./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/hard2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/hard2.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 966f2b433cfe84d90040e5149c3cdda56fb59546e621a76bee869282a92c61d4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:32:58,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:32:58,793 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:32:58,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:32:58,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:32:58,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:32:58,823 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:32:58,823 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:32:58,824 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:32:58,824 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:32:58,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:32:58,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:32:58,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:32:58,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:32:58,825 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:32:58,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:32:58,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:32:58,826 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:32:58,826 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:32:58,827 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:32:58,827 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:32:58,827 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:32:58,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:32:58,828 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:32:58,828 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:32:58,828 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:32:58,828 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:32:58,829 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:32:58,829 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:32:58,829 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:32:58,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:32:58,830 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:32:58,830 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:32:58,830 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:32:58,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:32:58,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:32:58,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:32:58,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:32:58,831 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:32:58,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:32:58,832 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:32:58,832 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:32:58,832 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:32:58,832 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:32:58,832 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 966f2b433cfe84d90040e5149c3cdda56fb59546e621a76bee869282a92c61d4 [2024-10-11 20:32:59,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:32:59,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:32:59,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:32:59,027 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:32:59,027 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:32:59,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/hard2.c [2024-10-11 20:32:59,533 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:33:01,141 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:33:01,141 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/hard2.c [2024-10-11 20:33:01,147 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/8a3d9fa21/63f18bbde080490aacd2012728102f2d/FLAG5e8d19225 [2024-10-11 20:33:01,161 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/8a3d9fa21/63f18bbde080490aacd2012728102f2d [2024-10-11 20:33:01,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:33:01,164 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:33:01,165 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:33:01,165 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:33:01,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:33:01,170 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:33:01" (1/1) ... [2024-10-11 20:33:01,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c23ff6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:33:01, skipping insertion in model container [2024-10-11 20:33:01,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:33:01" (1/1) ... [2024-10-11 20:33:01,200 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:33:01,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:33:01,392 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:33:01,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:33:01,419 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:33:01,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:33:01 WrapperNode [2024-10-11 20:33:01,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:33:01,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:33:01,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:33:01,421 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:33:01,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:33:01" (1/1) ... [2024-10-11 20:33:01,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:33:01" (1/1) ... [2024-10-11 20:33:01,446 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2024-10-11 20:33:01,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:33:01,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:33:01,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:33:01,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:33:01,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:33:01" (1/1) ... [2024-10-11 20:33:01,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:33:01" (1/1) ... [2024-10-11 20:33:01,457 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:33:01" (1/1) ... [2024-10-11 20:33:01,467 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-10-11 20:33:01,467 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:33:01" (1/1) ... [2024-10-11 20:33:01,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:33:01" (1/1) ... [2024-10-11 20:33:01,470 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:33:01" (1/1) ... [2024-10-11 20:33:01,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:33:01" (1/1) ... [2024-10-11 20:33:01,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:33:01" (1/1) ... [2024-10-11 20:33:01,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:33:01" (1/1) ... [2024-10-11 20:33:01,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:33:01,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:33:01,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:33:01,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:33:01,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:33:01" (1/1) ... [2024-10-11 20:33:01,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:33:01,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:01,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 20:33:01,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 20:33:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:33:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:33:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 20:33:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:33:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:33:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 20:33:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 20:33:01,619 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:33:01,621 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:33:01,838 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-10-11 20:33:01,838 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:33:01,856 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:33:01,856 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 20:33:01,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:33:01 BoogieIcfgContainer [2024-10-11 20:33:01,857 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:33:01,858 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:33:01,858 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:33:01,861 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:33:01,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:33:01" (1/3) ... [2024-10-11 20:33:01,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c96ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:33:01, skipping insertion in model container [2024-10-11 20:33:01,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:33:01" (2/3) ... [2024-10-11 20:33:01,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c96ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:33:01, skipping insertion in model container [2024-10-11 20:33:01,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:33:01" (3/3) ... [2024-10-11 20:33:01,863 INFO L112 eAbstractionObserver]: Analyzing ICFG hard2.c [2024-10-11 20:33:01,874 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:33:01,874 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-10-11 20:33:01,916 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:33:01,921 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;@7ba7777c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:33:01,921 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-10-11 20:33:01,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 34 states have (on average 1.9411764705882353) internal successors, (66), 58 states have internal predecessors, (66), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 20:33:01,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-11 20:33:01,928 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:01,929 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-11 20:33:01,929 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:01,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:01,933 INFO L85 PathProgramCache]: Analyzing trace with hash 4771204, now seen corresponding path program 1 times [2024-10-11 20:33:01,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:01,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795665734] [2024-10-11 20:33:01,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:01,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:02,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:33:02,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:02,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795665734] [2024-10-11 20:33:02,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795665734] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:33:02,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:33:02,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:33:02,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577434894] [2024-10-11 20:33:02,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:33:02,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 20:33:02,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:02,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 20:33:02,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:33:02,066 INFO L87 Difference]: Start difference. First operand has 67 states, 34 states have (on average 1.9411764705882353) internal successors, (66), 58 states have internal predecessors, (66), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) 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) [2024-10-11 20:33:02,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:02,097 INFO L93 Difference]: Finished difference Result 133 states and 166 transitions. [2024-10-11 20:33:02,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 20:33:02,098 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 [2024-10-11 20:33:02,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:02,104 INFO L225 Difference]: With dead ends: 133 [2024-10-11 20:33:02,104 INFO L226 Difference]: Without dead ends: 63 [2024-10-11 20:33:02,106 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 [2024-10-11 20:33:02,109 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:02,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:33:02,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-10-11 20:33:02,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-10-11 20:33:02,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 33 states have (on average 1.7878787878787878) internal successors, (59), 56 states have internal predecessors, (59), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:33:02,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions. [2024-10-11 20:33:02,145 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 4 [2024-10-11 20:33:02,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:02,145 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions. [2024-10-11 20:33:02,145 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) [2024-10-11 20:33:02,145 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2024-10-11 20:33:02,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-11 20:33:02,146 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:02,147 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:33:02,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:33:02,148 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:02,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:02,148 INFO L85 PathProgramCache]: Analyzing trace with hash 308391230, now seen corresponding path program 1 times [2024-10-11 20:33:02,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:02,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374562882] [2024-10-11 