./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/cohencu-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench/cohencu-ll.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 bf57d72e341b105161cbeacf29e58db93d2b67f8e0e097e4dbed74551cbdcfff --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:55:52,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:55:52,851 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:55:52,858 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:55:52,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:55:52,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:55:52,894 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:55:52,894 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:55:52,895 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:55:52,895 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:55:52,896 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:55:52,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:55:52,897 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:55:52,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:55:52,902 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:55:52,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:55:52,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:55:52,903 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:55:52,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:55:52,903 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:55:52,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:55:52,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:55:52,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:55:52,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:55:52,905 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:55:52,905 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:55:52,906 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:55:52,906 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:55:52,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:55:52,906 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:55:52,906 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:55:52,907 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:55:52,907 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:55:52,907 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:55:52,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:55:52,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:55:52,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:55:52,908 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:55:52,909 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:55:52,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:55:52,909 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:55:52,909 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:55:52,910 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:55:52,910 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:55:52,910 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf57d72e341b105161cbeacf29e58db93d2b67f8e0e097e4dbed74551cbdcfff [2024-11-10 18:55:53,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:55:53,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:55:53,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:55:53,184 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:55:53,185 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:55:53,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/cohencu-ll.c [2024-11-10 18:55:54,654 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:55:54,847 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:55:54,847 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/cohencu-ll.c [2024-11-10 18:55:54,858 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fba65e48/ba95c5e34eba44e891c3f7ab7d036f53/FLAG7e5cccffc [2024-11-10 18:55:54,872 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fba65e48/ba95c5e34eba44e891c3f7ab7d036f53 [2024-11-10 18:55:54,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:55:54,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:55:54,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:55:54,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:55:54,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:55:54,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:55:54" (1/1) ... [2024-11-10 18:55:54,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cda080b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:55:54, skipping insertion in model container [2024-11-10 18:55:54,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:55:54" (1/1) ... [2024-11-10 18:55:54,904 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:55:55,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:55:55,154 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:55:55,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:55:55,203 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:55:55,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:55:55 WrapperNode [2024-11-10 18:55:55,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:55:55,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:55:55,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:55:55,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:55:55,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:55:55" (1/1) ... [2024-11-10 18:55:55,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:55:55" (1/1) ... [2024-11-10 18:55:55,251 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 187 [2024-11-10 18:55:55,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:55:55,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:55:55,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:55:55,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:55:55,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:55:55" (1/1) ... [2024-11-10 18:55:55,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:55:55" (1/1) ... [2024-11-10 18:55:55,266 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:55:55" (1/1) ... [2024-11-10 18:55:55,280 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 18:55:55,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:55:55" (1/1) ... [2024-11-10 18:55:55,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:55:55" (1/1) ... [2024-11-10 18:55:55,285 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:55:55" (1/1) ... [2024-11-10 18:55:55,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:55:55" (1/1) ... [2024-11-10 18:55:55,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:55:55" (1/1) ... [2024-11-10 18:55:55,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:55:55" (1/1) ... [2024-11-10 18:55:55,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:55:55,292 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:55:55,292 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:55:55,292 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:55:55,293 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:55:55" (1/1) ... [2024-11-10 18:55:55,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:55:55,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:55:55,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 18:55:55,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 18:55:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:55:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:55:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:55:55,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:55:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 18:55:55,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 18:55:55,458 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:55:55,461 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:55:56,482 INFO L? ?]: Removed 237 outVars from TransFormulas that were not future-live. [2024-11-10 18:55:56,483 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:55:56,516 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:55:56,516 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:55:56,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:55:56 BoogieIcfgContainer [2024-11-10 18:55:56,516 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:55:56,522 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:55:56,522 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:55:56,525 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:55:56,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:55:54" (1/3) ... [2024-11-10 18:55:56,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508b73fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:55:56, skipping insertion in model container [2024-11-10 18:55:56,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:55:55" (2/3) ... [2024-11-10 18:55:56,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508b73fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:55:56, skipping insertion in model container [2024-11-10 18:55:56,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:55:56" (3/3) ... [2024-11-10 18:55:56,529 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu-ll.c [2024-11-10 18:55:56,545 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:55:56,546 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 138 error locations. [2024-11-10 18:55:56,624 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:55:56,630 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;@4a347760, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:55:56,631 INFO L334 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2024-11-10 18:55:56,636 INFO L276 IsEmpty]: Start isEmpty. Operand has 306 states, 155 states have (on average 1.9161290322580644) internal successors, (297), 293 states have internal predecessors, (297), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 18:55:56,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-10 18:55:56,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:55:56,641 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-10 18:55:56,641 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:55:56,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:55:56,645 INFO L85 PathProgramCache]: Analyzing trace with hash 10188357, now seen corresponding path program 1 times [2024-11-10 18:55:56,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:55:56,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905602284] [2024-11-10 18:55:56,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:55:56,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:55:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:55:56,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:55:56,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:55:56,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905602284] [2024-11-10 18:55:56,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905602284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:55:56,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:55:56,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:55:56,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928693512] [2024-11-10 18:55:56,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:55:56,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 18:55:56,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:55:56,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 18:55:56,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:55:56,859 INFO L87 Difference]: Start difference. First operand has 306 states, 155 states have (on average 1.9161290322580644) internal successors, (297), 293 states have internal predecessors, (297), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:55:56,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:55:56,905 INFO L93 Difference]: Finished difference Result 602 states and 646 transitions. [2024-11-10 18:55:56,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 18:55:56,908 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-10 18:55:56,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:55:56,916 INFO L225 Difference]: With dead ends: 602 [2024-11-10 18:55:56,916 INFO L226 Difference]: Without dead ends: 292 [2024-11-10 18:55:56,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:55:56,923 INFO L432 NwaCegarLoop]: 308 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, 308 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:55:56,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:55:56,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-10 18:55:56,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2024-11-10 18:55:56,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 150 states have (on average 1.8733333333333333) internal successors, (281), 280 states have internal predecessors, (281), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 18:55:56,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 301 transitions. [2024-11-10 18:55:56,972 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 301 transitions. Word has length 4 [2024-11-10 18:55:56,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:55:56,973 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 301 transitions. [2024-11-10 18:55:56,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:55:56,974 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 301 transitions. [2024-11-10 18:55:56,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-10 18:55:56,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:55:56,974 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-10 18:55:56,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:55:56,975 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:55:56,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:55:56,976 INFO L85 PathProgramCache]: Analyzing trace with hash 315842152, now seen corresponding path program 1 times [2024-11-10 18:55:56,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:55:56,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498187362] [2024-11-10 18:55:56,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:55:56,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:55:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:55:57,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:55:57,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:55:57,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498187362] [2024-11-10 18:55:57,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498187362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:55:57,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:55:57,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:55:57,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208080608] [2024-11-10 18:55:57,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:55:57,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:55:57,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:55:57,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:55:57,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:55:57,047 INFO L87 Difference]: Start difference. First operand 292 states and 301 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:55:57,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:55:57,233 INFO L93 Difference]: Finished difference Result 563 states and 582 transitions. [2024-11-10 18:55:57,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:55:57,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-10 18:55:57,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:55:57,236 INFO L225 Difference]: With dead ends: 563 [2024-11-10 18:55:57,237 INFO L226 Difference]: Without dead ends: 543 [2024-11-10 18:55:57,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:55:57,239 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 238 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:55:57,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 527 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:55:57,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-10 18:55:57,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 352. [2024-11-10 18:55:57,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 205 states have (on average 1.775609756097561) internal successors, (364), 335 states have internal predecessors, (364), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-10 18:55:57,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 394 transitions. [2024-11-10 18:55:57,283 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 394 transitions. Word has length 5 [2024-11-10 18:55:57,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:55:57,284 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 394 transitions. [2024-11-10 18:55:57,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:55:57,284 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 394 transitions. [2024-11-10 18:55:57,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-10 18:55:57,286 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:55:57,287 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:55:57,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:55:57,288 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:55:57,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:55:57,288 INFO L85 PathProgramCache]: Analyzing trace with hash 791043463, now seen corresponding path program 1 times [2024-11-10 18:55:57,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:55:57,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030750305] [2024-11-10 18:55:57,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:55:57,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:55:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:55:57,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [854975164] [2024-11-10 18:55:57,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:55:57,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:55:57,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:55:57,330 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:55:57,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 18:55:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:55:57,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:55:57,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:55:57,585 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:55:57,585 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:55:57,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:55:57,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030750305] [2024-11-10 18:55:57,586 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:55:57,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854975164] [2024-11-10 18:55:57,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854975164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:55:57,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:55:57,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:55:57,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162426802] [2024-11-10 18:55:57,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:55:57,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:55:57,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:55:57,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:55:57,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:55:57,593 INFO L87 Difference]: Start difference. First operand 352 states and 394 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:55:58,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:55:58,125 INFO L93 Difference]: Finished difference Result 515 states and 572 transitions. [2024-11-10 18:55:58,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:55:58,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2024-11-10 18:55:58,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:55:58,129 INFO L225 Difference]: With dead ends: 515 [2024-11-10 18:55:58,132 INFO L226 Difference]: Without dead ends: 460 [2024-11-10 18:55:58,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:55:58,134 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 137 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 18:55:58,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 271 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 18:55:58,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-11-10 18:55:58,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 439. [2024-11-10 18:55:58,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 287 states have (on average 1.6341463414634145) internal successors, (469), 417 states have internal predecessors, (469), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 18:55:58,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 509 transitions. [2024-11-10 18:55:58,157 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 509 transitions. Word has length 38 [2024-11-10 18:55:58,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:55:58,158 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 509 transitions. [2024-11-10 18:55:58,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:55:58,158 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 509 transitions. [2024-11-10 18:55:58,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-10 18:55:58,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:55:58,159 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:55:58,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 18:55:58,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:55:58,364 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:55:58,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:55:58,365 INFO L85 PathProgramCache]: Analyzing trace with hash -16436315, now seen corresponding path program 1 times [2024-11-10 18:55:58,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:55:58,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953836710] [2024-11-10 18:55:58,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:55:58,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:55:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:55:58,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:55:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:55:58,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:55:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:55:58,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 18:55:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:55:58,544 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:55:58,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:55:58,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953836710] [2024-11-10 