870 [2024-11-17 04:43:29,722 INFO L87 Difference]: Start difference. First operand 3045 states and 3429 transitions. Second operand has 26 states, 25 states have (on average 9.6) internal successors, (240), 26 states have internal predecessors, (240), 11 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (14), 12 states have call predecessors, (14), 11 states have call successors, (14) [2024-11-17 04:43:33,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:33,078 INFO L93 Difference]: Finished difference Result 4698 states and 5302 transitions. [2024-11-17 04:43:33,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-17 04:43:33,079 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 9.6) internal successors, (240), 26 states have internal predecessors, (240), 11 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (14), 12 states have call predecessors, (14), 11 states have call successors, (14) Word has length 180 [2024-11-17 04:43:33,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:33,089 INFO L225 Difference]: With dead ends: 4698 [2024-11-17 04:43:33,089 INFO L226 Difference]: Without dead ends: 3191 [2024-11-17 04:43:33,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2658 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=1387, Invalid=7924, Unknown=1, NotChecked=0, Total=9312 [2024-11-17 04:43:33,095 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 619 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 1592 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 1696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 1592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:33,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 391 Invalid, 1696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 1592 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-17 04:43:33,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3191 states. [2024-11-17 04:43:33,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3191 to 3114. [2024-11-17 04:43:33,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3114 states, 2945 states have (on average 1.0730050933786077) internal successors, (3160), 2948 states have internal predecessors, (3160), 163 states have call successors, (163), 2 states have call predecessors, (163), 2 states have return successors, (163), 163 states have call predecessors, (163), 163 states have call successors, (163) [2024-11-17 04:43:33,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 3486 transitions. [2024-11-17 04:43:33,229 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 3486 transitions. Word has length 180 [2024-11-17 04:43:33,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:33,230 INFO L471 AbstractCegarLoop]: Abstraction has 3114 states and 3486 transitions. [2024-11-17 04:43:33,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 9.6) internal successors, (240), 26 states have internal predecessors, (240), 11 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (14), 12 states have call predecessors, (14), 11 states have call successors, (14) [2024-11-17 04:43:33,230 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 3486 transitions. [2024-11-17 04:43:33,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-17 04:43:33,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:33,233 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:33,250 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-17 04:43:33,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-17 04:43:33,434 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:33,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:33,434 INFO L85 PathProgramCache]: Analyzing trace with hash -34098089, now seen corresponding path program 6 times [2024-11-17 04:43:33,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:33,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667648913] [2024-11-17 04:43:33,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:33,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:33,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [508174127] [2024-11-17 04:43:33,462 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-17 04:43:33,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:33,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:33,464 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:33,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-17 04:43:33,546 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-11-17 04:43:33,546 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:33,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-17 04:43:33,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:34,713 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 6 proven. 466 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-17 04:43:34,713 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:35,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:35,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667648913] [2024-11-17 04:43:35,151 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:35,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508174127] [2024-11-17 04:43:35,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508174127] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:35,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:35,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-17 04:43:35,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677039888] [2024-11-17 04:43:35,152 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:35,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-17 04:43:35,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:35,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-17 04:43:35,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:43:35,153 INFO L87 Difference]: Start difference. First operand 3114 states and 3486 transitions. Second operand has 16 states, 15 states have (on average 9.733333333333333) internal successors, (146), 16 states have internal predecessors, (146), 8 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) [2024-11-17 04:43:36,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:36,385 INFO L93 Difference]: Finished difference Result 3115 states and 3486 transitions. [2024-11-17 04:43:36,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-17 04:43:36,387 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.733333333333333) internal successors, (146), 16 states have internal predecessors, (146), 8 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) Word has length 201 [2024-11-17 04:43:36,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:36,395 INFO L225 Difference]: With dead ends: 3115 [2024-11-17 04:43:36,396 INFO L226 Difference]: Without dead ends: 3114 [2024-11-17 04:43:36,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2024-11-17 04:43:36,397 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 63 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 1325 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 1330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:36,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 551 Invalid, 1330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1325 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 04:43:36,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3114 states. [2024-11-17 04:43:36,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3114 to 3114. [2024-11-17 04:43:36,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3114 states, 2945 states have (on average 1.0726655348047538) internal successors, (3159), 2948 states have internal predecessors, (3159), 163 states have call successors, (163), 2 states have call predecessors, (163), 2 states have return successors, (163), 163 states have