./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3d9847fe213bf8df5d23c53d2bc8b53fb384c85820b87c09591484702dabefc3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:05:22,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:05:22,147 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:05:22,150 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:05:22,150 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:05:22,184 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:05:22,185 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:05:22,185 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:05:22,185 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:05:22,186 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:05:22,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:05:22,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:05:22,188 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:05:22,188 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:05:22,189 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:05:22,190 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:05:22,190 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:05:22,190 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:05:22,190 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:05:22,190 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:05:22,190 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:05:22,191 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:05:22,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:05:22,193 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:05:22,193 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:05:22,194 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:05:22,194 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:05:22,194 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:05:22,194 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:05:22,194 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:05:22,195 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:05:22,195 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:05:22,195 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:05:22,195 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:05:22,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:05:22,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:05:22,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:05:22,196 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:05:22,196 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:05:22,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:05:22,196 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:05:22,196 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:05:22,197 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:05:22,197 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:05:22,197 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d9847fe213bf8df5d23c53d2bc8b53fb384c85820b87c09591484702dabefc3 [2024-11-10 19:05:22,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:05:22,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:05:22,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:05:22,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:05:22,428 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:05:22,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c [2024-11-10 19:05:23,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:05:23,870 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:05:23,871 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c [2024-11-10 19:05:23,876 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ef14da3c/832d4e0946a34d14981f89489eaed32b/FLAG50cabebd8 [2024-11-10 19:05:24,302 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ef14da3c/832d4e0946a34d14981f89489eaed32b [2024-11-10 19:05:24,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:05:24,305 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:05:24,306 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:05:24,306 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:05:24,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:05:24,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:05:24" (1/1) ... [2024-11-10 19:05:24,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@989f853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:24, skipping insertion in model container [2024-11-10 19:05:24,312 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:05:24" (1/1) ... [2024-11-10 19:05:24,328 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:05:24,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:05:24,480 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:05:24,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:05:24,515 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:05:24,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:24 WrapperNode [2024-11-10 19:05:24,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:05:24,516 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:05:24,516 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:05:24,516 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:05:24,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:24" (1/1) ... [2024-11-10 19:05:24,529 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:24" (1/1) ... [2024-11-10 19:05:24,551 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 118 [2024-11-10 19:05:24,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:05:24,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:05:24,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:05:24,552 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:05:24,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:24" (1/1) ... [2024-11-10 19:05:24,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:24" (1/1) ... [2024-11-10 19:05:24,564 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:24" (1/1) ... [2024-11-10 19:05:24,577 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 19:05:24,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:24" (1/1) ... [2024-11-10 19:05:24,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:24" (1/1) ... [2024-11-10 19:05:24,580 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:24" (1/1) ... [2024-11-10 19:05:24,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:24" (1/1) ... [2024-11-10 19:05:24,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:24" (1/1) ... [2024-11-10 19:05:24,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:24" (1/1) ... [2024-11-10 19:05:24,587 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:05:24,590 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:05:24,590 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:05:24,590 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:05:24,591 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:24" (1/1) ... [2024-11-10 19:05:24,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:05:24,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:24,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 19:05:24,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 19:05:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:05:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 19:05:24,693 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 19:05:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:05:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:05:24,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:05:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:05:24,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:05:24,747 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:05:24,749 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:05:25,084 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-11-10 19:05:25,084 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:05:25,097 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:05:25,097 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:05:25,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:05:25 BoogieIcfgContainer [2024-11-10 19:05:25,098 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:05:25,099 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:05:25,100 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:05:25,102 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:05:25,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:05:24" (1/3) ... [2024-11-10 19:05:25,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3580719d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:05:25, skipping insertion in model container [2024-11-10 19:05:25,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:24" (2/3) ... [2024-11-10 19:05:25,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3580719d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:05:25, skipping insertion in model container [2024-11-10 19:05:25,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:05:25" (3/3) ... [2024-11-10 19:05:25,104 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd-ll_valuebound10.c [2024-11-10 19:05:25,118 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:05:25,118 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2024-11-10 19:05:25,181 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:05:25,189 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;@2206042c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:05:25,189 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-10 19:05:25,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 81 states have (on average 1.7654320987654322) internal successors, (143), 137 states have internal predecessors, (143), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 19:05:25,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-10 19:05:25,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:25,201 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:25,202 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:25,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:25,205 INFO L85 PathProgramCache]: Analyzing trace with hash -398421411, now seen corresponding path program 1 times [2024-11-10 19:05:25,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:25,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357537785] [2024-11-10 19:05:25,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:25,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:25,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:25,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:05:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:25,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:05:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:25,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:05:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:25,346 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:05:25,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:25,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357537785] [2024-11-10 19:05:25,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357537785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:25,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:25,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:25,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833630115] [2024-11-10 19:05:25,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:25,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:05:25,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:25,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:05:25,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:05:25,376 INFO L87 Difference]: Start difference. First operand has 151 states, 81 states have (on average 1.7654320987654322) internal successors, (143), 137 states have internal predecessors, (143), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:05:25,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:25,398 INFO L93 Difference]: Finished difference Result 298 states and 336 transitions. [2024-11-10 19:05:25,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:05:25,400 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 26 [2024-11-10 19:05:25,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:25,405 INFO L225 Difference]: With dead ends: 298 [2024-11-10 19:05:25,406 INFO L226 Difference]: Without dead ends: 144 [2024-11-10 19:05:25,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:05:25,410 INFO L432 NwaCegarLoop]: 160 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, 160 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:25,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:05:25,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-10 19:05:25,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2024-11-10 19:05:25,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 76 states have (on average 1.75) internal successors, (133), 131 states have internal predecessors, (133), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:05:25,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 153 transitions. [2024-11-10 19:05:25,442 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 153 transitions. Word has length 26 [2024-11-10 19:05:25,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:25,443 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 153 transitions. [2024-11-10 19:05:25,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:05:25,443 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 153 transitions. [2024-11-10 19:05:25,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-10 19:05:25,445 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:25,445 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:25,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:05:25,445 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:25,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:25,446 INFO L85 PathProgramCache]: Analyzing trace with hash -146467076, now seen corresponding path program 1 times [2024-11-10 19:05:25,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:25,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703332630] [2024-11-10 19:05:25,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:25,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:25,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1542597287] [2024-11-10 19:05:25,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:25,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:25,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:25,496 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:25,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:05:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:25,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:05:25,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:25,600 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:05:25,600 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:25,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:25,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703332630] [2024-11-10 19:05:25,601 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:25,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542597287] [2024-11-10 19:05:25,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542597287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:25,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:25,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:25,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249408820] [2024-11-10 19:05:25,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:25,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:25,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:25,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:25,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:25,604 INFO L87 Difference]: Start difference. First operand 144 states and 153 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:05:25,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:25,920 INFO L93 Difference]: Finished difference Result 235 states and 283 transitions. [2024-11-10 19:05:25,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:25,921 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2024-11-10 19:05:25,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:25,923 INFO L225 Difference]: With dead ends: 235 [2024-11-10 19:05:25,924 INFO L226 Difference]: Without dead ends: 231 [2024-11-10 19:05:25,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:25,925 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 78 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:25,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 155 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:05:25,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-10 19:05:25,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 184. [2024-11-10 19:05:25,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 111 states have (on average 1.7747747747747749) internal successors, (197), 166 states have internal predecessors, (197), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-10 19:05:25,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 227 transitions. [2024-11-10 19:05:25,947 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 227 transitions. Word has length 27 [2024-11-10 19:05:25,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:25,947 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 227 transitions. [2024-11-10 19:05:25,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:05:25,948 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 227 transitions. [2024-11-10 19:05:25,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 19:05:25,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:25,949 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:25,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 19:05:26,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:26,154 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:26,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:26,154 INFO L85 PathProgramCache]: Analyzing trace with hash 979063866, now seen corresponding path program 1 times [2024-11-10 19:05:26,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:26,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143919100] [2024-11-10 19:05:26,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:26,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:26,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1934944567] [2024-11-10 19:05:26,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:26,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:26,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:26,180 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:26,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:05:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:26,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:05:26,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:26,235 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:05:26,235 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:26,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:26,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143919100] [2024-11-10 19:05:26,236 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:26,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934944567] [2024-11-10 19:05:26,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934944567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:26,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:26,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:26,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503722565] [2024-11-10 19:05:26,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:26,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:26,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:26,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:26,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:26,238 INFO L87 Difference]: Start difference. First operand 184 states and 227 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:05:26,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:26,699 INFO L93 Difference]: Finished difference Result 291 states and 357 transitions. [2024-11-10 19:05:26,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:26,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2024-11-10 19:05:26,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:26,701 INFO L225 Difference]: With dead ends: 291 [2024-11-10 19:05:26,701 INFO L226 Difference]: Without dead ends: 283 [2024-11-10 19:05:26,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:26,702 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 89 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:26,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 214 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:05:26,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-10 19:05:26,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 241. [2024-11-10 19:05:26,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 162 states have (on average 1.728395061728395) internal successors, (280), 217 states have internal predecessors, (280), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-10 19:05:26,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 322 transitions. [2024-11-10 19:05:26,741 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 322 transitions. Word has length 29 [2024-11-10 19:05:26,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:26,741 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 322 transitions. [2024-11-10 19:05:26,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:05:26,742 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 322 transitions. [2024-11-10 19:05:26,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-10 19:05:26,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:26,743 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:26,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 19:05:26,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-10 19:05:26,950 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:26,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:26,951 INFO L85 PathProgramCache]: Analyzing trace with hash 282540408, now seen corresponding path program 1 times [2024-11-10 19:05:26,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:26,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177850996] [2024-11-10 19:05:26,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:26,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:26,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [18788809] [2024-11-10 19:05:26,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:26,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:26,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:27,000 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:27,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:05:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:27,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:05:27,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:27,112 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:05:27,112 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:27,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:27,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177850996] [2024-11-10 19:05:27,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:27,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18788809] [2024-11-10 19:05:27,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18788809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:27,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:27,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:27,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246563626] [2024-11-10 19:05:27,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:27,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:27,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:27,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:27,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:27,115 INFO L87 Difference]: Start difference. First operand 241 states and 322 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:05:27,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:27,464 INFO L93 Difference]: Finished difference Result 277 states and 343 transitions. [2024-11-10 19:05:27,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:27,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2024-11-10 19:05:27,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:27,470 INFO L225 Difference]: With dead ends: 277 [2024-11-10 19:05:27,470 INFO L226 Difference]: Without dead ends: 263 [2024-11-10 19:05:27,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:27,471 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 66 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:27,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 141 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:05:27,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-10 19:05:27,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 206. [2024-11-10 19:05:27,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 132 states have (on average 1.643939393939394) internal successors, (217), 187 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 19:05:27,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 249 transitions. [2024-11-10 19:05:27,481 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 249 transitions. Word has length 31 [2024-11-10 19:05:27,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:27,481 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 249 transitions. [2024-11-10 19:05:27,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:05:27,482 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 249 transitions. [2024-11-10 19:05:27,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-10 19:05:27,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:27,482 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:27,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:27,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:27,687 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:27,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:27,688 INFO L85 PathProgramCache]: Analyzing trace with hash -41216957, now seen corresponding path program 1 times [2024-11-10 19:05:27,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:27,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732183895] [2024-11-10 19:05:27,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:27,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:27,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [612714847] [2024-11-10 19:05:27,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:27,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:27,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:27,742 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:27,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:05:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:27,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:05:27,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:27,812 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:05:27,813 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:27,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:27,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732183895] [2024-11-10 19:05:27,813 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:27,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612714847] [2024-11-10 19:05:27,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612714847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:27,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:27,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:27,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486177412] [2024-11-10 19:05:27,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:27,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:27,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:27,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:27,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:27,815 INFO L87 Difference]: Start difference. First operand 206 states and 249 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:28,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:28,145 INFO L93 Difference]: Finished difference Result 380 states and 480 transitions. [2024-11-10 19:05:28,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:28,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 38 [2024-11-10 19:05:28,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:28,147 INFO L225 Difference]: With dead ends: 380 [2024-11-10 19:05:28,147 INFO L226 Difference]: Without dead ends: 372 [2024-11-10 19:05:28,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:28,149 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 90 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:28,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 212 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:05:28,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-11-10 19:05:28,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 291. [2024-11-10 19:05:28,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 208 states have (on average 1.6298076923076923) internal successors, (339), 263 states have internal predecessors, (339), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:28,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 389 transitions. [2024-11-10 19:05:28,161 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 389 transitions. Word has length 38 [2024-11-10 19:05:28,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:28,161 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 389 transitions. [2024-11-10 19:05:28,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:28,161 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 389 transitions. [2024-11-10 19:05:28,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-10 19:05:28,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:28,162 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:28,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 19:05:28,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:28,367 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:28,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:28,368 INFO L85 PathProgramCache]: Analyzing trace with hash -954787295, now seen corresponding path program 1 times [2024-11-10 19:05:28,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:28,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154831115] [2024-11-10 19:05:28,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:28,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:28,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1983213539] [2024-11-10 19:05:28,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:28,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:28,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:28,387 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:28,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:05:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:28,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:28,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:28,502 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:05:28,502 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:28,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:28,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154831115] [2024-11-10 19:05:28,502 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:28,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983213539] [2024-11-10 19:05:28,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983213539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:28,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:28,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:28,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693575277] [2024-11-10 19:05:28,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:28,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:28,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:28,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:28,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:28,504 INFO L87 Difference]: Start difference. First operand 291 states and 389 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:28,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:28,846 INFO L93 Difference]: Finished difference Result 348 states and 458 transitions. [2024-11-10 19:05:28,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:28,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 40 [2024-11-10 19:05:28,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:28,848 INFO L225 Difference]: With dead ends: 348 [2024-11-10 19:05:28,850 INFO L226 Difference]: Without dead ends: 346 [2024-11-10 19:05:28,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:28,851 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 183 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:28,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 172 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:05:28,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-10 19:05:28,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 291. [2024-11-10 19:05:28,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 208 states have (on average 1.6105769230769231) internal successors, (335), 263 states have internal predecessors, (335), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:28,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 385 transitions. [2024-11-10 19:05:28,884 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 385 transitions. Word has length 40 [2024-11-10 19:05:28,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:28,884 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 385 transitions. [2024-11-10 19:05:28,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:28,885 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 385 transitions. [2024-11-10 19:05:28,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-10 19:05:28,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:28,885 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:28,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 19:05:29,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:29,087 