18:55:58,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953836710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:55:58,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:55:58,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:55:58,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214734295] [2024-11-10 18:55:58,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:55:58,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:55:58,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:55:58,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:55:58,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:55:58,549 INFO L87 Difference]: Start difference. First operand 439 states and 509 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:55:59,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:55:59,056 INFO L93 Difference]: Finished difference Result 472 states and 516 transitions. [2024-11-10 18:55:59,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:55:59,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2024-11-10 18:55:59,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:55:59,062 INFO L225 Difference]: With dead ends: 472 [2024-11-10 18:55:59,063 INFO L226 Difference]: Without dead ends: 449 [2024-11-10 18:55:59,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:55:59,067 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 122 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 18:55:59,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 432 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 18:55:59,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-10 18:55:59,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 439. [2024-11-10 18:55:59,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 287 states have (on average 1.5540069686411149) internal successors, (446), 417 states have internal predecessors, (446), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 18:55:59,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 486 transitions. [2024-11-10 18:55:59,095 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 486 transitions. Word has length 40 [2024-11-10 18:55:59,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:55:59,096 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 486 transitions. [2024-11-10 18:55:59,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:55:59,096 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 486 transitions. [2024-11-10 18:55:59,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-10 18:55:59,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:55:59,098 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:55:59,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:55:59,098 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:55:59,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:55:59,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1384577475, now seen corresponding path program 1 times [2024-11-10 18:55:59,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:55:59,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675754676] [2024-11-10 18:55:59,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:55:59,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:55:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:55:59,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:55:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:55:59,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:55:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:55:59,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 18:55:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:55:59,222 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:55:59,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:55:59,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675754676] [2024-11-10 18:55:59,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675754676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:55:59,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:55:59,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:55:59,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823399485] [2024-11-10 18:55:59,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:55:59,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:55:59,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:55:59,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:55:59,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:55:59,229 INFO L87 Difference]: Start difference. First operand 439 states and 486 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:56:01,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:01,705 INFO L93 Difference]: Finished difference Result 451 states and 493 transitions. [2024-11-10 18:56:01,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:56:01,705 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2024-11-10 18:56:01,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:01,708 INFO L225 Difference]: With dead ends: 451 [2024-11-10 18:56:01,708 INFO L226 Difference]: Without dead ends: 449 [2024-11-10 18:56:01,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:01,709 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 140 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:01,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 455 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-10 18:56:01,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-10 18:56:01,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 439. [2024-11-10 18:56:01,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 287 states have (on average 1.5470383275261324) internal successors, (444), 417 states have internal predecessors, (444), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 18:56:01,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 484 transitions. [2024-11-10 18:56:01,722 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 484 transitions. Word has length 42 [2024-11-10 18:56:01,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:01,722 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 484 transitions. [2024-11-10 18:56:01,722 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:56:01,722 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 484 transitions. [2024-11-10 18:56:01,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-10 18:56:01,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:01,723 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:01,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:56:01,724 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:01,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:01,724 INFO L85 PathProgramCache]: Analyzing trace with hash -27771020, now seen corresponding path program 1 times [2024-11-10 18:56:01,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:01,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785110754] [2024-11-10 18:56:01,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:01,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:01,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:56:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:01,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:56:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:01,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 18:56:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:01,903 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:56:01,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:01,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785110754] [2024-11-10 18:56:01,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785110754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:01,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:01,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:56:01,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298173581] [2024-11-10 18:56:01,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:01,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:56:01,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:01,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:56:01,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:01,905 INFO L87 Difference]: Start difference. First operand 439 states and 484 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:56:02,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:02,742 INFO L93 Difference]: Finished difference Result 451 states and 491 transitions. [2024-11-10 18:56:02,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:56:02,742 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2024-11-10 18:56:02,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:02,745 INFO L225 Difference]: With dead ends: 451 [2024-11-10 18:56:02,746 INFO L226 Difference]: Without dead ends: 449 [2024-11-10 18:56:02,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:02,748 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 257 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:02,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 376 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 18:56:02,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-10 18:56:02,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 439. [2024-11-10 18:56:02,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 287 states have (on average 1.5400696864111498) internal successors, (442), 417 states have internal predecessors, (442), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 18:56:02,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 482 transitions. [2024-11-10 18:56:02,763 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 482 transitions. Word has length 43 [2024-11-10 18:56:02,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:02,763 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 482 transitions. [2024-11-10 18:56:02,763 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:56:02,764 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 482 transitions. [2024-11-10 18:56:02,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-10 18:56:02,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:02,764 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:02,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:56:02,765 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:02,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:02,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1602442751, now seen corresponding path program 1 times [2024-11-10 18:56:02,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:02,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920953141] [2024-11-10 18:56:02,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:02,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:02,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1498318203] [2024-11-10 18:56:02,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:02,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:02,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:02,801 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:02,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 18:56:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:02,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:56:02,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:03,072 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:56:03,072 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:56:03,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:03,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920953141] [2024-11-10 18:56:03,073 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:03,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498318203] [2024-11-10 18:56:03,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498318203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:03,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:03,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:56:03,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264560791] [2024-11-10 18:56:03,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:03,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:56:03,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:03,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:56:03,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:56:03,076 INFO L87 Difference]: Start difference. First operand 439 states and 482 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:56:03,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:03,655 INFO L93 Difference]: Finished difference Result 456 states and 489 transitions. [2024-11-10 18:56:03,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:56:03,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2024-11-10 18:56:03,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:03,657 INFO L225 Difference]: With dead ends: 456 [2024-11-10 18:56:03,657 INFO L226 Difference]: Without dead ends: 447 [2024-11-10 18:56:03,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:56:03,658 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 114 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:03,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 262 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 18:56:03,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-11-10 18:56:03,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 442. [2024-11-10 18:56:03,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 290 states have (on average 1.513793103448276) internal successors, (439), 420 states have internal predecessors, (439), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 18:56:03,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 479 transitions. [2024-11-10 18:56:03,674 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 479 transitions. Word has length 46 [2024-11-10 18:56:03,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:03,675 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 479 transitions. [2024-11-10 18:56:03,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:56:03,676 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 479 transitions. [2024-11-10 18:56:03,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-10 18:56:03,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:03,678 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:03,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 18:56:03,878 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,SelfDestructingSolverStorable6 [2024-11-10 18:56:03,879 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:03,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:03,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1863882064, now seen corresponding path program 1 times [2024-11-10 18:56:03,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:03,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034684443] [2024-11-10 18:56:03,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:03,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:03,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:56:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:03,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:56:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:03,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 18:56:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:03,995 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:56:03,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:03,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034684443] [2024-11-10 18:56:03,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034684443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:03,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:03,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:56:03,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616090748] [2024-11-10 18:56:03,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:03,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:56:03,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:03,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:56:03,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:03,998 INFO L87 Difference]: Start difference. First operand 442 states and 479 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:56:05,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:05,174 INFO L93 Difference]: Finished difference Result 455 states and 480 transitions. [2024-11-10 18:56:05,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:56:05,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2024-11-10 18:56:05,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:05,179 INFO L225 Difference]: With dead ends: 455 [2024-11-10 18:56:05,179 INFO L226 Difference]: Without dead ends: 449 [2024-11-10 18:56:05,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:05,180 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 136 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:05,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 392 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 18:56:05,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-10 18:56:05,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 442. [2024-11-10 18:56:05,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 290 states have (on average 1.493103448275862) internal successors, (433), 420 states have internal predecessors, (433), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 18:56:05,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 473 transitions. [2024-11-10 18:56:05,195 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 473 transitions. Word has length 47 [2024-11-10 18:56:05,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:05,195 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 473 transitions. [2024-11-10 18:56:05,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:56:05,196 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 473 transitions. [2024-11-10 18:56:05,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-10 18:56:05,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:05,197 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:05,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 18:56:05,198 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:05,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:05,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1523395092, now seen corresponding path program 1 times [2024-11-10 18:56:05,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:05,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325976658] [2024-11-10 18:56:05,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:05,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:05,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:56:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:05,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:56:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:05,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 18:56:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:05,334 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:56:05,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:05,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325976658] [2024-11-10 18:56:05,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325976658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:05,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:05,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:56:05,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398137088] [2024-11-10 18:56:05,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:05,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:56:05,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:05,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:56:05,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:05,336 INFO L87 Difference]: Start difference. First operand 442 states and 473 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:56:05,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:05,995 INFO L93 Difference]: Finished difference Result 453 states and 474 transitions. [2024-11-10 18:56:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:56:05,995 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2024-11-10 18:56:05,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:05,997 INFO L225 Difference]: With dead ends: 453 [2024-11-10 18:56:05,997 INFO L226 Difference]: Without dead ends: 380 [2024-11-10 18:56:05,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:06,000 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 230 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:06,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 274 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 18:56:06,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-11-10 18:56:06,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2024-11-10 18:56:06,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 227 states have (on average 1.60352422907489) internal successors, (364), 357 states have internal predecessors, (364), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 18:56:06,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 398 transitions. [2024-11-10 18:56:06,015 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 398 transitions. Word has length 51 [2024-11-10 18:56:06,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:06,016 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 398 transitions. [2024-11-10 18:56:06,016 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 18:56:06,016 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 398 transitions. [2024-11-10 18:56:06,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-10 18:56:06,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:06,020 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:06,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 18:56:06,020 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:06,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:06,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1905399693, now seen corresponding path program 1 times [2024-11-10 18:56:06,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:06,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580926443] [2024-11-10 18:56:06,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:06,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:06,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:56:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:06,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:56:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:06,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 