20:33:02,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:02,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:33:02,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [464225064] [2024-10-11 20:33:02,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:02,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:02,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:02,180 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:02,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 20:33:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:02,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:33:02,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:02,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:33:02,314 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:33:02,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:02,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374562882] [2024-10-11 20:33:02,315 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:33:02,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464225064] [2024-10-11 20:33:02,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464225064] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:33:02,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:33:02,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:33:02,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347416335] [2024-10-11 20:33:02,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:33:02,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:33:02,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:02,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:33:02,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:33:02,320 INFO L87 Difference]: Start difference. First operand 63 states and 69 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:33:02,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:02,410 INFO L93 Difference]: Finished difference Result 135 states and 156 transitions. [2024-10-11 20:33:02,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:33:02,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2024-10-11 20:33:02,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:02,412 INFO L225 Difference]: With dead ends: 135 [2024-10-11 20:33:02,412 INFO L226 Difference]: Without dead ends: 86 [2024-10-11 20:33:02,428 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 [2024-10-11 20:33:02,430 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 16 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:02,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 91 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:33:02,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-10-11 20:33:02,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2024-10-11 20:33:02,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 49 states have (on average 1.6734693877551021) internal successors, (82), 72 states have internal predecessors, (82), 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) [2024-10-11 20:33:02,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 102 transitions. [2024-10-11 20:33:02,438 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 102 transitions. Word has length 13 [2024-10-11 20:33:02,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:02,439 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 102 transitions. [2024-10-11 20:33:02,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:33:02,440 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2024-10-11 20:33:02,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-11 20:33:02,440 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:02,440 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:33:02,453 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 20:33:02,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:02,645 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:02,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:02,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1559935661, now seen corresponding path program 1 times [2024-10-11 20:33:02,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:02,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378890649] [2024-10-11 20:33:02,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:02,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:02,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:33:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:02,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:33:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:02,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:33:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:02,726 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:33:02,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:02,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378890649] [2024-10-11 20:33:02,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378890649] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:33:02,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:33:02,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:33:02,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413371002] [2024-10-11 20:33:02,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:33:02,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:33:02,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:02,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:33:02,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:33:02,728 INFO L87 Difference]: Start difference. First operand 84 states and 102 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (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) [2024-10-11 20:33:02,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:02,777 INFO L93 Difference]: Finished difference Result 107 states and 132 transitions. [2024-10-11 20:33:02,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:33:02,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (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 21 [2024-10-11 20:33:02,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:02,778 INFO L225 Difference]: With dead ends: 107 [2024-10-11 20:33:02,778 INFO L226 Difference]: Without dead ends: 105 [2024-10-11 20:33:02,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:33:02,779 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 27 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:02,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 85 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:33:02,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-10-11 20:33:02,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 94. [2024-10-11 20:33:02,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 58 states have (on average 1.6551724137931034) internal successors, (96), 80 states have internal predecessors, (96), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 20:33:02,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 120 transitions. [2024-10-11 20:33:02,799 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 120 transitions. Word has length 21 [2024-10-11 20:33:02,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:02,799 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 120 transitions. [2024-10-11 20:33:02,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (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) [2024-10-11 20:33:02,800 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 120 transitions. [2024-10-11 20:33:02,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-11 20:33:02,800 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:02,800 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:33:02,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 20:33:02,802 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:02,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:02,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1113366556, now seen corresponding path program 1 times [2024-10-11 20:33:02,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:02,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228891192] [2024-10-11 20:33:02,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:02,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:33:02,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [810887987] [2024-10-11 20:33:02,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:02,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:02,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:02,819 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:02,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 20:33:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:02,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:33:02,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:02,874 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:33:02,874 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:33:02,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:02,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228891192] [2024-10-11 20:33:02,875 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:33:02,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810887987] [2024-10-11 20:33:02,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810887987] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:33:02,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:33:02,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:33:02,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057746274] [2024-10-11 20:33:02,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:33:02,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:33:02,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:02,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:33:02,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:33:02,877 INFO L87 Difference]: Start difference. First operand 94 states and 120 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (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) [2024-10-11 20:33:02,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:02,918 INFO L93 Difference]: Finished difference Result 129 states and 164 transitions. [2024-10-11 20:33:02,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:33:02,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (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 22 [2024-10-11 20:33:02,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:02,920 INFO L225 Difference]: With dead ends: 129 [2024-10-11 20:33:02,920 INFO L226 Difference]: Without dead ends: 125 [2024-10-11 20:33:02,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:33:02,921 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 38 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:02,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 84 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:33:02,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-10-11 20:33:02,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 111. [2024-10-11 20:33:02,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 73 states have (on average 1.6027397260273972) internal successors, (117), 95 states have internal predecessors, (117), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-11 20:33:02,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 145 transitions. [2024-10-11 20:33:02,930 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 145 transitions. Word has length 22 [2024-10-11 20:33:02,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:02,930 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 145 transitions. [2024-10-11 20:33:02,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (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) [2024-10-11 20:33:02,931 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 145 transitions. [2024-10-11 20:33:02,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-11 20:33:02,931 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:02,931 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:33:02,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 20:33:03,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:03,132 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:03,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:03,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1113365178, now seen corresponding path program 1 times [2024-10-11 20:33:03,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:03,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942240496] [2024-10-11 20:33:03,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:03,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:03,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:33:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:03,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:33:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:03,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:33:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:03,252 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:33:03,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:03,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942240496] [2024-10-11 20:33:03,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942240496] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:33:03,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:33:03,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:33:03,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377496326] [2024-10-11 20:33:03,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:33:03,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:33:03,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:03,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:33:03,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:33:03,258 INFO L87 Difference]: Start difference. First operand 111 states and 145 