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:29,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:29,087 INFO L85 PathProgramCache]: Analyzing trace with hash 466365008, now seen corresponding path program 1 times [2024-11-10 19:05:29,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:29,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92881552] [2024-11-10 19:05:29,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:29,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:29,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1822939644] [2024-11-10 19:05:29,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:29,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:29,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:29,135 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:29,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:05:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:29,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:29,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:29,240 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:05:29,241 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:29,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:29,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92881552] [2024-11-10 19:05:29,241 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:29,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822939644] [2024-11-10 19:05:29,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822939644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:29,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:29,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:29,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2900166] [2024-11-10 19:05:29,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:29,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:29,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:29,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:29,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:29,243 INFO L87 Difference]: Start difference. First operand 291 states and 385 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:29,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:29,511 INFO L93 Difference]: Finished difference Result 348 states and 454 transitions. [2024-11-10 19:05:29,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:29,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2024-11-10 19:05:29,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:29,514 INFO L225 Difference]: With dead ends: 348 [2024-11-10 19:05:29,516 INFO L226 Difference]: Without dead ends: 346 [2024-11-10 19:05:29,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:29,517 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 246 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:29,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 155 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:05:29,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-10 19:05:29,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 291. [2024-11-10 19:05:29,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 208 states have (on average 1.5913461538461537) internal successors, (331), 263 states have internal predecessors, (331), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:29,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 381 transitions. [2024-11-10 19:05:29,533 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 381 transitions. Word has length 41 [2024-11-10 19:05:29,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:29,533 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 381 transitions. [2024-11-10 19:05:29,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:29,533 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 381 transitions. [2024-11-10 19:05:29,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-10 19:05:29,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:29,534 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:29,549 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 19:05:29,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:29,741 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:29,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:29,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1572413439, now seen corresponding path program 1 times [2024-11-10 19:05:29,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:29,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468128968] [2024-11-10 19:05:29,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:29,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:29,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1208144651] [2024-11-10 19:05:29,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:29,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:29,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:29,763 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:29,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:05:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:29,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:29,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:29,836 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:05:29,836 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:29,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:29,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468128968] [2024-11-10 19:05:29,836 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:29,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208144651] [2024-11-10 19:05:29,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208144651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:29,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:29,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:29,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060854431] [2024-11-10 19:05:29,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:29,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:29,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:29,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:29,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:29,838 INFO L87 Difference]: Start difference. First operand 291 states and 381 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:30,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:30,535 INFO L93 Difference]: Finished difference Result 370 states and 460 transitions. [2024-11-10 19:05:30,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:30,537 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2024-11-10 19:05:30,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:30,539 INFO L225 Difference]: With dead ends: 370 [2024-11-10 19:05:30,539 INFO L226 Difference]: Without dead ends: 368 [2024-11-10 19:05:30,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:30,540 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 153 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:30,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 183 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:05:30,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-10 19:05:30,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 292. [2024-11-10 19:05:30,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 209 states have (on average 1.5741626794258374) internal successors, (329), 264 states have internal predecessors, (329), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:30,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 379 transitions. [2024-11-10 19:05:30,548 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 379 transitions. Word has length 42 [2024-11-10 19:05:30,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:30,549 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 379 transitions. [2024-11-10 19:05:30,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:30,549 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 379 transitions. [2024-11-10 19:05:30,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-10 19:05:30,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:30,550 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:30,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:30,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:30,754 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:30,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:30,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1500176430, now seen corresponding path program 1 times [2024-11-10 19:05:30,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:30,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113495226] [2024-11-10 19:05:30,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:30,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:30,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1436718549] [2024-11-10 19:05:30,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:30,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:30,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:30,769 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:30,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:05:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:30,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:30,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:30,897 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:05:30,897 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:30,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:30,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113495226] [2024-11-10 19:05:30,897 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:30,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436718549] [2024-11-10 19:05:30,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436718549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:30,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:30,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:30,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911439978] [2024-11-10 19:05:30,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:30,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:30,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:30,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:30,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:30,899 INFO L87 Difference]: Start difference. First operand 292 states and 379 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:32,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:32,166 INFO L93 Difference]: Finished difference Result 370 states and 456 transitions. [2024-11-10 19:05:32,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:32,166 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2024-11-10 19:05:32,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:32,174 INFO L225 Difference]: With dead ends: 370 [2024-11-10 19:05:32,178 INFO L226 Difference]: Without dead ends: 368 [2024-11-10 19:05:32,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:32,179 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 92 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:32,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 240 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 19:05:32,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-10 19:05:32,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 293. [2024-11-10 19:05:32,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 210 states have (on average 1.5571428571428572) internal successors, (327), 265 states have internal predecessors, (327), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:32,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 377 transitions. [2024-11-10 19:05:32,206 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 377 transitions. Word has length 43 [2024-11-10 19:05:32,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:32,206 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 377 transitions. [2024-11-10 19:05:32,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:32,207 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 377 transitions. [2024-11-10 19:05:32,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-10 19:05:32,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:32,207 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:32,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 19:05:32,408 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,SelfDestructingSolverStorable8 [2024-11-10 19:05:32,408 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:32,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:32,409 INFO L85 PathProgramCache]: Analyzing trace with hash -562723964, now seen corresponding path program 1 times [2024-11-10 19:05:32,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:32,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991501673] [2024-11-10 19:05:32,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:32,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:32,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1951300353] [2024-11-10 19:05:32,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:32,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:32,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:32,423 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:32,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:05:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:32,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:32,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:32,547 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:05:32,547 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:32,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:32,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991501673] [2024-11-10 19:05:32,547 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:32,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951300353] [2024-11-10 19:05:32,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951300353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:32,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:32,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:32,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392724937] [2024-11-10 19:05:32,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:32,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:32,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:32,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:32,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:32,549 INFO L87 Difference]: Start difference. First operand 293 states and 377 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:32,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:32,871 INFO L93 Difference]: Finished difference Result 319 states and 400 transitions. [2024-11-10 19:05:32,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:32,871 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 51 [2024-11-10 19:05:32,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:32,873 INFO L225 Difference]: With dead ends: 319 [2024-11-10 19:05:32,873 INFO L226 Difference]: Without dead ends: 317 [2024-11-10 19:05:32,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:32,874 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 228 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:32,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 165 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:05:32,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-10 19:05:32,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 294. [2024-11-10 19:05:32,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 211 states have (on average 1.5450236966824644) internal successors, (326), 266 states have internal predecessors, (326), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:32,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 376 transitions. [2024-11-10 19:05:32,882 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 376 transitions. Word has length 51 [2024-11-10 19:05:32,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:32,883 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 376 transitions. [2024-11-10 19:05:32,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:32,884 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 376 transitions. [2024-11-10 19:05:32,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-10 19:05:32,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:32,886 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:32,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 19:05:33,090 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,SelfDestructingSolverStorable9 [2024-11-10 19:05:33,091 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:33,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:33,091 INFO L85 PathProgramCache]: Analyzing trace with hash -264573632, now seen corresponding path program 1 times [2024-11-10 19:05:33,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:33,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797110632] [2024-11-10 19:05:33,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:33,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:33,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1379676530] [2024-11-10 19:05:33,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:33,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:33,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:33,118 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:33,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 19:05:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:33,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:33,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:33,226 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:05:33,227 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:33,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:33,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797110632] [2024-11-10 19:05:33,228 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:33,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379676530] [2024-11-10 19:05:33,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379676530] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:33,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:33,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:33,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128815527] [2024-11-10 19:05:33,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:33,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:33,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:33,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:33,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:33,229 INFO L87 Difference]: Start difference. First operand 294 states and 376 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:33,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:33,479 INFO L93 Difference]: Finished difference Result 319 states and 397 transitions. [2024-11-10 19:05:33,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:33,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 52 [2024-11-10 19:05:33,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:33,481 INFO L225 Difference]: With dead ends: 319 [2024-11-10 19:05:33,481 INFO L226 Difference]: Without dead ends: 317 [2024-11-10 19:05:33,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:33,481 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 226 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:33,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 165 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:05:33,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-10 19:05:33,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 295. [2024-11-10 19:05:33,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 212 states have (on average 1.5330188679245282) internal successors, (325), 267 states have internal predecessors, (325), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:33,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 375 transitions. [2024-11-10 19:05:33,489 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 375 transitions. Word has length 52 [2024-11-10 19:05:33,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:33,489 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 375 transitions. [2024-11-10 19:05:33,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:33,490 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 375 transitions. [2024-11-10 19:05:33,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-10 19:05:33,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:33,490 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:33,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:33,691 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,SelfDestructingSolverStorable10 [2024-11-10 19:05:33,691 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:33,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:33,691 INFO L85 PathProgramCache]: Analyzing trace with hash 388152066, now seen corresponding path program 1 times [2024-11-10 19:05:33,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:33,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684615650] [2024-11-10 19:05:33,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:33,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:33,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [609511111] [2024-11-10 19:05:33,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:33,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:33,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:33,712 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:33,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 19:05:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:33,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:33,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:33,799 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:05:33,799 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:33,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:33,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684615650] [2024-11-10 19:05:33,800 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:33,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609511111] [2024-11-10 19:05:33,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609511111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:33,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:33,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:33,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975767673] [2024-11-10 19:05:33,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:33,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:33,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:33,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:33,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:33,806 INFO L87 Difference]: Start difference. First operand 295 states and 375 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:05:34,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:34,406 INFO L93 Difference]: Finished difference Result 325 states and 384 transitions. [2024-11-10 19:05:34,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:34,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 53 [2024-11-10 19:05:34,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:34,407 INFO L225 Difference]: With dead ends: 325 [2024-11-10 19:05:34,407 INFO L226 Difference]: Without dead ends: 323 [2024-11-10 19:05:34,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:34,408 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 138 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:34,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 214 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:05:34,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-10 19:05:34,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 296. [2024-11-10 19:05:34,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 213 states have (on average 1.5211267605633803) internal successors, (324), 268 states have internal predecessors, (324), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:34,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 374 transitions. [2024-11-10 19:05:34,416 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 374 transitions. Word has length 53 [2024-11-10 19:05:34,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:34,416 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 374 transitions. [2024-11-10 19:05:34,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:05:34,417 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 374 transitions. [2024-11-10 19:05:34,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-10 19:05:34,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:34,419 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:34,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 19:05:34,619 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,SelfDestructingSolverStorable11 [2024-11-10 19:05:34,620 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:34,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:34,621 INFO L85 PathProgramCache]: Analyzing trace with hash -852187778, now seen corresponding path program 1 times [2024-11-10 19:05:34,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:34,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304519643] [2024-11-10 19:05:34,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:34,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:34,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1397723664] [2024-11-10 19:05:34,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:34,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:34,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:34,643 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:34,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 19:05:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:34,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:34,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:34,805 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:05:34,805 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:34,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:34,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304519643] [2024-11-10 19:05:34,805 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:34,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397723664] [2024-11-10 19:05:34,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397723664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:34,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:34,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:34,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326719952] [2024-11-10 19:05:34,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:34,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:34,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:34,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:34,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:34,807 INFO L87 Difference]: Start difference. First operand 296 states and 374 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:05:35,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:35,810 INFO L93 Difference]: Finished difference Result 325 states and 381 transitions. [2024-11-10 19:05:35,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:35,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 54 [2024-11-10 19:05:35,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:35,811 INFO L225 Difference]: With dead ends: 325 [2024-11-10 19:05:35,812 INFO L226 Difference]: Without dead ends: 323 [2024-11-10 19:05:35,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:35,812 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 83 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:35,812 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 268 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 19:05:35,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-10 19:05:35,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 297. [2024-11-10 19:05:35,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 214 states have (on average 1.5093457943925233) internal successors, (323), 269 states have internal predecessors, (323), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:35,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 373 transitions. [2024-11-10 19:05:35,820 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 373 transitions. Word has length 54 [2024-11-10 19:05:35,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:35,821 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 373 transitions. [2024-11-10 19:05:35,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:05:35,821 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 373 transitions. [2024-11-10 19:05:35,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-10 19:05:35,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:35,822 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:35,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:36,025 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,SelfDestructingSolverStorable12 [2024-11-10 19:05:36,025 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:36,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:36,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1199455726, now seen corresponding path program 1 times [2024-11-10 19:05:36,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:36,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166459817] [2024-11-10 19:05:36,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:36,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:05:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:05:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:05:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:05:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:05:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:05:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,105 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:05:36,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:36,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166459817] [2024-11-10 19:05:36,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166459817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:36,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:36,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:36,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377554609] [2024-11-10 19:05:36,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:36,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:36,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:36,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:36,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:36,110 INFO L87 Difference]: Start difference. First operand 297 states and 373 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 19:05:36,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:36,149 INFO L93 Difference]: Finished difference Result 297 states and 373 transitions. [2024-11-10 19:05:36,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:36,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 61 [2024-11-10 19:05:36,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:36,151 INFO L225 Difference]: With dead ends: 297 [2024-11-10 19:05:36,151 INFO L226 Difference]: Without dead ends: 295 [2024-11-10 19:05:36,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:36,152 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 47 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:36,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 220 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:05:36,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-10 19:05:36,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2024-11-10 19:05:36,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 214 states have (on average 1.4813084112149533) internal successors, (317), 267 states have internal predecessors, (317), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:36,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 367 transitions. [2024-11-10 19:05:36,162 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 367 transitions. Word has length 61 [2024-11-10 19:05:36,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:36,162 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 367 transitions. [2024-11-10 19:05:36,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 19:05:36,162 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 367 transitions. [2024-11-10 19:05:36,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-10 19:05:36,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:36,163 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:36,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 19:05:36,164 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:36,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:36,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1471578133, now seen corresponding path program 1 times [2024-11-10 19:05:36,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:36,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019885295] [2024-11-10 19:05:36,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:36,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:05:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:05:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:05:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:05:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:05:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:05:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,218 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:05:36,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:36,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019885295] [2024-11-10 19:05:36,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019885295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:36,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:36,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:36,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353362156] [2024-11-10 