./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound2.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 ebdf8b0d6633d593d56778eaf5218135ab2be92cae14e75cdda2462494f96410 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:41:32,833 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:41:32,896 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:41:32,899 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:41:32,901 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:41:32,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:41:32,938 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:41:32,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:41:32,939 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:41:32,939 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:41:32,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:41:32,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:41:32,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:41:32,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:41:32,940 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:41:32,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:41:32,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:41:32,950 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:41:32,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:41:32,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:41:32,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:41:32,958 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:41:32,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:41:32,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:41:32,958 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:41:32,958 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:41:32,958 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:41:32,959 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:41:32,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:41:32,959 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:41:32,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:41:32,959 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:41:32,959 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:41:32,959 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:41:32,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:41:32,960 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:41:32,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:41:32,960 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:41:32,960 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:41:32,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:41:32,960 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:41:32,965 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:41:32,965 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:41:32,965 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:41:32,966 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebdf8b0d6633d593d56778eaf5218135ab2be92cae14e75cdda2462494f96410 [2024-11-09 11:41:33,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:41:33,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:41:33,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:41:33,218 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:41:33,218 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:41:33,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound2.c [2024-11-09 11:41:34,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:41:34,870 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:41:34,870 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound2.c [2024-11-09 11:41:34,877 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c6b05ec3/48c7fae5ad2f47abb141c1f0668a0028/FLAGafe9e8441 [2024-11-09 11:41:35,281 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c6b05ec3/48c7fae5ad2f47abb141c1f0668a0028 [2024-11-09 11:41:35,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:41:35,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:41:35,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:41:35,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:41:35,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:41:35,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:41:35" (1/1) ... [2024-11-09 11:41:35,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f5ffa9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:35, skipping insertion in model container [2024-11-09 11:41:35,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:41:35" (1/1) ... [2024-11-09 11:41:35,307 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:41:35,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:41:35,489 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:41:35,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:41:35,545 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:41:35,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:35 WrapperNode [2024-11-09 11:41:35,546 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:41:35,546 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:41:35,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:41:35,547 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:41:35,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:35" (1/1) ... [2024-11-09 11:41:35,557 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:35" (1/1) ... [2024-11-09 11:41:35,581 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 149 [2024-11-09 11:41:35,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:41:35,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:41:35,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:41:35,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:41:35,595 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:35" (1/1) ... [2024-11-09 11:41:35,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:35" (1/1) ... [2024-11-09 11:41:35,598 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:35" (1/1) ... [2024-11-09 11:41:35,617 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 11:41:35,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:35" (1/1) ... [2024-11-09 11:41:35,617 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:35" (1/1) ... [2024-11-09 11:41:35,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:35" (1/1) ... [2024-11-09 11:41:35,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:35" (1/1) ... [2024-11-09 11:41:35,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:35" (1/1) ... [2024-11-09 11:41:35,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:35" (1/1) ... [2024-11-09 11:41:35,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:41:35,634 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:41:35,634 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:41:35,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:41:35,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:35" (1/1) ... [2024-11-09 11:41:35,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:41:35,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:35,674 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) [2024-11-09 11:41:35,676 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 [2024-11-09 11:41:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:41:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 11:41:35,717 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 11:41:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:41:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:41:35,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:41:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:41:35,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:41:35,783 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:41:35,784 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:41:36,448 INFO L? ?]: Removed 196 outVars from TransFormulas that were not future-live. [2024-11-09 11:41:36,448 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:41:36,468 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:41:36,470 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 11:41:36,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:41:36 BoogieIcfgContainer [2024-11-09 11:41:36,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:41:36,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:41:36,473 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:41:36,481 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:41:36,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:41:35" (1/3) ... [2024-11-09 11:41:36,482 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1132f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:41:36, skipping insertion in model container [2024-11-09 11:41:36,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:35" (2/3) ... [2024-11-09 11:41:36,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1132f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:41:36, skipping insertion in model container [2024-11-09 11:41:36,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:41:36" (3/3) ... [2024-11-09 11:41:36,488 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd2-ll_valuebound2.c [2024-11-09 11:41:36,509 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:41:36,509 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2024-11-09 11:41:36,556 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:41:36,565 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;@13115e25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:41:36,565 INFO L334 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2024-11-09 11:41:36,569 INFO L276 IsEmpty]: Start isEmpty. Operand has 163 states, 84 states have (on average 1.8571428571428572) internal successors, (156), 149 states have internal predecessors, (156), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 11:41:36,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 11:41:36,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:36,575 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:36,575 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:41:36,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:36,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1839957436, now seen corresponding path program 1 times [2024-11-09 11:41:36,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:36,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852884017] [2024-11-09 11:41:36,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:36,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:36,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:36,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:41:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:36,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:41:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:36,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:41:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:36,762 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:36,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:36,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852884017] [2024-11-09 11:41:36,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852884017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:36,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:36,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:41:36,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263568840] [2024-11-09 11:41:36,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:36,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 11:41:36,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:36,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 11:41:36,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:41:36,798 INFO L87 Difference]: Start difference. First operand has 163 states, 84 states have (on average 1.8571428571428572) internal successors, (156), 149 states have internal predecessors, (156), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:41:36,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:36,833 INFO L93 Difference]: Finished difference Result 321 states and 367 transitions. [2024-11-09 11:41:36,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 11:41:36,835 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2024-11-09 11:41:36,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:36,842 INFO L225 Difference]: With dead ends: 321 [2024-11-09 11:41:36,842 INFO L226 Difference]: Without dead ends: 155 [2024-11-09 11:41:36,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:41:36,849 INFO L432 NwaCegarLoop]: 172 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, 172 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 [2024-11-09 11:41:36,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:41:36,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-09 11:41:36,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-09 11:41:36,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 79 states have (on average 1.8101265822784811) internal successors, (143), 142 states have internal predecessors, (143), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 11:41:36,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 165 transitions. [2024-11-09 11:41:36,891 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 165 transitions. Word has length 25 [2024-11-09 11:41:36,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:36,891 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 165 transitions. [2024-11-09 11:41:36,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:41:36,892 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 165 transitions. [2024-11-09 11:41:36,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 11:41:36,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:36,894 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:36,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:41:36,894 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:41:36,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:36,895 INFO L85 PathProgramCache]: Analyzing trace with hash 591615616, now seen corresponding path program 1 times [2024-11-09 11:41:36,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:36,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198261931] [2024-11-09 11:41:36,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:36,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:36,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1589462353] [2024-11-09 11:41:36,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:36,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:36,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:36,933 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) [2024-11-09 11:41:36,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:41:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:36,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 11:41:36,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:37,203 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:37,203 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:37,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:37,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198261931] [2024-11-09 11:41:37,204 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:37,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589462353] [2024-11-09 11:41:37,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589462353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:37,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:37,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 11:41:37,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644905204] [2024-11-09 11:41:37,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:37,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:41:37,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:37,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:41:37,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:41:37,208 INFO L87 Difference]: Start difference. First operand 155 states and 165 transitions. Second operand has 7 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 11:41:37,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:37,511 INFO L93 Difference]: Finished difference Result 155 states and 165 transitions. [2024-11-09 11:41:37,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:41:37,511 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 25 [2024-11-09 11:41:37,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:37,513 INFO L225 Difference]: With dead ends: 155 [2024-11-09 11:41:37,513 INFO L226 Difference]: Without dead ends: 153 [2024-11-09 11:41:37,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:41:37,514 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 196 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:37,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 227 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:41:37,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-09 11:41:37,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2024-11-09 11:41:37,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 79 states have (on average 1.7848101265822784) internal successors, (141), 140 states have internal predecessors, (141), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 11:41:37,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 163 transitions. [2024-11-09 11:41:37,527 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 163 transitions. Word has length 25 [2024-11-09 11:41:37,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:37,528 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 163 transitions. [2024-11-09 11:41:37,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 11:41:37,529 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2024-11-09 11:41:37,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 11:41:37,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:37,529 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:37,544 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:41:37,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:37,734 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:41:37,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:37,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1160214954, now seen corresponding path program 1 times [2024-11-09 11:41:37,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:37,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510768835] [2024-11-09 11:41:37,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:37,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:37,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [23041172] [2024-11-09 11:41:37,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:37,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:37,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:37,776 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) [2024-11-09 11:41:37,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:41:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:37,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 11:41:37,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:37,938 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:37,938 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:38,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:38,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510768835] [2024-11-09 11:41:38,188 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:38,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23041172] [2024-11-09 11:41:38,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [23041172] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:38,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:38,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-09 11:41:38,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156787568] [2024-11-09 11:41:38,189 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:38,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:41:38,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:38,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:41:38,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:41:38,191 INFO L87 Difference]: Start difference. First operand 153 states and 163 transitions. Second operand has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 11:41:38,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:38,471 INFO L93 Difference]: Finished difference Result 153 states and 163 transitions. [2024-11-09 11:41:38,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:41:38,472 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 26 [2024-11-09 11:41:38,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:38,473 INFO L225 Difference]: With dead ends: 153 [2024-11-09 11:41:38,473 INFO L226 Difference]: Without dead ends: 152 [2024-11-09 11:41:38,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:41:38,474 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 103 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:38,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 244 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:41:38,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-09 11:41:38,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2024-11-09 11:41:38,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 79 states have (on average 1.7721518987341771) internal successors, (140), 139 states have internal predecessors, (140), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 11:41:38,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 162 transitions. [2024-11-09 11:41:38,481 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 162 transitions. Word has length 26 [2024-11-09 11:41:38,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:38,482 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 162 transitions. [2024-11-09 11:41:38,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 11:41:38,482 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 162 transitions. [2024-11-09 11:41:38,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 11:41:38,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:38,483 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:38,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:38,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-09 11:41:38,683 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:41:38,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:38,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1342616358, now seen corresponding path program 1 times [2024-11-09 11:41:38,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:38,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088725702] [2024-11-09 11:41:38,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:38,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:38,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:38,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:41:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:38,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:41:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:38,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:41:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:38,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:41:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:38,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:41:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:38,877 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 11:41:38,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:38,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088725702] [2024-11-09 11:41:38,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088725702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:38,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852768921] [2024-11-09 11:41:38,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:38,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:38,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:38,892 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) [2024-11-09 11:41:38,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:41:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:38,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:41:38,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:38,964 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:41:38,964 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:38,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852768921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:38,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:38,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-11-09 11:41:38,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491442417] [2024-11-09 11:41:38,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:38,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:41:38,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:38,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:41:38,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:38,966 INFO L87 Difference]: Start difference. First operand 152 states and 162 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:41:39,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:39,444 INFO L93 Difference]: Finished difference Result 258 states and 290 transitions. [2024-11-09 11:41:39,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:41:39,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2024-11-09 11:41:39,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:39,446 INFO L225 Difference]: With dead ends: 258 [2024-11-09 11:41:39,446 INFO L226 Difference]: Without dead ends: 248 [2024-11-09 11:41:39,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:39,447 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 89 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:39,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 220 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:41:39,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-09 11:41:39,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 205. [2024-11-09 11:41:39,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 128 states have (on average 1.7578125) internal successors, (225), 187 states have internal predecessors, (225), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 11:41:39,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 255 transitions. [2024-11-09 11:41:39,461 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 255 transitions. Word has length 41 [2024-11-09 11:41:39,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:39,461 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 255 transitions. [2024-11-09 11:41:39,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:41:39,461 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 255 transitions. [2024-11-09 11:41:39,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 11:41:39,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:39,462 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:39,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:41:39,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:39,664 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:41:39,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:39,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1328567401, now seen corresponding path program 1 times [2024-11-09 11:41:39,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:39,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517646363] [2024-11-09 11:41:39,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:39,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:39,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1196298254] [2024-11-09 11:41:39,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:39,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:39,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:39,716 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) [2024-11-09 11:41:39,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:41:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:39,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:41:39,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:39,761 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:41:39,761 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:39,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:39,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517646363] [2024-11-09 11:41:39,761 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:39,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196298254] [2024-11-09 11:41:39,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196298254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:39,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:39,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:41:39,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629185879] [2024-11-09 11:41:39,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:39,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:41:39,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:39,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:41:39,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:41:39,763 INFO L87 Difference]: Start difference. First operand 205 states and 255 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-09 11:41:39,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:39,877 INFO L93 Difference]: Finished difference Result 351 states and 451 transitions. [2024-11-09 11:41:39,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:41:39,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 42 [2024-11-09 11:41:39,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:39,880 INFO L225 Difference]: With dead ends: 351 [2024-11-09 11:41:39,880 INFO L226 