./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/ps5.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/ps5.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 75035fa3f0906c231d17ae5ee7268afeafad4874ea03c5ffa88d3c2d4999f0b5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:58:32,302 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:58:32,372 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:58:32,385 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:58:32,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:58:32,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:58:32,417 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:58:32,418 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:58:32,418 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:58:32,419 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:58:32,420 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:58:32,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:58:32,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:58:32,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:58:32,424 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:58:32,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:58:32,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:58:32,425 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:58:32,425 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:58:32,429 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:58:32,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:58:32,430 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:58:32,430 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:58:32,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:58:32,431 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:58:32,431 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:58:32,431 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:58:32,431 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:58:32,432 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:58:32,432 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:58:32,432 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:58:32,432 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:58:32,433 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:58:32,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:58:32,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:58:32,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:58:32,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:58:32,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:58:32,437 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:58:32,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:58:32,437 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:58:32,438 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:58:32,439 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:58:32,439 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:58:32,447 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75035fa3f0906c231d17ae5ee7268afeafad4874ea03c5ffa88d3c2d4999f0b5 [2024-11-10 18:58:32,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:58:32,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:58:32,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:58:32,695 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:58:32,696 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:58:32,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/ps5.c [2024-11-10 18:58:34,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:58:34,291 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:58:34,292 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps5.c [2024-11-10 18:58:34,305 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7fe42887/874ab43dcce24c9aa68cf4f96ce240dd/FLAG4f050a348 [2024-11-10 18:58:34,698 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7fe42887/874ab43dcce24c9aa68cf4f96ce240dd [2024-11-10 18:58:34,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:58:34,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:58:34,704 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:58:34,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:58:34,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:58:34,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:58:34" (1/1) ... [2024-11-10 18:58:34,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c850c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:34, skipping insertion in model container [2024-11-10 18:58:34,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:58:34" (1/1) ... [2024-11-10 18:58:34,731 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:58:34,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:58:34,927 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:58:34,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:58:34,971 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:58:34,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:34 WrapperNode [2024-11-10 18:58:34,972 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:58:34,973 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:58:34,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:58:34,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:58:34,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:34" (1/1) ... [2024-11-10 18:58:34,989 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:34" (1/1) ... [2024-11-10 18:58:35,034 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 129 [2024-11-10 18:58:35,034 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:58:35,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:58:35,035 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:58:35,035 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:58:35,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:34" (1/1) ... [2024-11-10 18:58:35,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:34" (1/1) ... [2024-11-10 18:58:35,060 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:34" (1/1) ... [2024-11-10 18:58:35,083 INFO L175 MemorySlicer]: Split 8 memory accesses to 2 slices as follows [2, 6]. 75 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 6]. The 0 writes are split as follows [0, 0]. [2024-11-10 18:58:35,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:34" (1/1) ... [2024-11-10 18:58:35,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:34" (1/1) ... [2024-11-10 18:58:35,095 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:34" (1/1) ... [2024-11-10 18:58:35,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:34" (1/1) ... [2024-11-10 18:58:35,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:34" (1/1) ... [2024-11-10 18:58:35,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:34" (1/1) ... [2024-11-10 18:58:35,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:58:35,106 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:58:35,106 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:58:35,106 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:58:35,107 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:34" (1/1) ... [2024-11-10 18:58:35,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:58:35,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:58:35,154 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 18:58:35,157 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 18:58:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:58:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:58:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 18:58:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:58:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:58:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 18:58:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 18:58:35,275 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:58:35,277 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:58:35,744 INFO L? ?]: Removed 88 outVars from TransFormulas that were not future-live. [2024-11-10 18:58:35,744 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:58:35,768 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:58:35,769 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:58:35,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:58:35 BoogieIcfgContainer [2024-11-10 18:58:35,769 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:58:35,772 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:58:35,772 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:58:35,775 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:58:35,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:58:34" (1/3) ... [2024-11-10 18:58:35,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b1afa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:58:35, skipping insertion in model container [2024-11-10 18:58:35,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:34" (2/3) ... [2024-11-10 18:58:35,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b1afa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:58:35, skipping insertion in model container [2024-11-10 18:58:35,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:58:35" (3/3) ... [2024-11-10 18:58:35,778 INFO L112 eAbstractionObserver]: Analyzing ICFG ps5.c [2024-11-10 18:58:35,795 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:58:35,795 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 84 error locations. [2024-11-10 18:58:35,849 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:58:35,856 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;@7140bd45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:58:35,857 INFO L334 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2024-11-10 18:58:35,861 INFO L276 IsEmpty]: Start isEmpty. Operand has 189 states, 100 states have (on average 1.88) internal successors, (188), 184 states have internal predecessors, (188), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 18:58:35,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-10 18:58:35,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:35,867 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-10 18:58:35,867 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-10 18:58:35,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:35,872 INFO L85 PathProgramCache]: Analyzing trace with hash 6586650, now seen corresponding path program 1 times [2024-11-10 18:58:35,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:35,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186946063] [2024-11-10 18:58:35,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:35,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:36,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:58:36,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:36,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186946063] [2024-11-10 18:58:36,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186946063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:58:36,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:58:36,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:58:36,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015787864] [2024-11-10 18:58:36,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:58:36,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 18:58:36,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:36,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 18:58:36,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:58:36,059 INFO L87 Difference]: Start difference. First operand has 189 states, 100 states have (on average 1.88) internal successors, (188), 184 states have internal predecessors, (188), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:58:36,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:36,105 INFO L93 Difference]: Finished difference Result 362 states and 388 transitions. [2024-11-10 18:58:36,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 18:58:36,110 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-10 18:58:36,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:36,119 INFO L225 Difference]: With dead ends: 362 [2024-11-10 18:58:36,119 INFO L226 Difference]: Without dead ends: 169 [2024-11-10 18:58:36,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 18:58:36,127 INFO L432 NwaCegarLoop]: 177 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, 177 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 18:58:36,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:58:36,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-10 18:58:36,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2024-11-10 18:58:36,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 95 states have (on average 1.7473684210526317) internal successors, (166), 165 states have internal predecessors, (166), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:58:36,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 170 transitions. [2024-11-10 18:58:36,188 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 170 transitions. Word has length 4 [2024-11-10 18:58:36,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:36,189 