call predecessors, (163), 163 states have call successors, (163) [2024-11-17 04:43:36,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 3485 transitions. [2024-11-17 04:43:36,528 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 3485 transitions. Word has length 201 [2024-11-17 04:43:36,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:36,529 INFO L471 AbstractCegarLoop]: Abstraction has 3114 states and 3485 transitions. [2024-11-17 04:43:36,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.733333333333333) internal successors, (146), 16 states have internal predecessors, (146), 8 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) [2024-11-17 04:43:36,529 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 3485 transitions. [2024-11-17 04:43:36,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-17 04:43:36,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:36,532 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:36,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:36,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-17 04:43:36,737 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:36,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:36,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1330760281, now seen corresponding path program 7 times [2024-11-17 04:43:36,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:36,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990589235] [2024-11-17 04:43:36,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:36,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:36,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [450282699] [2024-11-17 04:43:36,760 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-17 04:43:36,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:36,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:36,762 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:36,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-17 04:43:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:36,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-17 04:43:36,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:37,890 INFO L134 CoverageAnalysis]: Checked inductivity of 608 backedges. 21 proven. 492 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-17 04:43:37,890 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:38,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:38,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990589235] [2024-11-17 04:43:38,538 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:38,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450282699] [2024-11-17 04:43:38,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450282699] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:38,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:38,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2024-11-17 04:43:38,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232325710] [2024-11-17 04:43:38,538 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:38,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-17 04:43:38,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:38,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-17 04:43:38,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2024-11-17 04:43:38,540 INFO L87 Difference]: Start difference. First operand 3114 states and 3485 transitions. Second operand has 22 states, 21 states have (on average 7.619047619047619) internal successors, (160), 22 states have internal predecessors, (160), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-17 04:43:40,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:40,233 INFO L93 Difference]: Finished difference Result 4933 states and 5562 transitions. [2024-11-17 04:43:40,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-17 04:43:40,234 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.619047619047619) internal successors, (160), 22 states have internal predecessors, (160), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) Word has length 201 [2024-11-17 04:43:40,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:40,250 INFO L225 Difference]: With dead ends: 4933 [2024-11-17 04:43:40,250 INFO L226 Difference]: Without dead ends: 3335 [2024-11-17 04:43:40,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=122, Invalid=934, Unknown=0, NotChecked=0, Total=1056 [2024-11-17 04:43:40,259 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 107 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 2812 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 2823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:40,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 879 Invalid, 2823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2812 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-17 04:43:40,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3335 states. [2024-11-17 04:43:40,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3335 to 3121. [2024-11-17 04:43:40,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3121 states, 2951 states have (on average 1.0725177905794645) internal successors, (3165), 2954 states have internal predecessors, (3165), 164 states have call successors, (164), 2 states have call predecessors, (164), 2 states have return successors, (164), 164 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-17 04:43:40,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3121 states to 3121 states and 3493 transitions. [2024-11-17 04:43:40,392 INFO L78 Accepts]: Start accepts. Automaton has 3121 states and 3493 transitions. Word has length 201 [2024-11-17 04:43:40,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:40,393 INFO L471 AbstractCegarLoop]: Abstraction has 3121 states and 3493 transitions. [2024-11-17 04:43:40,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.619047619047619) internal successors, (160), 22 states have internal predecessors, (160), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-17 04:43:40,393 INFO L276 IsEmpty]: Start isEmpty. Operand 3121 states and 3493 transitions. [2024-11-17 04:43:40,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-17 04:43:40,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:40,396 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:40,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:40,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:40,597 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:40,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:40,597 INFO L85 PathProgramCache]: Analyzing trace with hash 792066713, now seen corresponding path program 4 times [2024-11-17 04:43:40,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:40,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009547385] [2024-11-17 04:43:40,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:40,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:40,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:40,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:40,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:40,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:43:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:40,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:43:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:40,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:43:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:40,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-17 04:43:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:40,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-17 04:43:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:40,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 04:43:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:40,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-17 04:43:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:40,948 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 18 proven. 