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (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) [2024-10-11 20:33:03,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:03,313 INFO L93 Difference]: Finished difference Result 118 states and 150 transitions. [2024-10-11 20:33:03,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:33:03,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (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 22 [2024-10-11 20:33:03,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:03,314 INFO L225 Difference]: With dead ends: 118 [2024-10-11 20:33:03,316 INFO L226 Difference]: Without dead ends: 117 [2024-10-11 20:33:03,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:33:03,317 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 14 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:03,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 103 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:33:03,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-10-11 20:33:03,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 111. [2024-10-11 20:33:03,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 73 states have (on average 1.5890410958904109) internal successors, (116), 95 states have internal predecessors, (116), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-11 20:33:03,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 144 transitions. [2024-10-11 20:33:03,338 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 144 transitions. Word has length 22 [2024-10-11 20:33:03,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:03,338 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 144 transitions. [2024-10-11 20:33:03,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (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) [2024-10-11 20:33:03,338 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 144 transitions. [2024-10-11 20:33:03,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-11 20:33:03,339 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:03,339 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:33:03,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 20:33:03,339 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:03,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:03,340 INFO L85 PathProgramCache]: Analyzing trace with hash -498401178, now seen corresponding path program 1 times [2024-10-11 20:33:03,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:03,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576965403] [2024-10-11 20:33:03,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:03,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:33:03,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [133967698] [2024-10-11 20:33:03,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:03,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:03,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:03,367 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:03,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 20:33:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:03,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:33:03,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:03,503 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:33:03,503 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:33:03,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:03,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576965403] [2024-10-11 20:33:03,504 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:33:03,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133967698] [2024-10-11 20:33:03,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [133967698] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:33:03,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:33:03,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:33:03,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867207500] [2024-10-11 20:33:03,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:33:03,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:33:03,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:03,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:33:03,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:33:03,507 INFO L87 Difference]: Start difference. First operand 111 states and 144 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (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) [2024-10-11 20:33:03,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:03,600 INFO L93 Difference]: Finished difference Result 123 states and 151 transitions. [2024-10-11 20:33:03,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:33:03,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (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 24 [2024-10-11 20:33:03,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:03,601 INFO L225 Difference]: With dead ends: 123 [2024-10-11 20:33:03,601 INFO L226 Difference]: Without dead ends: 121 [2024-10-11 20:33:03,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:33:03,603 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 32 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:03,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 75 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:33:03,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-10-11 20:33:03,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 112. [2024-10-11 20:33:03,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 74 states have (on average 1.5405405405405406) internal successors, (114), 96 states have internal predecessors, (114), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-11 20:33:03,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 142 transitions. [2024-10-11 20:33:03,620 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 142 transitions. Word has length 24 [2024-10-11 20:33:03,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:03,621 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 142 transitions. [2024-10-11 20:33:03,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (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) [2024-10-11 20:33:03,621 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 142 transitions. [2024-10-11 20:33:03,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-11 20:33:03,622 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:03,622 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:33:03,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 20:33:03,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:03,823 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:03,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:03,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1729432746, now seen corresponding path program 1 times [2024-10-11 20:33:03,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:03,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783017582] [2024-10-11 20:33:03,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:03,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:03,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:33:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:03,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:33:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:03,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:33:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:03,876 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:33:03,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:03,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783017582] [2024-10-11 20:33:03,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783017582] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:33:03,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:33:03,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:33:03,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831752454] [2024-10-11 20:33:03,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:33:03,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:33:03,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:03,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:33:03,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:33:03,878 INFO L87 Difference]: Start difference. First operand 112 states and 142 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-10-11 20:33:04,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:04,147 INFO L93 Difference]: Finished difference Result 123 states and 155 transitions. [2024-10-11 20:33:04,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:33:04,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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 25 [2024-10-11 20:33:04,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:04,148 INFO L225 Difference]: With dead ends: 123 [2024-10-11 20:33:04,148 INFO L226 Difference]: Without dead ends: 122 [2024-10-11 20:33:04,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:33:04,149 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 73 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:04,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 111 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:33:04,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-10-11 20:33:04,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 117. [2024-10-11 20:33:04,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 79 states have (on average 1.5063291139240507) internal successors, (119), 101 states have internal predecessors, (119), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-11 20:33:04,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 147 transitions. [2024-10-11 20:33:04,167 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 147 transitions. Word has length 25 [2024-10-11 20:33:04,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:04,167 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 147 transitions. [2024-10-11 20:33:04,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-10-11 20:33:04,168 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 147 transitions. [2024-10-11 20:33:04,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-11 20:33:04,168 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:04,168 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:33:04,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 20:33:04,169 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:04,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:04,170 INFO L85 PathProgramCache]: Analyzing trace with hash -2010685240, now seen corresponding path program 1 times [2024-10-11 20:33:04,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:04,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48313294] [2024-10-11 20:33:04,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:04,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:33:04,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [683090492] [2024-10-11 20:33:04,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:04,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:04,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:04,183 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:04,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 20:33:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:04,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:33:04,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:04,343 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:33:04,343 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:33:04,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:04,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48313294] [2024-10-11 20:33:04,344 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:33:04,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683090492] [2024-10-11 20:33:04,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683090492] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:33:04,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:33:04,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:33:04,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983940985] [2024-10-11 20:33:04,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:33:04,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:33:04,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:04,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:33:04,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:33:04,346 INFO L87 Difference]: Start difference. First operand 117 states and 147 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:33:04,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:04,432 INFO L93 Difference]: Finished difference Result 122 states and 151 transitions. [2024-10-11 20:33:04,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:33:04,433 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2024-10-11 20:33:04,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:04,434 INFO L225 Difference]: With dead ends: 122 [2024-10-11 20:33:04,434 INFO L226 Difference]: Without dead ends: 113 [2024-10-11 20:33:04,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:33:04,434 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 45 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:04,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 85 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:33:04,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-11 20:33:04,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-10-11 20:33:04,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 79 states have (on average 1.4050632911392404) internal successors, (111), 97 states have internal predecessors, (111), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-11 20:33:04,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 