Difference]: Without dead ends: 343 [2024-11-09 11:41:39,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:41:39,881 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 83 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:39,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 274 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:41:39,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-09 11:41:39,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 304. [2024-11-09 11:41:39,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 219 states have (on average 1.7625570776255708) internal successors, (386), 278 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:41:39,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 432 transitions. [2024-11-09 11:41:39,894 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 432 transitions. Word has length 42 [2024-11-09 11:41:39,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:39,894 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 432 transitions. [2024-11-09 11:41:39,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-09 11:41:39,894 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 432 transitions. [2024-11-09 11:41:39,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 11:41:39,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:39,895 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:39,908 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:41:40,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:40,096 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:41:40,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:40,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1764137224, now seen corresponding path program 1 times [2024-11-09 11:41:40,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:40,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281450311] [2024-11-09 11:41:40,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:40,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:40,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:40,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:41:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:40,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:41:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:40,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:41:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:40,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:41:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:40,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:41:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:40,178 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 11:41:40,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:40,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281450311] [2024-11-09 11:41:40,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281450311] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:40,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777595817] [2024-11-09 11:41:40,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:40,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:40,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:40,180 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) [2024-11-09 11:41:40,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:41:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:40,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:41:40,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:40,262 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:41:40,262 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:40,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777595817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:40,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:40,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:41:40,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414079144] [2024-11-09 11:41:40,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:40,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:40,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:40,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:40,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:40,264 INFO L87 Difference]: Start difference. First operand 304 states and 432 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:41:40,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:40,766 INFO L93 Difference]: Finished difference Result 323 states and 454 transitions. [2024-11-09 11:41:40,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:40,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-11-09 11:41:40,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:40,768 INFO L225 Difference]: With dead ends: 323 [2024-11-09 11:41:40,769 INFO L226 Difference]: Without dead ends: 322 [2024-11-09 11:41:40,769 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:40,770 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 59 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:40,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 203 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:41:40,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-09 11:41:40,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 305. [2024-11-09 11:41:40,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 220 states have (on average 1.759090909090909) internal successors, (387), 279 states have internal predecessors, (387), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:41:40,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 433 transitions. [2024-11-09 11:41:40,787 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 433 transitions. Word has length 43 [2024-11-09 11:41:40,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:40,788 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 433 transitions. [2024-11-09 11:41:40,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:41:40,788 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 433 transitions. [2024-11-09 11:41:40,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 11:41:40,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:40,788 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:40,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:40,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:40,989 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:41:40,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:40,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1147983047, now seen corresponding path program 1 times [2024-11-09 11:41:40,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:40,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185923836] [2024-11-09 11:41:40,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:40,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:41,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:41,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:41:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:41,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:41:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:41,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:41:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:41,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:41:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:41,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:41:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:41,217 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 11:41:41,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:41,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185923836] [2024-11-09 11:41:41,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185923836] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:41,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765718118] [2024-11-09 11:41:41,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:41,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:41,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:41,220 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) [2024-11-09 11:41:41,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:41:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:41,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:41:41,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:41,329 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:41:41,330 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:41,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765718118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:41,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:41,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-09 11:41:41,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120575873] [2024-11-09 11:41:41,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:41,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:41:41,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:41,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:41:41,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:41:41,332 INFO L87 Difference]: Start difference. First operand 305 states and 433 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:41:42,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:42,255 INFO L93 Difference]: Finished difference Result 386 states and 453 transitions. [2024-11-09 11:41:42,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:41:42,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-11-09 11:41:42,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:42,258 INFO L225 Difference]: With dead ends: 386 [2024-11-09 11:41:42,258 INFO L226 Difference]: Without dead ends: 385 [2024-11-09 11:41:42,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:41:42,259 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 424 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:42,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 315 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 11:41:42,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-09 11:41:42,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 305. [2024-11-09 11:41:42,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 220 states have (on average 1.7545454545454546) internal successors, (386), 279 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:41:42,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 432 transitions. [2024-11-09 11:41:42,268 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 432 transitions. Word has length 44 [2024-11-09 11:41:42,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:42,269 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 432 transitions. [2024-11-09 11:41:42,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:41:42,269 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 432 transitions. [2024-11-09 11:41:42,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 11:41:42,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:42,270 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:42,283 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 11:41:42,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:42,474 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:41:42,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:42,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1146320713, now seen corresponding path program 1 times [2024-11-09 11:41:42,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:42,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260667048] [2024-11-09 11:41:42,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:42,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:42,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:42,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:41:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:42,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:41:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:42,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:41:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:42,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:41:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:42,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:41:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:42,539 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 11:41:42,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:42,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260667048] [2024-11-09 11:41:42,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260667048] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:42,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246192608] [2024-11-09 11:41:42,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:42,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:42,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:42,541 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) [2024-11-09 11:41:42,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:41:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:42,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:41:42,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:42,631 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:41:42,631 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:42,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246192608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:42,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:42,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:41:42,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924794850] [2024-11-09 11:41:42,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:42,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:42,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:42,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:42,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:42,633 INFO L87 Difference]: Start difference. First operand 305 states and 432 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:41:43,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:43,210 INFO L93 Difference]: Finished difference Result 323 states and 452 transitions. [2024-11-09 11:41:43,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:43,211 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-11-09 11:41:43,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:43,214 INFO L225 Difference]: With dead ends: 323 [2024-11-09 11:41:43,214 INFO L226 Difference]: Without dead ends: 322 [2024-11-09 11:41:43,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:43,215 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 58 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:43,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 204 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:41:43,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-09 11:41:43,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 306. [2024-11-09 11:41:43,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 221 states have (on average 1.751131221719457) internal successors, (387), 280 states have internal predecessors, (387), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:41:43,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 433 transitions. [2024-11-09 11:41:43,240 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 433 transitions. Word has length 44 [2024-11-09 11:41:43,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:43,241 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 433 transitions. [2024-11-09 11:41:43,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:41:43,241 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 433 transitions. [2024-11-09 11:41:43,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 11:41:43,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:43,242 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:43,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 11:41:43,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:43,443 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:41:43,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:43,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1227736010, now seen corresponding path program 1 times [2024-11-09 11:41:43,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:43,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392296530] [2024-11-09 11:41:43,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:43,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:43,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [974819722] [2024-11-09 11:41:43,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:43,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:43,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:43,459 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) [2024-11-09 11:41:43,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:41:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:43,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:41:43,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:43,550 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:41:43,550 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:43,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:43,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392296530] [2024-11-09 11:41:43,551 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:43,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974819722] [2024-11-09 11:41:43,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974819722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:43,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:43,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:41:43,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916302305] [2024-11-09 11:41:43,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:43,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:41:43,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:43,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:41:43,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:41:43,552 INFO L87 Difference]: Start difference. First operand 306 states and 433 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:41:44,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:44,345 INFO L93 Difference]: Finished difference Result 385 states and 451 transitions. [2024-11-09 11:41:44,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:41:44,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2024-11-09 11:41:44,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:44,350 INFO L225 Difference]: With dead ends: 385 [2024-11-09 11:41:44,350 INFO L226 Difference]: Without dead ends: 384 [2024-11-09 11:41:44,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:44,350 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 463 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:44,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 287 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:41:44,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-09 11:41:44,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 306. [2024-11-09 11:41:44,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 221 states have (on average 1.746606334841629) internal successors, (386), 280 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:41:44,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 432 transitions. [2024-11-09 11:41:44,374 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 432 transitions. Word has length 45 [2024-11-09 11:41:44,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:44,374 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 432 transitions. [2024-11-09 11:41:44,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:41:44,375 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 432 transitions. [2024-11-09 11:41:44,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 11:41:44,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:44,375 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:44,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 11:41:44,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-09 11:41:44,576 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:41:44,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:44,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1176203542, now seen corresponding path program 1 times [2024-11-09 11:41:44,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:44,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725808398] [2024-11-09 11:41:44,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:44,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:44,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:44,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:41:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:44,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:41:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:44,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:41:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:44,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:41:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:44,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:41:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:44,700 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 11:41:44,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:44,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725808398] [2024-11-09 11:41:44,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725808398] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:44,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394546929] [2024-11-09 11:41:44,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:44,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:44,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:44,706 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) [2024-11-09 11:41:44,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:41:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:44,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:44,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:44,831 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:41:44,832 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:44,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394546929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:44,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:44,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:41:44,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620191031] [2024-11-09 11:41:44,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:44,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:44,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:44,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:44,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:44,836 INFO L87 Difference]: Start difference. First operand 306 states and 432 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:41:46,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:46,218 INFO L93 Difference]: Finished difference Result 355 states and 460 transitions. [2024-11-09 11:41:46,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:46,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2024-11-09 11:41:46,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:46,220 INFO L225 Difference]: With dead ends: 355 [2024-11-09 11:41:46,220 INFO L226 Difference]: Without dead ends: 351 [2024-11-09 11:41:46,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:46,221 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 96 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:46,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 273 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 11:41:46,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-09 11:41:46,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 307. [2024-11-09 11:41:46,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 222 states have (on average 1.7207207207207207) internal successors, (382), 281 states have internal predecessors, (382), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:41:46,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 428 transitions. [2024-11-09 11:41:46,231 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 428 transitions. Word has length 45 [2024-11-09 11:41:46,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:46,231 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 428 transitions. [2024-11-09 11:41:46,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:41:46,231 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 428 transitions. [2024-11-09 11:41:46,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 11:41:46,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:46,232 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:46,247 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 11:41:46,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-09 11:41:46,437 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:41:46,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:46,437 INFO L85 PathProgramCache]: Analyzing trace with hash -2102571239, now seen corresponding path program 1 times [2024-11-09 11:41:46,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:46,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873501622] [2024-11-09 11:41:46,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:46,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:46,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:46,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:41:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:46,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:41:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:46,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:41:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:46,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:41:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:46,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:41:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:46,499 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 11:41:46,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:46,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873501622] [2024-11-09 11:41:46,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873501622] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:46,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709291048] [2024-11-09 11:41:46,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:46,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:46,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:46,501 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) [2024-11-09 11:41:46,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:41:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:46,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:46,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:46,657 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:41:46,657 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:46,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709291048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:46,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:46,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:41:46,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697556478] [2024-11-09 11:41:46,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:46,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:46,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:46,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:46,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:46,659 INFO L87 Difference]: Start difference. First operand 307 states and 428 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:41:48,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:48,016 INFO L93 Difference]: Finished difference Result 354 states and 454 transitions. [2024-11-09 11:41:48,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:48,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 46 [2024-11-09 11:41:48,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:48,018 INFO L225 Difference]: With dead ends: 354 [2024-11-09 11:41:48,018 INFO L226 Difference]: Without dead ends: 350 [2024-11-09 11:41:48,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:48,018 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 95 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:48,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 279 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 11:41:48,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-09 11:41:48,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 308. [2024-11-09 11:41:48,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 223 states have (on average 1.695067264573991) internal successors, (378), 282 states have internal predecessors, (378), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:41:48,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 424 transitions. [2024-11-09 11:41:48,031 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 424 transitions. Word has length 46 [2024-11-09 11:41:48,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:48,031 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 424 transitions. [2024-11-09 11:41:48,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:41:48,031 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 424 transitions. [2024-11-09 11:41:48,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 11:41:48,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:48,033 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:48,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 11:41:48,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-09 