19:05:36,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:36,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:36,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:36,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:36,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:36,220 INFO L87 Difference]: Start difference. First operand 295 states and 367 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 19:05:36,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:36,252 INFO L93 Difference]: Finished difference Result 295 states and 367 transitions. [2024-11-10 19:05:36,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:36,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 62 [2024-11-10 19:05:36,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:36,253 INFO L225 Difference]: With dead ends: 295 [2024-11-10 19:05:36,253 INFO L226 Difference]: Without dead ends: 293 [2024-11-10 19:05:36,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:36,254 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 46 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:36,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 219 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:05:36,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-10 19:05:36,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2024-11-10 19:05:36,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 214 states have (on average 1.4439252336448598) internal successors, (309), 265 states have internal predecessors, (309), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:36,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 359 transitions. [2024-11-10 19:05:36,263 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 359 transitions. Word has length 62 [2024-11-10 19:05:36,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:36,263 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 359 transitions. [2024-11-10 19:05:36,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 19:05:36,264 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 359 transitions. [2024-11-10 19:05:36,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-10 19:05:36,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:36,264 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:36,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 19:05:36,264 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:36,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:36,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1625779243, now seen corresponding path program 1 times [2024-11-10 19:05:36,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:36,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863235531] [2024-11-10 19:05:36,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:36,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:05:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:05:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:05:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:05:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:05:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:05:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,383 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:05:36,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:36,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863235531] [2024-11-10 19:05:36,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863235531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:36,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:36,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:05:36,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398339368] [2024-11-10 19:05:36,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:36,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:05:36,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:36,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:05:36,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:05:36,387 INFO L87 Difference]: Start difference. First operand 293 states and 359 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 19:05:36,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:36,760 INFO L93 Difference]: Finished difference Result 297 states and 363 transitions. [2024-11-10 19:05:36,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:05:36,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 63 [2024-11-10 19:05:36,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:36,762 INFO L225 Difference]: With dead ends: 297 [2024-11-10 19:05:36,762 INFO L226 Difference]: Without dead ends: 296 [2024-11-10 19:05:36,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:05:36,763 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 297 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:36,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 173 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:05:36,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-10 19:05:36,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 295. [2024-11-10 19:05:36,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 216 states have (on average 1.4398148148148149) internal successors, (311), 267 states have internal predecessors, (311), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:36,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 361 transitions. [2024-11-10 19:05:36,772 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 361 transitions. Word has length 63 [2024-11-10 19:05:36,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:36,772 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 361 transitions. [2024-11-10 19:05:36,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 19:05:36,772 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 361 transitions. [2024-11-10 19:05:36,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-10 19:05:36,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:36,773 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:36,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 19:05:36,773 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:36,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:36,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1625780684, now seen corresponding path program 1 times [2024-11-10 19:05:36,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:36,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62439514] [2024-11-10 19:05:36,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:36,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:05:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:05:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:05:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:05:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:05:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:05:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,836 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:05:36,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:36,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62439514] [2024-11-10 19:05:36,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62439514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:36,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:36,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:05:36,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547790845] [2024-11-10 19:05:36,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:36,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:05:36,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:36,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:05:36,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:05:36,838 INFO L87 Difference]: Start difference. First operand 295 states and 361 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 19:05:37,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:37,241 INFO L93 Difference]: Finished difference Result 296 states and 361 transitions. [2024-11-10 19:05:37,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:05:37,241 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 63 [2024-11-10 19:05:37,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:37,242 INFO L225 Difference]: With dead ends: 296 [2024-11-10 19:05:37,243 INFO L226 Difference]: Without dead ends: 295 [2024-11-10 19:05:37,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:05:37,243 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 297 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:37,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 173 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:05:37,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-10 19:05:37,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2024-11-10 19:05:37,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 216 states have (on average 1.4351851851851851) internal successors, (310), 267 states have internal predecessors, (310), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:37,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 360 transitions. [2024-11-10 19:05:37,253 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 360 transitions. Word has length 63 [2024-11-10 19:05:37,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:37,253 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 360 transitions. [2024-11-10 19:05:37,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 19:05:37,254 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 360 transitions. [2024-11-10 19:05:37,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-10 19:05:37,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:37,254 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:37,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 19:05:37,254 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:37,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:37,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1368169288, now seen corresponding path program 1 times [2024-11-10 19:05:37,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:37,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997133547] [2024-11-10 19:05:37,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:37,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:37,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:37,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:05:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:37,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:05:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:37,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:05:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:37,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:05:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:37,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:05:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:37,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:05:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:37,337 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:05:37,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:37,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997133547] [2024-11-10 19:05:37,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997133547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:37,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:37,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:37,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15566674] [2024-11-10 19:05:37,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:37,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:37,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:37,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:37,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:37,339 INFO L87 Difference]: Start difference. First operand 295 states and 360 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:05:37,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:37,484 INFO L93 Difference]: Finished difference Result 358 states and 434 transitions. [2024-11-10 19:05:37,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:37,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 68 [2024-11-10 19:05:37,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:37,485 INFO L225 Difference]: With dead ends: 358 [2024-11-10 19:05:37,486 INFO L226 Difference]: Without dead ends: 354 [2024-11-10 19:05:37,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:37,486 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 47 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:37,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 158 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:05:37,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-10 19:05:37,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 309. [2024-11-10 19:05:37,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 230 states have (on average 1.4130434782608696) internal successors, (325), 281 states have internal predecessors, (325), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:37,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 375 transitions. [2024-11-10 19:05:37,496 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 375 transitions. Word has length 68 [2024-11-10 19:05:37,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:37,497 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 375 transitions. [2024-11-10 19:05:37,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:05:37,497 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 375 transitions. [2024-11-10 19:05:37,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-10 19:05:37,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:37,497 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:37,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 19:05:37,498 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:37,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:37,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1782804753, now seen corresponding path program 1 times [2024-11-10 19:05:37,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:37,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636864033] [2024-11-10 19:05:37,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:37,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:37,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:37,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:05:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:37,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:05:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:37,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:05:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:37,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:05:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:37,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:05:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:37,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:05:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:37,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 19:05:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:37,604 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:05:37,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:37,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636864033] [2024-11-10 19:05:37,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636864033] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:37,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658346840] [2024-11-10 19:05:37,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:37,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:37,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:37,607 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:37,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 19:05:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:37,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:05:37,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:37,782 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-10 19:05:37,782 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:37,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658346840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:37,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:37,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-10 19:05:37,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318452654] [2024-11-10 19:05:37,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:37,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:37,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:37,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:37,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:05:37,784 INFO L87 Difference]: Start difference. First operand 309 states and 375 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:05:38,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:38,159 INFO L93 Difference]: Finished difference Result 347 states and 426 transitions. [2024-11-10 19:05:38,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:05:38,160 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 74 [2024-11-10 19:05:38,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:38,161 INFO L225 Difference]: With dead ends: 347 [2024-11-10 19:05:38,161 INFO L226 Difference]: Without dead ends: 346 [2024-11-10 19:05:38,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:05:38,161 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 68 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:38,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 137 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:05:38,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-10 19:05:38,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 310. [2024-11-10 19:05:38,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 231 states have (on average 1.406926406926407) internal successors, (325), 282 states have internal predecessors, (325), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:38,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 375 transitions. [2024-11-10 19:05:38,171 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 375 transitions. Word has length 74 [2024-11-10 19:05:38,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:38,171 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 375 transitions. [2024-11-10 19:05:38,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:05:38,171 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 375 transitions. [2024-11-10 19:05:38,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-10 19:05:38,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:38,172 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:38,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:38,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:38,373 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:38,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:38,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1484742400, now seen corresponding path program 1 times [2024-11-10 19:05:38,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:38,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212095998] [2024-11-10 19:05:38,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:38,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:38,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [355586590] [2024-11-10 19:05:38,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:38,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:38,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:38,392 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:38,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 19:05:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:38,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:05:38,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:38,557 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:05:38,557 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:39,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:39,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212095998] [2024-11-10 19:05:39,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:39,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355586590] [2024-11-10 19:05:39,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355586590] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:39,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:39,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-10 19:05:39,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889255076] [2024-11-10 19:05:39,912 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:39,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:39,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:39,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:39,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2024-11-10 19:05:39,913 INFO L87 Difference]: Start difference. First operand 310 states and 375 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:05:40,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:40,222 INFO L93 Difference]: Finished difference Result 350 states and 424 transitions. [2024-11-10 19:05:40,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:40,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 73 [2024-11-10 19:05:40,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:40,224 INFO L225 Difference]: With dead ends: 350 [2024-11-10 19:05:40,224 INFO L226 Difference]: Without dead ends: 348 [2024-11-10 19:05:40,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2024-11-10 19:05:40,225 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 76 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:40,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 150 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:05:40,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-10 19:05:40,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 311. [2024-11-10 19:05:40,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 232 states have (on average 1.4008620689655173) internal successors, (325), 283 states have internal predecessors, (325), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:40,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 375 transitions. [2024-11-10 19:05:40,235 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 375 transitions. Word has length 73 [2024-11-10 19:05:40,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:40,235 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 375 transitions. [2024-11-10 19:05:40,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:05:40,235 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 375 transitions. [2024-11-10 19:05:40,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-10 19:05:40,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:40,236 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:40,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-10 19:05:40,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:40,440 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:40,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:40,440 INFO L85 PathProgramCache]: Analyzing trace with hash -567627497, now seen corresponding path program 1 times [2024-11-10 19:05:40,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:40,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854368524] [2024-11-10 19:05:40,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:40,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:40,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:40,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:05:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:40,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:05:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:40,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:05:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:40,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:05:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:40,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:05:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:40,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:05:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:40,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 19:05:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:40,598 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:05:40,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:40,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854368524] [2024-11-10 19:05:40,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854368524] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:40,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715430876] [2024-11-10 19:05:40,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:40,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:40,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:40,601 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:40,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-10 19:05:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:40,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:05:40,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:40,792 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-10 19:05:40,793 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:40,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715430876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:40,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:40,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-10 19:05:40,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532593999] [2024-11-10 19:05:40,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:40,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:40,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:40,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:40,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:05:40,794 INFO L87 Difference]: Start difference. First operand 311 states and 375 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:05:41,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:41,256 INFO L93 Difference]: Finished difference Result 347 states and 422 transitions. [2024-11-10 19:05:41,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:41,256 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 75 [2024-11-10 19:05:41,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:41,257 INFO L225 Difference]: With dead ends: 347 [2024-11-10 19:05:41,258 INFO L226 Difference]: Without dead ends: 346 [2024-11-10 19:05:41,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:05:41,258 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 64 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:41,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 145 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:05:41,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-10 19:05:41,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 312. [2024-11-10 19:05:41,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 233 states have (on average 1.3948497854077253) internal successors, (325), 284 states have internal predecessors, (325), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:41,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 375 transitions. [2024-11-10 19:05:41,268 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 375 transitions. Word has length 75 [2024-11-10 19:05:41,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:41,268 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 375 transitions. [2024-11-10 19:05:41,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:05:41,268 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 375 transitions. [2024-11-10 19:05:41,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-10 19:05:41,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:41,269 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:41,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-10 19:05:41,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:41,473 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:41,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:41,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1217625954, now seen corresponding path program 1 times [2024-11-10 19:05:41,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:41,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014131315] [2024-11-10 19:05:41,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:41,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:41,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1031428134] [2024-11-10 19:05:41,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:41,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:41,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:41,489 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:41,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-10 19:05:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:41,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:05:41,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:41,748 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:05:41,748 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:42,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:42,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014131315] [2024-11-10 19:05:42,379 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:42,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031428134] [2024-11-10 19:05:42,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031428134] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:42,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:42,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-10 19:05:42,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271326638] [2024-11-10 19:05:42,379 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:42,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:42,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:42,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:42,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:05:42,380 INFO L87 Difference]: Start difference. First operand 312 states and 375 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:05:42,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:42,689 INFO L93 Difference]: Finished difference Result 350 states and 420 transitions. [2024-11-10 19:05:42,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:42,690 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 74 [2024-11-10 19:05:42,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:42,691 INFO L225 Difference]: With dead ends: 350 [2024-11-10 19:05:42,691 INFO L226 Difference]: Without dead ends: 348 [2024-11-10 19:05:42,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:05:42,692 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 38 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:42,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 205 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:05:42,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-10 19:05:42,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 313. [2024-11-10 19:05:42,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 234 states have (on average 1.3888888888888888) internal successors, (325), 285 states have internal predecessors, (325), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:42,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 375 transitions. [2024-11-10 19:05:42,702 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 375 transitions. Word has length 74 [2024-11-10 19:05:42,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:42,702 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 375 transitions. [2024-11-10 19:05:42,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:05:42,702 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 375 transitions. [2024-11-10 19:05:42,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-10 19:05:42,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:42,703 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:42,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:42,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-10 19:05:42,904 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:42,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:42,904 INFO L85 PathProgramCache]: Analyzing trace with hash -998891140, now seen corresponding path program 1 times [2024-11-10 19:05:42,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:42,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322541980] [2024-11-10 19:05:42,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:42,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:42,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [479456180] [2024-11-10 19:05:42,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:42,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:42,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:42,917 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:42,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-10 19:05:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:42,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:42,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:42,999 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:05:42,999 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:42,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:43,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322541980] [2024-11-10 19:05:43,000 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:43,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479456180] [2024-11-10 19:05:43,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479456180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:43,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:43,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:43,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418113261] [2024-11-10 19:05:43,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:43,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:43,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:43,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:43,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:43,001 INFO L87 Difference]: Start difference. First operand 313 states and 375 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:05:43,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:43,749 