511 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-17 04:43:40,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:40,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009547385] [2024-11-17 04:43:40,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009547385] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:40,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626527534] [2024-11-17 04:43:40,949 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 04:43:40,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:40,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:40,951 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:40,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-17 04:43:41,019 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 04:43:41,019 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:41,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 04:43:41,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:41,336 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 21 proven. 508 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-17 04:43:41,337 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:41,827 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 21 proven. 508 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-17 04:43:41,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626527534] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:41,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:41,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2024-11-17 04:43:41,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928392565] [2024-11-17 04:43:41,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:41,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-17 04:43:41,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:41,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-17 04:43:41,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=469, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:43:41,829 INFO L87 Difference]: Start difference. First operand 3121 states and 3493 transitions. Second operand has 26 states, 25 states have (on average 13.32) internal successors, (333), 26 states have internal predecessors, (333), 18 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 18 states have call predecessors, (20), 18 states have call successors, (20) [2024-11-17 04:43:43,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:43,362 INFO L93 Difference]: Finished difference Result 6746 states and 7539 transitions. [2024-11-17 04:43:43,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-17 04:43:43,362 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 13.32) internal successors, (333), 26 states have internal predecessors, (333), 18 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 18 states have call predecessors, (20), 18 states have call successors, (20) Word has length 203 [2024-11-17 04:43:43,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:43,373 INFO L225 Difference]: With dead ends: 6746 [2024-11-17 04:43:43,373 INFO L226 Difference]: Without dead ends: 6745 [2024-11-17 04:43:43,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1103 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1355, Invalid=2935, Unknown=0, NotChecked=0, Total=4290 [2024-11-17 04:43:43,375 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 255 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:43,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 319 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:43:43,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6745 states. [2024-11-17 04:43:43,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6745 to 6528. [2024-11-17 04:43:43,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6528 states, 6202 states have (on average 1.0503063527894227) internal successors, (6514), 6205 states have internal predecessors, (6514), 320 states have call successors, (320), 2 states have call predecessors, (320), 2 states have return successors, (320), 320 states have call predecessors, (320), 320 states have call successors, (320) [2024-11-17 04:43:43,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6528 states to 6528 states and 7154 transitions. [2024-11-17 04:43:43,680 INFO L78 Accepts]: Start accepts. Automaton has 6528 states and 7154 transitions. Word has length 203 [2024-11-17 04:43:43,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:43,681 INFO L471 AbstractCegarLoop]: Abstraction has 6528 states and 7154 transitions. [2024-11-17 04:43:43,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 13.32) internal successors, (333), 26 states have internal predecessors, (333), 18 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 18 states have call predecessors, (20), 18 states have call successors, (20) [2024-11-17 04:43:43,681 INFO L276 IsEmpty]: Start isEmpty. Operand 6528 states and 7154 transitions. [2024-11-17 04:43:43,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-17 04:43:43,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:43,685 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:43,705 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-17 04:43:43,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:43,886 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:43,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:43,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1989913394, now seen corresponding path program 2 times [2024-11-17 04:43:43,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:43,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100352557] [2024-11-17 04:43:43,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:43,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:44,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:44,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:44,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:44,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:43:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:44,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:43:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:44,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:43:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:44,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-17 04:43:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:44,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-17 04:43:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:44,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 04:43:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:44,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-17 04:43:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:44,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-17 04:43:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:44,130 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 652 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-17 04:43:44,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:44,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100352557] [2024-11-17 04:43:44,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100352557] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:44,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581232391] [2024-11-17 04:43:44,133 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:43:44,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:44,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:44,135 