18:56:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:06,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-10 18:56:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:06,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 18:56:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:06,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-10 18:56:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:06,166 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 18:56:06,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:06,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580926443] [2024-11-10 18:56:06,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580926443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:06,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:06,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:56:06,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634448912] [2024-11-10 18:56:06,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:06,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:56:06,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:06,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:56:06,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:56:06,168 INFO L87 Difference]: Start difference. First operand 376 states and 398 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-10 18:56:06,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:06,479 INFO L93 Difference]: Finished difference Result 376 states and 398 transitions. [2024-11-10 18:56:06,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:56:06,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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 86 [2024-11-10 18:56:06,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:06,481 INFO L225 Difference]: With dead ends: 376 [2024-11-10 18:56:06,482 INFO L226 Difference]: Without dead ends: 374 [2024-11-10 18:56:06,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:56:06,482 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 203 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:06,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 273 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:56:06,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-10 18:56:06,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 374. [2024-11-10 18:56:06,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 227 states have (on average 1.5859030837004404) internal successors, (360), 355 states have internal predecessors, (360), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 18:56:06,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 394 transitions. [2024-11-10 18:56:06,494 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 394 transitions. Word has length 86 [2024-11-10 18:56:06,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:06,495 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 394 transitions. [2024-11-10 18:56:06,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-10 18:56:06,495 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 394 transitions. [2024-11-10 18:56:06,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-10 18:56:06,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:06,496 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:06,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 18:56:06,497 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:06,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:06,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1062151527, now seen corresponding path program 1 times [2024-11-10 18:56:06,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:06,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751352406] [2024-11-10 18:56:06,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:06,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:06,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:56:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:06,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:56:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:06,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 18:56:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:06,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-10 18:56:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:06,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 18:56:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:06,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-10 18:56:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:06,623 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 18:56:06,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:06,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751352406] [2024-11-10 18:56:06,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751352406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:06,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:06,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:56:06,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794126369] [2024-11-10 18:56:06,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:06,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:56:06,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:06,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:56:06,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:56:06,626 INFO L87 Difference]: Start difference. First operand 374 states and 394 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 18:56:06,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:06,894 INFO L93 Difference]: Finished difference Result 378 states and 394 transitions. [2024-11-10 18:56:06,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:56:06,895 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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 87 [2024-11-10 18:56:06,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:06,896 INFO L225 Difference]: With dead ends: 378 [2024-11-10 18:56:06,896 INFO L226 Difference]: Without dead ends: 374 [2024-11-10 18:56:06,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:56:06,897 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 20 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:06,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 955 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:56:06,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-10 18:56:06,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 372. [2024-11-10 18:56:06,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 225 states have (on average 1.5822222222222222) internal successors, (356), 353 states have internal predecessors, (356), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 18:56:06,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 390 transitions. [2024-11-10 18:56:06,908 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 390 transitions. Word has length 87 [2024-11-10 18:56:06,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:06,908 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 390 transitions. [2024-11-10 18:56:06,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 18:56:06,909 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 390 transitions. [2024-11-10 18:56:06,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-10 18:56:06,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:06,909 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:06,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 18:56:06,910 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:06,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:06,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1484188979, now seen corresponding path program 1 times [2024-11-10 18:56:06,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:06,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952571612] [2024-11-10 18:56:06,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:06,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:06,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:56:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:06,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:56:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:06,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 18:56:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:06,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-10 18:56:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:06,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 18:56:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:06,973 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 18:56:06,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:06,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952571612] [2024-11-10 18:56:06,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952571612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:06,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:06,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:56:06,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730962656] [2024-11-10 18:56:06,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:06,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:56:06,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:06,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:56:06,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:56:06,976 INFO L87 Difference]: Start difference. First operand 372 states and 390 transitions. Second operand has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:56:07,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:07,539 INFO L93 Difference]: Finished difference Result 372 states and 390 transitions. [2024-11-10 18:56:07,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:56:07,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 86 [2024-11-10 18:56:07,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:07,541 INFO L225 Difference]: With dead ends: 372 [2024-11-10 18:56:07,541 INFO L226 Difference]: Without dead ends: 365 [2024-11-10 18:56:07,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:56:07,542 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 137 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:07,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 154 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 18:56:07,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-10 18:56:07,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2024-11-10 18:56:07,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 225 states have (on average 1.551111111111111) internal successors, (349), 346 states have internal predecessors, (349), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 18:56:07,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 383 transitions. [2024-11-10 18:56:07,557 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 383 transitions. Word has length 86 [2024-11-10 18:56:07,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:07,558 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 383 transitions. [2024-11-10 18:56:07,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:56:07,558 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 383 transitions. [2024-11-10 18:56:07,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-10 18:56:07,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:07,560 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:07,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 18:56:07,561 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:07,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:07,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1234782055, now seen corresponding path program 1 times [2024-11-10 18:56:07,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:07,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950996492] [2024-11-10 18:56:07,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:07,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:07,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:56:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:07,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:56:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:07,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 18:56:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:07,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-10 18:56:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:07,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 18:56:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:07,632 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 18:56:07,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:07,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950996492] [2024-11-10 18:56:07,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950996492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:07,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:07,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:56:07,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936996495] [2024-11-10 18:56:07,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:07,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:56:07,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:07,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:56:07,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:56:07,634 INFO L87 Difference]: Start difference. First operand 365 states and 383 transitions. Second operand has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:56:08,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:08,327 INFO L93 Difference]: Finished difference Result 370 states and 388 transitions. [2024-11-10 18:56:08,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:56:08,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 87 [2024-11-10 18:56:08,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:08,329 INFO L225 Difference]: With dead ends: 370 [2024-11-10 18:56:08,330 INFO L226 Difference]: Without dead ends: 369 [2024-11-10 18:56:08,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:56:08,331 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 19 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:08,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 394 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 18:56:08,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-10 18:56:08,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 368. [2024-11-10 18:56:08,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 228 states have (on average 1.543859649122807) internal successors, (352), 349 states have internal predecessors, (352), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 18:56:08,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 386 transitions. [2024-11-10 18:56:08,342 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 386 transitions. Word has length 87 [2024-11-10 18:56:08,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:08,342 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 386 transitions. [2024-11-10 18:56:08,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:56:08,343 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 386 transitions. [2024-11-10 18:56:08,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-10 18:56:08,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:08,343 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-10 18:56:08,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 18:56:08,344 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:08,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:08,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1013965347, now seen corresponding path program 1 times [2024-11-10 18:56:08,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:08,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228509768] [2024-11-10 18:56:08,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:08,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:08,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:56:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:08,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:56:08,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:08,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 18:56:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:08,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-10 18:56:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:08,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 18:56:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:08,412 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 18:56:08,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:08,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228509768] [2024-11-10 18:56:08,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228509768] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:56:08,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170974904] [2024-11-10 18:56:08,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:08,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:08,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:08,431 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:08,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 18:56:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:08,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:56:08,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:08,593 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 18:56:08,593 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:56:08,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170974904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:08,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:56:08,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-10 18:56:08,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900761101] [2024-11-10 18:56:08,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:08,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:56:08,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:08,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:56:08,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:56:08,597 INFO L87 Difference]: Start difference. First operand 368 states and 386 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:56:08,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:08,729 INFO L93 Difference]: Finished difference Result 370 states and 386 transitions. [2024-11-10 18:56:08,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:56:08,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 91 [2024-11-10 18:56:08,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:08,731 INFO L225 Difference]: With dead ends: 370 [2024-11-10 18:56:08,731 INFO L226 Difference]: Without dead ends: 362 [2024-11-10 18:56:08,731 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 [2024-11-10 18:56:08,732 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 255 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:08,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 391 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:56:08,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-10 18:56:08,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 360. [2024-11-10 18:56:08,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 228 states have (on average 1.5087719298245614) internal successors, (344), 341 states have internal predecessors, (344), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 18:56:08,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 378 transitions. [2024-11-10 18:56:08,744 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 378 transitions. Word has length 91 [2024-11-10 18:56:08,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:08,745 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 378 transitions. [2024-11-10 18:56:08,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 18:56:08,745 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 378 transitions. [2024-11-10 18:56:08,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-10 18:56:08,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:08,746 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-10 18:56:08,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 18:56:08,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:08,946 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr136ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:08,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:08,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1368154423, now seen corresponding path program 1 times [2024-11-10 18:56:08,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:08,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124587302] [2024-11-10 18:56:08,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:08,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:09,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:56:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:09,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:56:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:09,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 18:56:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:09,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-10 18:56:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:09,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 18:56:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:09,025 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 18:56:09,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:09,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124587302] [2024-11-10 18:56:09,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124587302] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:56:09,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68074473] [2024-11-10 18:56:09,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:09,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:09,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:09,027 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:09,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 18:56:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:09,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:56:09,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:09,168 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 18:56:09,168 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:56:09,304 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 18:56:09,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68074473] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:56:09,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:56:09,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-10 