INFO L93 Difference]: Finished difference Result 365 states and 420 transitions. [2024-11-10 19:05:43,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:43,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 77 [2024-11-10 19:05:43,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:43,751 INFO L225 Difference]: With dead ends: 365 [2024-11-10 19:05:43,751 INFO L226 Difference]: Without dead ends: 364 [2024-11-10 19:05:43,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:43,752 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 81 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:43,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 230 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:05:43,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-10 19:05:43,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 313. [2024-11-10 19:05:43,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 234 states have (on average 1.3846153846153846) internal successors, (324), 285 states have internal predecessors, (324), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:43,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 374 transitions. [2024-11-10 19:05:43,761 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 374 transitions. Word has length 77 [2024-11-10 19:05:43,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:43,762 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 374 transitions. [2024-11-10 19:05:43,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:05:43,762 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 374 transitions. [2024-11-10 19:05:43,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-10 19:05:43,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:43,762 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:43,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-10 19:05:43,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:43,963 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:43,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:43,964 INFO L85 PathProgramCache]: Analyzing trace with hash -900854178, now seen corresponding path program 1 times [2024-11-10 19:05:43,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:43,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14673866] [2024-11-10 19:05:43,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:43,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:43,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [246374402] [2024-11-10 19:05:43,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:43,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:43,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:43,978 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:43,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-10 19:05:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:44,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:44,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:44,185 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:05:44,185 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:44,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:44,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14673866] [2024-11-10 19:05:44,186 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:44,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246374402] [2024-11-10 19:05:44,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246374402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:44,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:44,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:44,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044237689] [2024-11-10 19:05:44,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:44,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:44,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:44,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:44,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:44,187 INFO L87 Difference]: Start difference. First operand 313 states and 374 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:05:44,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:44,665 INFO L93 Difference]: Finished difference Result 367 states and 419 transitions. [2024-11-10 19:05:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:44,665 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 78 [2024-11-10 19:05:44,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:44,666 INFO L225 Difference]: With dead ends: 367 [2024-11-10 19:05:44,666 INFO L226 Difference]: Without dead ends: 364 [2024-11-10 19:05:44,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:44,667 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 119 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:44,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 181 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:05:44,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-10 19:05:44,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 316. [2024-11-10 19:05:44,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 237 states have (on average 1.379746835443038) internal successors, (327), 288 states have internal predecessors, (327), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:44,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 377 transitions. [2024-11-10 19:05:44,678 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 377 transitions. Word has length 78 [2024-11-10 19:05:44,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:44,678 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 377 transitions. [2024-11-10 19:05:44,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:05:44,678 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 377 transitions. [2024-11-10 19:05:44,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-10 19:05:44,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:44,679 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:44,692 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-10 19:05:44,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:44,880 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:44,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:44,880 INFO L85 PathProgramCache]: Analyzing trace with hash -12108143, now seen corresponding path program 1 times [2024-11-10 19:05:44,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:44,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640184487] [2024-11-10 19:05:44,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:44,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:44,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1877036931] [2024-11-10 19:05:44,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:44,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:44,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:44,895 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:44,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-10 19:05:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:44,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:05:44,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:45,189 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:05:45,189 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:45,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:45,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640184487] [2024-11-10 19:05:45,293 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:45,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877036931] [2024-11-10 19:05:45,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877036931] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:45,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:45,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:05:45,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781181675] [2024-11-10 19:05:45,294 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:45,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:05:45,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:45,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:05:45,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:05:45,295 INFO L87 Difference]: Start difference. First operand 316 states and 377 transitions. Second operand has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:05:45,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:45,880 INFO L93 Difference]: Finished difference Result 514 states and 639 transitions. [2024-11-10 19:05:45,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:05:45,880 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 84 [2024-11-10 19:05:45,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:45,882 INFO L225 Difference]: With dead ends: 514 [2024-11-10 19:05:45,882 INFO L226 Difference]: Without dead ends: 510 [2024-11-10 19:05:45,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:05:45,882 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 237 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:45,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 339 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:05:45,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-10 19:05:45,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 400. [2024-11-10 19:05:45,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 312 states have (on average 1.4134615384615385) internal successors, (441), 363 states have internal predecessors, (441), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-10 19:05:45,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 509 transitions. [2024-11-10 19:05:45,896 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 509 transitions. Word has length 84 [2024-11-10 19:05:45,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:45,897 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 509 transitions. [2024-11-10 19:05:45,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:05:45,897 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 509 transitions. [2024-11-10 19:05:45,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-10 19:05:45,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:45,898 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:45,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-10 19:05:46,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:46,103 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:46,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:46,103 INFO L85 PathProgramCache]: Analyzing trace with hash -375352348, now seen corresponding path program 1 times [2024-11-10 19:05:46,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:46,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842911939] [2024-11-10 19:05:46,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:46,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:46,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [683532625] [2024-11-10 19:05:46,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:46,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:46,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:46,125 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:46,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-10 19:05:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:46,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:05:46,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:46,429 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:05:46,429 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:47,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:47,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842911939] [2024-11-10 19:05:47,044 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:47,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683532625] [2024-11-10 19:05:47,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683532625] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:47,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:47,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:05:47,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896731769] [2024-11-10 19:05:47,045 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:47,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:05:47,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:47,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:05:47,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:05:47,046 INFO L87 Difference]: Start difference. First operand 400 states and 509 transitions. Second operand has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:05:47,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:47,537 INFO L93 Difference]: Finished difference Result 430 states and 534 transitions. [2024-11-10 19:05:47,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:05:47,538 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 85 [2024-11-10 19:05:47,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:47,539 INFO L225 Difference]: With dead ends: 430 [2024-11-10 19:05:47,539 INFO L226 Difference]: Without dead ends: 424 [2024-11-10 19:05:47,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:05:47,540 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 194 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:47,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 391 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:05:47,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-10 19:05:47,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 394. [2024-11-10 19:05:47,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 312 states have (on average 1.3653846153846154) internal successors, (426), 357 states have internal predecessors, (426), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-10 19:05:47,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 494 transitions. [2024-11-10 19:05:47,553 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 494 transitions. Word has length 85 [2024-11-10 19:05:47,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:47,553 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 494 transitions. [2024-11-10 19:05:47,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:05:47,557 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 494 transitions. [2024-11-10 19:05:47,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-10 19:05:47,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:47,558 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:47,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-10 19:05:47,758 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,SelfDestructingSolverStorable25 [2024-11-10 19:05:47,759 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:47,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:47,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1248979183, now seen corresponding path program 1 times [2024-11-10 19:05:47,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:47,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709200351] [2024-11-10 19:05:47,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:47,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:47,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2122128483] [2024-11-10 19:05:47,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:47,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:47,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:47,772 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:47,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-10 19:05:47,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 19:05:47,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:48,290 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:05:48,290 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:49,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:49,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709200351] [2024-11-10 19:05:49,646 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:49,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122128483] [2024-11-10 19:05:49,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122128483] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:49,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:49,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:05:49,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486999801] [2024-11-10 19:05:49,646 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:49,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:05:49,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:49,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:05:49,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=97, Unknown=1, NotChecked=0, Total=132 [2024-11-10 19:05:49,647 INFO L87 Difference]: Start difference. First operand 394 states and 494 transitions. Second operand has 9 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-10 19:05:50,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:50,574 INFO L93 Difference]: Finished difference Result 548 states and 710 transitions. [2024-11-10 19:05:50,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:05:50,574 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) Word has length 86 [2024-11-10 19:05:50,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:50,577 INFO L225 Difference]: With dead ends: 548 [2024-11-10 19:05:50,577 INFO L226 Difference]: Without dead ends: 541 [2024-11-10 19:05:50,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=81, Invalid=190, Unknown=1, NotChecked=0, Total=272 [2024-11-10 19:05:50,577 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 333 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:50,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 364 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:05:50,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-11-10 19:05:50,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 498. [2024-11-10 19:05:50,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 406 states have (on average 1.4064039408866995) internal successors, (571), 451 states have internal predecessors, (571), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-10 19:05:50,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 659 transitions. [2024-11-10 19:05:50,609 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 659 transitions. Word has length 86 [2024-11-10 19:05:50,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:50,609 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 659 transitions. [2024-11-10 19:05:50,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-10 19:05:50,609 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 659 transitions. [2024-11-10 19:05:50,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-10 19:05:50,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:50,610 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:50,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:50,814 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,SelfDestructingSolverStorable26 [2024-11-10 19:05:50,815 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:50,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:50,815 INFO L85 PathProgramCache]: Analyzing trace with hash 63649090, now seen corresponding path program 1 times [2024-11-10 19:05:50,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:50,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766382770] [2024-11-10 19:05:50,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:50,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:50,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1028622332] [2024-11-10 19:05:50,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:50,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:50,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:50,826 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:50,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-10 19:05:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:50,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 19:05:50,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:51,202 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:05:51,202 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:54,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:54,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766382770] [2024-11-10 19:05:54,508 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:54,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028622332] [2024-11-10 19:05:54,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028622332] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:54,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:54,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:05:54,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247566781] [2024-11-10 19:05:54,509 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:54,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:05:54,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:54,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:05:54,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=96, Unknown=2, NotChecked=0, Total=132 [2024-11-10 19:05:54,510 INFO L87 Difference]: Start difference. First operand 498 states and 659 transitions. Second operand has 9 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-10 19:05:55,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:55,325 INFO L93 Difference]: Finished difference Result 608 states and 802 transitions. [2024-11-10 19:05:55,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:05:55,326 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) Word has length 87 [2024-11-10 19:05:55,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:55,327 INFO L225 Difference]: With dead ends: 608 [2024-11-10 19:05:55,327 INFO L226 Difference]: Without dead ends: 606 [2024-11-10 19:05:55,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=81, Invalid=189, Unknown=2, NotChecked=0, Total=272 [2024-11-10 19:05:55,328 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 474 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 921 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:55,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 282 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 921 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:05:55,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2024-11-10 19:05:55,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 537. [2024-11-10 19:05:55,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 441 states have (on average 1.401360544217687) internal successors, (618), 486 states have internal predecessors, (618), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-10 19:05:55,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 714 transitions. [2024-11-10 19:05:55,348 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 714 transitions. Word has length 87 [2024-11-10 19:05:55,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:55,348 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 714 transitions. [2024-11-10 19:05:55,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-10 19:05:55,348 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 714 transitions. [2024-11-10 19:05:55,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-10 19:05:55,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:55,349 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:55,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-10 19:05:55,552 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,SelfDestructingSolverStorable27 [2024-11-10 19:05:55,553 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:55,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:55,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1973121869, now seen corresponding path program 1 times [2024-11-10 19:05:55,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:55,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225684827] [2024-11-10 19:05:55,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:55,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:55,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1267395468] [2024-11-10 19:05:55,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:55,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:55,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:55,566 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:55,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-10 19:05:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:55,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-10 19:05:55,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:56,071 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-10 19:05:56,072 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:56,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:56,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225684827] [2024-11-10 19:05:56,262 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:56,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267395468] [2024-11-10 19:05:56,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267395468] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:56,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:56,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:05:56,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890506731] [2024-11-10 19:05:56,263 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:56,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:05:56,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:56,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:05:56,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:05:56,264 INFO L87 Difference]: Start difference. First operand 537 states and 714 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-10 19:05:57,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:57,459 INFO L93 Difference]: Finished difference Result 606 states and 796 transitions. [2024-11-10 19:05:57,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:05:57,460 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 88 [2024-11-10 19:05:57,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:57,462 INFO L225 Difference]: With dead ends: 606 [2024-11-10 19:05:57,462 INFO L226 Difference]: Without dead ends: 602 [2024-11-10 19:05:57,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:05:57,462 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 428 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 1531 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:57,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 386 Invalid, 1560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1531 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 19:05:57,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-11-10 19:05:57,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 475. [2024-11-10 19:05:57,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 386 states have (on average 1.38860103626943) internal successors, (536), 431 states have internal predecessors, (536), 41 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-10 19:05:57,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 618 transitions. [2024-11-10 19:05:57,485 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 618 transitions. Word has length 88 [2024-11-10 19:05:57,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:57,485 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 618 transitions. [2024-11-10 19:05:57,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-10 19:05:57,485 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 618 transitions. [2024-11-10 19:05:57,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-10 19:05:57,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:57,486 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:57,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:57,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:57,687 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:57,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:57,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1037235872, now seen corresponding path program 1 times [2024-11-10 19:05:57,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:57,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718415073] [2024-11-10 19:05:57,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:57,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:57,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [422779801] [2024-11-10 19:05:57,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:57,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:57,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:57,702 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:57,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-10 19:05:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:57,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:05:57,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:57,984 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:05:57,985 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:58,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:58,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718415073] [2024-11-10 19:05:58,372 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:58,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422779801] [2024-11-10 19:05:58,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422779801] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:58,372 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:58,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:05:58,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351619725] [2024-11-10 19:05:58,373 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:58,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:05:58,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:58,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:05:58,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:05:58,375 INFO L87 Difference]: Start difference. First operand 475 states and 618 transitions. Second operand has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:05:59,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:59,231 INFO L93 Difference]: Finished difference Result 545 states and 710 transitions. [2024-11-10 19:05:59,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:05:59,231 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 89 [2024-11-10 19:05:59,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:59,233 INFO L225 Difference]: With dead ends: 545 [2024-11-10 19:05:59,233 INFO L226 Difference]: Without dead ends: 541 [2024-11-10 19:05:59,233 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:05:59,233 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 246 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:59,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 366 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:05:59,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-11-10 19:05:59,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 511. [2024-11-10 19:05:59,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 422 states have (on average 1.3815165876777251) internal successors, (583), 464 states have internal predecessors, (583), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-10 19:05:59,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 671 transitions. [2024-11-10 19:05:59,252 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 671 transitions. Word has length 89 [2024-11-10 19:05:59,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:59,252 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 671 transitions. [2024-11-10 19:05:59,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:05:59,252 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 671 transitions. [2024-11-10 19:05:59,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-10 19:05:59,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:59,253 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:59,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-10 19:05:59,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:59,453 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:59,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:59,454 INFO L85 PathProgramCache]: Analyzing trace with hash -337849590, now seen corresponding path program 1 times [2024-11-10 19:05:59,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:59,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373941757] [2024-11-10 19:05:59,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:59,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:59,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1204230454] [2024-11-10 19:05:59,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:59,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:59,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:59,464 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) [2024-11-10 19:05:59,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-10 19:05:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:59,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:05:59,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:59,766 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 3 proven. 26 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-10 19:05:59,766 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:59,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:59,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373941757] [2024-11-10 19:05:59,880 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:59,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204230454] [2024-11-10 19:05:59,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204230454] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:59,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:59,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:05:59,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111114392] [2024-11-10 19:05:59,881 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:59,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:05:59,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:59,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:05:59,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:05:59,882 INFO L87 Difference]: Start difference. First operand 511 states and 671 transitions. Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:06:00,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:00,335 INFO L93 Difference]: Finished difference Result 812 states and 1109 transitions. [2024-11-10 19:06:00,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:06:00,336 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 95 [2024-11-10 19:06:00,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:00,338 INFO L225 Difference]: With dead ends: 812 [2024-11-10 19:06:00,338 INFO L226 Difference]: Without dead ends: 810 [2024-11-10 19:06:00,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:06:00,339 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 207 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:00,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 328 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:06:00,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2024-11-10 19:06:00,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 752. [2024-11-10 19:06:00,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 637 states have (on average 1.4097331240188382) internal successors, (898), 679 states have internal predecessors, (898), 70 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-10 19:06:00,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1038 transitions. [2024-11-10 19:06:00,369 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1038 transitions. Word has length 95 [2024-11-10 19:06:00,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:00,369 INFO L471 AbstractCegarLoop]: Abstraction has 752 states and 1038 transitions. [2024-11-10 19:06:00,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:06:00,369 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1038 transitions. [2024-11-10 19:06:00,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-10 19:06:00,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:00,370 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:00,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:00,573 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,SelfDestructingSolverStorable30 [2024-11-10 19:06:00,577 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:00,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:00,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1883402626, now seen corresponding path program 1 times [2024-11-10 19:06:00,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:00,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788624373] [2024-11-10 19:06:00,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:00,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:00,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [556802179] [2024-11-10 19:06:00,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:00,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:00,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:00,595 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:00,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-10 19:06:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:00,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:06:00,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:00,975 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-10 19:06:00,976 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:01,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:01,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788624373] [2024-11-10 19:06:01,674 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:01,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556802179] [2024-11-10 19:06:01,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556802179] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:01,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:01,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:06:01,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758413530] [2024-11-10 19:06:01,675 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:01,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:06:01,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:01,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:06:01,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:06:01,676 INFO L87 Difference]: Start difference. First operand 752 states and 1038 transitions. Second operand has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:06:02,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:02,104 INFO L93 Difference]: Finished difference Result 757 states and 1041 transitions. [2024-11-10 19:06:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:06:02,105 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 96 [2024-11-10 19:06:02,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:02,107 INFO L225 Difference]: With dead ends: 757 [2024-11-10 19:06:02,107 INFO L226 Difference]: Without dead ends: 751 [2024-11-10 19:06:02,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:06:02,108 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 131 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:02,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 383 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:06:02,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2024-11-10 19:06:02,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 611. [2024-11-10 19:06:02,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 515 states have (on average 1.3223300970873786) internal successors, (681), 551 states have internal predecessors, (681), 57 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-10 19:06:02,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 795 transitions. [2024-11-10 19:06:02,138 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 795 transitions. Word has length 96 [2024-11-10 19:06:02,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:02,139 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 795 transitions. [2024-11-10 19:06:02,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:06:02,139 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 795 transitions. [2024-11-10 19:06:02,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-10 19:06:02,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:02,139 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:02,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:02,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-10 19:06:02,344 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:02,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:02,344 INFO L85 PathProgramCache]: Analyzing trace with hash -288500045, now seen corresponding path program 1 times [2024-11-10 19:06:02,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:02,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291586576] [2024-11-10 19:06:02,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:02,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:06:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:06:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:06:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:06:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:06:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:06:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 19:06:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 19:06:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 19:06:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,453 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-10 19:06:02,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:02,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291586576] [2024-11-10 19:06:02,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291586576] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:02,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427563603] [2024-11-10 19:06:02,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:02,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:02,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:02,455 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:02,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-10 19:06:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:06:02,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:02,694 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:02,695 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:06:02,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427563603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:06:02,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:02,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-10 19:06:02,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431489747] [2024-11-10 19:06:02,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:06:02,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:06:02,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:02,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:06:02,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:06:02,699 INFO L87 Difference]: Start difference. First operand 611 states and 795 transitions. Second operand has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-10 19:06:02,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:02,921 INFO L93 Difference]: Finished difference Result 614 states and 798 transitions. [2024-11-10 19:06:02,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:06:02,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 100 [2024-11-10 19:06:02,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:02,923 INFO L225 Difference]: With dead ends: 614 [2024-11-10 19:06:02,924 INFO L226 Difference]: Without dead ends: 613 [2024-11-10 19:06:02,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:06:02,924 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 15 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:02,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 107 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:06:02,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2024-11-10 19:06:02,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 612. [2024-11-10 19:06:02,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 516 states have (on average 1.321705426356589) internal successors, (682), 552 states have internal predecessors, (682), 57 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-10 19:06:02,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 796 transitions. [2024-11-10 19:06:02,971 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 796 transitions. Word has length 100 [2024-11-10 19:06:02,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:02,971 INFO L471 AbstractCegarLoop]: Abstraction has 612 states and 796 transitions. [2024-11-10 19:06:02,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-10 19:06:02,971 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 796 transitions. [2024-11-10 19:06:02,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-10 19:06:02,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:02,972 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:02,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-10 19:06:03,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:03,172 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:03,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:03,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1005193222, now seen corresponding path program 1 times [2024-11-10 19:06:03,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:03,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430199806] [2024-11-10 19:06:03,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:03,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:03,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [114382092] [2024-11-10 19:06:03,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:03,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:03,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:03,194 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:03,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-10 19:06:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:03,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-10 19:06:03,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:03,786 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-10 19:06:03,786 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:03,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:03,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430199806] [2024-11-10 19:06:03,938 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:03,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114382092] [2024-11-10 19:06:03,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114382092] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:03,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:03,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-10 19:06:03,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317107884] [2024-11-10 19:06:03,938 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:03,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:06:03,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:03,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:06:03,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:06:03,939 INFO L87 Difference]: Start difference. First operand 612 states and 796 transitions. Second operand has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 5 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:06:05,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:05,098 INFO L93 Difference]: Finished difference Result 808 states and 1072 transitions. [2024-11-10 19:06:05,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 19:06:05,099 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 5 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 5 states have call successors, (9) Word has length 99 [2024-11-10 19:06:05,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:05,101 INFO L225 Difference]: With dead ends: 808 [2024-11-10 19:06:05,101 INFO L226 Difference]: Without dead ends: 803 [2024-11-10 19:06:05,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:06:05,102 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 464 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 1767 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:05,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 322 Invalid, 1808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1767 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 19:06:05,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2024-11-10 19:06:05,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 622. [2024-11-10 19:06:05,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 525 states have (on average 1.339047619047619) internal successors, (703), 561 states have internal predecessors, (703), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-10 19:06:05,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 819 transitions. [2024-11-10 19:06:05,143 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 819 transitions. Word has length 99 [2024-11-10 19:06:05,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:05,144 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 819 transitions. [2024-11-10 19:06:05,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 5 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:06:05,144 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 819 transitions. [2024-11-10 19:06:05,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-10 19:06:05,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:05,144 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:05,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:05,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:05,345 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:05,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:05,345 INFO L85 PathProgramCache]: Analyzing trace with hash -353566829, now seen corresponding path program 1 times [2024-11-10 19:06:05,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:05,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767020176] [2024-11-10 19:06:05,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:05,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:05,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:05,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:06:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:05,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:06:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:05,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:06:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:05,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:06:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:05,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:06:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:05,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:06:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:05,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 19:06:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:05,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 19:06:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:05,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 19:06:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:05,514 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-10 19:06:05,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:05,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767020176] [2024-11-10 19:06:05,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767020176] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:05,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779118968] [2024-11-10 19:06:05,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:05,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:05,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:05,517 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:05,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-10 19:06:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:05,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:06:05,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:05,751 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:05,751 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:06:05,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779118968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:06:05,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:05,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-11-10 19:06:05,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609530426] [2024-11-10 19:06:05,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:06:05,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:06:05,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:05,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:06:05,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:06:05,753 INFO L87 Difference]: Start difference. First operand 622 states and 819 transitions. Second operand has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-10 19:06:06,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:06,050 INFO L93 Difference]: Finished difference Result 625 states and 821 transitions. [2024-11-10 19:06:06,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:06:06,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 101 [2024-11-10 19:06:06,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:06,053 INFO L225 Difference]: With dead ends: 625 [2024-11-10 19:06:06,053 INFO L226 Difference]: Without dead ends: 595 [2024-11-10 19:06:06,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:06:06,053 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 14 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:06,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 109 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:06:06,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2024-11-10 19:06:06,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 595. [2024-11-10 19:06:06,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 501 states have (on average 1.3512974051896207) internal successors, (677), 537 states have internal predecessors, (677), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-10 19:06:06,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 787 transitions. [2024-11-10 19:06:06,087 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 787 transitions. Word has length 101 [2024-11-10 19:06:06,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:06,087 INFO L471 AbstractCegarLoop]: Abstraction has 595 states and 787 transitions. [2024-11-10 19:06:06,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-10 19:06:06,087 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 787 transitions. [2024-11-10 19:06:06,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-10 19:06:06,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:06,088 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:06,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:06,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:06,289 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:06,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:06,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1096218874, now seen corresponding path program 1 times [2024-11-10 19:06:06,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:06,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213189702] [2024-11-10 19:06:06,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:06,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:06,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1273517] [2024-11-10 19:06:06,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:06,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:06,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:06,303 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:06,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-10 19:06:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:06,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:06:06,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:06,536 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-10 19:06:06,536 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:06,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:06,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213189702] [2024-11-10 19:06:06,898 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:06,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273517] [2024-11-10 19:06:06,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273517] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:06,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:06,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:06:06,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243404281] [2024-11-10 19:06:06,898 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:06,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:06:06,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:06,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:06:06,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:06:06,899 INFO L87 Difference]: Start difference. First operand 595 states and 787 transitions. Second operand has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-10 19:06:08,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:08,009 INFO L93 Difference]: Finished difference Result 606 states and 798 transitions. [2024-11-10 19:06:08,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:06:08,010 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 100 [2024-11-10 19:06:08,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:08,011 INFO L225 Difference]: With dead ends: 606 [2024-11-10 19:06:08,012 INFO L226 Difference]: Without dead ends: 602 [2024-11-10 19:06:08,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:06:08,012 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 148 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:08,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 349 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 19:06:08,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-11-10 19:06:08,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 599. [2024-11-10 19:06:08,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 507 states have (on average 1.3214990138067062) internal successors, (670), 540 states have internal predecessors, (670), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-10 19:06:08,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 782 transitions. [2024-11-10 19:06:08,046 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 782 transitions. Word has length 100 [2024-11-10 19:06:08,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:08,046 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 782 transitions. [2024-11-10 19:06:08,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-10 19:06:08,046 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 782 transitions. [2024-11-10 19:06:08,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 19:06:08,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:08,047 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:08,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:08,247 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,SelfDestructingSolverStorable35 [2024-11-10 19:06:08,248 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:08,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:08,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1031414978, now seen corresponding path program 1 times [2024-11-10 19:06:08,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:08,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206477397] [2024-11-10 19:06:08,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:08,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:08,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:08,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:06:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:08,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:06:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:08,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:06:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:08,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:06:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:08,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:06:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:08,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:06:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:08,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:06:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:08,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:06:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:08,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:06:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:08,328 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:08,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:08,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206477397] [2024-11-10 19:06:08,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206477397] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:08,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092103165] [2024-11-10 19:06:08,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:08,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:08,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:08,330 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:08,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-10 19:06:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:08,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:06:08,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:08,507 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:08,507 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:08,632 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:08,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092103165] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:06:08,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:06:08,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-10 19:06:08,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188025193] [2024-11-10 19:06:08,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:08,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:06:08,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:08,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:06:08,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:06:08,634 INFO L87 Difference]: Start difference. First operand 599 states and 782 transitions. Second operand has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-10 19:06:09,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:09,504 INFO L93 Difference]: Finished difference Result 1007 states and 1300 transitions. [2024-11-10 19:06:09,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-10 19:06:09,504 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 109 [2024-11-10 19:06:09,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:09,507 INFO L225 Difference]: With dead ends: 1007 [2024-11-10 19:06:09,507 INFO L226 Difference]: Without dead ends: 1006 [2024-11-10 19:06:09,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=582, Invalid=1580, Unknown=0, NotChecked=0, Total=2162 [2024-11-10 19:06:09,508 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 1289 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1289 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:09,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1289 Valid, 630 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:06:09,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2024-11-10 19:06:09,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 791. [2024-11-10 19:06:09,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 681 states have (on average 1.3465491923641704) internal successors, (917), 714 states have internal predecessors, (917), 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) [2024-11-10 19:06:09,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1065 transitions. [2024-11-10 19:06:09,542 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1065 transitions. Word has length 109 [2024-11-10 19:06:09,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:09,543 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1065 transitions. [2024-11-10 19:06:09,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-10 19:06:09,543 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1065 transitions. [2024-11-10 19:06:09,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 19:06:09,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:09,544 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:09,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-10 19:06:09,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-10 19:06:09,745 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:09,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:09,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1773845457, now seen corresponding path program 1 times [2024-11-10 19:06:09,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:09,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264445725] [2024-11-10 19:06:09,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:09,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:09,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:09,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:06:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:09,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:06:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:09,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:06:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:09,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:06:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:09,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:06:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:09,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:06:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:09,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:06:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:09,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:06:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:09,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:06:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:09,818 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:09,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:09,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264445725] [2024-11-10 19:06:09,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264445725] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:09,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888926092] [2024-11-10 19:06:09,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:09,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:09,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:09,820 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:09,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-10 19:06:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:09,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:06:09,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:10,014 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:10,014 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:10,151 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:10,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888926092] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:06:10,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:06:10,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 15 [2024-11-10 19:06:10,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616472581] [2024-11-10 19:06:10,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:10,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 19:06:10,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:10,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 19:06:10,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:06:10,154 INFO L87 Difference]: Start difference. First operand 791 states and 1065 transitions. Second operand has 16 states, 15 states have (on average 12.0) internal successors, (180), 16 states have internal