11:41:48,234 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:41:48,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:48,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1607282437, now seen corresponding path program 1 times [2024-11-09 11:41:48,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:48,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626929771] [2024-11-09 11:41:48,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:48,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:48,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [262889391] [2024-11-09 11:41:48,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:48,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:48,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:48,250 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) [2024-11-09 11:41:48,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:41:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:41:48,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:48,317 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:41:48,317 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:48,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:48,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626929771] [2024-11-09 11:41:48,317 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:48,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262889391] [2024-11-09 11:41:48,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262889391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:48,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:48,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:41:48,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386002954] [2024-11-09 11:41:48,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:48,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:41:48,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:48,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:41:48,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:41:48,319 INFO L87 Difference]: Start difference. First operand 308 states and 424 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:48,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:48,421 INFO L93 Difference]: Finished difference Result 356 states and 448 transitions. [2024-11-09 11:41:48,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:41:48,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 51 [2024-11-09 11:41:48,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:48,423 INFO L225 Difference]: With dead ends: 356 [2024-11-09 11:41:48,423 INFO L226 Difference]: Without dead ends: 352 [2024-11-09 11:41:48,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:41:48,423 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 84 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:48,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 288 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:41:48,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-09 11:41:48,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 313. [2024-11-09 11:41:48,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 227 states have (on average 1.6740088105726871) internal successors, (380), 286 states have internal predecessors, (380), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 11:41:48,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 428 transitions. [2024-11-09 11:41:48,432 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 428 transitions. Word has length 51 [2024-11-09 11:41:48,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:48,433 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 428 transitions. [2024-11-09 11:41:48,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:48,433 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 428 transitions. [2024-11-09 11:41:48,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 11:41:48,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:48,434 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:48,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 11:41:48,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-09 11:41:48,634 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:41:48,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:48,635 INFO L85 PathProgramCache]: Analyzing trace with hash 29733890, now seen corresponding path program 1 times [2024-11-09 11:41:48,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:48,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324994878] [2024-11-09 11:41:48,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:48,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:41:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:41:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:41:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:41:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:41:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 11:41:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,703 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 11:41:48,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:48,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324994878] [2024-11-09 11:41:48,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324994878] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:48,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033792082] [2024-11-09 11:41:48,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:48,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:48,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:48,705 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) [2024-11-09 11:41:48,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:41:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:48,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:48,793 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:41:48,793 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:48,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033792082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:48,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:48,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:41:48,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155755744] [2024-11-09 11:41:48,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:48,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:48,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:48,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:48,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:48,795 INFO L87 Difference]: Start difference. First operand 313 states and 428 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:49,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:49,150 INFO L93 Difference]: Finished difference Result 334 states and 432 transitions. [2024-11-09 11:41:49,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:49,150 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2024-11-09 11:41:49,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:49,152 INFO L225 Difference]: With dead ends: 334 [2024-11-09 11:41:49,152 INFO L226 Difference]: Without dead ends: 332 [2024-11-09 11:41:49,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:49,152 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 166 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:49,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 218 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:41:49,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-09 11:41:49,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 313. [2024-11-09 11:41:49,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 227 states have (on average 1.6607929515418502) internal successors, (377), 286 states have internal predecessors, (377), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 11:41:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 425 transitions. [2024-11-09 11:41:49,161 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 425 transitions. Word has length 52 [2024-11-09 11:41:49,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:49,162 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 425 transitions. [2024-11-09 11:41:49,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:49,162 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 425 transitions. [2024-11-09 11:41:49,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 11:41:49,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:49,163 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:49,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 11:41:49,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-09 11:41:49,366 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:41:49,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:49,367 INFO L85 PathProgramCache]: Analyzing trace with hash 921750790, now seen corresponding path program 1 times [2024-11-09 11:41:49,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:49,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254401019] [2024-11-09 11:41:49,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:49,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:49,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:49,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:41:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:49,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:41:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:49,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:41:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:49,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:41:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:49,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:41:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:49,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 11:41:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:49,463 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 11:41:49,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:49,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254401019] [2024-11-09 11:41:49,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254401019] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:49,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719850334] [2024-11-09 11:41:49,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:49,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:49,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:49,467 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) [2024-11-09 11:41:49,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 11:41:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:49,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:49,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:49,592 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:41:49,592 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:49,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719850334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:49,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:49,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:41:49,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647989532] [2024-11-09 11:41:49,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:49,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:49,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:49,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:49,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:49,594 INFO L87 Difference]: Start difference. First operand 313 states and 425 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:49,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:49,938 INFO L93 Difference]: Finished difference Result 334 states and 429 transitions. [2024-11-09 11:41:49,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:49,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2024-11-09 11:41:49,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:49,940 INFO L225 Difference]: With dead ends: 334 [2024-11-09 11:41:49,940 INFO L226 Difference]: Without dead ends: 332 [2024-11-09 11:41:49,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:49,941 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 229 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:49,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 200 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:41:49,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-09 11:41:49,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 313. [2024-11-09 11:41:49,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 227 states have (on average 1.6475770925110131) internal successors, (374), 286 states have internal predecessors, (374), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 11:41:49,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 422 transitions. [2024-11-09 11:41:49,950 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 422 transitions. Word has length 53 [2024-11-09 11:41:49,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:49,950 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 422 transitions. [2024-11-09 11:41:49,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:49,950 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 422 transitions. [2024-11-09 11:41:49,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 11:41:49,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:49,951 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:49,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:50,151 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,SelfDestructingSolverStorable13 [2024-11-09 11:41:50,155 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:41:50,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:50,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1203545985, now seen corresponding path program 1 times [2024-11-09 11:41:50,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:50,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036743107] [2024-11-09 11:41:50,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:50,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:50,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1708823348] [2024-11-09 11:41:50,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:50,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:50,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:50,186 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) [2024-11-09 11:41:50,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 11:41:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:50,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:50,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:50,275 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:41:50,275 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:50,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:50,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036743107] [2024-11-09 11:41:50,275 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:50,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708823348] [2024-11-09 11:41:50,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708823348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:50,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:50,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:41:50,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753371444] [2024-11-09 11:41:50,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:50,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:50,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:50,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:50,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:50,277 INFO L87 Difference]: Start difference. First operand 313 states and 422 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:50,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:50,824 INFO L93 Difference]: Finished difference Result 350 states and 436 transitions. [2024-11-09 11:41:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:50,824 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2024-11-09 11:41:50,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:50,825 INFO L225 Difference]: With dead ends: 350 [2024-11-09 11:41:50,825 INFO L226 Difference]: Without dead ends: 348 [2024-11-09 11:41:50,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:50,826 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 137 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:50,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 290 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:41:50,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-09 11:41:50,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 314. [2024-11-09 11:41:50,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 228 states have (on average 1.6359649122807018) internal successors, (373), 287 states have internal predecessors, (373), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 11:41:50,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 421 transitions. [2024-11-09 11:41:50,834 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 421 transitions. Word has length 55 [2024-11-09 11:41:50,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:50,835 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 421 transitions. [2024-11-09 11:41:50,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:50,835 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 421 transitions. [2024-11-09 11:41:50,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 11:41:50,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:50,835 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:50,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:51,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:51,040 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:41:51,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:51,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1344780221, now seen corresponding path program 1 times [2024-11-09 11:41:51,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:51,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626565653] [2024-11-09 11:41:51,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:51,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:51,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1879412750] [2024-11-09 11:41:51,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:51,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:51,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:51,050 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:51,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 11:41:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:51,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:51,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:51,146 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:41:51,146 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:51,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:51,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626565653] [2024-11-09 11:41:51,146 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:51,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879412750] [2024-11-09 11:41:51,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879412750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:51,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:51,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:41:51,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670588413] [2024-11-09 11:41:51,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:51,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:51,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:51,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:51,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:51,147 INFO L87 Difference]: Start difference. First operand 314 states and 421 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:51,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:51,752 INFO L93 Difference]: Finished difference Result 350 states and 433 transitions. [2024-11-09 11:41:51,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:51,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 56 [2024-11-09 11:41:51,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:51,754 INFO L225 Difference]: With dead ends: 350 [2024-11-09 11:41:51,754 INFO L226 Difference]: Without dead ends: 335 [2024-11-09 11:41:51,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:51,755 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 135 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:51,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 294 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:41:51,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-09 11:41:51,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 302. [2024-11-09 11:41:51,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.6543778801843319) internal successors, (359), 276 states have internal predecessors, (359), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:41:51,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 405 transitions. [2024-11-09 11:41:51,767 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 405 transitions. Word has length 56 [2024-11-09 11:41:51,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:51,767 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 405 transitions. [2024-11-09 11:41:51,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:51,768 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 405 transitions. [2024-11-09 11:41:51,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 11:41:51,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:51,768 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:51,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:51,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 11:41:51,970 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:41:51,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:51,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1270414803, now seen corresponding path program 1 times [2024-11-09 11:41:51,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:51,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818894924] [2024-11-09 11:41:51,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:51,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:51,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [340379251] [2024-11-09 11:41:51,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:51,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:51,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:51,985 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:51,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 11:41:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:52,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:52,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:52,089 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:41:52,090 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:52,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:52,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818894924] [2024-11-09 11:41:52,090 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:52,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340379251] [2024-11-09 11:41:52,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340379251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:52,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:52,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:41:52,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152047751] [2024-11-09 11:41:52,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:52,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:52,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:52,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:52,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:52,091 INFO L87 Difference]: Start difference. First operand 302 states and 405 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:41:52,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:52,347 INFO L93 Difference]: Finished difference Result 326 states and 426 transitions. [2024-11-09 11:41:52,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:52,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 64 [2024-11-09 11:41:52,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:52,349 INFO L225 Difference]: With dead ends: 326 [2024-11-09 11:41:52,349 INFO L226 Difference]: Without dead ends: 325 [2024-11-09 11:41:52,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:52,349 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 159 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:52,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 177 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:41:52,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-09 11:41:52,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 302. [2024-11-09 11:41:52,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.6497695852534562) internal successors, (358), 276 states have internal predecessors, (358), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:41:52,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 404 transitions. [2024-11-09 11:41:52,358 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 404 transitions. Word has length 64 [2024-11-09 11:41:52,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:52,358 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 404 transitions. [2024-11-09 11:41:52,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:41:52,359 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 404 transitions. [2024-11-09 11:41:52,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 11:41:52,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:52,359 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:52,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:52,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 11:41:52,564 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:41:52,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:52,564 INFO L85 PathProgramCache]: Analyzing trace with hash -728153128, now seen corresponding path program 1 times [2024-11-09 11:41:52,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:52,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437945663] [2024-11-09 11:41:52,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:52,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:52,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1034186413] [2024-11-09 11:41:52,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:52,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:52,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:52,577 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:52,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 11:41:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:52,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:52,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:52,707 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:41:52,707 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:52,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:52,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437945663] [2024-11-09 11:41:52,708 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:52,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034186413] [2024-11-09 11:41:52,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034186413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:52,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:52,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:41:52,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602201776] [2024-11-09 11:41:52,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:52,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:52,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:52,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:52,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:52,709 INFO L87 Difference]: Start difference. First operand 302 states and 404 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:41:52,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:52,946 INFO L93 Difference]: Finished difference Result 326 states and 425 transitions. [2024-11-09 11:41:52,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:52,947 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 65 [2024-11-09 11:41:52,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:52,948 INFO L225 Difference]: With dead ends: 326 [2024-11-09 11:41:52,948 INFO L226 Difference]: Without dead ends: 325 [2024-11-09 11:41:52,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:52,950 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 158 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:52,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 177 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:41:52,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-09 11:41:52,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 302. [2024-11-09 11:41:52,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.6451612903225807) internal successors, (357), 276 states have internal predecessors, (357), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:41:52,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 403 transitions. [2024-11-09 11:41:52,959 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 403 transitions. Word has length 65 [2024-11-09 11:41:52,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:52,959 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 403 transitions. [2024-11-09 