139 transitions. [2024-10-11 20:33:04,443 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 139 transitions. Word has length 36 [2024-10-11 20:33:04,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:04,443 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 139 transitions. [2024-10-11 20:33:04,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:33:04,444 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 139 transitions. [2024-10-11 20:33:04,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-11 20:33:04,444 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:04,444 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:33:04,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 20:33:04,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-11 20:33:04,645 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:04,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:04,646 INFO L85 PathProgramCache]: Analyzing trace with hash 2093267047, now seen corresponding path program 1 times [2024-10-11 20:33:04,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:04,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570286567] [2024-10-11 20:33:04,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:04,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:33:04,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [324552032] [2024-10-11 20:33:04,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:04,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:04,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:04,660 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:04,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 20:33:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:04,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:33:04,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:04,767 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:33:04,767 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:33:04,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:04,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570286567] [2024-10-11 20:33:04,989 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:33:04,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324552032] [2024-10-11 20:33:04,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324552032] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:04,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:33:04,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-10-11 20:33:04,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839443033] [2024-10-11 20:33:04,989 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:33:04,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:33:04,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:04,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:33:04,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:33:04,990 INFO L87 Difference]: Start difference. First operand 113 states and 139 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:33:05,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:05,111 INFO L93 Difference]: Finished difference Result 187 states and 242 transitions. [2024-10-11 20:33:05,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:33:05,111 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 37 [2024-10-11 20:33:05,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:05,112 INFO L225 Difference]: With dead ends: 187 [2024-10-11 20:33:05,112 INFO L226 Difference]: Without dead ends: 183 [2024-10-11 20:33:05,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:33:05,113 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 41 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:05,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 113 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:33:05,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-10-11 20:33:05,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 174. [2024-10-11 20:33:05,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 131 states have (on average 1.4045801526717556) internal successors, (184), 149 states have internal predecessors, (184), 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) [2024-10-11 20:33:05,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 230 transitions. [2024-10-11 20:33:05,123 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 230 transitions. Word has length 37 [2024-10-11 20:33:05,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:05,123 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 230 transitions. [2024-10-11 20:33:05,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:33:05,123 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 230 transitions. [2024-10-11 20:33:05,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-11 20:33:05,124 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:05,124 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] [2024-10-11 20:33:05,136 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 20:33:05,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:05,329 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:05,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:05,329 INFO L85 PathProgramCache]: Analyzing trace with hash 126305297, now seen corresponding path program 1 times [2024-10-11 20:33:05,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:05,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741555248] [2024-10-11 20:33:05,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:05,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:05,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:33:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:05,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:33:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:05,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:33:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:05,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:33:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:05,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:33:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:05,401 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:33:05,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:05,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741555248] [2024-10-11 20:33:05,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741555248] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:33:05,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:33:05,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:33:05,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134550046] [2024-10-11 20:33:05,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:33:05,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:33:05,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:05,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:33:05,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:33:05,403 INFO L87 Difference]: Start difference. First operand 174 states and 230 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:33:05,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:05,508 INFO L93 Difference]: Finished difference Result 179 states and 234 transitions. [2024-10-11 20:33:05,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:33:05,509 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2024-10-11 20:33:05,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:05,510 INFO L225 Difference]: With dead ends: 179 [2024-10-11 20:33:05,510 INFO L226 Difference]: Without dead ends: 164 [2024-10-11 20:33:05,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:33:05,510 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 31 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:05,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 165 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:33:05,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-10-11 20:33:05,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2024-10-11 20:33:05,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 123 states have (on average 1.4227642276422765) internal successors, (175), 141 states have internal predecessors, (175), 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) [2024-10-11 20:33:05,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 217 transitions. [2024-10-11 20:33:05,519 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 217 transitions. Word has length 42 [2024-10-11 20:33:05,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:05,520 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 217 transitions. [2024-10-11 20:33:05,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:33:05,520 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 217 transitions. [2024-10-11 20:33:05,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-11 20:33:05,523 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:05,523 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-11 20:33:05,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 20:33:05,523 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:05,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:05,524 INFO L85 PathProgramCache]: Analyzing trace with hash -13759236, now seen corresponding path program 1 times [2024-10-11 20:33:05,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:05,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447168895] [2024-10-11 20:33:05,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:05,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:05,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:33:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:05,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:33:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:05,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:33:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:05,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:33:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:05,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:33:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:05,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:33:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:05,582 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:33:05,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:05,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447168895] [2024-10-11 20:33:05,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447168895] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:05,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915888161] [2024-10-11 20:33:05,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:05,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:05,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:05,585 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:05,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 20:33:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:05,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:33:05,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:05,654 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:33:05,655 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:33:05,703 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:33:05,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915888161] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:33:05,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:33:05,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-11 20:33:05,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554757030] [2024-10-11 20:33:05,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:33:05,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:33:05,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:05,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:33:05,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:33:05,705 INFO L87 Difference]: Start difference. First operand 164 states and 217 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-10-11 20:33:05,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:05,825 INFO L93 Difference]: Finished difference Result 281 states and 368 transitions. [2024-10-11 20:33:05,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:33:05,826 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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 45 [2024-10-11 20:33:05,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:05,827 INFO L225 Difference]: With dead ends: 281 [2024-10-11 20:33:05,827 INFO L226 Difference]: Without dead ends: 279 [2024-10-11 20:33:05,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:33:05,828 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 132 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:05,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 165 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:33:05,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2024-10-11 20:33:05,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 234. [2024-10-11 20:33:05,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 181 states have (on average 1.419889502762431) internal successors, (257), 199 states have internal predecessors, (257), 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) [2024-10-11 20:33:05,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 323 transitions. [2024-10-11 20:33:05,846 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 323 transitions. Word has length 45 [2024-10-11 20:33:05,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:05,846 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 323 transitions. [2024-10-11 20:33:05,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-10-11 20:33:05,846 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 323 transitions. [2024-10-11 