18:56:09,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598992331] [2024-11-10 18:56:09,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:56:09,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:56:09,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:09,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:56:09,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:56:09,308 INFO L87 Difference]: Start difference. First operand 360 states and 378 transitions. Second operand has 7 states, 6 states have (on average 31.5) internal successors, (189), 7 states have internal predecessors, (189), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-10 18:56:09,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:09,506 INFO L93 Difference]: Finished difference Result 628 states and 666 transitions. [2024-11-10 18:56:09,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:56:09,507 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 31.5) internal successors, (189), 7 states have internal predecessors, (189), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 92 [2024-11-10 18:56:09,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:09,509 INFO L225 Difference]: With dead ends: 628 [2024-11-10 18:56:09,509 INFO L226 Difference]: Without dead ends: 620 [2024-11-10 18:56:09,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:56:09,510 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 471 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:09,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 757 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:56:09,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2024-11-10 18:56:09,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 427. [2024-11-10 18:56:09,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 296 states have (on average 1.489864864864865) internal successors, (441), 403 states have internal predecessors, (441), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 18:56:09,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 485 transitions. [2024-11-10 18:56:09,524 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 485 transitions. Word has length 92 [2024-11-10 18:56:09,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:09,524 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 485 transitions. [2024-11-10 18:56:09,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 31.5) internal successors, (189), 7 states have internal predecessors, (189), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-10 18:56:09,525 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 485 transitions. [2024-11-10 18:56:09,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-10 18:56:09,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:09,526 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:09,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 18:56:09,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-10 18:56:09,730 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:09,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:09,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1537797962, now seen corresponding path program 1 times [2024-11-10 18:56:09,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:09,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340829663] [2024-11-10 18:56:09,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:09,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:09,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [201684953] [2024-11-10 18:56:09,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:09,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:09,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:09,751 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:09,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 18:56:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:09,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:56:09,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:09,955 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 18:56:09,955 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:56:09,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:09,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340829663] [2024-11-10 18:56:09,956 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:09,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201684953] [2024-11-10 18:56:09,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201684953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:09,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:09,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:56:09,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601837818] [2024-11-10 18:56:09,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:09,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:56:09,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:09,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:56:09,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:09,958 INFO L87 Difference]: Start difference. First operand 427 states and 485 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 18:56:10,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:10,897 INFO L93 Difference]: Finished difference Result 428 states and 485 transitions. [2024-11-10 18:56:10,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:56:10,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 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 103 [2024-11-10 18:56:10,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:10,900 INFO L225 Difference]: With dead ends: 428 [2024-11-10 18:56:10,900 INFO L226 Difference]: Without dead ends: 427 [2024-11-10 18:56:10,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:10,901 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 66 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:10,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 474 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 18:56:10,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-10 18:56:10,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 427. [2024-11-10 18:56:10,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 296 states have (on average 1.4864864864864864) internal successors, (440), 403 states have internal predecessors, (440), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 18:56:10,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 484 transitions. [2024-11-10 18:56:10,914 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 484 transitions. Word has length 103 [2024-11-10 18:56:10,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:10,915 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 484 transitions. [2024-11-10 18:56:10,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 18:56:10,915 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 484 transitions. [2024-11-10 18:56:10,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-10 18:56:10,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:10,916 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:10,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 18:56:11,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 18:56:11,117 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:11,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:11,117 INFO L85 PathProgramCache]: Analyzing trace with hash -427096457, now seen corresponding path program 1 times [2024-11-10 18:56:11,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:11,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797235231] [2024-11-10 18:56:11,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:11,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:11,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [871230917] [2024-11-10 18:56:11,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:11,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:11,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:11,143 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:11,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 18:56:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:11,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:56:11,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:11,430 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 18:56:11,430 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:56:11,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:11,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797235231] [2024-11-10 18:56:11,431 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:11,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871230917] [2024-11-10 18:56:11,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871230917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:11,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:11,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:56:11,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737863711] [2024-11-10 18:56:11,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:11,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:56:11,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:11,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:56:11,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:11,433 INFO L87 Difference]: Start difference. First operand 427 states and 484 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 18:56:12,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:12,287 INFO L93 Difference]: Finished difference Result 428 states and 484 transitions. [2024-11-10 18:56:12,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:56:12,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 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 104 [2024-11-10 18:56:12,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:12,290 INFO L225 Difference]: With dead ends: 428 [2024-11-10 18:56:12,290 INFO L226 Difference]: Without dead ends: 407 [2024-11-10 18:56:12,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:56:12,291 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 21 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:12,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 397 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 18:56:12,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-10 18:56:12,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2024-11-10 18:56:12,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 278 states have (on average 1.514388489208633) internal successors, (421), 385 states have internal predecessors, (421), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 18:56:12,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 461 transitions. [2024-11-10 18:56:12,321 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 461 transitions. Word has length 104 [2024-11-10 18:56:12,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:12,322 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 461 transitions. [2024-11-10 18:56:12,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 18:56:12,323 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 461 transitions. [2024-11-10 18:56:12,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-10 18:56:12,323 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:12,323 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-10 18:56:12,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-10 18:56:12,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-10 18:56:12,528 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:12,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:12,529 INFO L85 PathProgramCache]: Analyzing trace with hash 2058068981, now seen corresponding path program 1 times [2024-11-10 18:56:12,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:12,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018255517] [2024-11-10 18:56:12,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:12,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:12,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2139328716] [2024-11-10 18:56:12,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:12,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:12,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:12,550 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:12,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 18:56:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:12,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:56:12,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:12,703 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 18:56:12,704 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:56:12,883 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 18:56:12,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:12,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018255517] [2024-11-10 18:56:12,883 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:12,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139328716] [2024-11-10 18:56:12,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139328716] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:56:12,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 18:56:12,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-10 18:56:12,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889459846] [2024-11-10 18:56:12,884 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 18:56:12,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:56:12,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:12,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:56:12,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:56:12,885 INFO L87 Difference]: Start difference. First operand 407 states and 461 transitions. Second operand has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-10 18:56:13,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:13,101 INFO L93 Difference]: Finished difference Result 608 states and 638 transitions. [2024-11-10 18:56:13,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:56:13,102 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 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 103 [2024-11-10 18:56:13,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:13,104 INFO L225 Difference]: With dead ends: 608 [2024-11-10 18:56:13,104 INFO L226 Difference]: Without dead ends: 603 [2024-11-10 18:56:13,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:56:13,105 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 1060 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1069 SdHoareTripleChecker+Valid, 779 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:13,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1069 Valid, 779 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:56:13,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-11-10 18:56:13,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 412. [2024-11-10 18:56:13,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 286 states have (on average 1.472027972027972) internal successors, (421), 389 states have internal predecessors, (421), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-10 18:56:13,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 463 transitions. [2024-11-10 18:56:13,118 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 463 transitions. Word has length 103 [2024-11-10 18:56:13,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:13,118 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 463 transitions. [2024-11-10 18:56:13,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-10 18:56:13,119 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 463 transitions. [2024-11-10 18:56:13,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-10 18:56:13,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:13,120 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:13,136 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 18:56:13,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:13,320 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:13,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:13,321 INFO L85 PathProgramCache]: Analyzing trace with hash 683810994, now seen corresponding path program 1 times [2024-11-10 18:56:13,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:13,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512758721] [2024-11-10 18:56:13,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:13,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:13,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1847589004] [2024-11-10 18:56:13,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:13,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:13,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:13,344 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:13,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 18:56:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:13,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:56:13,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:13,712 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 18:56:13,712 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:56:13,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:13,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512758721] [2024-11-10 18:56:13,713 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:13,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847589004] [2024-11-10 18:56:13,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847589004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:13,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:13,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:56:13,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370464367] [2024-11-10 18:56:13,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:13,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:56:13,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:13,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:56:13,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:56:13,714 INFO L87 Difference]: Start difference. First operand 412 states and 463 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 18:56:15,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:15,162 INFO L93 Difference]: Finished difference Result 412 states and 463 transitions. [2024-11-10 18:56:15,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:56:15,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 124 [2024-11-10 18:56:15,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:15,165 INFO L225 Difference]: With dead ends: 412 [2024-11-10 18:56:15,165 INFO L226 Difference]: Without dead ends: 402 [2024-11-10 18:56:15,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:56:15,166 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 139 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:15,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 292 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 18:56:15,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2024-11-10 18:56:15,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2024-11-10 18:56:15,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 286 states have (on average 1.4230769230769231) internal successors, (407), 379 states have internal predecessors, (407), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-10 18:56:15,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 449 transitions. [2024-11-10 18:56:15,179 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 449 transitions. Word has length 124 [2024-11-10 18:56:15,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:15,179 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 449 transitions. [2024-11-10 18:56:15,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 18:56:15,180 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 449 transitions. [2024-11-10 18:56:15,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-10 18:56:15,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:15,181 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:15,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 18:56:15,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:15,385 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:15,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:15,386 INFO L85 PathProgramCache]: Analyzing trace with hash -276695443, now seen corresponding path program 1 times [2024-11-10 18:56:15,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:15,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614024516] [2024-11-10 18:56:15,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:15,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:15,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1818246508] [2024-11-10 18:56:15,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:15,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:15,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:15,409 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:15,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 18:56:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:15,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:56:15,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:15,728 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 18:56:15,728 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:56:16,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:16,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614024516] [2024-11-10 18:56:16,895 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:16,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818246508] [2024-11-10 18:56:16,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818246508] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:56:16,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:56:16,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-10 18:56:16,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584075360] [2024-11-10 18:56:16,896 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 18:56:16,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:56:16,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:16,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:56:16,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:56:16,898 INFO L87 Difference]: Start difference. First operand 402 states and 449 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 18:56:17,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:17,747 INFO