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 170 transitions. [2024-11-10 18:58:36,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:58:36,189 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 170 transitions. [2024-11-10 18:58:36,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-10 18:58:36,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:36,190 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-10 18:58:36,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:58:36,190 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-10 18:58:36,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:36,191 INFO L85 PathProgramCache]: Analyzing trace with hash 204188467, now seen corresponding path program 1 times [2024-11-10 18:58:36,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:36,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179103681] [2024-11-10 18:58:36,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:36,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:36,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:58:36,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:36,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179103681] [2024-11-10 18:58:36,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179103681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:58:36,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:58:36,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:58:36,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28525716] [2024-11-10 18:58:36,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:58:36,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:58:36,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:36,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:58:36,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:58:36,256 INFO L87 Difference]: Start difference. First operand 169 states and 170 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:58:36,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:36,693 INFO L93 Difference]: Finished difference Result 309 states and 320 transitions. [2024-11-10 18:58:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:58:36,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-10 18:58:36,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:36,697 INFO L225 Difference]: With dead ends: 309 [2024-11-10 18:58:36,697 INFO L226 Difference]: Without dead ends: 253 [2024-11-10 18:58:36,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 18:58:36,699 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 84 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:36,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 117 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 18:58:36,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-10 18:58:36,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 246. [2024-11-10 18:58:36,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 171 states have (on average 1.4970760233918128) internal successors, (256), 241 states have internal predecessors, (256), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 18:58:36,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 262 transitions. [2024-11-10 18:58:36,728 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 262 transitions. Word has length 5 [2024-11-10 18:58:36,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:36,728 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 262 transitions. [2024-11-10 18:58:36,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:58:36,729 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 262 transitions. [2024-11-10 18:58:36,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-10 18:58:36,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:36,734 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:58:36,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:58:36,734 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-10 18:58:36,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:36,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1410268759, now seen corresponding path program 1 times [2024-11-10 18:58:36,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:36,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763604735] [2024-11-10 18:58:36,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:36,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:36,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:58:36,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:36,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763604735] [2024-11-10 18:58:36,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763604735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:58:36,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:58:36,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:58:36,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449703399] [2024-11-10 18:58:36,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:58:36,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:58:36,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:36,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:58:36,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:58:36,866 INFO L87 Difference]: Start difference. First operand 246 states and 262 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:58:36,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:36,953 INFO L93 Difference]: Finished difference Result 267 states and 278 transitions. [2024-11-10 18:58:36,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:58:36,954 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2024-11-10 18:58:36,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:36,956 INFO L225 Difference]: With dead ends: 267 [2024-11-10 18:58:36,957 INFO L226 Difference]: Without dead ends: 262 [2024-11-10 18:58:36,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 18:58:36,958 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 61 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:36,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 287 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:58:36,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-10 18:58:36,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 254. [2024-11-10 18:58:36,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 179 states have (on average 1.4748603351955307) internal successors, (264), 249 states have internal predecessors, (264), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 18:58:36,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 270 transitions. [2024-11-10 18:58:36,970 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 270 transitions. Word has length 33 [2024-11-10 18:58:36,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:36,971 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 270 transitions. [2024-11-10 18:58:36,971 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:58:36,971 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 270 transitions. [2024-11-10 18:58:36,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-10 18:58:36,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:36,972 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:58:36,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:58:36,972 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-10 18:58:36,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:36,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1941385291, now seen corresponding path program 1 times [2024-11-10 18:58:36,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:36,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963900621] [2024-11-10 18:58:36,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:36,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:37,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:58:37,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:37,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963900621] [2024-11-10 18:58:37,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963900621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:58:37,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:58:37,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:58:37,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325903896] [2024-11-10 18:58:37,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:58:37,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:58:37,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:37,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:58:37,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:58:37,146 INFO L87 Difference]: Start difference. First operand 254 states and 270 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:58:37,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:37,320 INFO L93 Difference]: Finished difference Result 266 states and 273 transitions. [2024-11-10 18:58:37,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:58:37,320 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2024-11-10 18:58:37,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:37,322 INFO L225 Difference]: With dead ends: 266 [2024-11-10 18:58:37,322 INFO L226 Difference]: Without dead ends: 261 [2024-11-10 18:58:37,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 18:58:37,324 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 140 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:37,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 223 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:58:37,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-10 18:58:37,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 254. [2024-11-10 18:58:37,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 179 states have (on average 1.446927374301676) internal successors, (259), 249 states have internal predecessors, (259), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 18:58:37,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 265 transitions. [2024-11-10 18:58:37,351 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 265 transitions. Word has length 35 [2024-11-10 18:58:37,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:37,352 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 265 transitions. [2024-11-10 18:58:37,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:58:37,352 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 265 transitions. [2024-11-10 18:58:37,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-10 18:58:37,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:37,353 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:58:37,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:58:37,353 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-10 18:58:37,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:37,354 INFO L85 PathProgramCache]: Analyzing trace with hash -53401792, now seen corresponding path program 1 times [2024-11-10 18:58:37,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:37,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541556656] [2024-11-10 18:58:37,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:37,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:37,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:58:37,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:37,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541556656] [2024-11-10 18:58:37,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541556656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:58:37,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:58:37,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:58:37,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538658463] [2024-11-10 18:58:37,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:58:37,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:58:37,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:37,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:58:37,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:58:37,463 INFO L87 Difference]: Start difference. First operand 254 states and 265 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:58:37,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:37,926 INFO L93 Difference]: Finished difference Result 265 states and 268 transitions. [2024-11-10 18:58:37,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:58:37,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2024-11-10 18:58:37,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:37,928 INFO L225 Difference]: With dead ends: 265 [2024-11-10 18:58:37,928 INFO L226 Difference]: Without dead ends: 227 [2024-11-10 18:58:37,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 18:58:37,929 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 86 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:37,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 253 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 18:58:37,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-10 18:58:37,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 220. [2024-11-10 18:58:37,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 145 states