20:33:05,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-11 20:33:05,847 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:05,847 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2024-10-11 20:33:05,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 20:33:06,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 20:33:06,049 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:06,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:06,049 INFO L85 PathProgramCache]: Analyzing trace with hash 996863473, now seen corresponding path program 2 times [2024-10-11 20:33:06,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:06,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015042785] [2024-10-11 20:33:06,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:06,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:33:06,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1991257810] [2024-10-11 20:33:06,064 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:33:06,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:06,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:06,066 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:06,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 20:33:06,106 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:33:06,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:33:06,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:33:06,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:06,216 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:33:06,217 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:33:06,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:06,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015042785] [2024-10-11 20:33:06,481 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:33:06,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991257810] [2024-10-11 20:33:06,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991257810] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:06,481 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:33:06,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-11 20:33:06,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874340144] [2024-10-11 20:33:06,481 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:33:06,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:33:06,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:06,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:33:06,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:33:06,482 INFO L87 Difference]: Start difference. First operand 234 states and 323 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 20:33:06,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:06,582 INFO L93 Difference]: Finished difference Result 333 states and 462 transitions. [2024-10-11 20:33:06,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:33:06,582 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 60 [2024-10-11 20:33:06,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:06,584 INFO L225 Difference]: With dead ends: 333 [2024-10-11 20:33:06,584 INFO L226 Difference]: Without dead ends: 329 [2024-10-11 20:33:06,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:33:06,585 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 67 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:06,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 136 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:33:06,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-10-11 20:33:06,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 234. [2024-10-11 20:33:06,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 181 states have (on average 1.408839779005525) internal successors, (255), 199 states have internal predecessors, (255), 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) [2024-10-11 20:33:06,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 321 transitions. [2024-10-11 20:33:06,596 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 321 transitions. Word has length 60 [2024-10-11 20:33:06,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:06,597 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 321 transitions. [2024-10-11 20:33:06,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 20:33:06,597 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 321 transitions. [2024-10-11 20:33:06,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-11 20:33:06,597 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:06,598 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-10-11 20:33:06,611 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 20:33:06,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:06,798 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:06,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:06,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1195101173, now seen corresponding path program 1 times [2024-10-11 20:33:06,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:06,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069159276] [2024-10-11 20:33:06,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:06,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:06,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:33:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:06,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:33:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:06,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:33:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:06,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:33:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:06,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:33:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:06,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:33:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:06,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:33:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:06,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:33:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:06,843 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-11 20:33:06,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:06,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069159276] [2024-10-11 20:33:06,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069159276] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:33:06,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:33:06,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:33:06,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141581734] [2024-10-11 20:33:06,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:33:06,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:33:06,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:06,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:33:06,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:33:06,845 INFO L87 Difference]: Start difference. First operand 234 states and 321 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-10-11 20:33:06,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:06,898 INFO L93 Difference]: Finished difference Result 234 states and 321 transitions. [2024-10-11 20:33:06,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:33:06,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 67 [2024-10-11 20:33:06,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:06,900 INFO L225 Difference]: With dead ends: 234 [2024-10-11 20:33:06,900 INFO L226 Difference]: Without dead ends: 233 [2024-10-11 20:33:06,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:33:06,901 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 2 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:06,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 93 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:33:06,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-10-11 20:33:06,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2024-10-11 20:33:06,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 181 states have (on average 1.3922651933701657) internal successors, (252), 198 states have internal predecessors, (252), 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) [2024-10-11 20:33:06,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 318 transitions. [2024-10-11 20:33:06,911 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 318 transitions. Word has length 67 [2024-10-11 20:33:06,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:06,911 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 318 transitions. [2024-10-11 20:33:06,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-10-11 20:33:06,911 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 318 transitions. [2024-10-11 20:33:06,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-11 20:33:06,912 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:06,912 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-10-11 20:33:06,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 20:33:06,912 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:06,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:06,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1606569407, now seen corresponding path program 1 times [2024-10-11 20:33:06,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:06,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817322943] [2024-10-11 20:33:06,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:06,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:33:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:33:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:33:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:33:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:33:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:33:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:33:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:33:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,033 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:33:07,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:07,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817322943] [2024-10-11 20:33:07,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817322943] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:07,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921928498] [2024-10-11 20:33:07,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:07,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:07,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:07,037 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:07,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 20:33:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:33:07,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:07,172 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:33:07,173 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:33:07,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921928498] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:33:07,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:33:07,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-11 20:33:07,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364556700] [2024-10-11 20:33:07,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:33:07,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:33:07,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:07,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:33:07,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:33:07,174 INFO L87 Difference]: Start difference. First operand 233 states and 318 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-10-11 20:33:07,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:07,237 INFO L93 Difference]: Finished difference Result 345 states and 481 transitions. [2024-10-11 20:33:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:33:07,238 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), 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 68 [2024-10-11 20:33:07,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:07,239 INFO L225 Difference]: With dead ends: 345 [2024-10-11 20:33:07,239 INFO L226 Difference]: Without dead ends: 343 [2024-10-11 20:33:07,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:33:07,240 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 30 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:07,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 98 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:33:07,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-10-11 20:33:07,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 323. [2024-10-11 20:33:07,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 259 states have (on average 1.4054054054054055) internal successors, (364), 276 states have internal predecessors, (364), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-11 20:33:07,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 454 transitions. [2024-10-11 20:33:07,255 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 454 transitions. Word has length 68 [2024-10-11 20:33:07,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:07,255 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 454 transitions. [2024-10-11 20:33:07,255 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), 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) [2024-10-11 20:33:07,255 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 454 transitions. [2024-10-11 20:33:07,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-11 20:33:07,256 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:07,256 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:33:07,268 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 20:33:07,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 20:33:07,457 