predecessors, (180), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-10 19:06:11,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:11,113 INFO L93 Difference]: Finished difference Result 1225 states and 1608 transitions. [2024-11-10 19:06:11,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-10 19:06:11,113 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 12.0) internal successors, (180), 16 states have internal predecessors, (180), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 109 [2024-11-10 19:06:11,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:11,116 INFO L225 Difference]: With dead ends: 1225 [2024-11-10 19:06:11,117 INFO L226 Difference]: Without dead ends: 1224 [2024-11-10 19:06:11,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 791 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=731, Invalid=2025, Unknown=0, NotChecked=0, Total=2756 [2024-11-10 19:06:11,118 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 1180 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:11,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 574 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:06:11,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2024-11-10 19:06:11,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1035. [2024-11-10 19:06:11,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 903 states have (on average 1.3676633444075303) internal successors, (1235), 936 states have internal predecessors, (1235), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-10 19:06:11,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1427 transitions. [2024-11-10 19:06:11,180 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1427 transitions. Word has length 109 [2024-11-10 19:06:11,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:11,181 INFO L471 AbstractCegarLoop]: Abstraction has 1035 states and 1427 transitions. [2024-11-10 19:06:11,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 12.0) internal successors, (180), 16 states have internal predecessors, (180), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-10 19:06:11,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1427 transitions. [2024-11-10 19:06:11,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 19:06:11,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:11,182 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:11,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:11,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-10 19:06:11,383 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:11,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:11,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1773844016, now seen corresponding path program 1 times [2024-11-10 19:06:11,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:11,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831628032] [2024-11-10 19:06:11,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:11,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:11,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:11,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:06:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:11,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:06:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:11,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:06:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:11,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:06:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:11,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:06:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:11,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:06:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:11,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:06:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:11,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:06:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:11,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:06:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:11,482 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:11,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:11,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831628032] [2024-11-10 19:06:11,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831628032] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:11,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20392975] [2024-11-10 19:06:11,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:11,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:11,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:11,484 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:11,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-10 19:06:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:11,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:06:11,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:11,722 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:11,722 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:11,860 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:11,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20392975] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:06:11,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:06:11,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-10 19:06:11,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421034395] [2024-11-10 19:06:11,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:11,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:06:11,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:11,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:06:11,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:06:11,862 INFO L87 Difference]: Start difference. First operand 1035 states and 1427 transitions. Second operand has 13 states, 12 states have (on average 15.0) internal successors, (180), 13 states have internal predecessors, (180), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-11-10 19:06:12,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:12,478 INFO L93 Difference]: Finished difference Result 1284 states and 1702 transitions. [2024-11-10 19:06:12,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 19:06:12,478 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.0) internal successors, (180), 13 states have internal predecessors, (180), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) Word has length 109 [2024-11-10 19:06:12,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:12,482 INFO L225 Difference]: With dead ends: 1284 [2024-11-10 19:06:12,482 INFO L226 Difference]: Without dead ends: 1283 [2024-11-10 19:06:12,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2024-11-10 19:06:12,483 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 750 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:12,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [753 Valid, 547 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:06:12,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2024-11-10 19:06:12,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1105. [2024-11-10 19:06:12,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 967 states have (on average 1.3516028955532575) internal successors, (1307), 1000 states have internal predecessors, (1307), 102 states have call successors, (102), 2 states have call predecessors, (102), 2 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-10 19:06:12,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1511 transitions. [2024-11-10 19:06:12,546 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1511 transitions. Word has length 109 [2024-11-10 19:06:12,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:12,546 INFO L471 AbstractCegarLoop]: Abstraction has 1105 states and 1511 transitions. [2024-11-10 19:06:12,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.0) internal successors, (180), 13 states have internal predecessors, (180), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-11-10 19:06:12,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1511 transitions. [2024-11-10 19:06:12,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-10 19:06:12,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:12,547 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:12,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:12,749 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,SelfDestructingSolverStorable38 [2024-11-10 19:06:12,749 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:12,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:12,749 INFO L85 PathProgramCache]: Analyzing trace with hash 437918862, now seen corresponding path program 1 times [2024-11-10 19:06:12,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:12,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037021862] [2024-11-10 19:06:12,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:12,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:12,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:12,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:06:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:12,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:06:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:12,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:06:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:12,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:06:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:12,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:06:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:12,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:06:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:12,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:06:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:12,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:06:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:12,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:06:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:12,806 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:12,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:12,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037021862] [2024-11-10 19:06:12,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037021862] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:12,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284718201] [2024-11-10 19:06:12,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:12,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:12,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:12,808 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:12,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-10 19:06:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:12,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:06:12,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:12,993 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:12,994 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:13,096 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:13,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284718201] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:06:13,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:06:13,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-10 19:06:13,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969593484] [2024-11-10 19:06:13,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:13,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:06:13,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:13,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:06:13,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:06:13,098 INFO L87 Difference]: Start difference. First operand 1105 states and 1511 transitions. Second operand has 8 states, 7 states have (on average 26.142857142857142) internal successors, (183), 8 states have internal predecessors, (183), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-10 19:06:13,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:13,634 INFO L93 Difference]: Finished difference Result 1609 states and 2205 transitions. [2024-11-10 19:06:13,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:06:13,634 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.142857142857142) internal successors, (183), 8 states have internal predecessors, (183), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 111 [2024-11-10 19:06:13,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:13,638 INFO L225 Difference]: With dead ends: 1609 [2024-11-10 19:06:13,638 INFO L226 Difference]: Without dead ends: 1607 [2024-11-10 19:06:13,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:06:13,639 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 255 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:13,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 315 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:06:13,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2024-11-10 19:06:13,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1327. [2024-11-10 19:06:13,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1327 states, 1171 states have (on average 1.3535439795046968) internal successors, (1585), 1204 states have internal predecessors, (1585), 120 states have call successors, (120), 2 states have call predecessors, (120), 2 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-10 19:06:13,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1825 transitions. [2024-11-10 19:06:13,700 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1825 transitions. Word has length 111 [2024-11-10 19:06:13,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:13,700 INFO L471 AbstractCegarLoop]: Abstraction has 1327 states and 1825 transitions. [2024-11-10 19:06:13,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.142857142857142) internal successors, (183), 8 states have internal predecessors, (183), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-10 19:06:13,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1825 transitions. [2024-11-10 19:06:13,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-10 19:06:13,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:13,701 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:13,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:13,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-10 19:06:13,902 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:13,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:13,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1896410490, now seen corresponding path program 1 times [2024-11-10 19:06:13,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:13,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342765374] [2024-11-10 19:06:13,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:13,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:13,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:13,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:06:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:13,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:06:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:13,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:06:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:13,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:06:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:13,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:06:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:13,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:06:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:13,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:06:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:13,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:06:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:13,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:06:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:13,977 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:13,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:13,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342765374] [2024-11-10 19:06:13,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342765374] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:13,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678683128] [2024-11-10 19:06:13,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:13,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:13,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:13,981 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:13,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-10 19:06:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:14,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:06:14,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:14,174 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:14,174 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:14,280 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:14,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678683128] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:06:14,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:06:14,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-10 19:06:14,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41752932] [2024-11-10 19:06:14,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:14,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:06:14,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:14,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:06:14,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:06:14,282 INFO L87 Difference]: Start difference. First operand 1327 states and 1825 transitions. Second operand has 8 states, 7 states have (on average 27.428571428571427) internal successors, (192), 8 states have internal predecessors, (192), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-10 19:06:15,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:15,020 INFO L93 Difference]: Finished difference Result 1926 states and 2650 transitions. [2024-11-10 19:06:15,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:06:15,020 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 27.428571428571427) internal successors, (192), 8 states have internal predecessors, (192), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 114 [2024-11-10 19:06:15,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:15,028 INFO L225 Difference]: With dead ends: 1926 [2024-11-10 19:06:15,028 INFO L226 Difference]: Without dead ends: 1924 [2024-11-10 19:06:15,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:06:15,029 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 275 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:15,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 366 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:06:15,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1924 states. [2024-11-10 19:06:15,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1924 to 1634. [2024-11-10 19:06:15,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1634 states, 1454 states have (on average 1.342503438789546) internal successors, (1952), 1487 states have internal predecessors, (1952), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-10 19:06:15,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 2240 transitions. [2024-11-10 19:06:15,123 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 2240 transitions. Word has length 114 [2024-11-10 19:06:15,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:15,123 INFO L471 AbstractCegarLoop]: Abstraction has 1634 states and 2240 transitions. [2024-11-10 19:06:15,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 27.428571428571427) internal successors, (192), 8 states have internal predecessors, (192), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-10 19:06:15,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2240 transitions. [2024-11-10 19:06:15,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-10 19:06:15,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:15,124 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:15,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:15,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:15,325 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:15,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:15,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1009447841, now seen corresponding path program 1 times [2024-11-10 19:06:15,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:15,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603433336] [2024-11-10 19:06:15,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:15,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:15,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:15,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:06:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:15,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:06:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:15,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:06:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:15,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:06:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:15,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:06:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:15,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:06:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:15,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:06:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:15,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:06:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:15,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:06:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:15,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 19:06:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:15,443 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-10 19:06:15,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:15,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603433336] [2024-11-10 19:06:15,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603433336] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:15,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351089109] [2024-11-10 19:06:15,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:15,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:15,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:15,446 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:15,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-10 19:06:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:15,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:06:15,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:15,519 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-10 19:06:15,519 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:15,601 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-10 19:06:15,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351089109] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:06:15,602 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:06:15,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-11-10 19:06:15,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209468738] [2024-11-10 19:06:15,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:15,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:06:15,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:15,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:06:15,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:06:15,603 INFO L87 Difference]: Start difference. First operand 1634 states and 2240 transitions. Second operand has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-10 19:06:16,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:16,394 INFO L93 Difference]: Finished difference Result 1636 states and 2242 transitions. [2024-11-10 19:06:16,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:06:16,395 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) Word has length 120 [2024-11-10 19:06:16,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:16,399 INFO L225 Difference]: With dead ends: 1636 [2024-11-10 19:06:16,399 INFO L226 Difference]: Without dead ends: 1635 [2024-11-10 19:06:16,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:06:16,400 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 124 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:16,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 135 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:06:16,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2024-11-10 19:06:16,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1633. [2024-11-10 19:06:16,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1633 states, 1454 states have (on average 1.3397524071526823) internal successors, (1948), 1486 states have internal predecessors, (1948), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-10 19:06:16,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 1633 states and 2236 transitions. [2024-11-10 19:06:16,478 INFO L78 Accepts]: Start accepts. Automaton has 1633 states and 2236 transitions. Word has length 120 [2024-11-10 19:06:16,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:16,479 INFO L471 AbstractCegarLoop]: Abstraction has 1633 states and 2236 transitions. [2024-11-10 19:06:16,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-10 19:06:16,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1633 states and 2236 transitions. [2024-11-10 19:06:16,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-10 19:06:16,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:16,479 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:16,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-10 19:06:16,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:16,680 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:16,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:16,681 INFO L85 PathProgramCache]: Analyzing trace with hash 919036914, now seen corresponding path program 1 times [2024-11-10 19:06:16,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:16,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120282010] [2024-11-10 19:06:16,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:16,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:16,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1651569805] [2024-11-10 19:06:16,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:16,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:16,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:16,696 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:16,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-10 19:06:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:16,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:06:16,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:17,073 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:17,073 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:18,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:18,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120282010] [2024-11-10 19:06:18,588 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:18,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651569805] [2024-11-10 19:06:18,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651569805] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:18,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:18,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:06:18,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743925060] [2024-11-10 19:06:18,588 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:18,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:06:18,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:18,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:06:18,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=33, Unknown=1, NotChecked=0, Total=56 [2024-11-10 19:06:18,589 INFO L87 Difference]: Start difference. First operand 1633 states and 2236 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:19,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:19,333 INFO L93 Difference]: Finished difference Result 1698 states and 2323 transitions. [2024-11-10 19:06:19,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:06:19,334 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 119 [2024-11-10 19:06:19,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:19,338 INFO L225 Difference]: With dead ends: 1698 [2024-11-10 19:06:19,338 INFO L226 Difference]: Without dead ends: 1694 [2024-11-10 19:06:19,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=63, Invalid=92, Unknown=1, NotChecked=0, Total=156 [2024-11-10 19:06:19,338 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 154 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:19,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 333 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:06:19,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2024-11-10 19:06:19,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1629. [2024-11-10 19:06:19,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1629 states, 1454 states have (on average 1.2916093535075652) internal successors, (1878), 1482 states have internal predecessors, (1878), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-10 19:06:19,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1629 states and 2166 transitions. [2024-11-10 19:06:19,416 INFO L78 Accepts]: Start accepts. Automaton has 1629 states and 2166 transitions. Word has length 119 [2024-11-10 19:06:19,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:19,416 INFO L471 AbstractCegarLoop]: Abstraction has 1629 states and 2166 transitions. [2024-11-10 19:06:19,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:19,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1629 states and 2166 transitions. [2024-11-10 19:06:19,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-10 19:06:19,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:19,417 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:19,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:19,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:19,618 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:19,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:19,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1228111991, now seen corresponding path program 1 times [2024-11-10 19:06:19,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:19,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433899025] [2024-11-10 19:06:19,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:19,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:06:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:06:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:06:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:06:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:06:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:06:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:06:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:06:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:06:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 19:06:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,683 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-10 19:06:19,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:19,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433899025] [2024-11-10 19:06:19,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433899025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:06:19,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:06:19,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:06:19,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589198151] [2024-11-10 19:06:19,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:06:19,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:06:19,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:19,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:06:19,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:06:19,685 INFO L87 Difference]: Start difference. First operand 1629 states and 2166 transitions. Second operand has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-10 19:06:21,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:21,191 INFO L93 Difference]: Finished difference Result 1635 states and 2167 transitions. [2024-11-10 19:06:21,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:06:21,191 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 121 [2024-11-10 19:06:21,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:21,200 INFO L225 Difference]: With dead ends: 1635 [2024-11-10 19:06:21,200 INFO L226 Difference]: Without dead ends: 1623 [2024-11-10 19:06:21,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:06:21,201 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 159 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:21,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 221 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 19:06:21,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2024-11-10 19:06:21,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1617. [2024-11-10 19:06:21,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1617 states, 1444 states have (on average 1.2887811634349031) internal successors, (1861), 1471 states have internal predecessors, (1861), 143 states have call successors, (143), 2 states have call predecessors, (143), 2 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2024-11-10 19:06:21,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1617 states and 2147 transitions. [2024-11-10 19:06:21,384 INFO L78 Accepts]: Start accepts. Automaton has 1617 states and 2147 transitions. Word has length 121 [2024-11-10 19:06:21,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:21,385 INFO L471 AbstractCegarLoop]: Abstraction has 1617 states and 2147 transitions. [2024-11-10 19:06:21,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-10 19:06:21,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 2147 transitions. [2024-11-10 19:06:21,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-10 19:06:21,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:21,389 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:21,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-10 