have (on average 1.5241379310344827) internal successors, (221), 215 states have internal predecessors, (221), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 18:58:37,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 227 transitions. [2024-11-10 18:58:37,940 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 227 transitions. Word has length 36 [2024-11-10 18:58:37,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:37,940 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 227 transitions. [2024-11-10 18:58:37,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:58:37,940 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 227 transitions. [2024-11-10 18:58:37,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-10 18:58:37,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:37,942 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:58:37,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:58:37,942 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-10 18:58:37,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:37,943 INFO L85 PathProgramCache]: Analyzing trace with hash 2025080266, now seen corresponding path program 1 times [2024-11-10 18:58:37,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:37,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738306436] [2024-11-10 18:58:37,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:37,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:38,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 18:58:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:38,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:58:38,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:38,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738306436] [2024-11-10 18:58:38,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738306436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:58:38,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:58:38,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:58:38,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477884480] [2024-11-10 18:58:38,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:58:38,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:58:38,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:38,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:58:38,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:58:38,035 INFO L87 Difference]: Start difference. First operand 220 states and 227 transitions. Second operand has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 18:58:38,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:38,062 INFO L93 Difference]: Finished difference Result 222 states and 227 transitions. [2024-11-10 18:58:38,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:58:38,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2024-11-10 18:58:38,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:38,065 INFO L225 Difference]: With dead ends: 222 [2024-11-10 18:58:38,065 INFO L226 Difference]: Without dead ends: 220 [2024-11-10 18:58:38,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 18:58:38,066 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 2 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:38,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 328 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:58:38,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-10 18:58:38,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2024-11-10 18:58:38,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 145 states have (on average 1.5103448275862068) internal successors, (219), 215 states have internal predecessors, (219), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 18:58:38,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 225 transitions. [2024-11-10 18:58:38,082 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 225 transitions. Word has length 45 [2024-11-10 18:58:38,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:38,083 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 225 transitions. [2024-11-10 18:58:38,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 18:58:38,084 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 225 transitions. [2024-11-10 18:58:38,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-10 18:58:38,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:38,086 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:58:38,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:58:38,087 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-10 18:58:38,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:38,088 INFO L85 PathProgramCache]: Analyzing trace with hash -2001120517, now seen corresponding path program 1 times [2024-11-10 18:58:38,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:38,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33109825] [2024-11-10 18:58:38,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:38,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:58:38,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [417470330] [2024-11-10 18:58:38,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:38,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:38,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:58:38,127 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 18:58:38,129 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 18:58:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:38,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:58:38,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:58:38,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:58:38,339 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:58:38,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:38,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33109825] [2024-11-10 18:58:38,340 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:58:38,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417470330] [2024-11-10 18:58:38,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417470330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:58:38,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:58:38,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:58:38,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803506388] [2024-11-10 18:58:38,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:58:38,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:58:38,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:38,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:58:38,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:58:38,342 INFO L87 Difference]: Start difference. First operand 220 states and 225 transitions. Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 18:58:38,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:38,729 INFO L93 Difference]: Finished difference Result 363 states and 378 transitions. [2024-11-10 18:58:38,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:58:38,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2024-11-10 18:58:38,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:38,731 INFO L225 Difference]: With dead ends: 363 [2024-11-10 18:58:38,731 INFO L226 Difference]: Without dead ends: 309 [2024-11-10 18:58:38,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:58:38,732 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 94 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:38,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 139 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 18:58:38,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-10 18:58:38,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 302. [2024-11-10 18:58:38,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 225 states have (on average 1.3911111111111112) internal successors, (313), 295 states have internal predecessors, (313), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 18:58:38,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 323 transitions. [2024-11-10 18:58:38,741 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 323 transitions. Word has length 52 [2024-11-10 18:58:38,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:38,741 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 323 transitions. [2024-11-10 18:58:38,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 18:58:38,741 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 323 transitions. [2024-11-10 18:58:38,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-10 18:58:38,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:38,742 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:58:38,759 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 18:58:38,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:38,943 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-10 18:58:38,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:38,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1675958773, now seen corresponding path program 1 times [2024-11-10 18:58:38,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:38,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739850044] [2024-11-10 18:58:38,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:38,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:39,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 18:58:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:39,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:58:39,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:39,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739850044] [2024-11-10 18:58:39,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739850044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:58:39,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:58:39,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:58:39,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174910955] [2024-11-10 18:58:39,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:58:39,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:58:39,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:39,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:58:39,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:58:39,047 INFO L87 Difference]: Start difference. First operand 302 states and 323 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 18:58:40,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:40,250 INFO L93 Difference]: Finished difference Result 303 states and 323 transitions. [2024-11-10 18:58:40,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:58:40,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 58 [2024-11-10 18:58:40,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:40,252 INFO L225 Difference]: With dead ends: 303 [2024-11-10 18:58:40,252 INFO L226 Difference]: Without dead ends: 302 [2024-11-10 18:58:40,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 18:58:40,253 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 43 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:40,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 287 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 18:58:40,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-10 18:58:40,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 302. [2024-11-10 18:58:40,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 225 states have (on average 1.3866666666666667) internal successors, (312), 295 states have internal predecessors, (312), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 18:58:40,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 322 transitions. [2024-11-10 18:58:40,262 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 322 transitions. Word has length 58 [2024-11-10 18:58:40,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:40,263 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 322 transitions. [2024-11-10 18:58:40,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 18:58:40,263 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 322 transitions. [2024-11-10 18:58:40,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-10 18:58:40,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:40,264 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:58:40,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 18:58:40,265 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-10 18:58:40,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:40,269 INFO L85 PathProgramCache]: Analyzing trace with hash -209260390, now seen corresponding path program 1 times [2024-11-10 18:58:40,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:40,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376918759] [2024-11-10 18:58:40,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:40,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:58:40,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1599878004] [2024-11-10 18:58:40,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:40,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:40,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:58:40,298 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 18:58:40,299 