11:41:52,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:41:52,960 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 403 transitions. [2024-11-09 11:41:52,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 11:41:52,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:52,960 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:52,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:53,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 11:41:53,161 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:41:53,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:53,162 INFO L85 PathProgramCache]: Analyzing trace with hash 666512659, now seen corresponding path program 1 times [2024-11-09 11:41:53,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:53,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426246819] [2024-11-09 11:41:53,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:53,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:53,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [221591383] [2024-11-09 11:41:53,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:53,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:53,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:53,178 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:53,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 11:41:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:53,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:41:53,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:53,330 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-09 11:41:53,331 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:53,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:53,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426246819] [2024-11-09 11:41:53,331 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:53,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221591383] [2024-11-09 11:41:53,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221591383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:53,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:53,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:41:53,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626692505] [2024-11-09 11:41:53,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:53,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:53,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:53,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:53,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:53,333 INFO L87 Difference]: Start difference. First operand 302 states and 403 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 11:41:53,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:53,663 INFO L93 Difference]: Finished difference Result 328 states and 424 transitions. [2024-11-09 11:41:53,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:53,664 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), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2024-11-09 11:41:53,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:53,665 INFO L225 Difference]: With dead ends: 328 [2024-11-09 11:41:53,665 INFO L226 Difference]: Without dead ends: 327 [2024-11-09 11:41:53,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:53,666 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 88 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:53,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 228 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:41:53,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-09 11:41:53,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 302. [2024-11-09 11:41:53,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.6359447004608294) internal successors, (355), 276 states have internal predecessors, (355), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:41:53,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 401 transitions. [2024-11-09 11:41:53,675 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 401 transitions. Word has length 75 [2024-11-09 11:41:53,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:53,676 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 401 transitions. [2024-11-09 11:41:53,676 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), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 11:41:53,676 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 401 transitions. [2024-11-09 11:41:53,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 11:41:53,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:53,676 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:53,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:53,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:53,877 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:41:53,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:53,878 INFO L85 PathProgramCache]: Analyzing trace with hash -812943937, now seen corresponding path program 1 times [2024-11-09 11:41:53,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:53,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220790529] [2024-11-09 11:41:53,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:53,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:53,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1991652904] [2024-11-09 11:41:53,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:53,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:53,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:53,890 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:53,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 11:41:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:53,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:41:53,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:55,064 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-09 11:41:55,065 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:55,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:55,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220790529] [2024-11-09 11:41:55,065 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:55,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991652904] [2024-11-09 11:41:55,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991652904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:55,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:55,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:41:55,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076315255] [2024-11-09 11:41:55,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:55,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:55,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:55,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:55,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-09 11:41:55,066 INFO L87 Difference]: Start difference. First operand 302 states and 401 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 11:41:56,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:42:01,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:42:01,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:01,328 INFO L93 Difference]: Finished difference Result 328 states and 422 transitions. [2024-11-09 11:42:01,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:42:01,329 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 76 [2024-11-09 11:42:01,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:01,330 INFO L225 Difference]: With dead ends: 328 [2024-11-09 11:42:01,330 INFO L226 Difference]: Without dead ends: 327 [2024-11-09 11:42:01,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-09 11:42:01,331 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 43 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:01,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 327 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 146 Invalid, 3 Unknown, 0 Unchecked, 6.2s Time] [2024-11-09 11:42:01,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-09 11:42:01,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 302. [2024-11-09 11:42:01,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.6267281105990783) internal successors, (353), 276 states have internal predecessors, (353), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:42:01,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 399 transitions. [2024-11-09 11:42:01,340 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 399 transitions. Word has length 76 [2024-11-09 11:42:01,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:01,341 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 399 transitions. [2024-11-09 11:42:01,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 11:42:01,341 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 399 transitions. [2024-11-09 11:42:01,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 11:42:01,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:01,342 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:01,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-09 11:42:01,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:01,542 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:01,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:01,542 INFO L85 PathProgramCache]: Analyzing trace with hash 568541845, now seen corresponding path program 1 times [2024-11-09 11:42:01,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:01,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113354142] [2024-11-09 11:42:01,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:01,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:01,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2003604775] [2024-11-09 11:42:01,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:01,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:01,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:01,556 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:01,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-09 11:42:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:01,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:42:01,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:01,651 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-09 11:42:01,651 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:42:01,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:01,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113354142] [2024-11-09 11:42:01,651 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:01,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003604775] [2024-11-09 11:42:01,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003604775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:01,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:01,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:42:01,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341004129] [2024-11-09 11:42:01,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:01,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:42:01,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:01,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:42:01,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:42:01,656 INFO L87 Difference]: Start difference. First operand 302 states and 399 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 11:42:02,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:02,448 INFO L93 Difference]: Finished difference Result 321 states and 410 transitions. [2024-11-09 11:42:02,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:42:02,449 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 77 [2024-11-09 11:42:02,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:02,450 INFO L225 Difference]: With dead ends: 321 [2024-11-09 11:42:02,450 INFO L226 Difference]: Without dead ends: 319 [2024-11-09 11:42:02,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:42:02,451 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 55 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:02,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 327 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:42:02,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-09 11:42:02,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 302. [2024-11-09 11:42:02,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.608294930875576) internal successors, (349), 276 states have internal predecessors, (349), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:42:02,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 395 transitions. [2024-11-09 11:42:02,460 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 395 transitions. Word has length 77 [2024-11-09 11:42:02,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:02,461 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 395 transitions. [2024-11-09 11:42:02,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 11:42:02,461 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 395 transitions. [2024-11-09 11:42:02,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 11:42:02,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:02,461 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:02,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:02,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-09 11:42:02,662 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:02,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:02,663 INFO L85 PathProgramCache]: Analyzing trace with hash 444928129, now seen corresponding path program 1 times [2024-11-09 11:42:02,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:02,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245083958] [2024-11-09 11:42:02,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:02,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:02,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [328728087] [2024-11-09 11:42:02,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:02,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:02,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:02,675 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:02,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-09 11:42:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:02,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:42:02,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:02,809 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-09 11:42:02,809 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:42:02,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:02,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245083958] [2024-11-09 11:42:02,810 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:02,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328728087] [2024-11-09 11:42:02,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328728087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:02,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:02,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:42:02,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479602500] [2024-11-09 11:42:02,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:02,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:42:02,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:02,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:42:02,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:42:02,811 INFO L87 Difference]: Start difference. First operand 302 states and 395 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 11:42:03,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:03,253 INFO L93 Difference]: Finished difference Result 321 states and 406 transitions. [2024-11-09 11:42:03,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:42:03,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 78 [2024-11-09 11:42:03,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:03,255 INFO L225 Difference]: With dead ends: 321 [2024-11-09 11:42:03,255 INFO L226 Difference]: Without dead ends: 319 [2024-11-09 11:42:03,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:42:03,255 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 90 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:03,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 266 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:42:03,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-09 11:42:03,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 302. [2024-11-09 11:42:03,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.5898617511520738) internal successors, (345), 276 states have internal predecessors, (345), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:42:03,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 391 transitions. [2024-11-09 11:42:03,265 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 391 transitions. Word has length 78 [2024-11-09 11:42:03,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:03,265 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 391 transitions. [2024-11-09 11:42:03,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 11:42:03,265 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 391 transitions. [2024-11-09 11:42:03,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 11:42:03,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:03,266 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:03,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:03,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-09 11:42:03,467 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:03,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:03,468 INFO L85 PathProgramCache]: Analyzing trace with hash -518360293, now seen corresponding path program 1 times [2024-11-09 11:42:03,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:03,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905007855] [2024-11-09 11:42:03,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:03,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:03,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1151496594] [2024-11-09 11:42:03,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:03,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:03,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:03,493 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:03,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-09 11:42:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:03,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:42:03,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:03,682 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-09 11:42:03,682 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:03,827 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-09 11:42:03,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:03,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905007855] [2024-11-09 11:42:03,827 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:03,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151496594] [2024-11-09 11:42:03,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151496594] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:42:03,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:42:03,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-09 11:42:03,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571553537] [2024-11-09 11:42:03,828 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:03,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:42:03,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:03,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:42:03,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:42:03,829 INFO L87 Difference]: Start difference. First operand 302 states and 391 transitions. Second operand has 9 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 11:42:04,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:04,436 INFO L93 Difference]: Finished difference Result 320 states and 392 transitions. [2024-11-09 11:42:04,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:42:04,436 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) Word has length 83 [2024-11-09 11:42:04,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:04,437 INFO L225 Difference]: With dead ends: 320 [2024-11-09 11:42:04,438 INFO L226 Difference]: Without dead ends: 319 [2024-11-09 11:42:04,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 156 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:42:04,438 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 174 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:04,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 414 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:42:04,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-09 11:42:04,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 302. [2024-11-09 11:42:04,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.576036866359447) internal successors, (342), 276 states have internal predecessors, (342), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:42:04,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 388 transitions. [2024-11-09 11:42:04,448 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 388 transitions. Word has length 83 [2024-11-09 11:42:04,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:04,449 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 388 transitions. [2024-11-09 11:42:04,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 11:42:04,449 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 388 transitions. [2024-11-09 11:42:04,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 11:42:04,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:04,450 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:04,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:04,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:04,654 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:04,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:04,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1110700231, now seen corresponding path program 1 times [2024-11-09 11:42:04,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:04,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814512985] [2024-11-09 11:42:04,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:04,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:04,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1927396902] [2024-11-09 11:42:04,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:04,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:04,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:04,678 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:04,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-09 11:42:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:04,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:42:04,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:04,927 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:42:04,927 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:05,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:05,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814512985] [2024-11-09 11:42:05,580 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:05,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927396902] [2024-11-09 11:42:05,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927396902] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:05,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:05,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-09 11:42:05,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144689480] [2024-11-09 11:42:05,580 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:05,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:42:05,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:05,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:42:05,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:42:05,581 INFO L87 Difference]: Start difference. First operand 302 states and 388 transitions. Second operand has 7 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 11:42:05,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:05,845 INFO L93 Difference]: Finished difference Result 306 states and 389 transitions. [2024-11-09 11:42:05,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:42:05,845 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 84 [2024-11-09 11:42:05,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:05,847 INFO L225 Difference]: With dead ends: 306 [2024-11-09 11:42:05,847 INFO L226 Difference]: Without dead ends: 305 [2024-11-09 11:42:05,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:42:05,847 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 248 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:05,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 309 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:42:05,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-09 11:42:05,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 302. [2024-11-09 11:42:05,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.566820276497696) internal successors, (340), 276 states have internal predecessors, (340), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:42:05,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 386 transitions. [2024-11-09 11:42:05,857 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 386 transitions. Word has length 84 [2024-11-09 11:42:05,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:05,857 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 386 transitions. [2024-11-09 11:42:05,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 11:42:05,857 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 386 transitions. [2024-11-09 11:42:05,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 11:42:05,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:05,858 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:05,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:06,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:06,059 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:06,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:06,059 INFO L85 PathProgramCache]: Analyzing trace with hash 71968925, now seen corresponding path program 1 times [2024-11-09 11:42:06,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:06,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340944872] [2024-11-09 11:42:06,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:06,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:06,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2029542077] [2024-11-09 11:42:06,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:06,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:06,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:06,078 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:06,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-09 11:42:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:06,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:42:06,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:06,384 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-09 11:42:06,384 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:06,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:06,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340944872] [2024-11-09 11:42:06,952 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:06,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029542077] [2024-11-09 11:42:06,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029542077] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:06,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:06,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:42:06,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142720854] [2024-11-09 11:42:06,952 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:06,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:42:06,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:06,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:42:06,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:42:06,953 INFO L87 Difference]: Start difference. First operand 302 states and 386 transitions. Second operand has 8 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 11:42:07,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:07,654 INFO L93 Difference]: Finished difference Result 320 states and 397 transitions. [2024-11-09 11:42:07,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:42:07,654 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 85 [2024-11-09 11:42:07,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:07,655 INFO L225 Difference]: With dead ends: 320 [2024-11-09 11:42:07,655 INFO L226 Difference]: Without dead ends: 317 [2024-11-09 11:42:07,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:42:07,656 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 183 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:07,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 296 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:42:07,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-09 11:42:07,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 302. [2024-11-09 11:42:07,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.5391705069124424) internal successors, (334), 276 states have internal predecessors, (334), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:42:07,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 380 transitions. [2024-11-09 11:42:07,666 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 380 transitions. Word has length 85 [2024-11-09 11:42:07,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:07,666 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 380 transitions. [2024-11-09 11:42:07,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 11:42:07,667 