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:44,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-17 04:43:44,208 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:43:44,208 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:44,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:43:44,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:44,474 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 652 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-17 04:43:44,474 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:44,848 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 652 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-17 04:43:44,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581232391] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:44,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:44,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-11-17 04:43:44,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064213597] [2024-11-17 04:43:44,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:44,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-17 04:43:44,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:44,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-17 04:43:44,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-17 04:43:44,850 INFO L87 Difference]: Start difference. First operand 6528 states and 7154 transitions. Second operand has 21 states, 20 states have (on average 17.1) internal successors, (342), 21 states have internal predecessors, (342), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-17 04:43:45,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:45,373 INFO L93 Difference]: Finished difference Result 9767 states and 10824 transitions. [2024-11-17 04:43:45,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-17 04:43:45,374 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 17.1) internal successors, (342), 21 states have internal predecessors, (342), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) Word has length 216 [2024-11-17 04:43:45,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:45,396 INFO L225 Difference]: With dead ends: 9767 [2024-11-17 04:43:45,396 INFO L226 Difference]: Without dead ends: 9766 [2024-11-17 04:43:45,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 443 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-17 04:43:45,402 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 373 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:45,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 417 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:43:45,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9766 states. [2024-11-17 04:43:45,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9766 to 9748. [2024-11-17 04:43:45,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9748 states, 9252 states have (on average 1.059662775616083) internal successors, (9804), 9255 states have internal predecessors, (9804), 490 states have call successors, (490), 2 states have call predecessors, (490), 2 states have return successors, (490), 490 states have call predecessors, (490), 490 states have call successors, (490) [2024-11-17 04:43:45,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9748 states to 9748 states and 10784 transitions. [2024-11-17 04:43:45,916 INFO L78 Accepts]: Start accepts. Automaton has 9748 states and 10784 transitions. Word has length 216 [2024-11-17 04:43:45,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:45,917 INFO L471 AbstractCegarLoop]: Abstraction has 9748 states and 10784 transitions. [2024-11-17 04:43:45,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 17.1) internal successors, (342), 21 states have internal predecessors, (342), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-17 04:43:45,918 INFO L276 IsEmpty]: Start isEmpty. Operand 9748 states and 10784 transitions. [2024-11-17 04:43:45,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-17 04:43:45,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:45,921 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:45,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:46,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:46,122 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:46,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:46,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1568695668, now seen corresponding path program 8 times [2024-11-17 04:43:46,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:46,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638580017] [2024-11-17 04:43:46,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:46,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:46,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1350720615] [2024-11-17 04:43:46,149 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:43:46,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:46,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:46,151 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:46,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-17 04:43:46,219 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:43:46,219 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:46,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:43:46,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:46,755 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 522 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2024-11-17 04:43:46,755 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:51,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:51,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638580017] [2024-11-17 04:43:51,542 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:51,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350720615] [2024-11-17 04:43:51,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350720615] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:51,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:51,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-17 04:43:51,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004668641] [2024-11-17 04:43:51,542 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:51,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:43:51,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:51,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:43:51,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=131, Unknown=1, NotChecked=0, Total=182 [2024-11-17 04:43:51,543 INFO L87 Difference]: Start difference. First operand 9748 states and 10784 transitions. Second operand has 9 states, 8 states have (on average 14.625) internal successors, (117), 9 states have internal predecessors, (117), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-17 04:43:52,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:52,149 INFO L93 Difference]: Finished difference Result 11109 states and 12266 transitions. [2024-11-17 04:43:52,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:43:52,149 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.625) internal successors, (117), 9 states have internal predecessors, (117), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 224 [2024-11-17 04:43:52,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:52,174 INFO L225 Difference]: With dead ends: 11109 [2024-11-17 04:43:52,174 INFO L226 Difference]: Without dead ends: 11108 [2024-11-17 04:43:52,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=50, Invalid=131, Unknown=1, NotChecked=0, Total=182 [2024-11-17 04:43:52,177 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 24 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:52,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 437 