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 18:58:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:40,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:58:40,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:58:40,539 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-10 18:58:40,539 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:58:40,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:40,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376918759] [2024-11-10 18:58:40,539 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:58:40,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599878004] [2024-11-10 18:58:40,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599878004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:58:40,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:58:40,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:58:40,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548521829] [2024-11-10 18:58:40,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:58:40,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:58:40,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:40,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:58:40,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:58:40,542 INFO L87 Difference]: Start difference. First operand 302 states and 322 transitions. Second operand has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 18:58:40,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:40,595 INFO L93 Difference]: Finished difference Result 302 states and 322 transitions. [2024-11-10 18:58:40,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:58:40,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 90 [2024-11-10 18:58:40,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:40,597 INFO L225 Difference]: With dead ends: 302 [2024-11-10 18:58:40,598 INFO L226 Difference]: Without dead ends: 299 [2024-11-10 18:58:40,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 87 SyntacticMatches, 1 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 18:58:40,598 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 95 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:40,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 147 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:58:40,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-10 18:58:40,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2024-11-10 18:58:40,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 225 states have (on average 1.3644444444444443) internal successors, (307), 292 states have internal predecessors, (307), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 18:58:40,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 317 transitions. [2024-11-10 18:58:40,607 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 317 transitions. Word has length 90 [2024-11-10 18:58:40,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:40,607 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 317 transitions. [2024-11-10 18:58:40,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 18:58:40,608 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 317 transitions. [2024-11-10 18:58:40,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-10 18:58:40,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:40,609 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:58:40,625 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 18:58:40,813 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,SelfDestructingSolverStorable8 [2024-11-10 18:58:40,814 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-10 18:58:40,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:40,814 INFO L85 PathProgramCache]: Analyzing trace with hash 2102862591, now seen corresponding path program 1 times [2024-11-10 18:58:40,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:40,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244046871] [2024-11-10 18:58:40,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:40,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:58:40,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1051469606] [2024-11-10 18:58:40,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:40,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:40,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:58:40,841 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 18:58:40,843 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 18:58:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:40,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 18:58:40,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:58:41,171 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:58:41,172 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:58:41,401 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:58:41,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:41,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244046871] [2024-11-10 18:58:41,401 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:58:41,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051469606] [2024-11-10 18:58:41,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051469606] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:58:41,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 18:58:41,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-10 18:58:41,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109774186] [2024-11-10 18:58:41,401 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 18:58:41,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 18:58:41,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:41,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 18:58:41,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:58:41,403 INFO L87 Difference]: Start difference. First operand 299 states and 317 transitions. Second operand has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:58:42,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:58:42,073 INFO L93 Difference]: Finished difference Result 374 states and 388 transitions. [2024-11-10 18:58:42,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 18:58:42,074 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 91 [2024-11-10 18:58:42,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:58:42,075 INFO L225 Difference]: With dead ends: 374 [2024-11-10 18:58:42,075 INFO L226 Difference]: Without dead ends: 367 [2024-11-10 18:58:42,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:58:42,076 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 293 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 18:58:42,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 300 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 18:58:42,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-10 18:58:42,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 340. [2024-11-10 18:58:42,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 267 states have (on average 1.3820224719101124) internal successors, (369), 333 states have internal predecessors, (369), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 18:58:42,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 379 transitions. [2024-11-10 18:58:42,085 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 379 transitions. Word has length 91 [2024-11-10 18:58:42,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:58:42,085 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 379 transitions. [2024-11-10 18:58:42,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:58:42,086 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 379 transitions. [2024-11-10 18:58:42,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-10 18:58:42,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:58:42,086 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:58:42,104 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 18:58:42,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:42,291 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-10 18:58:42,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:58:42,291 INFO L85 PathProgramCache]: Analyzing trace with hash 764230968, now seen corresponding path program 1 times [2024-11-10 18:58:42,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:58:42,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919506679] [2024-11-10 18:58:42,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:42,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:58:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:58:42,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [762793329] [2024-11-10 18:58:42,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:58:42,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:58:42,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:58:42,325 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 18:58:42,326 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 18:58:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:58:42,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 18:58:42,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:58:42,685 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:58:42,685 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:58:44,837 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:58:44,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:58:44,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919506679] [2024-11-10 18:58:44,838 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:58:44,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762793329] [2024-11-10 18:58:44,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762793329] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:58:44,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 18:58:44,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2024-11-10 18:58:44,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852882102] [2024-11-10 18:58:44,840 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 18:58:44,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 18:58:44,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:58:44,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 18:58:44,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:58:44,842 INFO L87 Difference]: Start difference. First operand 340 states and 379 transitions. Second operand has 9 states, 8 states have (on average 22.0) internal successors, (176), 9 states have internal predecessors, (176), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:58:52,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:58:54,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:58:57,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:58:58,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:59:01,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:59:03,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:59:05,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:59:09,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:59:11,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:59:12,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:59:15,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.35s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:59:19,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:59:23,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:59:25,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:59:26,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:59:27,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:59:31,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:59:33,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:59:33,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:33,113 INFO L93 Difference]: Finished difference Result 348 states and 379 transitions. [2024-11-10 18:59:33,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 18:59:33,114 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 22.0) internal successors, (176), 9 states have internal predecessors, (176), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 92 [2024-11-10 18:59:33,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:33,115 INFO L225 Difference]: With dead ends: 348 [2024-11-10 18:59:33,115 INFO L226 Difference]: Without dead ends: 340 [2024-11-10 18:59:33,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:59:33,116 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 242 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 34 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:33,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 91 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 767 Invalid, 4 Unknown, 0 Unchecked, 42.0s Time] [2024-11-10 18:59:33,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-10 18:59:33,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 338. [2024-11-10 18:59:33,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 267 states have (on average 1.344569288389513) internal successors, (359), 331 states have internal predecessors, (359), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 18:59:33,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 369 