L93 Difference]: Finished difference Result 528 states and 608 transitions. [2024-11-10 18:56:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:56:17,747 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 125 [2024-11-10 18:56:17,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:17,749 INFO L225 Difference]: With dead ends: 528 [2024-11-10 18:56:17,749 INFO L226 Difference]: Without dead ends: 505 [2024-11-10 18:56:17,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:56:17,750 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 134 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:17,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 417 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 18:56:17,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2024-11-10 18:56:17,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 487. [2024-11-10 18:56:17,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 366 states have (on average 1.4371584699453552) internal successors, (526), 459 states have internal predecessors, (526), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 18:56:17,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 578 transitions. [2024-11-10 18:56:17,766 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 578 transitions. Word has length 125 [2024-11-10 18:56:17,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:17,767 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 578 transitions. [2024-11-10 18:56:17,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 18:56:17,767 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 578 transitions. [2024-11-10 18:56:17,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-10 18:56:17,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:17,768 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:17,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 18:56:17,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:17,969 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:17,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:17,970 INFO L85 PathProgramCache]: Analyzing trace with hash 12376080, now seen corresponding path program 1 times [2024-11-10 18:56:17,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:17,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484859202] [2024-11-10 18:56:17,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:17,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:18,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:56:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:18,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:56:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:18,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 18:56:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:18,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-10 18:56:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:18,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 18:56:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:18,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 18:56:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:18,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-10 18:56:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:18,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 18:56:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:18,096 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 18:56:18,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:18,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484859202] [2024-11-10 18:56:18,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484859202] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:56:18,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938424386] [2024-11-10 18:56:18,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:18,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:18,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:18,100 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:18,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 18:56:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:18,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:56:18,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:18,378 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 18:56:18,378 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:56:18,517 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 18:56:18,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938424386] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:56:18,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:56:18,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-10 18:56:18,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757525515] [2024-11-10 18:56:18,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:56:18,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 18:56:18,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:18,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 18:56:18,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:56:18,519 INFO L87 Difference]: Start difference. First operand 487 states and 578 transitions. Second operand has 8 states, 7 states have (on average 33.285714285714285) internal successors, (233), 8 states have internal predecessors, (233), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-10 18:56:19,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:19,225 INFO L93 Difference]: Finished difference Result 512 states and 585 transitions. [2024-11-10 18:56:19,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:56:19,225 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.285714285714285) internal successors, (233), 8 states have internal predecessors, (233), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 126 [2024-11-10 18:56:19,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:19,227 INFO L225 Difference]: With dead ends: 512 [2024-11-10 18:56:19,227 INFO L226 Difference]: Without dead ends: 507 [2024-11-10 18:56:19,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:56:19,228 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 476 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:19,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 718 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 874 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 18:56:19,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2024-11-10 18:56:19,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 483. [2024-11-10 18:56:19,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 366 states have (on average 1.4125683060109289) internal successors, (517), 455 states have internal predecessors, (517), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 18:56:19,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 569 transitions. [2024-11-10 18:56:19,242 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 569 transitions. Word has length 126 [2024-11-10 18:56:19,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:19,243 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 569 transitions. [2024-11-10 18:56:19,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.285714285714285) internal successors, (233), 8 states have internal predecessors, (233), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-10 18:56:19,243 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 569 transitions. [2024-11-10 18:56:19,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-10 18:56:19,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:19,245 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:19,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-10 18:56:19,446 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,SelfDestructingSolverStorable20 [2024-11-10 18:56:19,446 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:19,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:19,447 INFO L85 PathProgramCache]: Analyzing trace with hash 383658699, now seen corresponding path program 1 times [2024-11-10 18:56:19,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:19,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948645354] [2024-11-10 18:56:19,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:19,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:19,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:56:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:19,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:56:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:19,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 18:56:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:19,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-10 18:56:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:19,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 18:56:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:19,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 18:56:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:19,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-10 18:56:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:19,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 18:56:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:19,579 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 18:56:19,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:19,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948645354] [2024-11-10 18:56:19,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948645354] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:56:19,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212786019] [2024-11-10 18:56:19,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:19,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:19,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:19,581 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:19,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 18:56:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:19,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:56:19,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:19,828 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 18:56:19,829 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:56:19,983 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 18:56:19,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212786019] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:56:19,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:56:19,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-10 18:56:19,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251527209] [2024-11-10 18:56:19,984 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:56:19,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 18:56:19,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:19,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 18:56:19,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:56:19,986 INFO L87 Difference]: Start difference. First operand 483 states and 569 transitions. Second operand has 8 states, 7 states have (on average 33.57142857142857) internal successors, (235), 8 states have internal predecessors, (235), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-10 18:56:20,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:20,955 INFO L93 Difference]: Finished difference Result 508 states and 576 transitions. [2024-11-10 18:56:20,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:56:20,955 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.57142857142857) internal successors, (235), 8 states have internal predecessors, (235), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 127 [2024-11-10 18:56:20,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:20,957 INFO L225 Difference]: With dead ends: 508 [2024-11-10 18:56:20,957 INFO L226 Difference]: Without dead ends: 503 [2024-11-10 18:56:20,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:56:20,958 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 473 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:20,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 481 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 18:56:20,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-10 18:56:20,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 479. [2024-11-10 18:56:20,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 366 states have (on average 1.3879781420765027) internal successors, (508), 451 states have internal predecessors, (508), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 18:56:20,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 560 transitions. [2024-11-10 18:56:20,972 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 560 transitions. Word has length 127 [2024-11-10 18:56:20,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:20,973 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 560 transitions. [2024-11-10 18:56:20,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.57142857142857) internal successors, (235), 8 states have internal predecessors, (235), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-10 18:56:20,973 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 560 transitions. [2024-11-10 18:56:20,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-10 18:56:20,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:20,974 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:20,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-10 18:56:21,178 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,SelfDestructingSolverStorable21 [2024-11-10 18:56:21,179 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:21,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:21,179 INFO L85 PathProgramCache]: Analyzing trace with hash -991482002, now seen corresponding path program 1 times [2024-11-10 18:56:21,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:21,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166986734] [2024-11-10 18:56:21,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:21,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:21,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [157025051] [2024-11-10 18:56:21,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:21,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:21,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:21,214 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:21,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 18:56:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:21,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 18:56:21,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:21,688 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 18:56:21,688 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:56:21,946 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 18:56:21,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:21,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166986734] [2024-11-10 18:56:21,947 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:21,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157025051] [2024-11-10 18:56:21,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157025051] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:56:21,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 18:56:21,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-10 18:56:21,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240316859] [2024-11-10 18:56:21,948 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 18:56:21,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 18:56:21,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:21,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 18:56:21,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:56:21,949 INFO L87 Difference]: Start difference. First operand 479 states and 560 transitions. Second operand has 10 states, 9 states have (on average 19.77777777777778) internal successors, (178), 10 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-10 18:56:27,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:27,089 INFO L93 Difference]: Finished difference Result 527 states and 567 transitions. [2024-11-10 18:56:27,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 18:56:27,090 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.77777777777778) internal successors, (178), 10 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 128 [2024-11-10 18:56:27,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:27,092 INFO L225 Difference]: With dead ends: 527 [2024-11-10 18:56:27,092 INFO L226 Difference]: Without dead ends: 432 [2024-11-10 18:56:27,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-10 18:56:27,093 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 328 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 1456 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 1521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:27,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 477 Invalid, 1521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1456 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-10 18:56:27,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-10 18:56:27,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 426. [2024-11-10 18:56:27,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 318 states have (on average 1.3238993710691824) internal successors, (421), 401 states have internal predecessors, (421), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 18:56:27,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 467 transitions. [2024-11-10 18:56:27,108 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 467 transitions. Word has length 128 [2024-11-10 18:56:27,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:27,108 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 467 transitions. [2024-11-10 18:56:27,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.77777777777778) internal successors, (178), 10 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-10 18:56:27,108 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 467 transitions. [2024-11-10 18:56:27,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-10 18:56:27,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:27,111 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:27,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-10 18:56:27,315 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,SelfDestructingSolverStorable22 [2024-11-10 18:56:27,316 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:27,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:27,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1300127438, now seen corresponding path program 1 times [2024-11-10 18:56:27,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:27,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743580166] [2024-11-10 18:56:27,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:27,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:27,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:56:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:27,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:56:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:27,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 18:56:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:27,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-10 18:56:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:27,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 18:56:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:27,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 18:56:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:27,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-10 18:56:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:27,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 18:56:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:27,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 18:56:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:27,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 18:56:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:27,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 18:56:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:27,505 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 18:56:27,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:27,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743580166] [2024-11-10 18:56:27,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743580166] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:56:27,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547220946] [2024-11-10 18:56:27,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:27,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:27,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:27,509 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:27,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 18:56:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:27,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:56:27,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:27,719 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 18:56:27,720 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:56:27,865 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 18:56:27,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547220946] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:56:27,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:56:27,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-10 18:56:27,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633291058] [2024-11-10 18:56:27,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:56:27,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 18:56:27,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:27,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 18:56:27,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:56:27,867 INFO L87 Difference]: Start difference. First operand 426 states and 467 transitions. Second operand has 9 states, 8 states have (on average 36.375) internal successors, (291), 9 states have internal predecessors, (291), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2024-11-10 18:56:28,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:28,272 INFO L93 Difference]: Finished difference Result 450 states and 476 transitions. [2024-11-10 18:56:28,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 18:56:28,273 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 36.375) internal successors, (291), 9 states have internal predecessors, (291), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) Word