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:43:52,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11108 states. [2024-11-17 04:43:52,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11108 to 10706. [2024-11-17 04:43:52,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10706 states, 10163 states have (on average 1.057266555151038) internal successors, (10745), 10166 states have internal predecessors, (10745), 537 states have call successors, (537), 2 states have call predecessors, (537), 2 states have return successors, (537), 537 states have call predecessors, (537), 537 states have call successors, (537) [2024-11-17 04:43:52,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10706 states to 10706 states and 11819 transitions. [2024-11-17 04:43:52,741 INFO L78 Accepts]: Start accepts. Automaton has 10706 states and 11819 transitions. Word has length 224 [2024-11-17 04:43:52,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:52,742 INFO L471 AbstractCegarLoop]: Abstraction has 10706 states and 11819 transitions. [2024-11-17 04:43:52,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.625) internal successors, (117), 9 states have internal predecessors, (117), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-17 04:43:52,742 INFO L276 IsEmpty]: Start isEmpty. Operand 10706 states and 11819 transitions. [2024-11-17 04:43:52,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-17 04:43:52,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:52,745 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:52,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:52,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:52,946 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:52,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:52,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1477839595, now seen corresponding path program 9 times [2024-11-17 04:43:52,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:52,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943366422] [2024-11-17 04:43:52,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:52,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:53,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:53,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:53,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:53,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:43:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:53,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:43:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:53,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:43:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:53,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-17 04:43:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:53,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-17 04:43:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:53,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 04:43:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:53,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-17 04:43:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:53,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-17 04:43:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:53,227 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 163 proven. 473 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-17 04:43:53,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:53,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943366422] [2024-11-17 04:43:53,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943366422] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:53,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028536602] [2024-11-17 04:43:53,228 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:43:53,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:53,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:53,231 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:53,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-17 04:43:53,292 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-17 04:43:53,292 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:53,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-17 04:43:53,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:53,847 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 470 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2024-11-17 04:43:53,847 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:54,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028536602] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:54,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:43:54,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 19 [2024-11-17 04:43:54,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884528118] [2024-11-17 04:43:54,282 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:54,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-17 04:43:54,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:54,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-17 04:43:54,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:43:54,284 INFO L87 Difference]: Start difference. First operand 10706 states and 11819 transitions. Second operand has 19 states, 19 states have (on average 14.578947368421053) internal successors, (277), 19 states have internal predecessors, (277), 15 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2024-11-17 04:43:56,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:56,374 INFO L93 Difference]: Finished difference Result 18612 states and 20779 transitions. [2024-11-17 04:43:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-17 04:43:56,374 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 14.578947368421053) internal successors, (277), 19 states have internal predecessors, (277), 15 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) Word has length 224 [2024-11-17 04:43:56,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:56,406 INFO L225 Difference]: With dead ends: 18612 [2024-11-17 04:43:56,406 INFO L226 Difference]: Without dead ends: 14141 [2024-11-17 04:43:56,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=313, Invalid=2039, Unknown=0, NotChecked=0, Total=2352 [2024-11-17 04:43:56,416 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 354 mSDsluCounter, 1083 mSDsCounter, 0 mSdLazyCounter, 2196 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 1218 SdHoareTripleChecker+Invalid, 2223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:56,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 1218 Invalid, 2223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2196 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-17 04:43:56,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14141 states. [2024-11-17 04:43:57,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14141 to 11950. [2024-11-17 04:43:57,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11950 states, 11340 states have (on average 1.053968253968254) internal successors, (11952), 11343 states have internal predecessors, (11952), 604 states have call successors, (604), 2 states have call predecessors, (604), 2 states have return successors, (604), 604 states have call predecessors, (604), 604 states have call successors, (604) [2024-11-17 04:43:57,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11950 states to 11950 states and 13160 transitions. [2024-11-17 04:43:57,039 INFO L78 Accepts]: Start accepts. Automaton has 11950 states and 13160 transitions. Word has length 224 [2024-11-17 04:43:57,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:57,040 INFO L471 AbstractCegarLoop]: Abstraction has 11950 states and 13160 transitions. [2024-11-17 04:43:57,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.578947368421053) internal