transitions. [2024-11-10 18:59:33,127 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 369 transitions. Word has length 92 [2024-11-10 18:59:33,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:33,128 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 369 transitions. [2024-11-10 18:59:33,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 22.0) internal successors, (176), 9 states have internal predecessors, (176), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:59:33,128 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 369 transitions. [2024-11-10 18:59:33,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-10 18:59:33,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:33,131 INFO L215 NwaCegarLoop]: trace histogram [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, 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] [2024-11-10 18:59:33,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 18:59:33,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:33,336 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-10 18:59:33,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:33,336 INFO L85 PathProgramCache]: Analyzing trace with hash -434377843, now seen corresponding path program 1 times [2024-11-10 18:59:33,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:33,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623404612] [2024-11-10 18:59:33,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:33,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:33,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 18:59:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:33,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 18:59:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:33,452 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:59:33,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:33,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623404612] [2024-11-10 18:59:33,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623404612] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:59:33,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327254396] [2024-11-10 18:59:33,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:33,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:33,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:33,455 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 18:59:33,456 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 18:59:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:33,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:59:33,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:33,607 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:59:33,607 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:59:33,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327254396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:33,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:59:33,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-10 18:59:33,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608529514] [2024-11-10 18:59:33,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:33,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:59:33,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:33,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:59:33,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:59:33,609 INFO L87 Difference]: Start difference. First operand 338 states and 369 transitions. Second operand has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:59:33,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:33,632 INFO L93 Difference]: Finished difference Result 338 states and 369 transitions. [2024-11-10 18:59:33,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:59:33,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 102 [2024-11-10 18:59:33,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:33,634 INFO L225 Difference]: With dead ends: 338 [2024-11-10 18:59:33,635 INFO L226 Difference]: Without dead ends: 337 [2024-11-10 18:59:33,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:59:33,635 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 36 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:33,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 379 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:59:33,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-10 18:59:33,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2024-11-10 18:59:33,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 267 states have (on average 1.3370786516853932) internal successors, (357), 330 states have internal predecessors, (357), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 18:59:33,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 367 transitions. [2024-11-10 18:59:33,645 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 367 transitions. Word has length 102 [2024-11-10 18:59:33,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:33,646 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 367 transitions. [2024-11-10 18:59:33,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:59:33,646 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 367 transitions. [2024-11-10 18:59:33,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-10 18:59:33,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:33,647 INFO L215 NwaCegarLoop]: trace histogram [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, 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] [2024-11-10 18:59:33,664 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 18:59:33,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-10 18:59:33,848 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-10 18:59:33,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:33,849 INFO L85 PathProgramCache]: Analyzing trace with hash -580811171, now seen corresponding path program 1 times [2024-11-10 18:59:33,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:33,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046189524] [2024-11-10 18:59:33,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:33,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:33,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 18:59:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:33,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 18:59:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:33,972 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:59:33,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:33,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046189524] [2024-11-10 18:59:33,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046189524] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:59:33,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552726631] [2024-11-10 18:59:33,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:33,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:33,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:33,975 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 18:59:33,977 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 18:59:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:34,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:59:34,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:34,132 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:59:34,132 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:34,250 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:59:34,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552726631] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:59:34,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:59:34,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-10 18:59:34,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273782499] [2024-11-10 18:59:34,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:59:34,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:59:34,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:34,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:59:34,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:59:34,252 INFO L87 Difference]: Start difference. First operand 337 states and 367 transitions. Second operand has 7 states, 6 states have (on average 38.166666666666664) internal successors, (229), 7 states have internal predecessors, (229), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 18:59:34,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:34,296 INFO L93 Difference]: Finished difference Result 459 states and 471 transitions. [2024-11-10 18:59:34,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:59:34,296 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 38.166666666666664) internal successors, (229), 7 states have internal predecessors, (229), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 103 [2024-11-10 18:59:34,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:34,298 INFO L225 Difference]: With dead ends: 459 [2024-11-10 18:59:34,298 INFO L226 Difference]: Without dead ends: 458 [2024-11-10 18:59:34,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:59:34,301 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 74 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 617 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 18:59:34,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 617 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:59:34,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-11-10 18:59:34,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 398. [2024-11-10 18:59:34,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 326 states have (on average 1.392638036809816) internal successors, (454), 389 states have internal predecessors, (454), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 18:59:34,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 468 transitions. [2024-11-10 18:59:34,314 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 468 transitions. Word has length 103 [2024-11-10 18:59:34,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:34,315 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 468 transitions. [2024-11-10 18:59:34,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 38.166666666666664) internal successors, (229), 7 states have internal predecessors, (229), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 18:59:34,315 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 468 transitions. [2024-11-10 18:59:34,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-10 18:59:34,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:34,319 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 18:59:34,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-10 18:59:34,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:34,520 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-10 18:59:34,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:34,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1184680083, now seen corresponding path program 1 times [2024-11-10 18:59:34,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:34,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594427898] [2024-11-10 18:59:34,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:34,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:34,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 18:59:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:34,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 18:59:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:34,600 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-10 18:59:34,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:34,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594427898] [2024-11-10 18:59:34,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594427898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:34,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:59:34,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:59:34,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72899031] [2024-11-10 18:59:34,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:34,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:59:34,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:34,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:59:34,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:59:34,603 INFO L87 Difference]: Start difference. First operand 398 states and 468 transitions. Second operand has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:59:34,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:34,830 INFO L93 Difference]: Finished difference Result 398 states and 468 transitions. [2024-11-10 18:59:34,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:59:34,830 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 119 [2024-11-10 18:59:34,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:34,832 INFO L225 Difference]: With dead ends: 398 [2024-11-10 18:59:34,832 INFO L226 Difference]: Without dead ends: 391 [2024-11-10 18:59:34,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:59:34,833 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 130 