has length 173 [2024-11-10 18:56:28,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:28,274 INFO L225 Difference]: With dead ends: 450 [2024-11-10 18:56:28,274 INFO L226 Difference]: Without dead ends: 448 [2024-11-10 18:56:28,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 363 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2024-11-10 18:56:28,275 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 857 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:28,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 886 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 18:56:28,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-10 18:56:28,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 424. [2024-11-10 18:56:28,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 318 states have (on average 1.3113207547169812) internal successors, (417), 399 states have internal predecessors, (417), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 18:56:28,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 463 transitions. [2024-11-10 18:56:28,310 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 463 transitions. Word has length 173 [2024-11-10 18:56:28,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:28,310 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 463 transitions. [2024-11-10 18:56:28,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 36.375) internal successors, (291), 9 states have internal predecessors, (291), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2024-11-10 18:56:28,311 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 463 transitions. [2024-11-10 18:56:28,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-10 18:56:28,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:28,313 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:28,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-10 18:56:28,514 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,SelfDestructingSolverStorable23 [2024-11-10 18:56:28,514 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:28,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:28,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1649245046, now seen corresponding path program 1 times [2024-11-10 18:56:28,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:28,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416288866] [2024-11-10 18:56:28,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:28,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:28,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [345978623] [2024-11-10 18:56:28,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:28,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:28,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:28,544 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:28,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 18:56:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:28,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 18:56:28,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:28,988 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 18:56:28,988 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:56:30,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:30,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416288866] [2024-11-10 18:56:30,201 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:30,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345978623] [2024-11-10 18:56:30,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345978623] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:56:30,201 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:56:30,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-10 18:56:30,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767022235] [2024-11-10 18:56:30,202 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 18:56:30,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:56:30,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:30,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:56:30,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:56:30,203 INFO L87 Difference]: Start difference. First operand 424 states and 463 transitions. Second operand has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-10 18:56:31,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:31,009 INFO L93 Difference]: Finished difference Result 425 states and 463 transitions. [2024-11-10 18:56:31,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:56:31,010 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 174 [2024-11-10 18:56:31,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:31,011 INFO L225 Difference]: With dead ends: 425 [2024-11-10 18:56:31,011 INFO L226 Difference]: Without dead ends: 424 [2024-11-10 18:56:31,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:56:31,012 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 36 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:31,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 459 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 18:56:31,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-10 18:56:31,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2024-11-10 18:56:31,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 318 states have (on average 1.3081761006289307) internal successors, (416), 399 states have internal predecessors, (416), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 18:56:31,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 462 transitions. [2024-11-10 18:56:31,026 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 462 transitions. Word has length 174 [2024-11-10 18:56:31,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:31,026 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 462 transitions. [2024-11-10 18:56:31,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-10 18:56:31,026 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 462 transitions. [2024-11-10 18:56:31,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-10 18:56:31,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:31,028 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 18:56:31,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-10 18:56:31,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:31,229 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:31,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:31,229 INFO L85 PathProgramCache]: Analyzing trace with hash -697906276, now seen corresponding path program 1 times [2024-11-10 18:56:31,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:31,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761920017] [2024-11-10 18:56:31,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:31,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:31,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:56:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:31,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:56:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:31,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 18:56:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:31,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-10 18:56:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:31,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 18:56:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:31,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 18:56:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:31,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-10 18:56:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:31,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 18:56:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:31,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 18:56:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:31,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 18:56:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:31,325 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-11-10 18:56:31,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:31,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761920017] [2024-11-10 18:56:31,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761920017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:31,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:31,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:56:31,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880118835] [2024-11-10 18:56:31,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:31,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:56:31,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:31,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:56:31,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:56:31,329 INFO L87 Difference]: Start difference. First operand 424 states and 462 transitions. Second operand has 3 states, 2 states have (on average 47.5) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 18:56:32,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:32,034 INFO L93 Difference]: Finished difference Result 424 states and 462 transitions. [2024-11-10 18:56:32,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:56:32,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 47.5) internal successors, (95), 3 states have internal predecessors, (95), 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 173 [2024-11-10 18:56:32,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:32,036 INFO L225 Difference]: With dead ends: 424 [2024-11-10 18:56:32,036 INFO L226 Difference]: Without dead ends: 421 [2024-11-10 18:56:32,036 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 [2024-11-10 18:56:32,037 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 127 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:32,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 156 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 18:56:32,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-11-10 18:56:32,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2024-11-10 18:56:32,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 318 states have (on average 1.2955974842767295) internal successors, (412), 396 states have internal predecessors, (412), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 18:56:32,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 458 transitions. [2024-11-10 18:56:32,056 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 458 transitions. Word has length 173 [2024-11-10 18:56:32,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:32,056 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 458 transitions. [2024-11-10 18:56:32,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 47.5) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 18:56:32,056 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 458 transitions. [2024-11-10 18:56:32,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-10 18:56:32,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:32,058 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:32,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-10 18:56:32,058 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:32,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:32,059 INFO L85 PathProgramCache]: Analyzing trace with hash -413010996, now seen corresponding path program 1 times [2024-11-10 18:56:32,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:32,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007355006] [2024-11-10 18:56:32,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:32,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:32,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1903938064] [2024-11-10 18:56:32,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:32,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:32,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:32,092 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:32,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-10 18:56:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:32,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 18:56:32,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:32,584 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 18:56:32,584 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:56:32,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:32,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007355006] [2024-11-10 18:56:32,843 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:32,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903938064] [2024-11-10 18:56:32,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903938064] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:56:32,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:56:32,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 18:56:32,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638041350] [2024-11-10 18:56:32,844 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 18:56:32,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:56:32,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:32,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:56:32,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:56:32,844 INFO L87 Difference]: Start difference. First operand 421 states and 458 transitions. Second operand has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-10 18:56:33,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:33,882 INFO L93 Difference]: Finished difference Result 432 states and 458 transitions. [2024-11-10 18:56:33,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:56:33,882 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 175 [2024-11-10 18:56:33,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:33,883 INFO L225 Difference]: With dead ends: 432 [2024-11-10 18:56:33,883 INFO L226 Difference]: Without dead ends: 431 [2024-11-10 18:56:33,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:56:33,884 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 71 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:33,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 534 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 18:56:33,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-11-10 18:56:33,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 421. [2024-11-10 18:56:33,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 318 states have (on average 1.2924528301886793) internal successors, (411), 396 states have internal predecessors, (411), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 18:56:33,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 457 transitions. [2024-11-10 18:56:33,898 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 457 transitions. Word has length 175 [2024-11-10 18:56:33,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:33,898 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 457 transitions. [2024-11-10 18:56:33,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-10 18:56:33,899 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 457 transitions. [2024-11-10 18:56:33,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 18:56:33,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:33,900 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:33,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-10 18:56:34,101 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,SelfDestructingSolverStorable26 [2024-11-10 18:56:34,101 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:34,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:34,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1070848242, now seen corresponding path program 1 times [2024-11-10 18:56:34,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:34,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658516905] [2024-11-10 18:56:34,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:34,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:34,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2028425611] [2024-11-10 18:56:34,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:34,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:34,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:34,130 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:34,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-10 18:56:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:34,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 18:56:34,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:35,789 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 18:56:35,789 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:56:37,000 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 18:56:37,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:37,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658516905] [2024-11-10 18:56:37,000 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:37,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028425611] [2024-11-10 18:56:37,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028425611] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:56:37,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 18:56:37,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-10 18:56:37,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299859761] [2024-11-10 18:56:37,001 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 18:56:37,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 18:56:37,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:37,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 18:56:37,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:56:37,003 INFO L87 Difference]: Start difference. First operand 421 states and 457 transitions. Second operand has 10 states, 9 states have (on average 27.555555555555557) internal successors, (248), 10 states have internal predecessors, (248), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-10 18:56:43,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:43,594 INFO L93 Difference]: Finished difference Result 429 states and 457 transitions. [2024-11-10 18:56:43,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 18:56:43,594 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 27.555555555555557) internal successors, (248), 10 states have internal predecessors, (248), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 178 [2024-11-10 18:56:43,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:43,595 INFO L225 Difference]: With dead ends: 429 [2024-11-10 18:56:43,595 INFO L226 Difference]: Without dead ends: 421 [2024-11-10 18:56:43,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-10 18:56:43,596 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 255 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 1245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:43,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 277 Invalid, 1245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1220 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2024-11-10 18:56:43,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-11-10 18:56:43,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2024-11-10 18:56:43,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 318 states have (on average 1.2672955974842768) internal successors, (403), 396 states have internal predecessors, (403), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 18:56:43,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 449 transitions. [2024-11-10 18:56:43,614 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 449 transitions. Word has length 178 [2024-11-10 18:56:43,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:43,615 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 449 transitions. [2024-11-10 18:56:43,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 27.555555555555557) internal successors, (248), 10 states have internal predecessors, (248), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-10 18:56:43,615 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 449 transitions. [2024-11-10 18:56:43,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-10 18:56:43,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:43,616 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 18:56:43,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-10 18:56:43,817 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,SelfDestructingSolverStorable27 [2024-11-10 18:56:43,817 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:43,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:43,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1735260573, now seen corresponding path program 1 times [2024-11-10 18:56:43,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:43,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591982415] [2024-11-10 18:56:43,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:43,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:43,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1367211234] [2024-11-10 18:56:43,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:43,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:43,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:43,846 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:43,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-10 18:56:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:43,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 18:56:43,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:45,048 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 18:56:45,048 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:56:46,286 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 18:56:46,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:46,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591982415] [2024-11-10 18:56:46,286 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:46,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367211234] [2024-11-10 18:56:46,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367211234] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:56:46,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 18:56:46,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-10 18:56:46,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755227164] [2024-11-10 18:56:46,288 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 18:56:46,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 18:56:46,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:46,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 18:56:46,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:56:46,289 