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:07,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:07,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1735955827, now seen corresponding path program 1 times [2024-10-11 20:33:07,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:07,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093886402] [2024-10-11 20:33:07,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:07,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:33:07,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:33:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:33:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:33:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:33:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:33:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:33:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:33:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,551 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:33:07,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:07,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093886402] [2024-10-11 20:33:07,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093886402] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:33:07,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:33:07,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:33:07,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855063955] [2024-10-11 20:33:07,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:33:07,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:33:07,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:07,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:33:07,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:33:07,553 INFO L87 Difference]: Start difference. First operand 323 states and 454 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2024-10-11 20:33:07,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:07,644 INFO L93 Difference]: Finished difference Result 339 states and 475 transitions. [2024-10-11 20:33:07,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:33:07,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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 69 [2024-10-11 20:33:07,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:07,646 INFO L225 Difference]: With dead ends: 339 [2024-10-11 20:33:07,646 INFO L226 Difference]: Without dead ends: 338 [2024-10-11 20:33:07,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:33:07,647 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 21 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:07,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 86 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:33:07,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-10-11 20:33:07,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 332. [2024-10-11 20:33:07,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 268 states have (on average 1.3917910447761195) internal successors, (373), 285 states have internal predecessors, (373), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-11 20:33:07,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 463 transitions. [2024-10-11 20:33:07,661 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 463 transitions. Word has length 69 [2024-10-11 20:33:07,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:07,661 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 463 transitions. [2024-10-11 20:33:07,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2024-10-11 20:33:07,661 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 463 transitions. [2024-10-11 20:33:07,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-11 20:33:07,662 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:07,662 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:33:07,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 20:33:07,662 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:07,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:07,662 INFO L85 PathProgramCache]: Analyzing trace with hash 2019944321, now seen corresponding path program 1 times [2024-10-11 20:33:07,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:07,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512679746] [2024-10-11 20:33:07,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:07,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:33:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:33:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:33:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:33:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:33:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:33:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:33:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:33:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,766 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:33:07,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:07,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512679746] [2024-10-11 20:33:07,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512679746] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:07,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086358084] [2024-10-11 20:33:07,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:07,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:07,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:07,769 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:07,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 20:33:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:07,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:33:07,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:07,895 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-11 20:33:07,896 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:33:07,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086358084] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:33:07,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:33:07,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-11 20:33:07,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105502845] [2024-10-11 20:33:07,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:33:07,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:33:07,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:07,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:33:07,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:33:07,897 INFO L87 Difference]: Start difference. First operand 332 states and 463 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, (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) [2024-10-11 20:33:07,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:07,993 INFO L93 Difference]: Finished difference Result 342 states and 470 transitions. [2024-10-11 20:33:07,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:33:07,993 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, (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 70 [2024-10-11 20:33:07,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:07,994 INFO L225 Difference]: With dead ends: 342 [2024-10-11 20:33:07,995 INFO L226 Difference]: Without dead ends: 340 [2024-10-11 20:33:07,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:33:07,995 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 36 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:07,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 68 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:33:07,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-10-11 20:33:08,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 335. [2024-10-11 20:33:08,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 271 states have (on average 1.3616236162361623) internal successors, (369), 288 states have internal predecessors, (369), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-11 20:33:08,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 459 transitions. [2024-10-11 20:33:08,010 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 459 transitions. Word has length 70 [2024-10-11 20:33:08,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:08,010 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 459 transitions. [2024-10-11 20:33:08,010 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, (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) [2024-10-11 20:33:08,010 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 459 transitions. [2024-10-11 20:33:08,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-11 20:33:08,011 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:08,011 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:33:08,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 20:33:08,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:08,212 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:08,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:08,212 INFO L85 PathProgramCache]: Analyzing trace with hash -158723005, now seen corresponding path program 1 times [2024-10-11 20:33:08,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:08,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86256065] [2024-10-11 20:33:08,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:08,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:33:08,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1797474703] [2024-10-11 20:33:08,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:08,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:08,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:08,226 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:08,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 20:33:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:08,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:33:08,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:08,424 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-11 20:33:08,424 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:33:08,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:08,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86256065] [2024-10-11 20:33:08,780 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:33:08,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797474703] [2024-10-11 20:33:08,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1797474703] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:08,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:33:08,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-11 20:33:08,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291102993] [2024-10-11 20:33:08,781 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:33:08,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:33:08,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:08,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:33:08,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:33:08,782 INFO L87 Difference]: Start difference. First operand 335 states and 459 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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) [2024-10-11 20:33:08,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:08,910 INFO L93 Difference]: Finished difference Result 420 states and 589 transitions. [2024-10-11 20:33:08,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:33:08,910 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 72 [2024-10-11 20:33:08,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:08,911 INFO L225 Difference]: With dead ends: 420 [2024-10-11 20:33:08,912 INFO L226 Difference]: Without dead ends: 419 [2024-10-11 20:33:08,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:33:08,912 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 59 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:08,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 110 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:33:08,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-10-11 20:33:08,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 395. [2024-10-11 20:33:08,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 325 states have (on average 1.3815384615384616) internal successors, (449), 342 states have internal predecessors, (449), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-11 20:33:08,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 551 transitions. [2024-10-11 20:33:08,932 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 551 transitions. Word has length 72 [2024-10-11 20:33:08,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:08,932 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 551 transitions. [2024-10-11 20:33:08,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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) [2024-10-11 20:33:08,933 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 551 transitions. [2024-10-11 20:33:08,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-11 20:33:08,933 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:08,933 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:33:08,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-11 20:33:09,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-11 20:33:09,134 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:09,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:09,134 INFO L85 PathProgramCache]: Analyzing trace with hash -625445783, now seen corresponding path program 1 times [2024-10-11 20:33:09,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:09,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356237794] [2024-10-11 20:33:09,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:09,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:33:09,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1112332300] [2024-10-11 