successors, (277), 19 states have internal predecessors, (277), 15 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2024-11-17 04:43:57,040 INFO L276 IsEmpty]: Start isEmpty. Operand 11950 states and 13160 transitions. [2024-11-17 04:43:57,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-11-17 04:43:57,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:57,044 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:57,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-17 04:43:57,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-17 04:43:57,249 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:57,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:57,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1354313578, now seen corresponding path program 10 times [2024-11-17 04:43:57,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:57,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259487011] [2024-11-17 04:43:57,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:57,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:57,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1415635911] [2024-11-17 04:43:57,281 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 04:43:57,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:57,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:57,283 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:57,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-17 04:43:57,369 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 04:43:57,369 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:57,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-17 04:43:57,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:59,954 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 27 proven. 748 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-17 04:43:59,954 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:00,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:00,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259487011] [2024-11-17 04:44:00,634 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:00,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415635911] [2024-11-17 04:44:00,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415635911] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:00,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:44:00,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2024-11-17 04:44:00,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930042861] [2024-11-17 04:44:00,634 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:00,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-17 04:44:00,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:00,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-17 04:44:00,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=1153, Unknown=0, NotChecked=0, Total=1406 [2024-11-17 04:44:00,636 INFO L87 Difference]: Start difference. First operand 11950 states and 13160 transitions. Second operand has 33 states, 31 states have (on average 6.419354838709677) internal successors, (199), 31 states have internal predecessors, (199), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:44:03,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:03,310 INFO L93 Difference]: Finished difference Result 11951 states and 13160 transitions. [2024-11-17 04:44:03,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-17 04:44:03,311 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 31 states have (on average 6.419354838709677) internal successors, (199), 31 states have internal predecessors, (199), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Word has length 247 [2024-11-17 04:44:03,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:03,339 INFO L225 Difference]: With dead ends: 11951 [2024-11-17 04:44:03,339 INFO L226 Difference]: Without dead ends: 11950 [2024-11-17 04:44:03,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1343 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1012, Invalid=3818, Unknown=0, NotChecked=0, Total=4830 [2024-11-17 04:44:03,343 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 166 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 1463 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 1471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:03,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 465 Invalid, 1471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1463 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-17 04:44:03,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11950 states. [2024-11-17 04:44:03,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11950 to 11950. [2024-11-17 04:44:03,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11950 states, 11340 states have (on average 1.0538800705467373) internal successors, (11951), 11343 states have internal predecessors, (11951), 604 states have call successors, (604), 2 states have call predecessors, (604), 2 states have return successors, (604), 604 states have call predecessors, (604), 604 states have call successors, (604) [2024-11-17 04:44:04,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11950 states to 11950 states and 13159 transitions. [2024-11-17 04:44:04,023 INFO L78 Accepts]: Start accepts. Automaton has 11950 states and 13159 transitions. Word has length 247 [2024-11-17 04:44:04,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:04,024 INFO L471 AbstractCegarLoop]: Abstraction has 11950 states and 13159 transitions. [2024-11-17 04:44:04,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 31 states have (on average 6.419354838709677) internal successors, (199), 31 states have internal predecessors, (199), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:44:04,024 INFO L276 IsEmpty]: Start isEmpty. Operand 11950 states and 13159 transitions. [2024-11-17 04:44:04,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-11-17 04:44:04,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:04,030 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:04,047 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-17 04:44:04,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:04,235 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:44:04,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:04,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1246108987, now seen corresponding path program 11 times [2024-11-17 04:44:04,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:04,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622283677] [2024-11-17 04:44:04,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:04,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:04,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1145473523] [2024-11-17 04:44:04,282 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-17 04:44:04,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:04,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:04,286 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:44:04,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-17 04:44:04,394 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-11-17 04:44:04,394 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:44:04,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-17 04:44:04,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:05,671 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 15 proven. 