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 380 transitions. [2024-11-09 11:42:07,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 11:42:07,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:07,667 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:07,680 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-09 11:42:07,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-09 11:42:07,868 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:07,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:07,868 INFO L85 PathProgramCache]: Analyzing trace with hash -2063930487, now seen corresponding path program 1 times [2024-11-09 11:42:07,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:07,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047686050] [2024-11-09 11:42:07,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:07,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:07,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1718072300] [2024-11-09 11:42:07,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:07,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:07,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:07,893 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:07,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-09 11:42:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:07,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 11:42:07,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:08,384 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:42:08,384 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:08,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:08,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047686050] [2024-11-09 11:42:08,545 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:08,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718072300] [2024-11-09 11:42:08,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718072300] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:08,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:08,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:42:08,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997891539] [2024-11-09 11:42:08,545 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:08,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:42:08,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:08,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:42:08,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:42:08,546 INFO L87 Difference]: Start difference. First operand 302 states and 380 transitions. Second operand has 8 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 11:42:09,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:09,044 INFO L93 Difference]: Finished difference Result 310 states and 383 transitions. [2024-11-09 11:42:09,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:42:09,044 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 86 [2024-11-09 11:42:09,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:09,046 INFO L225 Difference]: With dead ends: 310 [2024-11-09 11:42:09,046 INFO L226 Difference]: Without dead ends: 307 [2024-11-09 11:42:09,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:42:09,046 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 275 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:09,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 229 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:42:09,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-09 11:42:09,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 302. [2024-11-09 11:42:09,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.5115207373271888) internal successors, (328), 276 states have internal predecessors, (328), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:42:09,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 374 transitions. [2024-11-09 11:42:09,057 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 374 transitions. Word has length 86 [2024-11-09 11:42:09,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:09,057 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 374 transitions. [2024-11-09 11:42:09,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 11:42:09,057 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 374 transitions. [2024-11-09 11:42:09,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 11:42:09,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:09,058 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:09,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:09,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-09 11:42:09,263 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:09,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:09,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1639846860, now seen corresponding path program 1 times [2024-11-09 11:42:09,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:09,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533148969] [2024-11-09 11:42:09,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:09,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:09,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:09,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:42:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:09,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:42:09,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:09,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:42:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:09,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:42:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:09,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:42:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:09,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:42:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:09,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:42:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:09,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:42:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:09,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:42:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:09,326 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:42:09,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:09,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533148969] [2024-11-09 11:42:09,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533148969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:09,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:09,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:42:09,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828393436] [2024-11-09 11:42:09,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:09,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:42:09,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:09,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:42:09,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:42:09,328 INFO L87 Difference]: Start difference. First operand 302 states and 374 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-09 11:42:09,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:09,477 INFO L93 Difference]: Finished difference Result 302 states and 374 transitions. [2024-11-09 11:42:09,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:42:09,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 99 [2024-11-09 11:42:09,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:09,478 INFO L225 Difference]: With dead ends: 302 [2024-11-09 11:42:09,479 INFO L226 Difference]: Without dead ends: 301 [2024-11-09 11:42:09,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:42:09,479 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 1 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:09,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 285 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:42:09,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-09 11:42:09,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2024-11-09 11:42:09,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 217 states have (on average 1.4930875576036866) internal successors, (324), 275 states have internal predecessors, (324), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:42:09,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 370 transitions. [2024-11-09 11:42:09,488 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 370 transitions. Word has length 99 [2024-11-09 11:42:09,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:09,488 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 370 transitions. [2024-11-09 11:42:09,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-09 11:42:09,489 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 370 transitions. [2024-11-09 11:42:09,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-09 11:42:09,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:09,489 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:09,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-09 11:42:09,489 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:09,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:09,490 INFO L85 PathProgramCache]: Analyzing trace with hash -704354736, now seen corresponding path program 1 times [2024-11-09 11:42:09,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:09,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473260740] [2024-11-09 11:42:09,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:09,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:09,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:09,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:42:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:09,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:42:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:09,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:42:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:09,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:42:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:09,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:42:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:09,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:42:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:09,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:42:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:09,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:42:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:09,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:42:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:09,581 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:42:09,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:09,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473260740] [2024-11-09 11:42:09,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473260740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:09,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:09,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:42:09,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257985000] [2024-11-09 11:42:09,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:09,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:42:09,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:09,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:42:09,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:42:09,584 INFO L87 Difference]: Start difference. First operand 301 states and 370 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-09 11:42:10,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:10,393 INFO L93 Difference]: Finished difference Result 305 states and 371 transitions. [2024-11-09 11:42:10,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:42:10,393 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 100 [2024-11-09 11:42:10,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:10,394 INFO L225 Difference]: With dead ends: 305 [2024-11-09 11:42:10,394 INFO L226 Difference]: Without dead ends: 304 [2024-11-09 11:42:10,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:42:10,395 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 421 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:10,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 230 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:42:10,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-09 11:42:10,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 301. [2024-11-09 11:42:10,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 217 states have (on average 1.4884792626728112) internal successors, (323), 275 states have internal predecessors, (323), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:42:10,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 369 transitions. [2024-11-09 11:42:10,406 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 369 transitions. Word has length 100 [2024-11-09 11:42:10,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:10,406 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 369 transitions. [2024-11-09 11:42:10,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-09 11:42:10,406 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 369 transitions. [2024-11-09 11:42:10,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 11:42:10,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:10,407 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:10,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 11:42:10,407 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:10,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:10,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1718397328, now seen corresponding path program 1 times [2024-11-09 11:42:10,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:10,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795053483] [2024-11-09 11:42:10,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:10,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:10,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:10,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:42:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:10,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:42:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:10,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:42:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:10,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:42:10,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:10,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:42:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:10,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:42:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:10,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:42:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:10,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:42:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:10,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:42:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:10,525 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:42:10,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:10,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795053483] [2024-11-09 11:42:10,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795053483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:10,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:10,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:42:10,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614317642] [2024-11-09 11:42:10,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:10,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:42:10,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:10,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:42:10,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:42:10,530 INFO L87 Difference]: Start difference. First operand 301 states and 369 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 11:42:11,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:11,351 INFO L93 Difference]: Finished difference Result 316 states and 380 transitions. [2024-11-09 11:42:11,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:42:11,351 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 102 [2024-11-09 11:42:11,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:11,353 INFO L225 Difference]: With dead ends: 316 [2024-11-09 11:42:11,353 INFO L226 Difference]: Without dead ends: 315 [2024-11-09 11:42:11,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:42:11,357 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 13 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:11,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 515 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:42:11,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-09 11:42:11,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 306. [2024-11-09 11:42:11,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 222 states have (on average 1.4774774774774775) internal successors, (328), 280 states have internal predecessors, (328), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:42:11,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 374 transitions. [2024-11-09 11:42:11,370 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 374 transitions. Word has length 102 [2024-11-09 11:42:11,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:11,370 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 374 transitions. [2024-11-09 11:42:11,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 11:42:11,371 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 374 transitions. [2024-11-09 11:42:11,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 11:42:11,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:11,372 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:11,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-09 11:42:11,372 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:11,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:11,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1730709788, now seen corresponding path program 1 times [2024-11-09 11:42:11,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:11,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596076988] [2024-11-09 11:42:11,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:11,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:11,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [217808587] [2024-11-09 11:42:11,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:11,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:11,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:11,393 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:11,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-09 11:42:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:11,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:42:11,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:11,561 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:42:11,561 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:42:11,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:11,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596076988] [2024-11-09 11:42:11,562 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:11,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217808587] [2024-11-09 11:42:11,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217808587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:11,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:11,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:42:11,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672286162] [2024-11-09 11:42:11,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:11,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:42:11,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:11,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:42:11,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:42:11,563 INFO L87 Difference]: Start difference. First operand 306 states and 374 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 11:42:11,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:11,916 INFO L93 Difference]: Finished difference Result 316 states and 378 transitions. [2024-11-09 11:42:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:42:11,916 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 103 [2024-11-09 11:42:11,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:11,917 INFO L225 Difference]: With dead ends: 316 [2024-11-09 11:42:11,917 INFO L226 Difference]: Without dead ends: 315 [2024-11-09 11:42:11,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:42:11,918 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 15 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:11,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 313 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:42:11,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-09 11:42:11,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 308. [2024-11-09 11:42:11,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 224 states have (on average 1.4732142857142858) internal successors, (330), 282 states have internal predecessors, (330), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:42:11,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 376 transitions. [2024-11-09 11:42:11,929 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 376 transitions. Word has length 103 [2024-11-09 11:42:11,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:11,930 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 376 transitions. [2024-11-09 11:42:11,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 11:42:11,930 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 376 transitions. [2024-11-09 11:42:11,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 11:42:11,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:11,930 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:11,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-09 11:42:12,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:12,131 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:12,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:12,132 INFO L85 PathProgramCache]: Analyzing trace with hash -703401356, now seen corresponding path program 1 times [2024-11-09 11:42:12,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:12,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294539441] [2024-11-09 11:42:12,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:12,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:12,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [594257594] [2024-11-09 11:42:12,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:12,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:12,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:12,144 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:12,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-09 11:42:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:12,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:42:12,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:12,393 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-09 11:42:12,393 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:12,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:12,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294539441] [2024-11-09 11:42:12,484 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:12,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594257594] [2024-11-09 11:42:12,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594257594] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:12,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:12,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:42:12,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754937128] [2024-11-09 11:42:12,485 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:12,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:42:12,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:12,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:42:12,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:42:12,486 INFO L87 Difference]: Start difference. First operand 308 states and 376 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:42:12,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:12,921 INFO L93 Difference]: Finished difference Result 311 states and 376 transitions. [2024-11-09 11:42:12,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:42:12,922 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) Word has length 104 [2024-11-09 11:42:12,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:12,923 INFO L225 Difference]: With dead ends: 311 [2024-11-09 11:42:12,923 INFO L226 Difference]: Without dead ends: 309 [2024-11-09 11:42:12,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:42:12,924 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 198 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:12,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 423 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:42:12,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-09 11:42:12,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 308. [2024-11-09 11:42:12,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 224 states have (on average 1.4642857142857142) internal successors, (328), 282 states have internal predecessors, (328), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:42:12,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 374 transitions. [2024-11-09 11:42:12,934 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 374 transitions. Word has length 104 [2024-11-09 11:42:12,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:12,935 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 374 transitions. [2024-11-09 11:42:12,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:42:12,935 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 374 transitions. [2024-11-09 11:42:12,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 11:42:12,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:12,936 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:12,948 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-09 11:42:13,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:13,137 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:13,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:13,137 INFO L85 PathProgramCache]: Analyzing trace with hash -330605481, now seen corresponding path program 1 times [2024-11-09 11:42:13,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:13,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461965966] [2024-11-09 11:42:13,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:13,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:13,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1792591400] [2024-11-09 11:42:13,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:13,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:13,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:13,152 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:13,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-09 11:42:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:13,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 11:42:13,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:13,419 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:42:13,420 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:13,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:13,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461965966] [2024-11-09 11:42:13,751 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:13,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792591400] [2024-11-09 11:42:13,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792591400] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:13,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:13,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:42:13,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503582541] [2024-11-09 11:42:13,751 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:13,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:42:13,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:13,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:42:13,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:42:13,752 INFO L87 Difference]: Start difference. First operand 308 states and 374 transitions. Second operand has 9 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-09 11:42:14,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:14,197 INFO L93 Difference]: Finished difference Result 358 states and 431 transitions. [2024-11-09 11:42:14,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:42:14,197 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 105 [2024-11-09 11:42:14,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:14,198 INFO L225 Difference]: With dead ends: 358 [2024-11-09 11:42:14,198 INFO L226 Difference]: Without dead ends: 356 [2024-11-09 11:42:14,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:42:14,199 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 286 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:14,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 437 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:42:14,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-09 11:42:14,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2024-11-09 11:42:14,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 266 states have (on average 1.406015037593985) internal successors, (374), 324 states have internal predecessors, (374), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-09 