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:34,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 28 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:59:34,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-11-10 18:59:34,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391. [2024-11-10 18:59:34,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 326 states have (on average 1.3496932515337423) internal successors, (440), 382 states have internal predecessors, (440), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 18:59:34,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 454 transitions. [2024-11-10 18:59:34,843 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 454 transitions. Word has length 119 [2024-11-10 18:59:34,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:34,844 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 454 transitions. [2024-11-10 18:59:34,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:59:34,844 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 454 transitions. [2024-11-10 18:59:34,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-10 18:59:34,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:34,845 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 18:59:34,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 18:59:34,845 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-10 18:59:34,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:34,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1929622946, now seen corresponding path program 1 times [2024-11-10 18:59:34,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:34,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713915277] [2024-11-10 18:59:34,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:34,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:34,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 18:59:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:34,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 18:59:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:34,938 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-10 18:59:34,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:34,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713915277] [2024-11-10 18:59:34,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713915277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:34,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:59:34,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:59:34,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114360276] [2024-11-10 18:59:34,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:34,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:59:34,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:34,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:59:34,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:59:34,940 INFO L87 Difference]: Start difference. First operand 391 states and 454 transitions. Second operand has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:59:35,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:35,101 INFO L93 Difference]: Finished difference Result 391 states and 454 transitions. [2024-11-10 18:59:35,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:59:35,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 120 [2024-11-10 18:59:35,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:35,103 INFO L225 Difference]: With dead ends: 391 [2024-11-10 18:59:35,103 INFO L226 Difference]: Without dead ends: 384 [2024-11-10 18:59:35,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:59:35,104 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 110 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:35,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 28 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:59:35,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-10 18:59:35,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2024-11-10 18:59:35,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 326 states have (on average 1.3067484662576687) internal successors, (426), 375 states have internal predecessors, (426), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 18:59:35,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 440 transitions. [2024-11-10 18:59:35,117 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 440 transitions. Word has length 120 [2024-11-10 18:59:35,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:35,117 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 440 transitions. [2024-11-10 18:59:35,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:59:35,117 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 440 transitions. [2024-11-10 18:59:35,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-10 18:59:35,118 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:35,118 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 18:59:35,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 18:59:35,119 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-10 18:59:35,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:35,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1058225340, now seen corresponding path program 1 times [2024-11-10 18:59:35,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:35,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736491200] [2024-11-10 18:59:35,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:35,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:59:35,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1735135624] [2024-11-10 18:59:35,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:35,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:35,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:35,140 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 18:59:35,149 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 18:59:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:35,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 18:59:35,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:35,330 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:59:35,330 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:35,488 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:59:35,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:35,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736491200] [2024-11-10 18:59:35,489 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:59:35,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735135624] [2024-11-10 18:59:35,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735135624] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:59:35,489 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 18:59:35,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-10 18:59:35,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949673865] [2024-11-10 18:59:35,490 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 18:59:35,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 18:59:35,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:35,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 18:59:35,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:59:35,491 INFO L87 Difference]: Start difference. First operand 384 states and 440 transitions. Second operand has 8 states, 7 states have (on average 32.285714285714285) internal successors, (226), 8 states have internal predecessors, (226), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 18:59:36,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:36,040 INFO L93 Difference]: Finished difference Result 455 states and 502 transitions. [2024-11-10 18:59:36,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:59:36,041 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 32.285714285714285) internal successors, (226), 8 states have internal predecessors, (226), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 122 [2024-11-10 18:59:36,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:36,043 INFO L225 Difference]: With dead ends: 455 [2024-11-10 18:59:36,043 INFO L226 Difference]: Without dead ends: 415 [2024-11-10 18:59:36,043 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:59:36,044 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 351 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:36,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 140 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 18:59:36,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-10 18:59:36,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 403. [2024-11-10 18:59:36,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 350 states have (on average 1.217142857142857) internal successors, (426), 395 states have internal predecessors, (426), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 18:59:36,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 438 transitions. [2024-11-10 18:59:36,059 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 438 transitions. Word has length 122 [2024-11-10 18:59:36,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:36,060 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 438 transitions. [2024-11-10 18:59:36,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 32.285714285714285) internal successors, (226), 8 states have internal predecessors, (226), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 18:59:36,060 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 438 transitions. [2024-11-10 18:59:36,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-10 18:59:36,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:36,061 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 18:59:36,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 18:59:36,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:36,263 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-10 18:59:36,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:36,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1878699551, now seen corresponding path program 1 times [2024-11-10 18:59:36,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:36,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770174906] [2024-11-10 18:59:36,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:36,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:59:36,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [141968079] [2024-11-10 18:59:36,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:36,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:36,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:36,294 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 18:59:36,321 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 18:59:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:36,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:59:36,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:36,843 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:59:36,844 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:37,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:37,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770174906] [2024-11-10 18:59:37,238 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:59:37,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141968079] [2024-11-10 18:59:37,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141968079] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:59:37,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:59:37,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 18:59:37,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096411180] [2024-11-10 18:59:37,240 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 18:59:37,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:59:37,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:37,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:59:37,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:59:37,242 INFO L87 Difference]: Start difference. First operand 403 states and 438 transitions. Second operand has 6 states, 5 states have (on average 25.8) internal successors, (129), 6 states have internal predecessors, (129), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 18:59:37,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:37,526 INFO L93 Difference]: Finished difference Result 403 states and 438 transitions. [2024-11-10 18:59:37,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:59:37,527 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.8) internal successors, (129), 6 states have internal predecessors, (129), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 141 [2024-11-10 18:59:37,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:37,528 INFO L225 Difference]: With dead ends: 403 [2024-11-10 18:59:37,528 INFO L226 Difference]: Without dead ends: 389 [2024-11-10 18:59:37,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2024-11-10 18:59:37,529 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 53 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:37,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 53 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:59:37,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-10 