20:33:09,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:09,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:09,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:09,146 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:09,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 20:33:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:09,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:33:09,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:09,355 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-11 20:33:09,355 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:33:10,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:10,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356237794] [2024-10-11 20:33:10,032 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:33:10,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112332300] [2024-10-11 20:33:10,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112332300] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:10,032 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:33:10,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-11 20:33:10,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588486761] [2024-10-11 20:33:10,032 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:33:10,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:33:10,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:10,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:33:10,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:33:10,033 INFO L87 Difference]: Start difference. First operand 395 states and 551 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 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) [2024-10-11 20:33:10,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:10,127 INFO L93 Difference]: Finished difference Result 400 states and 552 transitions. [2024-10-11 20:33:10,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:33:10,127 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 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 73 [2024-10-11 20:33:10,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:10,129 INFO L225 Difference]: With dead ends: 400 [2024-10-11 20:33:10,129 INFO L226 Difference]: Without dead ends: 397 [2024-10-11 20:33:10,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:33:10,130 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 62 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:10,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 63 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:33:10,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-10-11 20:33:10,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 393. [2024-10-11 20:33:10,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 325 states have (on average 1.3107692307692307) internal successors, (426), 340 states have internal predecessors, (426), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-11 20:33:10,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 528 transitions. [2024-10-11 20:33:10,147 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 528 transitions. Word has length 73 [2024-10-11 20:33:10,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:10,148 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 528 transitions. [2024-10-11 20:33:10,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 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) [2024-10-11 20:33:10,148 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 528 transitions. [2024-10-11 20:33:10,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-11 20:33:10,148 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:10,149 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-10-11 20:33:10,162 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-11 20:33:10,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-11 20:33:10,353 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:10,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:10,353 INFO L85 PathProgramCache]: Analyzing trace with hash 2086017285, now seen corresponding path program 1 times [2024-10-11 20:33:10,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:10,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618520664] [2024-10-11 20:33:10,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:10,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:10,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:33:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:10,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:33:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:10,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:33:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:10,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:33:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:10,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:33:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:10,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:33:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:10,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:33:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:10,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:33:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:10,423 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-11 20:33:10,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:10,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618520664] [2024-10-11 20:33:10,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618520664] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:33:10,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:33:10,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:33:10,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500882906] [2024-10-11 20:33:10,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:33:10,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:33:10,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:10,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:33:10,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:33:10,426 INFO L87 Difference]: Start difference. First operand 393 states and 528 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-10-11 20:33:10,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:10,735 INFO L93 Difference]: Finished difference Result 396 states and 529 transitions. [2024-10-11 20:33:10,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:33:10,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 74 [2024-10-11 20:33:10,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:10,737 INFO L225 Difference]: With dead ends: 396 [2024-10-11 20:33:10,737 INFO L226 Difference]: Without dead ends: 395 [2024-10-11 20:33:10,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:33:10,737 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 61 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:10,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 112 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:33:10,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-10-11 20:33:10,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 392. [2024-10-11 20:33:10,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 325 states have (on average 1.2646153846153847) internal successors, (411), 339 states have internal predecessors, (411), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-11 20:33:10,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 513 transitions. [2024-10-11 20:33:10,764 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 513 transitions. Word has length 74 [2024-10-11 20:33:10,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:10,764 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 513 transitions. [2024-10-11 20:33:10,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-10-11 20:33:10,764 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 513 transitions. [2024-10-11 20:33:10,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-11 20:33:10,765 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:10,765 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-10-11 20:33:10,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 20:33:10,765 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:10,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:10,766 INFO L85 PathProgramCache]: Analyzing trace with hash 242026475, now seen corresponding path program 1 times [2024-10-11 20:33:10,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:10,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627283496] [2024-10-11 20:33:10,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:10,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:10,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:33:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:10,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:33:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:10,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:33:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:10,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:33:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:10,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:33:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:10,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:33:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:10,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:33:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:10,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:33:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:10,915 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:33:10,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:10,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627283496] [2024-10-11 20:33:10,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627283496] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:10,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580635073] [2024-10-11 20:33:10,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:10,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:10,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:10,922 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:10,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 20:33:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:10,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-11 20:33:10,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:11,238 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:33:11,238 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:33:11,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580635073] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:11,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:33:11,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-10-11 20:33:11,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765286300] [2024-10-11 20:33:11,867 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:33:11,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 20:33:11,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:11,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 20:33:11,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2024-10-11 20:33:11,868 INFO L87 Difference]: Start difference. First operand 392 states and 513 transitions. Second operand has 16 states, 15 states have (on average 4.866666666666666) internal successors, (73), 16 states have internal predecessors, (73), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-10-11 20:33:12,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:12,806 INFO L93 Difference]: Finished difference Result 665 states and 887 transitions. [2024-10-11 20:33:12,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-11 20:33:12,806 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.866666666666666) internal successors, (73), 16 states have internal predecessors, (73), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 75 [2024-10-11 20:33:12,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:12,808 INFO L225 Difference]: With dead ends: 665 [2024-10-11 20:33:12,809 INFO L226 Difference]: Without dead ends: 658 [2024-10-11 20:33:12,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=288, Invalid=1044, Unknown=0, NotChecked=0, Total=1332 [2024-10-11 20:33:12,810 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 469 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:12,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 258 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:33:12,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-10-11 20:33:12,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 525. [2024-10-11 20:33:12,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 442 states have (on average 1.253393665158371) internal successors, (554), 456 states have internal predecessors, (554), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-10-11 20:33:12,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 688 transitions. [2024-10-11 20:33:12,848 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 688 transitions. Word has length 75 [2024-10-11 20:33:12,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:12,848 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 688 transitions. [2024-10-11 20:33:12,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.866666666666666) internal successors, (73), 16 states have internal predecessors, (73), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-10-11 20:33:12,849 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 688 transitions. [2024-10-11 20:33:12,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-11 20:33:12,849 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:12,849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:33:12,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-11 