11:42:14,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 428 transitions. [2024-11-09 11:42:14,211 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 428 transitions. Word has length 105 [2024-11-09 11:42:14,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:14,211 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 428 transitions. [2024-11-09 11:42:14,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-09 11:42:14,211 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 428 transitions. [2024-11-09 11:42:14,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-09 11:42:14,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:14,212 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:14,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-09 11:42:14,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:14,412 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:14,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:14,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1506921324, now seen corresponding path program 1 times [2024-11-09 11:42:14,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:14,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985467479] [2024-11-09 11:42:14,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:14,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:14,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:14,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:42:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:14,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:42:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:14,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:42:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:14,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:42:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:14,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:42:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:14,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:42:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:14,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:42:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:14,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:42:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:14,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:42:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:14,520 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:42:14,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:14,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985467479] [2024-11-09 11:42:14,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985467479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:14,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:14,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:42:14,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040632136] [2024-11-09 11:42:14,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:14,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:42:14,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:14,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:42:14,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:42:14,523 INFO L87 Difference]: Start difference. First operand 354 states and 428 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 11:42:15,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:15,271 INFO L93 Difference]: Finished difference Result 368 states and 438 transitions. [2024-11-09 11:42:15,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:42:15,271 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 106 [2024-11-09 11:42:15,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:15,272 INFO L225 Difference]: With dead ends: 368 [2024-11-09 11:42:15,272 INFO L226 Difference]: Without dead ends: 367 [2024-11-09 11:42:15,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:42:15,273 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 13 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:15,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 515 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:42:15,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-09 11:42:15,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 359. [2024-11-09 11:42:15,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 271 states have (on average 1.4059040590405905) internal successors, (381), 329 states have internal predecessors, (381), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-09 11:42:15,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 435 transitions. [2024-11-09 11:42:15,289 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 435 transitions. Word has length 106 [2024-11-09 11:42:15,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:15,290 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 435 transitions. [2024-11-09 11:42:15,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 11:42:15,290 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 435 transitions. [2024-11-09 11:42:15,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-09 11:42:15,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:15,295 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:15,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-09 11:42:15,295 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:15,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:15,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1658835242, now seen corresponding path program 1 times [2024-11-09 11:42:15,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:15,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286451132] [2024-11-09 11:42:15,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:15,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:15,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:15,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:42:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:15,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:42:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:15,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:42:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:15,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:42:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:15,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:42:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:15,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:42:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:15,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:42:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:15,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:42:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:15,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:42:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:15,362 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:42:15,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:15,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286451132] [2024-11-09 11:42:15,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286451132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:15,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:15,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:42:15,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434917373] [2024-11-09 11:42:15,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:15,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:42:15,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:15,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:42:15,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:42:15,364 INFO L87 Difference]: Start difference. First operand 359 states and 435 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-09 11:42:16,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:16,082 INFO L93 Difference]: Finished difference Result 391 states and 435 transitions. [2024-11-09 11:42:16,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:42:16,082 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 106 [2024-11-09 11:42:16,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:16,083 INFO L225 Difference]: With dead ends: 391 [2024-11-09 11:42:16,083 INFO L226 Difference]: Without dead ends: 390 [2024-11-09 11:42:16,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:42:16,084 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 134 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:16,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 557 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:42:16,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-09 11:42:16,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 359. [2024-11-09 11:42:16,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 271 states have (on average 1.3948339483394834) internal successors, (378), 329 states have internal predecessors, (378), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-09 11:42:16,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 432 transitions. [2024-11-09 11:42:16,103 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 432 transitions. Word has length 106 [2024-11-09 11:42:16,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:16,103 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 432 transitions. [2024-11-09 11:42:16,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-09 11:42:16,103 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 432 transitions. [2024-11-09 11:42:16,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 11:42:16,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:16,105 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:16,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-09 11:42:16,105 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:16,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:16,105 INFO L85 PathProgramCache]: Analyzing trace with hash 530079392, now seen corresponding path program 1 times [2024-11-09 11:42:16,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:16,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616807032] [2024-11-09 11:42:16,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:16,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:16,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1415034691] [2024-11-09 11:42:16,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:16,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:16,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:16,124 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:16,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-09 11:42:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:16,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:42:16,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:16,317 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:42:16,318 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:42:16,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:16,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616807032] [2024-11-09 11:42:16,318 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:16,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415034691] [2024-11-09 11:42:16,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415034691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:16,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:16,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:42:16,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730024641] [2024-11-09 11:42:16,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:16,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:42:16,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:16,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:42:16,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:42:16,319 INFO L87 Difference]: Start difference. First operand 359 states and 432 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:42:16,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:16,619 INFO L93 Difference]: Finished difference Result 366 states and 435 transitions. [2024-11-09 11:42:16,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:42:16,620 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 107 [2024-11-09 11:42:16,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:16,621 INFO L225 Difference]: With dead ends: 366 [2024-11-09 11:42:16,621 INFO L226 Difference]: Without dead ends: 365 [2024-11-09 11:42:16,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:42:16,622 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 56 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:16,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 538 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:42:16,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-09 11:42:16,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 361. [2024-11-09 11:42:16,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 273 states have (on average 1.3919413919413919) internal successors, (380), 331 states have internal predecessors, (380), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-09 11:42:16,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 434 transitions. [2024-11-09 11:42:16,654 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 434 transitions. Word has length 107 [2024-11-09 11:42:16,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:16,654 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 434 transitions. [2024-11-09 11:42:16,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:42:16,655 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 434 transitions. [2024-11-09 11:42:16,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 11:42:16,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:16,655 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:16,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:16,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:16,856 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:16,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:16,857 INFO L85 PathProgramCache]: Analyzing trace with hash 115715129, now seen corresponding path program 1 times [2024-11-09 11:42:16,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:16,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144883177] [2024-11-09 11:42:16,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:16,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:16,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1937961276] [2024-11-09 11:42:16,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:16,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:16,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:16,886 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:16,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-09 11:42:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:16,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 11:42:16,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:17,236 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-09 11:42:17,236 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-09 11:42:17,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:17,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144883177] [2024-11-09 11:42:17,452 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:17,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937961276] [2024-11-09 11:42:17,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937961276] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:42:17,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:42:17,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2024-11-09 11:42:17,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812007842] [2024-11-09 11:42:17,452 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:17,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:42:17,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:17,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:42:17,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:42:17,453 INFO L87 Difference]: Start difference. First operand 361 states and 434 transitions. Second operand has 14 states, 13 states have (on average 9.153846153846153) internal successors, (119), 14 states have internal predecessors, (119), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-09 11:42:18,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:18,614 INFO L93 Difference]: Finished difference Result 366 states and 435 transitions. [2024-11-09 11:42:18,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 11:42:18,615 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.153846153846153) internal successors, (119), 14 states have internal predecessors, (119), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) Word has length 107 [2024-11-09 11:42:18,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:18,616 INFO L225 Difference]: With dead ends: 366 [2024-11-09 11:42:18,616 INFO L226 Difference]: Without dead ends: 365 [2024-11-09 11:42:18,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2024-11-09 11:42:18,617 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 355 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:18,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 647 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 911 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 11:42:18,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-09 11:42:18,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 361. [2024-11-09 11:42:18,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 273 states have (on average 1.380952380952381) internal successors, (377), 331 states have internal predecessors, (377), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-09 11:42:18,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 431 transitions. [2024-11-09 11:42:18,631 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 431 transitions. Word has length 107 [2024-11-09 11:42:18,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:18,632 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 431 transitions. [2024-11-09 11:42:18,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.153846153846153) internal successors, (119), 14 states have internal predecessors, (119), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-09 11:42:18,632 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 431 transitions. [2024-11-09 11:42:18,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-09 11:42:18,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:18,633 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:18,648 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-09 11:42:18,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-09 11:42:18,837 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:18,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:18,837 INFO L85 PathProgramCache]: Analyzing trace with hash -999523498, now seen corresponding path program 1 times [2024-11-09 11:42:18,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:18,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140120719] [2024-11-09 11:42:18,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:18,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:18,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:18,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:42:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:18,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:42:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:18,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:42:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:18,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:42:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:18,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:42:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:18,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:42:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:18,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:42:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:18,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:42:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:18,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:42:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:18,994 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-09 11:42:18,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:18,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140120719] [2024-11-09 11:42:18,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140120719] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:18,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346013265] [2024-11-09 11:42:18,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:18,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:18,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:18,997 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:18,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-09 11:42:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:19,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:42:19,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:19,119 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-09 11:42:19,119 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:19,232 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-09 11:42:19,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346013265] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:42:19,233 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:42:19,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2024-11-09 11:42:19,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978346642] [2024-11-09 11:42:19,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:19,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:42:19,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:19,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:42:19,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:42:19,235 INFO L87 Difference]: Start difference. First operand 361 states and 431 transitions. Second operand has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-09 11:42:19,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:19,957 INFO L93 Difference]: Finished difference Result 754 states and 867 transitions. [2024-11-09 11:42:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:42:19,957 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 110 [2024-11-09 11:42:19,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:19,959 INFO L225 Difference]: With dead ends: 754 [2024-11-09 11:42:19,959 INFO L226 Difference]: Without dead ends: 725 [2024-11-09 11:42:19,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 231 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:42:19,960 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 867 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 877 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:19,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [877 Valid, 723 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:42:19,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2024-11-09 11:42:19,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 517. [2024-11-09 11:42:19,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 417 states have (on average 1.539568345323741) internal successors, (642), 475 states have internal predecessors, (642), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-09 11:42:19,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 720 transitions. [2024-11-09 11:42:19,980 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 720 transitions. Word has length 110 [2024-11-09 11:42:19,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:19,980 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 720 transitions. [2024-11-09 11:42:19,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-09 11:42:19,980 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 720 transitions. [2024-11-09 11:42:19,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 11:42:19,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:19,981 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:19,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:20,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-09 11:42:20,182 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:20,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:20,182 INFO L85 PathProgramCache]: Analyzing trace with hash 202257673, now seen corresponding path program 1 times [2024-11-09 11:42:20,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:20,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309364977] [2024-11-09 11:42:20,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:20,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:20,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:20,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:42:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:20,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:42:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:20,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:42:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:20,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:42:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:20,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:42:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:20,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:42:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:20,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:42:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:20,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:42:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:20,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:42:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:20,393 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-09 11:42:20,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:20,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309364977] [2024-11-09 11:42:20,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309364977] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:20,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258090304] [2024-11-09 11:42:20,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:20,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:20,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:20,394 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:20,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-09 11:42:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:20,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:42:20,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:20,575 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:42:20,575 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:42:20,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258090304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:20,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:20,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2024-11-09 11:42:20,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198885504] [2024-11-09 11:42:20,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:20,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:42:20,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:20,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:42:20,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:42:20,577 INFO L87 Difference]: Start difference. First operand 517 states and 720 transitions. Second operand has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:42:22,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:22,330 INFO L93 Difference]: Finished difference Result 979 states and 1303 transitions. [2024-11-09 11:42:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:42:22,330 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 113 [2024-11-09 11:42:22,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:22,332 INFO L225 Difference]: With dead ends: 979 [2024-11-09 11:42:22,333 INFO L226 Difference]: Without dead ends: 978 [2024-11-09 11:42:22,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2024-11-09 11:42:22,333 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 726 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:22,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [731 Valid, 898 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 11:42:22,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2024-11-09 11:42:22,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 717. [2024-11-09 11:42:22,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 601 states have (on average 1.6289517470881865) internal successors, (979), 659 states have internal predecessors, (979), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-09 11:42:22,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 1089 transitions. [2024-11-09 11:42:22,358 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 1089 transitions. Word has length 113 [2024-11-09 11:42:22,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:22,358 INFO L471 AbstractCegarLoop]: Abstraction has 717 states and 1089 transitions. [2024-11-09 11:42:22,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:42:22,358 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1089 transitions. [2024-11-09 11:42:22,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 11:42:22,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:22,359 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:22,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:22,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-09 11:42:22,563 