811 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-17 04:44:05,671 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:06,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:06,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622283677] [2024-11-17 04:44:06,101 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:06,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145473523] [2024-11-17 04:44:06,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145473523] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:06,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:44:06,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2024-11-17 04:44:06,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231186195] [2024-11-17 04:44:06,101 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:06,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-17 04:44:06,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:06,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-17 04:44:06,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=560, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:44:06,103 INFO L87 Difference]: Start difference. First operand 11950 states and 13159 transitions. Second operand has 23 states, 22 states have (on average 8.909090909090908) internal successors, (196), 23 states have internal predecessors, (196), 11 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2024-11-17 04:44:08,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:08,076 INFO L93 Difference]: Finished difference Result 15959 states and 17696 transitions. [2024-11-17 04:44:08,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-17 04:44:08,077 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 8.909090909090908) internal successors, (196), 23 states have internal predecessors, (196), 11 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) Word has length 247 [2024-11-17 04:44:08,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:08,101 INFO L225 Difference]: With dead ends: 15959 [2024-11-17 04:44:08,102 INFO L226 Difference]: Without dead ends: 11923 [2024-11-17 04:44:08,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=99, Invalid=603, Unknown=0, NotChecked=0, Total=702 [2024-11-17 04:44:08,113 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 28 mSDsluCounter, 879 mSDsCounter, 0 mSdLazyCounter, 2702 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 2703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:08,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 964 Invalid, 2703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2702 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-17 04:44:08,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11923 states. [2024-11-17 04:44:08,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11923 to 11837. [2024-11-17 04:44:08,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11837 states, 11233 states have (on average 1.0536811181340693) internal successors, (11836), 11236 states have internal predecessors, (11836), 598 states have call successors, (598), 2 states have call predecessors, (598), 2 states have return successors, (598), 598 states have call predecessors, (598), 598 states have call successors, (598) [2024-11-17 04:44:08,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11837 states to 11837 states and 13032 transitions. [2024-11-17 04:44:08,633 INFO L78 Accepts]: Start accepts. Automaton has 11837 states and 13032 transitions. Word has length 247 [2024-11-17 04:44:08,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:08,634 INFO L471 AbstractCegarLoop]: Abstraction has 11837 states and 13032 transitions. [2024-11-17 04:44:08,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 8.909090909090908) internal successors, (196), 23 states have internal predecessors, (196), 11 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2024-11-17 04:44:08,634 INFO L276 IsEmpty]: Start isEmpty. Operand 11837 states and 13032 transitions. [2024-11-17 04:44:08,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-11-17 04:44:08,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:08,638 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:08,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-17 04:44:08,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:08,840 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:44:08,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:08,840 INFO L85 PathProgramCache]: Analyzing trace with hash 735000462, now seen corresponding path program 2 times [2024-11-17 04:44:08,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:08,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713741175] [2024-11-17 04:44:08,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:08,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:09,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:44:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:09,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:44:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:09,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:44:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:09,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:44:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:09,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:44:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:09,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:44:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:09,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-17 04:44:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:09,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-17 04:44:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:09,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 04:44:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:09,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-17 04:44:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:09,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-17 04:44:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:09,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-17 04:44:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:09,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-17 04:44:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:09,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1199 backedges. 0 proven. 975 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-17 04:44:09,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:09,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713741175] [2024-11-17 04:44:09,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713741175] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:09,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186595983] [2024-11-17 04:44:09,145 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:44:09,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:09,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:09,147 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:44:09,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-17 04:44:09,224 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:44:09,224 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:44:09,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:44:09,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:09,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1199 backedges. 0 proven. 975 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-17 04:44:09,501 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:09,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1199 backedges. 0 proven. 