19:06:21,389 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:21,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:21,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1574626640, now seen corresponding path program 1 times [2024-11-10 19:06:21,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:21,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194612418] [2024-11-10 19:06:21,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:21,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:21,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [602991233] [2024-11-10 19:06:21,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:21,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:21,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:21,412 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:21,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-10 19:06:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:21,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:06:21,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:21,964 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:21,964 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:22,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:22,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194612418] [2024-11-10 19:06:22,417 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:22,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602991233] [2024-11-10 19:06:22,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602991233] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:22,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:22,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:06:22,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510032689] [2024-11-10 19:06:22,418 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:22,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:06:22,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:22,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:06:22,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:06:22,418 INFO L87 Difference]: Start difference. First operand 1617 states and 2147 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:22,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:22,920 INFO L93 Difference]: Finished difference Result 1678 states and 2220 transitions. [2024-11-10 19:06:22,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:06:22,920 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 120 [2024-11-10 19:06:22,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:22,924 INFO L225 Difference]: With dead ends: 1678 [2024-11-10 19:06:22,924 INFO L226 Difference]: Without dead ends: 1676 [2024-11-10 19:06:22,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:06:22,925 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 90 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:22,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 191 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:06:22,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1676 states. [2024-11-10 19:06:23,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1676 to 1633. [2024-11-10 19:06:23,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1633 states, 1458 states have (on average 1.286008230452675) internal successors, (1875), 1485 states have internal predecessors, (1875), 145 states have call successors, (145), 2 states have call predecessors, (145), 2 states have return successors, (145), 145 states have call predecessors, (145), 145 states have call successors, (145) [2024-11-10 19:06:23,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 1633 states and 2165 transitions. [2024-11-10 19:06:23,013 INFO L78 Accepts]: Start accepts. Automaton has 1633 states and 2165 transitions. Word has length 120 [2024-11-10 19:06:23,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:23,013 INFO L471 AbstractCegarLoop]: Abstraction has 1633 states and 2165 transitions. [2024-11-10 19:06:23,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:23,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1633 states and 2165 transitions. [2024-11-10 19:06:23,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-10 19:06:23,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:23,014 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:23,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:23,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-10 19:06:23,215 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:23,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:23,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1231054288, now seen corresponding path program 2 times [2024-11-10 19:06:23,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:23,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521352498] [2024-11-10 19:06:23,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:23,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:23,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1510490247] [2024-11-10 19:06:23,224 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:06:23,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:23,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:23,226 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:23,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-10 19:06:23,267 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:06:23,268 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:06:23,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:06:23,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:23,590 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:23,590 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:24,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:24,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521352498] [2024-11-10 19:06:24,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:24,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510490247] [2024-11-10 19:06:24,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510490247] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:24,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:24,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:06:24,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689044968] [2024-11-10 19:06:24,105 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:24,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:06:24,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:24,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:06:24,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:06:24,105 INFO L87 Difference]: Start difference. First operand 1633 states and 2165 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:24,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:24,704 INFO L93 Difference]: Finished difference Result 1697 states and 2239 transitions. [2024-11-10 19:06:24,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:06:24,704 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 120 [2024-11-10 19:06:24,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:24,707 INFO L225 Difference]: With dead ends: 1697 [2024-11-10 19:06:24,707 INFO L226 Difference]: Without dead ends: 1693 [2024-11-10 19:06:24,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:06:24,708 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 126 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:24,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 236 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:06:24,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2024-11-10 19:06:24,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 1669. [2024-11-10 19:06:24,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1490 states have (on average 1.280536912751678) internal successors, (1908), 1517 states have internal predecessors, (1908), 149 states have call successors, (149), 2 states have call predecessors, (149), 2 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-10 19:06:24,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2206 transitions. [2024-11-10 19:06:24,805 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2206 transitions. Word has length 120 [2024-11-10 19:06:24,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:24,806 INFO L471 AbstractCegarLoop]: Abstraction has 1669 states and 2206 transitions. [2024-11-10 19:06:24,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:24,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2206 transitions. [2024-11-10 19:06:24,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-10 19:06:24,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:24,807 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:24,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-11-10 19:06:25,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-10 19:06:25,010 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:25,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:25,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1387709778, now seen corresponding path program 1 times [2024-11-10 19:06:25,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:25,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350481636] [2024-11-10 19:06:25,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:25,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:25,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1905210270] [2024-11-10 19:06:25,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:25,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:25,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:25,030 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:25,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-10 19:06:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:25,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:06:25,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:25,356 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:25,356 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:25,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:25,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350481636] [2024-11-10 19:06:25,724 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:25,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905210270] [2024-11-10 19:06:25,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905210270] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:25,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:25,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-10 19:06:25,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896455136] [2024-11-10 19:06:25,724 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:25,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:06:25,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:25,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:06:25,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:06:25,725 INFO L87 Difference]: Start difference. First operand 1669 states and 2206 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:26,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:26,127 INFO L93 Difference]: Finished difference Result 1685 states and 2226 transitions. [2024-11-10 19:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:06:26,127 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 122 [2024-11-10 19:06:26,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:26,130 INFO L225 Difference]: With dead ends: 1685 [2024-11-10 19:06:26,130 INFO L226 Difference]: Without dead ends: 1683 [2024-11-10 19:06:26,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:06:26,130 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 81 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:26,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 249 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:06:26,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1683 states. [2024-11-10 19:06:26,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1683 to 1669. [2024-11-10 19:06:26,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1490 states have (on average 1.2791946308724833) internal successors, (1906), 1517 states have internal predecessors, (1906), 149 states have call successors, (149), 2 states have call predecessors, (149), 2 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-10 19:06:26,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2204 transitions. [2024-11-10 19:06:26,215 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2204 transitions. Word has length 122 [2024-11-10 19:06:26,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:26,215 INFO L471 AbstractCegarLoop]: Abstraction has 1669 states and 2204 transitions. [2024-11-10 19:06:26,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:26,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2204 transitions. [2024-11-10 19:06:26,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-10 19:06:26,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:26,216 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:26,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-10 19:06:26,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-10 19:06:26,420 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:26,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:26,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1927161298, now seen corresponding path program 2 times [2024-11-10 19:06:26,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:26,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835912603] [2024-11-10 19:06:26,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:26,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:26,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1807164141] [2024-11-10 19:06:26,428 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:06:26,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:26,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:26,430 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:26,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-10 19:06:26,473 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:06:26,473 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:06:26,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:06:26,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:26,778 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:26,778 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:27,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:27,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835912603] [2024-11-10 19:06:27,243 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:27,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807164141] [2024-11-10 19:06:27,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807164141] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:27,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:27,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-10 19:06:27,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208380332] [2024-11-10 19:06:27,243 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:27,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:06:27,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:27,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:06:27,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:06:27,244 INFO L87 Difference]: Start difference. First operand 1669 states and 2204 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:27,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:27,805 INFO L93 Difference]: Finished difference Result 1694 states and 2233 transitions. [2024-11-10 19:06:27,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:06:27,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 122 [2024-11-10 19:06:27,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:27,808 INFO L225 Difference]: With dead ends: 1694 [2024-11-10 19:06:27,808 INFO L226 Difference]: Without dead ends: 1692 [2024-11-10 19:06:27,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:06:27,809 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 130 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:27,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 212 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:06:27,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states. [2024-11-10 19:06:27,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 1669. [2024-11-10 19:06:27,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1490 states have (on average 1.2778523489932887) internal successors, (1904), 1517 states have internal predecessors, (1904), 149 states have call successors, (149), 2 states have call predecessors, (149), 2 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-10 19:06:27,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2202 transitions. [2024-11-10 19:06:27,912 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2202 transitions. Word has length 122 [2024-11-10 19:06:27,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:27,913 INFO L471 AbstractCegarLoop]: Abstraction has 1669 states and 2202 transitions. [2024-11-10 19:06:27,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:27,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2202 transitions. [2024-11-10 19:06:27,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-10 19:06:27,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:27,913 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:27,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-11-10 19:06:28,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-10 19:06:28,116 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:28,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:28,117 INFO L85 PathProgramCache]: Analyzing trace with hash -69330066, now seen corresponding path program 1 times [2024-11-10 19:06:28,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:28,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444383707] [2024-11-10 19:06:28,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:28,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:28,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2927514] [2024-11-10 19:06:28,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:28,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:28,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:28,142 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:28,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-10 19:06:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:28,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 19:06:28,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:28,571 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:28,571 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:29,515 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-10 19:06:29,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:29,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444383707] [2024-11-10 19:06:29,516 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:29,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2927514] [2024-11-10 19:06:29,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2927514] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:29,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:29,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-10 19:06:29,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955295736] [2024-11-10 19:06:29,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:06:29,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:06:29,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:29,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:06:29,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:06:29,517 INFO L87 Difference]: Start difference. First operand 1669 states and 2202 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:06:31,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:31,506 INFO L93 Difference]: Finished difference Result 1669 states and 2202 transitions. [2024-11-10 19:06:31,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:06:31,506 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 123 [2024-11-10 19:06:31,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:31,509 INFO L225 Difference]: With dead ends: 1669 [2024-11-10 19:06:31,509 INFO L226 Difference]: Without dead ends: 1668 [2024-11-10 19:06:31,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 235 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:06:31,510 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 94 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:31,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 144 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-10 19:06:31,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2024-11-10 19:06:31,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1668. [2024-11-10 19:06:31,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1668 states, 1490 states have (on average 1.2563758389261745) internal successors, (1872), 1516 states have internal predecessors, (1872), 149 states have call successors, (149), 2 states have call predecessors, (149), 2 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-10 19:06:31,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2170 transitions. [2024-11-10 19:06:31,622 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2170 transitions. Word has length 123 [2024-11-10 19:06:31,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:31,623 INFO L471 AbstractCegarLoop]: Abstraction has 1668 states and 2170 transitions. [2024-11-10 19:06:31,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:06:31,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2170 transitions. [2024-11-10 19:06:31,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-10 19:06:31,623 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:31,623 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:31,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-10 19:06:31,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:31,825 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:31,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:31,825 INFO L85 PathProgramCache]: Analyzing trace with hash 2145735340, now seen corresponding path program 1 times [2024-11-10 19:06:31,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:31,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414341755] [2024-11-10 19:06:31,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:31,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:31,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1633431335] [2024-11-10 19:06:31,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:31,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:31,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:31,851 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:31,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-10 19:06:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:31,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:06:31,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:32,252 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:32,252 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:32,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:32,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414341755] [2024-11-10 19:06:32,941 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:32,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633431335] [2024-11-10 19:06:32,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633431335] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:32,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:32,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:06:32,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287749675] [2024-11-10 19:06:32,941 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:32,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:06:32,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:32,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:06:32,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:06:32,942 INFO L87 Difference]: Start difference. First operand 1668 states and 2170 transitions. Second operand has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:33,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:33,577 INFO L93 Difference]: Finished difference Result 1717 states and 2236 transitions. [2024-11-10 19:06:33,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:06:33,577 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 124 [2024-11-10 19:06:33,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:33,579 INFO L225 Difference]: With dead ends: 1717 [2024-11-10 19:06:33,579 INFO L226 Difference]: Without dead ends: 1713 [2024-11-10 19:06:33,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:06:33,580 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 240 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:33,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 324 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:06:33,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2024-11-10 19:06:33,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1696. [2024-11-10 19:06:33,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1696 states, 1515 states have (on average 1.2455445544554455) internal successors, (1887), 1541 states have internal predecessors, (1887), 152 states have call successors, (152), 2 states have call predecessors, (152), 2 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-10 19:06:33,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2191 transitions. [2024-11-10 19:06:33,709 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2191 transitions. Word has length 124 [2024-11-10 19:06:33,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:33,709 INFO L471 AbstractCegarLoop]: Abstraction has 1696 states and 2191 transitions. [2024-11-10 19:06:33,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:33,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2191 transitions. [2024-11-10 19:06:33,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-10 19:06:33,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:33,716 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:33,742 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-11-10 19:06:33,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-10 19:06:33,917 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:33,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:33,918 INFO L85 PathProgramCache]: Analyzing trace with hash -871099860, now seen corresponding path program 2 times [2024-11-10 19:06:33,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:33,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612621069] [2024-11-10 19:06:33,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:33,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:33,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1433962816] [2024-11-10 19:06:33,928 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:06:33,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:33,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:33,930 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:33,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-10 19:06:33,969 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:06:33,970 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:06:33,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 19:06:33,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:34,348 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:34,348 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:34,872 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-11-10 19:06:34,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:34,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612621069] [2024-11-10 19:06:34,872 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:34,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433962816] [2024-11-10 19:06:34,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433962816] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:34,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:34,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-10 19:06:34,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403830936] [2024-11-10 19:06:34,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:06:34,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:06:34,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:34,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:06:34,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:06:34,874 INFO L87 Difference]: Start difference. First operand 1696 states and 2191 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:06:37,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:37,273 INFO L93 Difference]: Finished difference Result 1696 states and 2191 transitions. [2024-11-10 19:06:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:06:37,274 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 124 [2024-11-10 19:06:37,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:37,276 INFO L225 Difference]: With dead ends: 1696 [2024-11-10 19:06:37,277 INFO L226 Difference]: Without dead ends: 1693 [2024-11-10 19:06:37,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 237 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:06:37,277 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 94 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:37,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 144 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-10 19:06:37,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2024-11-10 19:06:37,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 1687. [2024-11-10 19:06:37,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1687 states, 1509 states have (on average 1.2306163021868788) internal successors, (1857), 1532 states have internal predecessors, (1857), 152 states have call successors, (152), 2 states have call predecessors, (152), 2 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-10 19:06:37,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2161 transitions. [2024-11-10 19:06:37,389 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2161 transitions. Word has length 124 [2024-11-10 19:06:37,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:37,390 INFO L471 AbstractCegarLoop]: Abstraction has 1687 states and 2161 transitions. [2024-11-10 19:06:37,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:06:37,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2161 transitions. [2024-11-10 19:06:37,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-10 19:06:37,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:37,391 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:37,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:37,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:37,594 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:37,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:37,595 INFO L85 PathProgramCache]: Analyzing trace with hash 763465823, now seen corresponding path program 2 times [2024-11-10 19:06:37,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:37,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728058008] [2024-11-10 19:06:37,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:37,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:37,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1355894983] [2024-11-10 19:06:37,604 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:06:37,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:37,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:37,605 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:37,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-10 19:06:37,650 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:06:37,651 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:06:37,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 19:06:37,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:38,054 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-10 19:06:38,054 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:39,457 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-10 19:06:39,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:39,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728058008] [2024-11-10 19:06:39,458 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:39,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355894983] [2024-11-10 19:06:39,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355894983] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:06:39,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:06:39,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-10 19:06:39,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080472207] [2024-11-10 19:06:39,459 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:39,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 19:06:39,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:39,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 19:06:39,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:06:39,462 INFO L87 Difference]: Start difference. First operand 1687 states and 2161 transitions. Second operand has 17 states, 16 states have (on average 9.9375) internal successors, (159), 17 states have internal predecessors, (159), 9 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 8 states have call predecessors, (22), 9 states have call successors, (22) [2024-11-10 19:06:44,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:44,650 INFO L93 Difference]: Finished difference Result 1916 states and 2450 transitions. [2024-11-10 19:06:44,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-10 19:06:44,650 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 9.9375) internal successors, (159), 17 states have internal predecessors, (159), 9 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 8 states have call predecessors, (22), 9 states have call successors, (22) Word has length 130 [2024-11-10 19:06:44,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:44,653 INFO L225 Difference]: With dead ends: 1916 [2024-11-10 19:06:44,653 INFO L226 Difference]: Without dead ends: 1914 [2024-11-10 19:06:44,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=298, Invalid=962, Unknown=0, NotChecked=0, Total=1260 [2024-11-10 19:06:44,655 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 539 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 2063 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 2119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:44,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 657 Invalid, 2119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2063 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-10 19:06:44,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2024-11-10 19:06:44,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 1648. [2024-11-10 19:06:44,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1648 states, 1475 states have (on average 1.2216949152542373) internal successors, (1802), 1497 states have internal predecessors, (1802), 148 states have call successors, (148), 2 states have call predecessors, (148), 2 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 19:06:44,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 2098 transitions. [2024-11-10 19:06:44,758 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 2098 transitions. Word has length 130 [2024-11-10 19:06:44,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:44,758 INFO L471 AbstractCegarLoop]: Abstraction has 1648 states and 2098 transitions. [2024-11-10 19:06:44,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 9.9375) internal successors, (159), 17 states have internal predecessors, (159), 9 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 8 states have call predecessors, (22), 9 states have call successors, (22) [2024-11-10 19:06:44,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2098 transitions. [2024-11-10 19:06:44,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-10 19:06:44,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:44,759 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:44,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2024-11-10 19:06:44,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2024-11-10 19:06:44,963 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:44,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:44,964 INFO L85 PathProgramCache]: Analyzing trace with hash 65159494, now seen corresponding path program 1 times [2024-11-10 19:06:44,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:44,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280660091] [2024-11-10 19:06:44,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:44,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:44,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1959140600] [2024-11-10 19:06:44,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:44,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:44,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:44,984 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:44,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-11-10 19:06:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:45,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 19:06:45,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:45,580 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 3 proven. 