INFO L87 Difference]: Start difference. First operand 421 states and 449 transitions. Second operand has 10 states, 9 states have (on average 30.666666666666668) internal successors, (276), 10 states have internal predecessors, (276), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-10 18:56:50,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:50,802 INFO L93 Difference]: Finished difference Result 505 states and 570 transitions. [2024-11-10 18:56:50,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 18:56:50,802 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 30.666666666666668) internal successors, (276), 10 states have internal predecessors, (276), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 197 [2024-11-10 18:56:50,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:50,804 INFO L225 Difference]: With dead ends: 505 [2024-11-10 18:56:50,804 INFO L226 Difference]: Without dead ends: 465 [2024-11-10 18:56:50,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-11-10 18:56:50,804 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 246 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 1438 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:50,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 379 Invalid, 1457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1438 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-10 18:56:50,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-11-10 18:56:50,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 453. [2024-11-10 18:56:50,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 346 states have (on average 1.3323699421965318) internal successors, (461), 424 states have internal predecessors, (461), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 18:56:50,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 515 transitions. [2024-11-10 18:56:50,824 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 515 transitions. Word has length 197 [2024-11-10 18:56:50,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:50,824 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 515 transitions. [2024-11-10 18:56:50,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 30.666666666666668) internal successors, (276), 10 states have internal predecessors, (276), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-10 18:56:50,825 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 515 transitions. [2024-11-10 18:56:50,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-10 18:56:50,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:50,826 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-10 18:56:50,843 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-10 18:56:51,030 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,SelfDestructingSolverStorable28 [2024-11-10 18:56:51,032 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:51,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:51,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1860119572, now seen corresponding path program 1 times [2024-11-10 18:56:51,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:51,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451940263] [2024-11-10 18:56:51,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:51,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:51,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [438681918] [2024-11-10 18:56:51,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:51,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:51,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:51,066 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:51,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-10 18:56:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:51,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:56:51,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:51,284 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 18:56:51,284 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:56:51,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:51,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451940263] [2024-11-10 18:56:51,355 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:51,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438681918] [2024-11-10 18:56:51,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438681918] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:56:51,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:56:51,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-10 18:56:51,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028712799] [2024-11-10 18:56:51,356 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 18:56:51,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:56:51,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:51,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:56:51,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:56:51,357 INFO L87 Difference]: Start difference. First operand 453 states and 515 transitions. Second operand has 5 states, 4 states have (on average 36.75) internal successors, (147), 5 states have internal predecessors, (147), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-10 18:56:51,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:51,495 INFO L93 Difference]: Finished difference Result 592 states and 621 transitions. [2024-11-10 18:56:51,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:56:51,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 36.75) internal successors, (147), 5 states have internal predecessors, (147), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 204 [2024-11-10 18:56:51,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:51,498 INFO L225 Difference]: With dead ends: 592 [2024-11-10 18:56:51,498 INFO L226 Difference]: Without dead ends: 591 [2024-11-10 18:56:51,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:56:51,499 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 189 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:51,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 823 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:56:51,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2024-11-10 18:56:51,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 453. [2024-11-10 18:56:51,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 346 states have (on average 1.329479768786127) internal successors, (460), 424 states have internal predecessors, (460), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 18:56:51,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 514 transitions. [2024-11-10 18:56:51,518 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 514 transitions. Word has length 204 [2024-11-10 18:56:51,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:51,519 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 514 transitions. [2024-11-10 18:56:51,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 36.75) internal successors, (147), 5 states have internal predecessors, (147), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-10 18:56:51,519 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 514 transitions. [2024-11-10 18:56:51,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-10 18:56:51,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:51,520 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-10 18:56:51,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-10 18:56:51,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:51,721 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:51,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:51,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1757435166, now seen corresponding path program 2 times [2024-11-10 18:56:51,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:51,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509426087] [2024-11-10 18:56:51,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:51,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:51,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1804705769] [2024-11-10 18:56:51,751 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:56:51,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:51,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:51,760 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:51,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-10 18:56:51,951 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:56:51,951 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:56:51,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 18:56:51,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:52,360 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:56:52,360 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:56:53,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:53,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509426087] [2024-11-10 18:56:53,613 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:53,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804705769] [2024-11-10 18:56:53,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804705769] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:56:53,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:56:53,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 18:56:53,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728891903] [2024-11-10 18:56:53,614 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 18:56:53,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:56:53,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:53,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:56:53,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:56:53,615 INFO L87 Difference]: Start difference. First operand 453 states and 514 transitions. Second operand has 7 states, 6 states have (on average 24.833333333333332) internal successors, (149), 7 states have internal predecessors, (149), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-10 18:56:54,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:54,438 INFO L93 Difference]: Finished difference Result 549 states and 629 transitions. [2024-11-10 18:56:54,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:56:54,439 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 24.833333333333332) internal successors, (149), 7 states have internal predecessors, (149), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 211 [2024-11-10 18:56:54,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:54,441 INFO L225 Difference]: With dead ends: 549 [2024-11-10 18:56:54,441 INFO L226 Difference]: Without dead ends: 528 [2024-11-10 18:56:54,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:56:54,441 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 124 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 1398 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:54,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 732 Invalid, 1418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1398 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 18:56:54,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-11-10 18:56:54,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 515. [2024-11-10 18:56:54,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 405 states have (on average 1.3185185185185184) internal successors, (534), 483 states have internal predecessors, (534), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 18:56:54,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 594 transitions. [2024-11-10 18:56:54,460 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 594 transitions. Word has length 211 [2024-11-10 18:56:54,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:54,460 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 594 transitions. [2024-11-10 18:56:54,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 24.833333333333332) internal successors, (149), 7 states have internal predecessors, (149), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-10 18:56:54,461 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 594 transitions. [2024-11-10 18:56:54,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-10 18:56:54,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:54,462 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-10 18:56:54,470 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-10 18:56:54,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:54,662 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:54,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:54,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1354084923, now seen corresponding path program 2 times [2024-11-10 18:56:54,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:54,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479153285] [2024-11-10 18:56:54,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:54,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:54,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:56:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:54,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:56:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:54,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 18:56:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:54,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-10 18:56:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:54,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 18:56:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:54,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 18:56:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:54,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-10 18:56:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:54,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 18:56:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:54,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 18:56:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:54,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 18:56:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:54,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-10 18:56:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:54,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 18:56:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:54,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 18:56:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:54,882 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:56:54,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:54,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479153285] [2024-11-10 18:56:54,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479153285] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:56:54,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791887328] [2024-11-10 18:56:54,883 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:56:54,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:54,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:54,885 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:54,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-10 18:56:54,957 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:56:54,957 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:56:54,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 18:56:54,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:55,373 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:56:55,374 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:56:55,618 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:56:55,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791887328] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:56:55,618 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:56:55,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-10 18:56:55,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258941986] [2024-11-10 18:56:55,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:56:55,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 18:56:55,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:55,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 18:56:55,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-10 18:56:55,621 INFO L87 Difference]: Start difference. First operand 515 states and 594 transitions. Second operand has 13 states, 12 states have (on average 34.416666666666664) internal successors, (413), 13 states have internal predecessors, (413), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-10 18:56:57,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:57,500 INFO L93 Difference]: Finished difference Result 515 states and 594 transitions. [2024-11-10 18:56:57,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 18:56:57,500 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 34.416666666666664) internal successors, (413), 13 states have internal predecessors, (413), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 212 [2024-11-10 18:56:57,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:57,502 INFO L225 Difference]: With dead ends: 515 [2024-11-10 18:56:57,502 INFO L226 Difference]: Without dead ends: 511 [2024-11-10 18:56:57,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 442 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2024-11-10 18:56:57,503 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 529 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 1413 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 1451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:57,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 617 Invalid, 1451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1413 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-10 18:56:57,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-11-10 18:56:57,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2024-11-10 18:56:57,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 405 states have (on average 1.2987654320987654) internal successors, (526), 479 states have internal predecessors, (526), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 18:56:57,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 586 transitions. [2024-11-10 18:56:57,526 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 586 transitions. Word has length 212 [2024-11-10 18:56:57,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:57,526 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 586 transitions. [2024-11-10 18:56:57,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 34.416666666666664) internal successors, (413), 13 states have internal predecessors, (413), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-10 18:56:57,527 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 586 transitions. [2024-11-10 18:56:57,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-10 18:56:57,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:57,528 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-10 18:56:57,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-10 18:56:57,732 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,SelfDestructingSolverStorable31 [2024-11-10 18:56:57,733 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:56:57,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:57,733 INFO L85 PathProgramCache]: Analyzing trace with hash -973040128, now seen corresponding path program 2 times [2024-11-10 18:56:57,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:57,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221906707] [2024-11-10 18:56:57,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:57,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:57,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:56:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:57,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:56:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:57,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 18:56:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:57,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-10 18:56:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:57,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 18:56:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:57,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 18:56:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:57,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-10 18:56:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:57,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 18:56:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:57,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 18:56:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:57,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 18:56:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:57,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-10 18:56:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:57,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 18:56:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:57,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 18:56:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:57,950 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:56:57,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:57,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221906707] [2024-11-10 18:56:57,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221906707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:56:57,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212398729] [2024-11-10 18:56:57,950 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:56:57,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:57,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:57,952 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:57,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-10 18:56:58,023 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:56:58,023 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:56:58,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 18:56:58,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:58,472 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:56:58,472 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:56:58,746 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:56:58,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212398729] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:56:58,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:56:58,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-10 18:56:58,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705771207] [2024-11-10 