18:59:37,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2024-11-10 18:59:37,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 350 states have (on average 1.1571428571428573) internal successors, (405), 381 states have internal predecessors, (405), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 18:59:37,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 417 transitions. [2024-11-10 18:59:37,541 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 417 transitions. Word has length 141 [2024-11-10 18:59:37,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:37,541 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 417 transitions. [2024-11-10 18:59:37,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.8) internal successors, (129), 6 states have internal predecessors, (129), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 18:59:37,542 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 417 transitions. [2024-11-10 18:59:37,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-10 18:59:37,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:37,543 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2024-11-10 18:59:37,559 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 18:59:37,743 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,SelfDestructingSolverStorable16 [2024-11-10 18:59:37,743 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-10 18:59:37,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:37,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1889856041, now seen corresponding path program 1 times [2024-11-10 18:59:37,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:37,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431329534] [2024-11-10 18:59:37,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:37,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:59:37,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [345399291] [2024-11-10 18:59:37,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:37,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:37,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:37,763 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 18:59:37,765 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 18:59:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:37,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 18:59:37,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:38,256 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:59:38,256 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:38,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:38,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431329534] [2024-11-10 18:59:38,704 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:59:38,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345399291] [2024-11-10 18:59:38,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345399291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:59:38,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:59:38,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 18:59:38,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055501477] [2024-11-10 18:59:38,705 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 18:59:38,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:59:38,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:38,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:59:38,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:59:38,718 INFO L87 Difference]: Start difference. First operand 389 states and 417 transitions. Second operand has 7 states, 6 states have (on average 21.666666666666668) internal successors, (130), 7 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 18:59:39,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:39,107 INFO L93 Difference]: Finished difference Result 393 states and 421 transitions. [2024-11-10 18:59:39,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:59:39,108 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.666666666666668) internal successors, (130), 7 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 142 [2024-11-10 18:59:39,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:39,109 INFO L225 Difference]: With dead ends: 393 [2024-11-10 18:59:39,109 INFO L226 Difference]: Without dead ends: 355 [2024-11-10 18:59:39,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:59:39,111 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 23 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:39,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 120 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 18:59:39,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-10 18:59:39,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2024-11-10 18:59:39,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 316 states have (on average 1.1708860759493671) internal successors, (370), 347 states have internal predecessors, (370), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 18:59:39,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 382 transitions. [2024-11-10 18:59:39,122 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 382 transitions. Word has length 142 [2024-11-10 18:59:39,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:39,122 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 382 transitions. [2024-11-10 18:59:39,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.666666666666668) internal successors, (130), 7 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 18:59:39,123 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 382 transitions. [2024-11-10 18:59:39,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-10 18:59:39,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:39,124 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-10 18:59:39,141 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 18:59:39,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-10 18:59:39,325 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-10 18:59:39,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:39,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1033133536, now seen corresponding path program 1 times [2024-11-10 18:59:39,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:39,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167577635] [2024-11-10 18:59:39,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:39,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:59:39,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [985972419] [2024-11-10 18:59:39,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:39,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:39,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:39,362 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 18:59:39,363 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 18:59:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:39,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:59:39,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:39,604 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-10 18:59:39,604 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:59:39,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:39,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167577635] [2024-11-10 18:59:39,604 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:59:39,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985972419] [2024-11-10 18:59:39,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985972419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:39,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:59:39,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:59:39,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310879917] [2024-11-10 18:59:39,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:39,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:59:39,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:39,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:59:39,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:59:39,606 INFO L87 Difference]: Start difference. First operand 355 states and 382 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 18:59:39,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:39,816 INFO L93 Difference]: Finished difference Result 355 states and 382 transitions. [2024-11-10 18:59:39,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:59:39,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 150 [2024-11-10 18:59:39,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:39,818 INFO L225 Difference]: With dead ends: 355 [2024-11-10 18:59:39,818 INFO L226 Difference]: Without dead ends: 343 [2024-11-10 18:59:39,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 145 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:59:39,819 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 136 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:39,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 39 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:59:39,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-10 18:59:39,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 339. [2024-11-10 18:59:39,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 312 states have (on average 1.1153846153846154) internal successors, (348), 331 states have internal predecessors, (348), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 18:59:39,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 360 transitions. [2024-11-10 18:59:39,829 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 360 transitions. Word has length 150 [2024-11-10 18:59:39,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:39,829 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 360 transitions. [2024-11-10 18:59:39,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 18:59:39,830 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 360 transitions. [2024-11-10 18:59:39,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-10 18:59:39,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:39,831 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2024-11-10 18:59:39,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-10 18:59:40,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:40,032 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-10 18:59:40,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:40,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1962368627, now seen corresponding path program 1 times [2024-11-10 18:59:40,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:40,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253895299] [2024-11-10 18:59:40,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:40,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:59:40,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [781822354] [2024-11-10 18:59:40,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:40,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:40,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:40,062 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 18:59:40,063 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 18:59:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:40,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 18:59:40,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:40,520 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:59:40,520 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:41,674 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:59:41,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:41,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253895299] [2024-11-10 18:59:41,675 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:59:41,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781822354] [2024-11-10 18:59:41,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781822354] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-10 18:59:41,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:59:41,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 12 [2024-11-10 18:59:41,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566524698] [2024-11-10 18:59:41,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:41,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 18:59:41,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:41,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 18:59:41,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2024-11-10 18:59:41,677 INFO L87 Difference]: Start difference. First operand 339 states and 360 transitions. Second operand has 8 states, 7 states have (on average 20.571428571428573) internal successors, (144), 8 states have internal predecessors, (144), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:59:42,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:42,554 INFO L93 Difference]: Finished difference Result 339 states and 360 transitions. [2024-11-10 18:59:42,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:59:42,555 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 20.571428571428573) internal successors, (144), 8 states have internal