975 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-17 04:44:09,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186595983] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:44:09,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:44:09,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2024-11-17 04:44:09,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613925503] [2024-11-17 04:44:09,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:10,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-17 04:44:10,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:10,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-17 04:44:10,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-11-17 04:44:10,001 INFO L87 Difference]: Start difference. First operand 11837 states and 13032 transitions. Second operand has 25 states, 24 states have (on average 17.0) internal successors, (408), 25 states have internal predecessors, (408), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) [2024-11-17 04:44:10,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:10,807 INFO L93 Difference]: Finished difference Result 16657 states and 18855 transitions. [2024-11-17 04:44:10,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-17 04:44:10,808 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 17.0) internal successors, (408), 25 states have internal predecessors, (408), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) Word has length 259 [2024-11-17 04:44:10,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:10,836 INFO L225 Difference]: With dead ends: 16657 [2024-11-17 04:44:10,836 INFO L226 Difference]: Without dead ends: 16656 [2024-11-17 04:44:10,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 554 GetRequests, 531 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-11-17 04:44:10,846 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 27 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:10,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 262 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:44:10,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16656 states. [2024-11-17 04:44:11,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16656 to 16656. [2024-11-17 04:44:11,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16656 states, 15797 states have (on average 1.0688738368044566) internal successors, (16885), 15800 states have internal predecessors, (16885), 853 states have call successors, (853), 2 states have call predecessors, (853), 2 states have return successors, (853), 853 states have call predecessors, (853), 853 states have call successors, (853) [2024-11-17 04:44:11,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16656 states to 16656 states and 18591 transitions. [2024-11-17 04:44:11,694 INFO L78 Accepts]: Start accepts. Automaton has 16656 states and 18591 transitions. Word has length 259 [2024-11-17 04:44:11,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:11,694 INFO L471 AbstractCegarLoop]: Abstraction has 16656 states and 18591 transitions. [2024-11-17 04:44:11,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 17.0) internal successors, (408), 25 states have internal predecessors, (408), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) [2024-11-17 04:44:11,695 INFO L276 IsEmpty]: Start isEmpty. Operand 16656 states and 18591 transitions. [2024-11-17 04:44:11,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-17 04:44:11,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:11,699 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:11,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-17 04:44:11,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-17 04:44:11,900 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:44:11,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:11,900 INFO L85 PathProgramCache]: Analyzing trace with hash 625225293, now seen corresponding path program 12 times [2024-11-17 04:44:11,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:11,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946970486] [2024-11-17 04:44:11,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:11,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:12,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:44:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:12,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:44:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:12,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:44:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:12,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:44:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:12,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:44:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:12,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:44:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:12,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-17 04:44:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:12,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-17 04:44:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:12,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 04:44:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:12,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-17 04:44:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:12,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-17 04:44:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:12,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-17 04:44:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:12,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-17 04:44:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:12,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 244 proven. 737 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-17 04:44:12,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:12,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946970486] [2024-11-17 04:44:12,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946970486] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:12,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735598038] [2024-11-17 04:44:12,327 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-17 04:44:12,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:12,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:12,329 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:44:12,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-17 04:44:12,470 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2024-11-17 04:44:12,470 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:44:12,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:44:12,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:12,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 305 proven. 676 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-17 04:44:12,960 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:13,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 305 proven. 676 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-17 04:44:13,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735598038] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:44:13,363 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:44:13,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 21 [2024-11-17 04:44:13,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995719859] [2024-11-17 04:44:13,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:13,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-17 04:44:13,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:13,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-17 04:44:13,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2024-11-17 04:44:13,365 INFO L87 Difference]: Start difference. First operand 16656 states and 18591 transitions. Second operand has 21 states, 21 states have (on average 15.904761904761905) internal successors, (334), 21 states have internal predecessors, (334), 19 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 19 states have call predecessors, (20), 19 states have call successors, (20)