18:56:58,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:56:58,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 18:56:58,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:58,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 18:56:58,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-11-10 18:56:58,749 INFO L87 Difference]: Start difference. First operand 511 states and 586 transitions. Second operand has 13 states, 12 states have (on average 34.583333333333336) internal successors, (415), 13 states have internal predecessors, (415), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-10 18:57:00,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:57:00,331 INFO L93 Difference]: Finished difference Result 572 states and 637 transitions. [2024-11-10 18:57:00,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 18:57:00,331 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 34.583333333333336) internal successors, (415), 13 states have internal predecessors, (415), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 213 [2024-11-10 18:57:00,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:57:00,333 INFO L225 Difference]: With dead ends: 572 [2024-11-10 18:57:00,333 INFO L226 Difference]: Without dead ends: 570 [2024-11-10 18:57:00,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2024-11-10 18:57:00,334 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 531 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 1227 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 1254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-10 18:57:00,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 617 Invalid, 1254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1227 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-10 18:57:00,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-11-10 18:57:00,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 542. [2024-11-10 18:57:00,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 433 states have (on average 1.28175519630485) internal successors, (555), 507 states have internal predecessors, (555), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-10 18:57:00,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 621 transitions. [2024-11-10 18:57:00,354 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 621 transitions. Word has length 213 [2024-11-10 18:57:00,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:57:00,354 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 621 transitions. [2024-11-10 18:57:00,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 34.583333333333336) internal successors, (415), 13 states have internal predecessors, (415), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-10 18:57:00,355 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 621 transitions. [2024-11-10 18:57:00,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-10 18:57:00,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:00,356 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-10 18:57:00,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-10 18:57:00,556 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,SelfDestructingSolverStorable32 [2024-11-10 18:57:00,556 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:57:00,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:00,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1211314462, now seen corresponding path program 1 times [2024-11-10 18:57:00,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:00,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679188648] [2024-11-10 18:57:00,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:00,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:00,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 18:57:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:00,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:57:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:00,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 18:57:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:00,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-10 18:57:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:00,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 18:57:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:00,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 18:57:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:00,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-10 18:57:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:00,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 18:57:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:00,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 18:57:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:00,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 18:57:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:00,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-10 18:57:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:00,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 18:57:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:00,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 18:57:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:00,785 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:57:00,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:00,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679188648] [2024-11-10 18:57:00,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679188648] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:57:00,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852702153] [2024-11-10 18:57:00,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:00,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:00,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:57:00,787 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:57:00,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-10 18:57:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:00,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:57:00,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:57:01,472 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:57:01,473 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:57:02,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852702153] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:57:02,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 18:57:02,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-10 18:57:02,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705296865] [2024-11-10 18:57:02,022 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 18:57:02,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 18:57:02,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:57:02,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 18:57:02,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-10 18:57:02,024 INFO L87 Difference]: Start difference. First operand 542 states and 621 transitions. Second operand has 11 states, 10 states have (on average 27.5) internal successors, (275), 11 states have internal predecessors, (275), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-10 18:57:06,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:57:06,638 INFO L93 Difference]: Finished difference Result 542 states and 621 transitions. [2024-11-10 18:57:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 18:57:06,639 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 27.5) internal successors, (275), 11 states have internal predecessors, (275), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 215 [2024-11-10 18:57:06,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:57:06,641 INFO L225 Difference]: With dead ends: 542 [2024-11-10 18:57:06,641 INFO L226 Difference]: Without dead ends: 530 [2024-11-10 18:57:06,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2024-11-10 18:57:06,641 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 383 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 1611 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 1651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-10 18:57:06,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 781 Invalid, 1651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1611 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-10 18:57:06,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-11-10 18:57:06,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 530. [2024-11-10 18:57:06,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 433 states have (on average 1.2471131639722863) internal successors, (540), 495 states have internal predecessors, (540), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-10 18:57:06,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 606 transitions. [2024-11-10 18:57:06,664 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 606 transitions. Word has length 215 [2024-11-10 18:57:06,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:57:06,665 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 606 transitions. [2024-11-10 18:57:06,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 27.5) internal successors, (275), 11 states have internal predecessors, (275), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-10 18:57:06,665 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 606 transitions. [2024-11-10 18:57:06,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-10 18:57:06,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:06,666 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-10 18:57:06,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-10 18:57:06,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:06,868 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:57:06,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:06,869 INFO L85 PathProgramCache]: Analyzing trace with hash -45872107, now seen corresponding path program 1 times [2024-11-10 18:57:06,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:06,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430632362] [2024-11-10 18:57:06,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:06,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:57:06,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2014113750] [2024-11-10 18:57:06,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:06,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:06,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:57:06,893 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:57:06,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-10 18:57:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:57:06,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 18:57:06,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:57:07,606 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:57:07,606 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:57:08,177 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 18:57:08,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:08,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430632362] [2024-11-10 18:57:08,177 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:57:08,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014113750] [2024-11-10 18:57:08,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014113750] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:57:08,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 18:57:08,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-10 18:57:08,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018465439] [2024-11-10 18:57:08,178 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 18:57:08,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 18:57:08,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:57:08,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 18:57:08,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:57:08,180 INFO L87 Difference]: Start difference. First operand 530 states and 606 transitions. Second operand has 16 states, 15 states have (on average 20.533333333333335) internal successors, (308), 16 states have internal predecessors, (308), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-11-10 18:57:09,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:57:14,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:57:14,386 INFO L93 Difference]: Finished difference Result 841 states and 1018 transitions. [2024-11-10 18:57:14,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 18:57:14,386 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 20.533333333333335) internal successors, (308), 16 states have internal predecessors, (308), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 218 [2024-11-10 18:57:14,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:57:14,391 INFO L225 Difference]: With dead ends: 841 [2024-11-10 18:57:14,392 INFO L226 Difference]: Without dead ends: 756 [2024-11-10 18:57:14,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 420 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2024-11-10 18:57:14,393 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 1514 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 2782 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1528 SdHoareTripleChecker+Valid, 1096 SdHoareTripleChecker+Invalid, 2924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 2782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:57:14,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1528 Valid, 1096 Invalid, 2924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 2782 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2024-11-10 18:57:14,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2024-11-10 18:57:14,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 553. [2024-11-10 18:57:14,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 455 states have (on average 1.2197802197802199) internal successors, (555), 516 states have internal predecessors, (555), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-10 18:57:14,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 625 transitions. [2024-11-10 18:57:14,423 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 625 transitions. Word has length 218 [2024-11-10 18:57:14,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:57:14,424 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 625 transitions. [2024-11-10 18:57:14,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 20.533333333333335) internal successors, (308), 16 states have internal predecessors, (308), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-11-10 18:57:14,424 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 625 transitions. [2024-11-10 18:57:14,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-11-10 18:57:14,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:14,426 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:57:14,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-10 18:57:14,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:14,626 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:57:14,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:14,627 INFO L85 PathProgramCache]: Analyzing trace with hash -75025503, now seen corresponding path program 2 times [2024-11-10 18:57:14,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:14,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868456022] [2024-11-10 18:57:14,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:14,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:57:14,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1893493126] [2024-11-10 18:57:14,666 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:57:14,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:14,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:57:14,672 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:57:14,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-10 18:57:14,764 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:57:14,765 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:57:14,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 18:57:14,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:57:15,435 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 18:57:15,435 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:57:16,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:16,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868456022] [2024-11-10 18:57:16,132 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:57:16,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893493126] [2024-11-10 18:57:16,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893493126] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:57:16,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:57:16,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 18:57:16,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953868330] [2024-11-10 18:57:16,132 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 18:57:16,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 18:57:16,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:57:16,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 18:57:16,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-10 18:57:16,133 INFO L87 Difference]: Start difference. First operand 553 states and 625 transitions. Second operand has 8 states, 7 states have (on average 26.142857142857142) internal successors, (183), 8 states have internal predecessors, (183), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-10 18:57:17,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:57:17,939 INFO L93 Difference]: Finished difference Result 553 states and 625 transitions. [2024-11-10 18:57:17,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 18:57:17,939 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.142857142857142) internal successors, (183), 8 states have internal predecessors, (183), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 260 [2024-11-10 18:57:17,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:57:17,941 INFO L225 Difference]: With dead ends: 553 [2024-11-10 18:57:17,941 INFO L226 Difference]: Without dead ends: 550 [2024-11-10 18:57:17,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=224, Unknown=0, NotChecked=0, Total=342 [2024-11-10 18:57:17,942 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 528 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 1010 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-10 18:57:17,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [528 Valid, 161 Invalid, 1047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1010 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-10 18:57:17,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-11-10 18:57:17,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 550. [2024-11-10 18:57:17,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 455 states have (on average 1.2065934065934065) internal successors, (549), 513 states have internal predecessors, (549), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-10 18:57:17,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 619 transitions. [2024-11-10 18:57:17,964 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 619 transitions. Word has length 260 [2024-11-10 18:57:17,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:57:17,964 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 619 transitions. [2024-11-10 18:57:17,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.142857142857142) internal successors, (183), 8 states have internal predecessors, (183), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-10 18:57:17,965 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 619 transitions. [2024-11-10 18:57:17,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-10 18:57:17,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:57:17,966 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:57:17,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-10 18:57:18,166 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,SelfDestructingSolverStorable35 [2024-11-10 18:57:18,166 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-10 18:57:18,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:57:18,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1969176833, now seen corresponding path program 2 times [2024-11-10 18:57:18,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:57:18,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395386146] [2024-11-10 18:57:18,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:57:18,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:57:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:57:18,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [279679963] [2024-11-10 18:57:18,190 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:57:18,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:57:18,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:57:18,192 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:57:18,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-10 18:57:18,265 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:57:18,266 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:57:18,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 18:57:18,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:57:18,991 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 18:57:18,991 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:57:19,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:57:19,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395386146] [2024-11-10 18:57:19,304 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:57:19,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279679963] [2024-11-10 18:57:19,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279679963] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:57:19,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:57:19,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 18:57:19,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338219531] [2024-11-10 18:57:19,304 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 18:57:19,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 18:57:19,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:57:19,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 18:57:19,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:57:19,305 INFO L87 Difference]: Start difference. First operand 550 states and 619 transitions. Second operand has 10 states, 9 states have (on average 20.444444444444443) internal successors, (184), 10 states have internal predecessors, (184), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16)