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:22,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:22,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1975020646, now seen corresponding path program 1 times [2024-11-09 11:42:22,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:22,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201802813] [2024-11-09 11:42:22,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:22,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:22,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1632607310] [2024-11-09 11:42:22,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:22,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:22,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:22,577 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:22,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-09 11:42:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:22,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:42:22,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:22,705 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:42:22,705 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:22,831 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:42:22,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:22,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201802813] [2024-11-09 11:42:22,832 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:22,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632607310] [2024-11-09 11:42:22,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632607310] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:42:22,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:42:22,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-09 11:42:22,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390885097] [2024-11-09 11:42:22,832 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:22,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:42:22,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:22,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:42:22,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:42:22,833 INFO L87 Difference]: Start difference. First operand 717 states and 1089 transitions. Second operand has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-09 11:42:26,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 11:42:30,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 11:42:32,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:32,041 INFO L93 Difference]: Finished difference Result 1128 states and 1681 transitions. [2024-11-09 11:42:32,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:42:32,043 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 114 [2024-11-09 11:42:32,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:32,048 INFO L225 Difference]: With dead ends: 1128 [2024-11-09 11:42:32,048 INFO L226 Difference]: Without dead ends: 1127 [2024-11-09 11:42:32,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:42:32,049 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 585 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 31 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:32,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 687 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 705 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2024-11-09 11:42:32,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2024-11-09 11:42:32,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 876. [2024-11-09 11:42:32,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 748 states have (on average 1.6537433155080214) internal successors, (1237), 806 states have internal predecessors, (1237), 67 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-09 11:42:32,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1371 transitions. [2024-11-09 11:42:32,085 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1371 transitions. Word has length 114 [2024-11-09 11:42:32,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:32,085 INFO L471 AbstractCegarLoop]: Abstraction has 876 states and 1371 transitions. [2024-11-09 11:42:32,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-09 11:42:32,085 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1371 transitions. [2024-11-09 11:42:32,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-09 11:42:32,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:32,086 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:32,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:32,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-09 11:42:32,290 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:32,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:32,291 INFO L85 PathProgramCache]: Analyzing trace with hash 819993899, now seen corresponding path program 1 times [2024-11-09 11:42:32,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:32,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008561984] [2024-11-09 11:42:32,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:32,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:32,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1925180154] [2024-11-09 11:42:32,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:32,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:32,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:32,303 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:32,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-09 11:42:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:32,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 11:42:32,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:32,884 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-09 11:42:32,885 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:33,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:33,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008561984] [2024-11-09 11:42:33,040 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:33,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925180154] [2024-11-09 11:42:33,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925180154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:33,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:33,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:42:33,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251844629] [2024-11-09 11:42:33,041 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:33,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:42:33,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:33,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:42:33,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:42:33,042 INFO L87 Difference]: Start difference. First operand 876 states and 1371 transitions. Second operand has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-09 11:42:34,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:34,110 INFO L93 Difference]: Finished difference Result 963 states and 1479 transitions. [2024-11-09 11:42:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 11:42:34,111 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 120 [2024-11-09 11:42:34,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:34,113 INFO L225 Difference]: With dead ends: 963 [2024-11-09 11:42:34,113 INFO L226 Difference]: Without dead ends: 960 [2024-11-09 11:42:34,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2024-11-09 11:42:34,114 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 486 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 1288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:34,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 472 Invalid, 1288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1257 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 11:42:34,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2024-11-09 11:42:34,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 926. [2024-11-09 11:42:34,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 794 states have (on average 1.6574307304785894) internal successors, (1316), 852 states have internal predecessors, (1316), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-09 11:42:34,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1458 transitions. [2024-11-09 11:42:34,145 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1458 transitions. Word has length 120 [2024-11-09 11:42:34,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:34,145 INFO L471 AbstractCegarLoop]: Abstraction has 926 states and 1458 transitions. [2024-11-09 11:42:34,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-09 11:42:34,145 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1458 transitions. [2024-11-09 11:42:34,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-09 11:42:34,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:34,146 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:34,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:34,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-09 11:42:34,347 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:34,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:34,347 INFO L85 PathProgramCache]: Analyzing trace with hash -349992823, now seen corresponding path program 1 times [2024-11-09 11:42:34,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:34,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560659928] [2024-11-09 11:42:34,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:34,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:34,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1260321184] [2024-11-09 11:42:34,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:34,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:34,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:34,360 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:34,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-09 11:42:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:34,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 11:42:34,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:34,951 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-09 11:42:34,951 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:36,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:36,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560659928] [2024-11-09 11:42:36,274 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:36,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260321184] [2024-11-09 11:42:36,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260321184] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:36,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:36,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:42:36,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667032406] [2024-11-09 11:42:36,275 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:36,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:42:36,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:36,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:42:36,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:42:36,276 INFO L87 Difference]: Start difference. First operand 926 states and 1458 transitions. Second operand has 12 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-09 11:42:37,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:37,424 INFO L93 Difference]: Finished difference Result 961 states and 1474 transitions. [2024-11-09 11:42:37,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 11:42:37,425 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 121 [2024-11-09 11:42:37,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:37,427 INFO L225 Difference]: With dead ends: 961 [2024-11-09 11:42:37,427 INFO L226 Difference]: Without dead ends: 960 [2024-11-09 11:42:37,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2024-11-09 11:42:37,428 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 634 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 1229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:37,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 392 Invalid, 1229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1191 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 11:42:37,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2024-11-09 11:42:37,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 926. [2024-11-09 11:42:37,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 794 states have (on average 1.654911838790932) internal successors, (1314), 852 states have internal predecessors, (1314), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-09 11:42:37,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1456 transitions. [2024-11-09 11:42:37,461 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1456 transitions. Word has length 121 [2024-11-09 11:42:37,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:37,462 INFO L471 AbstractCegarLoop]: Abstraction has 926 states and 1456 transitions. [2024-11-09 11:42:37,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-09 11:42:37,462 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1456 transitions. [2024-11-09 11:42:37,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-09 11:42:37,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:37,463 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:37,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:37,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:37,664 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:37,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:37,664 INFO L85 PathProgramCache]: Analyzing trace with hash 2035124461, now seen corresponding path program 1 times [2024-11-09 11:42:37,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:37,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435838473] [2024-11-09 11:42:37,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:37,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:37,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1858668608] [2024-11-09 11:42:37,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:37,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:37,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:37,678 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:37,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-09 11:42:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:37,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:42:37,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:37,990 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 3 proven. 32 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-09 11:42:37,990 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:38,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:38,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435838473] [2024-11-09 11:42:38,044 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:38,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858668608] [2024-11-09 11:42:38,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858668608] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:38,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:38,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:42:38,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598874283] [2024-11-09 11:42:38,044 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:38,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:42:38,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:38,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:42:38,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:42:38,045 INFO L87 Difference]: Start difference. First operand 926 states and 1456 transitions. Second operand has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-09 11:42:38,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:38,515 INFO L93 Difference]: Finished difference Result 1070 states and 1662 transitions. [2024-11-09 11:42:38,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:42:38,515 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 122 [2024-11-09 11:42:38,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:38,518 INFO L225 Difference]: With dead ends: 1070 [2024-11-09 11:42:38,518 INFO L226 Difference]: Without dead ends: 1068 [2024-11-09 11:42:38,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:42:38,518 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 227 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:38,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 470 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:42:38,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2024-11-09 11:42:38,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 1029. [2024-11-09 11:42:38,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 888 states have (on average 1.6711711711711712) internal successors, (1484), 946 states have internal predecessors, (1484), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-09 11:42:38,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1644 transitions. [2024-11-09 11:42:38,552 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1644 transitions. Word has length 122 [2024-11-09 11:42:38,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:38,552 INFO L471 AbstractCegarLoop]: Abstraction has 1029 states and 1644 transitions. [2024-11-09 11:42:38,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-09 11:42:38,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1644 transitions. [2024-11-09 11:42:38,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 11:42:38,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:38,553 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:38,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-09 11:42:38,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:38,753 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:38,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:38,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1335651061, now seen corresponding path program 1 times [2024-11-09 11:42:38,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:38,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680618577] [2024-11-09 11:42:38,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:38,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:38,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [83686912] [2024-11-09 11:42:38,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:38,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:38,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:38,783 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:38,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-09 11:42:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:38,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:42:38,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:39,154 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-09 11:42:39,155 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:39,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:39,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680618577] [2024-11-09 11:42:39,669 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:39,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83686912] [2024-11-09 11:42:39,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83686912] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:39,669 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:39,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:42:39,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114447786] [2024-11-09 11:42:39,673 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:39,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:42:39,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:39,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:42:39,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:42:39,674 INFO L87 Difference]: Start difference. First operand 1029 states and 1644 transitions. Second operand has 8 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-09 11:42:40,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:40,267 INFO L93 Difference]: Finished difference Result 1070 states and 1657 transitions. [2024-11-09 11:42:40,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:42:40,267 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 123 [2024-11-09 11:42:40,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:40,270 INFO L225 Difference]: With dead ends: 1070 [2024-11-09 11:42:40,270 INFO L226 Difference]: Without dead ends: 1068 [2024-11-09 11:42:40,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:42:40,275 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 366 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:40,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 532 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:42:40,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2024-11-09 11:42:40,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 1030. [2024-11-09 11:42:40,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 889 states have (on average 1.6659167604049494) internal successors, (1481), 947 states have internal predecessors, (1481), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-09 11:42:40,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1641 transitions. [2024-11-09 11:42:40,338 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1641 transitions. Word has length 123 [2024-11-09 11:42:40,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:40,339 INFO L471 AbstractCegarLoop]: Abstraction has 1030 states and 1641 transitions. [2024-11-09 11:42:40,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-09 11:42:40,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1641 transitions. [2024-11-09 11:42:40,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 11:42:40,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:40,341 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:40,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:40,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:40,542 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:40,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:40,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1544490159, now seen corresponding path program 1 times [2024-11-09 11:42:40,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:40,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065556764] [2024-11-09 11:42:40,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:40,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:40,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [737269817] [2024-11-09 11:42:40,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:40,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:40,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:40,561 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:40,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-09 11:42:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:40,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 11:42:40,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:41,207 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 6 proven. 31 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-09 11:42:41,207 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:41,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:41,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065556764] [2024-11-09 11:42:41,395 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:41,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737269817] [2024-11-09 11:42:41,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737269817] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:41,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:41,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-09 11:42:41,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388951331] [2024-11-09 11:42:41,395 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:41,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:42:41,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:41,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:42:41,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:42:41,397 INFO L87 Difference]: Start difference. First operand 1030 states and 1641 transitions. Second operand has 13 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-09 11:42:42,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:42,271 INFO L93 Difference]: Finished difference Result 1057 states and 1657 transitions. [2024-11-09 11:42:42,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:42:42,272 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 124 [2024-11-09 11:42:42,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:42,274 INFO L225 Difference]: With dead ends: 1057 [2024-11-09 11:42:42,274 INFO L226 Difference]: Without dead ends: 1056 [2024-11-09 11:42:42,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:42:42,275 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 596 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 1312 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:42,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [606 Valid, 484 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1312 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:42:42,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2024-11-09 11:42:42,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1030. [2024-11-09 11:42:42,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 889 states have (on average 1.6636670416197976) internal successors, (1479), 947 states have internal predecessors, (1479), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-09 11:42:42,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1639 transitions. [2024-11-09 11:42:42,329 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1639 transitions. Word has length 124 [2024-11-09 11:42:42,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:42,329 INFO L471 AbstractCegarLoop]: Abstraction has 1030 states and 1639 transitions. [2024-11-09 11:42:42,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-09 11:42:42,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1639 transitions. [2024-11-09 11:42:42,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 11:42:42,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:42,330 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:42,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:42,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-09 11:42:42,534 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:42,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:42,535 INFO L85 PathProgramCache]: Analyzing trace with hash 634554765, now seen corresponding path program 1 times [2024-11-09 11:42:42,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:42,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046195774] [2024-11-09 11:42:42,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:42,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:42,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1495940393] [2024-11-09 11:42:42,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:42,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:42,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:42,556 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:42,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-09 11:42:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:42,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 11:42:42,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:42,987 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 26 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-09 11:42:42,987 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:43,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:43,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046195774] [2024-11-09 11:42:43,145 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:43,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495940393] [2024-11-09 11:42:43,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495940393] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:43,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:43,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:42:43,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673325021] [2024-11-09 11:42:43,145 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:43,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:42:43,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:43,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:42:43,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:42:43,146 INFO L87 Difference]: Start difference. First operand 1030 states and 1639 transitions. Second operand has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-09 11:42:43,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:43,944 INFO L93 Difference]: Finished difference Result 1072 states and 1650 transitions. [2024-11-09 11:42:43,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:42:43,944 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 125 [2024-11-09 11:42:43,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:43,947 INFO L225 Difference]: With dead ends: 1072 [2024-11-09 11:42:43,947 INFO L226 Difference]: Without dead ends: 1057 [2024-11-09 11:42:43,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:42:43,950 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 184 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:43,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 527 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:42:43,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2024-11-09 11:42:43,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 1027. [2024-11-09 11:42:43,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 887 states have (on average 