predecessors, (144), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 151 [2024-11-10 18:59:42,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:42,556 INFO L225 Difference]: With dead ends: 339 [2024-11-10 18:59:42,556 INFO L226 Difference]: Without dead ends: 337 [2024-11-10 18:59:42,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=109, Unknown=0, NotChecked=0, Total=182 [2024-11-10 18:59:42,557 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 266 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:42,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 39 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 18:59:42,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-10 18:59:42,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2024-11-10 18:59:42,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 312 states have (on average 1.1025641025641026) internal successors, (344), 329 states have internal predecessors, (344), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 18:59:42,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 356 transitions. [2024-11-10 18:59:42,571 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 356 transitions. Word has length 151 [2024-11-10 18:59:42,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:42,572 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 356 transitions. [2024-11-10 18:59:42,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 20.571428571428573) internal successors, (144), 8 states have internal predecessors, (144), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:59:42,572 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 356 transitions. [2024-11-10 18:59:42,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-10 18:59:42,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:42,573 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-10 18:59:42,590 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 18:59:42,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:42,778 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-10 18:59:42,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:42,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1892636313, now seen corresponding path program 1 times [2024-11-10 18:59:42,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:42,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473621776] [2024-11-10 18:59:42,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:42,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:59:42,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2057790249] [2024-11-10 18:59:42,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:42,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:42,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:42,812 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 18:59:42,814 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 18:59:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:42,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:59:42,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:43,044 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 149 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:59:43,044 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:43,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:43,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473621776] [2024-11-10 18:59:43,106 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:59:43,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057790249] [2024-11-10 18:59:43,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057790249] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:59:43,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:59:43,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 18:59:43,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609805969] [2024-11-10 18:59:43,107 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 18:59:43,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:59:43,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:43,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:59:43,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:59:43,108 INFO L87 Difference]: Start difference. First operand 337 states and 356 transitions. Second operand has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 18:59:43,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:43,392 INFO L93 Difference]: Finished difference Result 397 states and 416 transitions. [2024-11-10 18:59:43,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:59:43,392 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 168 [2024-11-10 18:59:43,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:43,394 INFO L225 Difference]: With dead ends: 397 [2024-11-10 18:59:43,394 INFO L226 Difference]: Without dead ends: 392 [2024-11-10 18:59:43,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:59:43,394 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 157 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:43,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 84 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:59:43,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-10 18:59:43,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 337. [2024-11-10 18:59:43,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 312 states have (on average 1.0865384615384615) internal successors, (339), 329 states have internal predecessors, (339), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 18:59:43,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 351 transitions. [2024-11-10 18:59:43,407 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 351 transitions. Word has length 168 [2024-11-10 18:59:43,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:43,407 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 351 transitions. [2024-11-10 18:59:43,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 18:59:43,407 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 351 transitions. [2024-11-10 18:59:43,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-10 18:59:43,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:43,409 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2024-11-10 18:59:43,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-10 18:59:43,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-10 18:59:43,610 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-10 18:59:43,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:43,610 INFO L85 PathProgramCache]: Analyzing trace with hash 2052332439, now seen corresponding path program 1 times [2024-11-10 18:59:43,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:43,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730746211] [2024-11-10 18:59:43,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:43,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:59:43,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1870478142] [2024-11-10 18:59:43,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:43,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:43,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:43,633 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 18:59:43,634 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 18:59:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:43,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 18:59:43,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:43,867 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:59:43,867 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:44,162 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:59:44,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:44,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730746211] [2024-11-10 18:59:44,162 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:59:44,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870478142] [2024-11-10 18:59:44,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870478142] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:59:44,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 18:59:44,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-10 18:59:44,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004936716] [2024-11-10 18:59:44,163 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 18:59:44,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 18:59:44,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:44,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 18:59:44,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:59:44,165 INFO L87 Difference]: Start difference. First operand 337 states and 351 transitions. Second operand has 10 states, 9 states have (on average 34.666666666666664) internal successors, (312), 10 states have internal predecessors, (312), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 18:59:44,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:44,685 INFO L93 Difference]: Finished difference Result 415 states and 435 transitions. [2024-11-10 18:59:44,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 18:59:44,686 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 34.666666666666664) internal successors, (312), 10 states have internal predecessors, (312), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 170 [2024-11-10 18:59:44,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:44,687 INFO L225 Difference]: With dead ends: 415 [2024-11-10 18:59:44,687 INFO L226 Difference]: Without dead ends: 403 [2024-11-10 18:59:44,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:59:44,688 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 574 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:44,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 221 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 18:59:44,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-10 18:59:44,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 323. [2024-11-10 18:59:44,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 306 states have (on average 1.0457516339869282) internal successors, (320), 315 states have internal predecessors, (320), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 18:59:44,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 332 transitions. [2024-11-10 18:59:44,703 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 332 transitions. Word has length 170 [2024-11-10 18:59:44,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:44,704 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 332 transitions. [2024-11-10 18:59:44,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 34.666666666666664) internal successors, (312), 10 states have internal predecessors, (312), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 18:59:44,704 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 332 transitions. [2024-11-10 18:59:44,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-10 18:59:44,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:44,706 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2024-11-10 18:59:44,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-10 18:59:44,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-10 18:59:44,907 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-10 18:59:44,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:44,907 INFO L85 PathProgramCache]: Analyzing trace with hash 901486741, now seen corresponding path program 1 times [2024-11-10 18:59:44,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:44,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667632833] [2024-11-10 18:59:44,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:44,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:59:44,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [799644219] [2024-11-10 18:59:44,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:44,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:44,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:44,937 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 18:59:44,939 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 18:59:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:45,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 18:59:45,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:45,196 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 6 proven. 157 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 18:59:45,197 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:53,293 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15)) (.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 10)) (.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6))) (or (< (+ (* (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) 6) (* |c_ULTIMATE.start_main_~y~0#1| 4) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) (* 4 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (div (+ .cse0 .cse1 .cse2 (* (- 1) |c_ULTIMATE.start_main_~y~0#1|)) 30)) 2147483647) (not (= (mod (+ .cse0 .cse1 (* |c_ULTIMATE.start_main_~y~0#1| 29) .cse2) 30) 0)))) is different from false [2024-11-10 19:00:06,792 WARN L286 SmtUtils]: Spent 9.44s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)