57 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-10 19:06:45,581 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:47,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:47,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280660091] [2024-11-10 19:06:47,604 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:47,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959140600] [2024-11-10 19:06:47,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959140600] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:47,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:47,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:06:47,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942880768] [2024-11-10 19:06:47,604 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:47,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:06:47,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:47,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:06:47,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=170, Unknown=1, NotChecked=0, Total=210 [2024-11-10 19:06:47,605 INFO L87 Difference]: Start difference. First operand 1648 states and 2098 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-10 19:06:48,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:48,970 INFO L93 Difference]: Finished difference Result 1751 states and 2225 transitions. [2024-11-10 19:06:48,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:06:48,971 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 133 [2024-11-10 19:06:48,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:48,973 INFO L225 Difference]: With dead ends: 1751 [2024-11-10 19:06:48,974 INFO L226 Difference]: Without dead ends: 1750 [2024-11-10 19:06:48,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=94, Invalid=411, Unknown=1, NotChecked=0, Total=506 [2024-11-10 19:06:48,974 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 255 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 1379 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 1395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:48,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 540 Invalid, 1395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1379 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 19:06:48,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1750 states. [2024-11-10 19:06:49,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1750 to 1648. [2024-11-10 19:06:49,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1648 states, 1475 states have (on average 1.2210169491525424) internal successors, (1801), 1497 states have internal predecessors, (1801), 148 states have call successors, (148), 2 states have call predecessors, (148), 2 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 19:06:49,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 2097 transitions. [2024-11-10 19:06:49,095 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 2097 transitions. Word has length 133 [2024-11-10 19:06:49,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:49,095 INFO L471 AbstractCegarLoop]: Abstraction has 1648 states and 2097 transitions. [2024-11-10 19:06:49,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-10 19:06:49,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2097 transitions. [2024-11-10 19:06:49,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-10 19:06:49,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:49,097 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:49,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:49,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:49,302 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:49,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:49,303 INFO L85 PathProgramCache]: Analyzing trace with hash 2019944393, now seen corresponding path program 1 times [2024-11-10 19:06:49,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:49,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407404066] [2024-11-10 19:06:49,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:49,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:49,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1630165363] [2024-11-10 19:06:49,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:49,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:49,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:49,313 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:49,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-10 19:06:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:49,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:06:49,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:49,724 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 24 proven. 29 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-10 19:06:49,725 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:49,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:49,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407404066] [2024-11-10 19:06:49,949 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:49,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630165363] [2024-11-10 19:06:49,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630165363] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:49,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:49,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:06:49,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054738549] [2024-11-10 19:06:49,949 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:49,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:06:49,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:49,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:06:49,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:06:49,950 INFO L87 Difference]: Start difference. First operand 1648 states and 2097 transitions. Second operand has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-10 19:06:50,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:50,970 INFO L93 Difference]: Finished difference Result 1993 states and 2563 transitions. [2024-11-10 19:06:50,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 19:06:50,971 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 134 [2024-11-10 19:06:50,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:50,974 INFO L225 Difference]: With dead ends: 1993 [2024-11-10 19:06:50,974 INFO L226 Difference]: Without dead ends: 1991 [2024-11-10 19:06:50,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:06:50,975 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 348 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 1037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:50,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 355 Invalid, 1037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:06:50,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1991 states. [2024-11-10 19:06:51,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1991 to 1932. [2024-11-10 19:06:51,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1932 states, 1734 states have (on average 1.2254901960784315) internal successors, (2125), 1756 states have internal predecessors, (2125), 173 states have call successors, (173), 2 states have call predecessors, (173), 2 states have return successors, (173), 173 states have call predecessors, (173), 173 states have call successors, (173) [2024-11-10 19:06:51,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1932 states and 2471 transitions. [2024-11-10 19:06:51,112 INFO L78 Accepts]: Start accepts. Automaton has 1932 states and 2471 transitions. Word has length 134 [2024-11-10 19:06:51,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:51,112 INFO L471 AbstractCegarLoop]: Abstraction has 1932 states and 2471 transitions. [2024-11-10 19:06:51,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-10 19:06:51,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 2471 transitions. [2024-11-10 19:06:51,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-10 19:06:51,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:51,113 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:51,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2024-11-10 19:06:51,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:51,314 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:51,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:51,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1798937358, now seen corresponding path program 2 times [2024-11-10 19:06:51,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:51,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536168711] [2024-11-10 19:06:51,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:51,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:51,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [312826629] [2024-11-10 19:06:51,330 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:06:51,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:51,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:51,331 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:51,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-11-10 19:06:51,377 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:06:51,377 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:06:51,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 19:06:51,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:51,776 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 3 proven. 77 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-10 19:06:51,777 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:51,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:51,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536168711] [2024-11-10 19:06:51,862 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:51,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312826629] [2024-11-10 19:06:51,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312826629] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:51,862 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:51,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:06:51,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359738236] [2024-11-10 19:06:51,862 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:51,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:06:51,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:51,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:06:51,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:06:51,864 INFO L87 Difference]: Start difference. First operand 1932 states and 2471 transitions. Second operand has 9 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-10 19:06:52,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:52,467 INFO L93 Difference]: Finished difference Result 2302 states and 2936 transitions. [2024-11-10 19:06:52,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:06:52,467 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) Word has length 141 [2024-11-10 19:06:52,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:52,470 INFO L225 Difference]: With dead ends: 2302 [2024-11-10 19:06:52,470 INFO L226 Difference]: Without dead ends: 2300 [2024-11-10 19:06:52,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:06:52,471 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 344 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:52,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 319 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:06:52,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2300 states. [2024-11-10 19:06:52,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2300 to 2000. [2024-11-10 19:06:52,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2000 states, 1796 states have (on average 1.227728285077951) internal successors, (2205), 1818 states have internal predecessors, (2205), 179 states have call successors, (179), 2 states have call predecessors, (179), 2 states have return successors, (179), 179 states have call predecessors, (179), 179 states have call successors, (179) [2024-11-10 19:06:52,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 2000 states and 2563 transitions. [2024-11-10 19:06:52,614 INFO L78 Accepts]: Start accepts. Automaton has 2000 states and 2563 transitions. Word has length 141 [2024-11-10 19:06:52,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:52,615 INFO L471 AbstractCegarLoop]: Abstraction has 2000 states and 2563 transitions. [2024-11-10 19:06:52,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-10 19:06:52,615 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2563 transitions. [2024-11-10 19:06:52,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-10 19:06:52,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:52,616 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:52,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:52,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2024-11-10 19:06:52,820 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:52,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:52,820 INFO L85 PathProgramCache]: Analyzing trace with hash 310116618, now seen corresponding path program 1 times [2024-11-10 19:06:52,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:52,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909795682] [2024-11-10 19:06:52,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:52,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:52,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [774360810] [2024-11-10 19:06:52,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:52,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:52,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:52,831 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:52,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-11-10 19:06:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:52,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 19:06:52,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:53,458 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 3 proven. 71 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-10 19:06:53,458 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:54,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:54,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909795682] [2024-11-10 19:06:54,234 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:54,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774360810] [2024-11-10 19:06:54,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774360810] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:54,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:54,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:06:54,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236527804] [2024-11-10 19:06:54,235 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:54,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:06:54,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:54,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:06:54,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:06:54,236 INFO L87 Difference]: Start difference. First operand 2000 states and 2563 transitions. Second operand has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-10 19:06:55,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:55,172 INFO L93 Difference]: Finished difference Result 2089 states and 2672 transitions. [2024-11-10 19:06:55,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 19:06:55,172 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 144 [2024-11-10 19:06:55,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:55,180 INFO L225 Difference]: With dead ends: 2089 [2024-11-10 19:06:55,180 INFO L226 Difference]: Without dead ends: 2088 [2024-11-10 19:06:55,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:06:55,181 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 161 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 1337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:55,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 707 Invalid, 1337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1336 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:06:55,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2088 states. [2024-11-10 19:06:55,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2088 to 2000. [2024-11-10 19:06:55,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2000 states, 1796 states have (on average 1.2271714922048997) internal successors, (2204), 1818 states have internal predecessors, (2204), 179 states have call successors, (179), 2 states have call predecessors, (179), 2 states have return successors, (179), 179 states have call predecessors, (179), 179 states have call successors, (179) [2024-11-10 19:06:55,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 2000 states and 2562 transitions. [2024-11-10 19:06:55,372 INFO L78 Accepts]: Start accepts. Automaton has 2000 states and 2562 transitions. Word has length 144 [2024-11-10 19:06:55,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:55,373 INFO L471 AbstractCegarLoop]: Abstraction has 2000 states and 2562 transitions. [2024-11-10 19:06:55,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-10 19:06:55,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2562 transitions. [2024-11-10 19:06:55,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-10 19:06:55,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:55,374 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:55,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2024-11-10 19:06:55,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-11-10 19:06:55,575 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:55,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:55,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1023680632, now seen corresponding path program 1 times [2024-11-10 19:06:55,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:55,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989788828] [2024-11-10 19:06:55,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:55,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:55,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [131053186] [2024-11-10 19:06:55,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:55,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:55,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:55,591 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:55,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-11-10 19:06:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:55,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:06:55,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:56,020 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 25 proven. 42 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-10 19:06:56,020 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:56,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:56,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989788828] [2024-11-10 19:06:56,175 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:56,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131053186] [2024-11-10 19:06:56,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131053186] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:56,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:56,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:06:56,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872729845] [2024-11-10 19:06:56,176 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:56,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:06:56,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:56,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:06:56,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:06:56,177 INFO L87 Difference]: Start difference. First operand 2000 states and 2562 transitions. Second operand has 10 states, 9 states have (on average 10.11111111111111) internal successors, (91), 10 states have internal predecessors, (91), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-10 19:06:57,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:57,358 INFO L93 Difference]: Finished difference Result 2071 states and 2639 transitions. [2024-11-10 19:06:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 19:06:57,358 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.11111111111111) internal successors, (91), 10 states have internal predecessors, (91), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 145 [2024-11-10 19:06:57,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:57,361 INFO L225 Difference]: With dead ends: 2071 [2024-11-10 19:06:57,361 INFO L226 Difference]: Without dead ends: 2066 [2024-11-10 19:06:57,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:06:57,362 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 342 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:57,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 427 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1071 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:06:57,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2066 states. [2024-11-10 19:06:57,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2066 to 1868. [2024-11-10 19:06:57,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1868 states, 1677 states have (on average 1.2093023255813953) internal successors, (2028), 1699 states have internal predecessors, (2028), 166 states have call successors, (166), 2 states have call predecessors, (166), 2 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) [2024-11-10 19:06:57,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1868 states and 2360 transitions. [2024-11-10 19:06:57,502 INFO L78 Accepts]: Start accepts. Automaton has 1868 states and 2360 transitions. Word has length 145 [2024-11-10 19:06:57,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:57,502 INFO L471 AbstractCegarLoop]: Abstraction has 1868 states and 2360 transitions. [2024-11-10 19:06:57,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.11111111111111) internal successors, (91), 10 states have internal predecessors, (91), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-10 19:06:57,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2360 transitions. [2024-11-10 19:06:57,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-10 19:06:57,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:57,503 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:57,521 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2024-11-10 19:06:57,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2024-11-10 19:06:57,704 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:57,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:57,704 INFO L85 PathProgramCache]: Analyzing trace with hash 657241239, now seen corresponding path program 1 times [2024-11-10 19:06:57,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:57,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203423995] [2024-11-10 19:06:57,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:57,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:57,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:57,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:06:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:57,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:06:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:57,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:06:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:57,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:06:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:57,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:06:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:57,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:06:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:57,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:06:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:57,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:06:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:57,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:06:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:57,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 19:06:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:57,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 19:06:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:57,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 19:06:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:57,771 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-10 19:06:57,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:57,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203423995] [2024-11-10 19:06:57,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203423995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:06:57,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:06:57,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:06:57,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687569571] [2024-11-10 19:06:57,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:06:57,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:06:57,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:57,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:06:57,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:06:57,773 INFO L87 Difference]: Start difference. First operand 1868 states and 2360 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-10 19:06:58,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:58,827 INFO L93 Difference]: Finished difference Result 1870 states and 2360 transitions. [2024-11-10 19:06:58,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:06:58,828 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 147 [2024-11-10 19:06:58,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:58,830 INFO L225 Difference]: With dead ends: 1870 [2024-11-10 19:06:58,830 INFO L226 Difference]: Without dead ends: 1840 [2024-11-10 19:06:58,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:06:58,831 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 129 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:58,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 194 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:06:58,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2024-11-10 19:06:58,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1838. [2024-11-10 19:06:58,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1651 states have (on average 1.2107813446396123) internal successors, (1999), 1672 states have internal predecessors, (1999), 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) [2024-11-10 19:06:58,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2325 transitions. [2024-11-10 19:06:58,969 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2325 transitions. Word has length 147 [2024-11-10 19:06:58,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:58,970 INFO L471 AbstractCegarLoop]: Abstraction has 1838 states and 2325 transitions. [2024-11-10 19:06:58,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-10 19:06:58,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2325 transitions. [2024-11-10 19:06:58,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-10 19:06:58,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:58,971 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-10 19:06:58,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-11-10 19:06:58,971 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:58,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:58,971 INFO L85 PathProgramCache]: Analyzing trace with hash -2088124220, now seen corresponding path program 1 times [2024-11-10 19:06:58,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:58,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413983557] [2024-11-10 19:06:58,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:58,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:59,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:59,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:06:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:59,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:06:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:59,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:06:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:59,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:06:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:59,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:06:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:59,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:06:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:59,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:06:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:59,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:06:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:59,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:06:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:59,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 19:06:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:59,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 19:06:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:59,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 19:06:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:59,072 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-10 19:06:59,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:59,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413983557] [2024-11-10 19:06:59,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413983557] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:59,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760489306] [2024-11-10 19:06:59,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:59,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:59,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:59,074 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:59,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-11-10 19:06:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:59,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:06:59,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:59,335 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-10 19:06:59,335 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:59,497 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-10 19:06:59,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760489306] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:06:59,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:06:59,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-10 19:06:59,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468006477] [2024-11-10 19:06:59,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:59,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:06:59,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:59,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:06:59,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:06:59,499 INFO L87 Difference]: Start difference. First operand 1838 states and 2325 transitions. Second operand has 11 states, 10 states have (on average 27.9) internal successors, (279), 11 states have internal predecessors, (279), 10 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31)