1.652762119503946) internal successors, (1466), 945 states have internal predecessors, (1466), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-09 11:42:43,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1624 transitions. [2024-11-09 11:42:43,987 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1624 transitions. Word has length 125 [2024-11-09 11:42:43,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:43,987 INFO L471 AbstractCegarLoop]: Abstraction has 1027 states and 1624 transitions. [2024-11-09 11:42:43,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-09 11:42:43,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1624 transitions. [2024-11-09 11:42:43,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-09 11:42:43,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:43,988 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1] [2024-11-09 11:42:44,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:44,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-09 11:42:44,188 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:44,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:44,189 INFO L85 PathProgramCache]: Analyzing trace with hash 212677275, now seen corresponding path program 1 times [2024-11-09 11:42:44,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:44,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766905519] [2024-11-09 11:42:44,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:44,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:44,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [138195882] [2024-11-09 11:42:44,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:44,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:44,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:44,203 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:44,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-09 11:42:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:44,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 11:42:44,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:44,733 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 11:42:44,733 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:44,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:44,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766905519] [2024-11-09 11:42:44,933 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:44,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138195882] [2024-11-09 11:42:44,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138195882] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:44,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:44,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 11:42:44,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042917307] [2024-11-09 11:42:44,933 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:44,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:42:44,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:44,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:42:44,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:42:44,934 INFO L87 Difference]: Start difference. First operand 1027 states and 1624 transitions. Second operand has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-09 11:42:45,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:45,880 INFO L93 Difference]: Finished difference Result 1051 states and 1640 transitions. [2024-11-09 11:42:45,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:42:45,880 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 131 [2024-11-09 11:42:45,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:45,883 INFO L225 Difference]: With dead ends: 1051 [2024-11-09 11:42:45,883 INFO L226 Difference]: Without dead ends: 1049 [2024-11-09 11:42:45,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2024-11-09 11:42:45,884 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 408 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 1276 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:45,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 494 Invalid, 1301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1276 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:42:45,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2024-11-09 11:42:45,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 1027. [2024-11-09 11:42:45,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 887 states have (on average 1.6482525366403609) internal successors, (1462), 945 states have internal predecessors, (1462), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-09 11:42:45,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1620 transitions. [2024-11-09 11:42:45,919 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1620 transitions. Word has length 131 [2024-11-09 11:42:45,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:45,920 INFO L471 AbstractCegarLoop]: Abstraction has 1027 states and 1620 transitions. [2024-11-09 11:42:45,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-09 11:42:45,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1620 transitions. [2024-11-09 11:42:45,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-09 11:42:45,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:45,920 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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, 1, 1, 1] [2024-11-09 11:42:45,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-09 11:42:46,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-09 11:42:46,125 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:46,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:46,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1996938970, now seen corresponding path program 1 times [2024-11-09 11:42:46,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:46,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935201957] [2024-11-09 11:42:46,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:46,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:46,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [661358943] [2024-11-09 11:42:46,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:46,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:46,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:46,137 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:46,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-09 11:42:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:46,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 11:42:46,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:46,553 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 3 proven. 38 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 11:42:46,553 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:51,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:51,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935201957] [2024-11-09 11:42:51,640 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:51,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661358943] [2024-11-09 11:42:51,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661358943] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:51,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:51,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:42:51,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312952641] [2024-11-09 11:42:51,640 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:51,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:42:51,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:51,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:42:51,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=95, Unknown=1, NotChecked=0, Total=132 [2024-11-09 11:42:51,641 INFO L87 Difference]: Start difference. First operand 1027 states and 1620 transitions. Second operand has 9 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-09 11:42:52,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:52,100 INFO L93 Difference]: Finished difference Result 1072 states and 1652 transitions. [2024-11-09 11:42:52,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:42:52,100 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) Word has length 132 [2024-11-09 11:42:52,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:52,103 INFO L225 Difference]: With dead ends: 1072 [2024-11-09 11:42:52,103 INFO L226 Difference]: Without dead ends: 1069 [2024-11-09 11:42:52,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=46, Invalid=109, Unknown=1, NotChecked=0, Total=156 [2024-11-09 11:42:52,104 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 354 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:52,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 428 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:42:52,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2024-11-09 11:42:52,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 1027. [2024-11-09 11:42:52,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 887 states have (on average 1.6381059751972942) internal successors, (1453), 945 states have internal predecessors, (1453), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-09 11:42:52,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1611 transitions. [2024-11-09 11:42:52,152 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1611 transitions. Word has length 132 [2024-11-09 11:42:52,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:52,153 INFO L471 AbstractCegarLoop]: Abstraction has 1027 states and 1611 transitions. [2024-11-09 11:42:52,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-09 11:42:52,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1611 transitions. [2024-11-09 11:42:52,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-09 11:42:52,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:52,154 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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, 1, 1] [2024-11-09 11:42:52,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:52,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-09 11:42:52,356 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:52,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:52,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1775565827, now seen corresponding path program 1 times [2024-11-09 11:42:52,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:52,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242648499] [2024-11-09 11:42:52,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:52,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:52,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2031711668] [2024-11-09 11:42:52,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:52,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:52,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:52,381 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:52,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-09 11:42:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:52,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 11:42:52,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:53,027 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 11:42:53,027 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:57,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:57,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242648499] [2024-11-09 11:42:57,322 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:57,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031711668] [2024-11-09 11:42:57,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031711668] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:57,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:57,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-09 11:42:57,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686727163] [2024-11-09 11:42:57,322 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:57,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:42:57,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:57,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:42:57,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=281, Unknown=1, NotChecked=0, Total=342 [2024-11-09 11:42:57,323 INFO L87 Difference]: Start difference. First operand 1027 states and 1611 transitions. Second operand has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-09 11:42:58,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:58,740 INFO L93 Difference]: Finished difference Result 1059 states and 1641 transitions. [2024-11-09 11:42:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:42:58,741 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 133 [2024-11-09 11:42:58,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:58,743 INFO L225 Difference]: With dead ends: 1059 [2024-11-09 11:42:58,744 INFO L226 Difference]: Without dead ends: 1057 [2024-11-09 11:42:58,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=117, Invalid=532, Unknown=1, NotChecked=0, Total=650 [2024-11-09 11:42:58,744 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 453 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 1557 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 1586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:58,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 411 Invalid, 1586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1557 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 11:42:58,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2024-11-09 11:42:58,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 1027. [2024-11-09 11:42:58,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 887 states have (on average 1.6335963923337091) internal successors, (1449), 945 states have internal predecessors, (1449), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-09 11:42:58,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1607 transitions. [2024-11-09 11:42:58,781 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1607 transitions. Word has length 133 [2024-11-09 11:42:58,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:58,781 INFO L471 AbstractCegarLoop]: Abstraction has 1027 states and 1607 transitions. [2024-11-09 11:42:58,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-09 11:42:58,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1607 transitions. [2024-11-09 11:42:58,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-09 11:42:58,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:58,782 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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, 1] [2024-11-09 11:42:58,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-09 11:42:58,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:58,987 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:42:58,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:58,987 INFO L85 PathProgramCache]: Analyzing trace with hash 792034312, now seen corresponding path program 1 times [2024-11-09 11:42:58,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:58,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500769902] [2024-11-09 11:42:58,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:58,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:59,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1352942419] [2024-11-09 11:42:59,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:59,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:59,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:59,001 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:59,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-09 11:42:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:59,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 11:42:59,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:59,665 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 6 proven. 37 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 11:42:59,665 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:43:00,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:00,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500769902] [2024-11-09 11:43:00,888 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:00,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352942419] [2024-11-09 11:43:00,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352942419] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:43:00,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:43:00,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-09 11:43:00,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281850419] [2024-11-09 11:43:00,888 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:43:00,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:43:00,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:00,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:43:00,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:43:00,889 INFO L87 Difference]: Start difference. First operand 1027 states and 1607 transitions. Second operand has 13 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-09 11:43:02,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:02,026 INFO L93 Difference]: Finished difference Result 1059 states and 1637 transitions. [2024-11-09 11:43:02,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:43:02,027 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 134 [2024-11-09 11:43:02,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:02,030 INFO L225 Difference]: With dead ends: 1059 [2024-11-09 11:43:02,030 INFO L226 Difference]: Without dead ends: 1057 [2024-11-09 11:43:02,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=117, Invalid=533, Unknown=0, NotChecked=0, Total=650 [2024-11-09 11:43:02,034 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 602 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 1510 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 1548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:02,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [607 Valid, 316 Invalid, 1548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1510 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 11:43:02,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2024-11-09 11:43:02,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 1027. [2024-11-09 11:43:02,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 887 states have (on average 1.629086809470124) internal successors, (1445), 945 states have internal predecessors, (1445), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-09 11:43:02,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1603 transitions. [2024-11-09 11:43:02,070 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1603 transitions. Word has length 134 [2024-11-09 11:43:02,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:02,070 INFO L471 AbstractCegarLoop]: Abstraction has 1027 states and 1603 transitions. [2024-11-09 11:43:02,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-09 11:43:02,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1603 transitions. [2024-11-09 11:43:02,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 11:43:02,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:02,071 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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] [2024-11-09 11:43:02,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2024-11-09 11:43:02,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-09 11:43:02,275 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:43:02,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:02,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1216740001, now seen corresponding path program 1 times [2024-11-09 11:43:02,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:02,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286753617] [2024-11-09 11:43:02,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:02,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:02,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2015231126] [2024-11-09 11:43:02,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:02,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:02,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:02,304 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:43:02,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-09 11:43:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:02,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 11:43:02,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:03,137 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 6 proven. 38 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 11:43:03,138 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:43:03,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:03,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286753617] [2024-11-09 11:43:03,225 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:03,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015231126] [2024-11-09 11:43:03,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015231126] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:43:03,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:43:03,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:43:03,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697373617] [2024-11-09 11:43:03,225 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:43:03,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:43:03,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:03,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:43:03,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:43:03,226 INFO L87 Difference]: Start difference. First operand 1027 states and 1603 transitions. Second operand has 12 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-09 11:43:04,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:04,554 INFO L93 Difference]: Finished difference Result 1046 states and 1619 transitions. [2024-11-09 11:43:04,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:43:04,554 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 135 [2024-11-09 11:43:04,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:04,557 INFO L225 Difference]: With dead ends: 1046 [2024-11-09 11:43:04,557 INFO L226 Difference]: Without dead ends: 1045 [2024-11-09 11:43:04,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:43:04,557 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 340 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:04,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 416 Invalid, 1285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1275 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 11:43:04,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2024-11-09 11:43:04,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1027. [2024-11-09 11:43:04,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 887 states have (on average 1.6268320180383316) internal successors, (1443), 945 states have internal predecessors, (1443), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-09 11:43:04,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1601 transitions. [2024-11-09 11:43:04,593 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1601 transitions. Word has length 135 [2024-11-09 11:43:04,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:04,593 INFO L471 AbstractCegarLoop]: Abstraction has 1027 states and 1601 transitions. [2024-11-09 11:43:04,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-09 11:43:04,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1601 transitions. [2024-11-09 11:43:04,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-09 11:43:04,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:04,594 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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] [2024-11-09 11:43:04,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-11-09 11:43:04,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-09 11:43:04,794 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:43:04,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:04,795 INFO L85 PathProgramCache]: Analyzing trace with hash 935765738, now seen corresponding path program 1 times [2024-11-09 11:43:04,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:04,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399613403] [2024-11-09 11:43:04,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:04,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:04,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1917275508] [2024-11-09 11:43:04,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:04,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:04,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:04,807 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:43:04,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-09 11:43:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:04,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:43:04,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:05,084 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-09 11:43:05,084 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:43:13,426 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-09 11:43:13,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:13,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399613403] [2024-11-09 11:43:13,426 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:13,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917275508] [2024-11-09 11:43:13,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917275508] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:43:13,426 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:43:13,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2024-11-09 11:43:13,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647865667] [2024-11-09 11:43:13,427 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:43:13,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:43:13,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:13,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:43:13,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=38, Unknown=2, NotChecked=0, Total=56 [2024-11-09 11:43:13,428 INFO L87 Difference]: Start difference. First operand 1027 states and 1601 transitions. Second operand has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 11:43:16,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:16,921 INFO L93 Difference]: Finished difference Result 1849 states and 2881 transitions. [2024-11-09 11:43:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:43:16,921 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 136 [2024-11-09 11:43:16,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:16,926 INFO L225 Difference]: With dead ends: 1849 [2024-11-09 11:43:16,926 INFO L226 Difference]: Without dead ends: 1832 [2024-11-09 11:43:16,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 262 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=20, Invalid=50, Unknown=2, NotChecked=0, Total=72 [2024-11-09 11:43:16,927 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 258 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:16,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 886 Invalid, 776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-09 11:43:16,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1832 states. [2024-11-09 11:43:16,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1832 to 1712. [2024-11-09 11:43:16,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1712 states, 1519 states have (on average 1.653061224489796) internal successors, (2511), 1577 states have internal predecessors, (2511), 132 states have call successors, (132), 2 states have call predecessors, (132), 2 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-09 11:43:16,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2775 transitions. [2024-11-09 11:43:16,989 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2775 transitions. Word has length 136 [2024-11-09 11:43:16,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:16,991 INFO L471 AbstractCegarLoop]: Abstraction has 1712 states and 2775 transitions. [2024-11-09 11:43:16,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 11:43:16,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2775 transitions. [2024-11-09 11:43:16,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-09 11:43:16,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:16,992 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 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] [2024-11-09 11:43:17,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2024-11-09 11:43:17,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2024-11-09 11:43:17,193 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 11:43:17,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:17,193 INFO L85 PathProgramCache]: Analyzing trace with hash 660916161, now seen corresponding path program 1 times [2024-11-09 11:43:17,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:17,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14858316] [2024-11-09 11:43:17,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:17,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:17,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2036916034] [2024-11-09 11:43:17,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:17,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:17,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:17,217 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:43:17,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-11-09 11:43:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:17,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 11:43:17,299 INFO L278 TraceCheckSpWp]: Computing forward predicates...