20:33:13,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:13,050 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:13,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:13,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1701788298, now seen corresponding path program 1 times [2024-10-11 20:33:13,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:13,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812438706] [2024-10-11 20:33:13,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:13,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:33:13,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [323108946] [2024-10-11 20:33:13,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:13,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:13,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:13,075 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:13,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 20:33:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:13,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-11 20:33:13,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:13,361 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-10-11 20:33:13,361 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:33:13,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:13,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812438706] [2024-10-11 20:33:13,748 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:33:13,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323108946] [2024-10-11 20:33:13,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323108946] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:13,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:33:13,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-11 20:33:13,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279338518] [2024-10-11 20:33:13,748 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:33:13,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:33:13,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:13,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:33:13,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:33:13,750 INFO L87 Difference]: Start difference. First operand 525 states and 688 transitions. Second operand has 11 states, 10 states have (on average 4.5) internal successors, (45), 11 states have internal predecessors, (45), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:33:14,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:14,037 INFO L93 Difference]: Finished difference Result 552 states and 710 transitions. [2024-10-11 20:33:14,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:33:14,038 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.5) internal successors, (45), 11 states have internal predecessors, (45), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 89 [2024-10-11 20:33:14,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:14,040 INFO L225 Difference]: With dead ends: 552 [2024-10-11 20:33:14,040 INFO L226 Difference]: Without dead ends: 427 [2024-10-11 20:33:14,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:33:14,041 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 18 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:14,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 155 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:33:14,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-10-11 20:33:14,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 422. [2024-10-11 20:33:14,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 351 states have (on average 1.245014245014245) internal successors, (437), 365 states have internal predecessors, (437), 55 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 20:33:14,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 547 transitions. [2024-10-11 20:33:14,063 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 547 transitions. Word has length 89 [2024-10-11 20:33:14,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:14,063 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 547 transitions. [2024-10-11 20:33:14,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.5) internal successors, (45), 11 states have internal predecessors, (45), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:33:14,063 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 547 transitions. [2024-10-11 20:33:14,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-11 20:33:14,064 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:14,064 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:33:14,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-11 20:33:14,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:14,269 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:14,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:14,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1215829806, now seen corresponding path program 1 times [2024-10-11 20:33:14,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:14,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184549996] [2024-10-11 20:33:14,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:14,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:33:14,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [334604066] [2024-10-11 20:33:14,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:14,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:14,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:14,285 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:14,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 20:33:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:14,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-11 20:33:14,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:14,724 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-10-11 20:33:14,724 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:33:15,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:15,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184549996] [2024-10-11 20:33:15,704 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:33:15,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334604066] [2024-10-11 20:33:15,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334604066] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:15,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:33:15,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-11 20:33:15,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113413864] [2024-10-11 20:33:15,705 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:33:15,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:33:15,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:15,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:33:15,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-10-11 20:33:15,706 INFO L87 Difference]: Start difference. First operand 422 states and 547 transitions. Second operand has 13 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 13 states have internal predecessors, (46), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-11 20:33:16,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:16,014 INFO L93 Difference]: Finished difference Result 428 states and 554 transitions. [2024-10-11 20:33:16,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:33:16,015 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 13 states have internal predecessors, (46), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 90 [2024-10-11 20:33:16,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:16,017 INFO L225 Difference]: With dead ends: 428 [2024-10-11 20:33:16,017 INFO L226 Difference]: Without dead ends: 427 [2024-10-11 20:33:16,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2024-10-11 20:33:16,017 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 12 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:16,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 151 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:33:16,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-10-11 20:33:16,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 423. [2024-10-11 20:33:16,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 352 states have (on average 1.2443181818181819) internal successors, (438), 366 states have internal predecessors, (438), 55 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 20:33:16,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 548 transitions. [2024-10-11 20:33:16,038 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 548 transitions. Word has length 90 [2024-10-11 20:33:16,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:16,038 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 548 transitions. [2024-10-11 20:33:16,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 13 states have internal predecessors, (46), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-11 20:33:16,039 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 548 transitions. [2024-10-11 20:33:16,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-11 20:33:16,040 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:16,040 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:33:16,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-11 20:33:16,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-11 20:33:16,243 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:16,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:16,244 INFO L85 PathProgramCache]: Analyzing trace with hash -963981556, now seen corresponding path program 1 times [2024-10-11 20:33:16,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:16,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291928367] [2024-10-11 20:33:16,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:16,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:33:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:33:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:33:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:33:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:33:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:33:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:33:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:33:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 20:33:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 20:33:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,368 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-10-11 20:33:16,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:16,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291928367] [2024-10-11 20:33:16,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291928367] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:33:16,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:33:16,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:33:16,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240918450] [2024-10-11 20:33:16,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:33:16,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:33:16,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:16,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:33:16,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:33:16,371 INFO L87 Difference]: Start difference. First operand 423 states and 548 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 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) [2024-10-11 20:33:16,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:16,691 INFO L93 Difference]: Finished difference Result 426 states and 549 transitions. [2024-10-11 20:33:16,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:33:16,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 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 91 [2024-10-11 20:33:16,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:16,693 INFO L225 Difference]: With dead ends: 426 [2024-10-11 20:33:16,693 INFO L226 Difference]: Without dead ends: 425 [2024-10-11 20:33:16,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:33:16,694 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 28 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:16,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 173 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:33:16,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-10-11 20:33:16,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 419. [2024-10-11 20:33:16,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 349 states have (on average 1.2435530085959885) internal successors, (434), 362 states have internal predecessors, (434), 55 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 20:33:16,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 544 transitions. [2024-10-11 20:33:16,718 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 544 transitions. Word has length 91 [2024-10-11 20:33:16,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:16,718 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 544 transitions. [2024-10-11 20:33:16,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 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) [2024-10-11 20:33:16,718 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 544 transitions. [2024-10-11 20:33:16,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-11 20:33:16,719 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:16,719 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1] [2024-10-11 20:33:16,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-11 20:33:16,719 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:16,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:16,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1680030238, now seen corresponding path program 1 times [2024-10-11 20:33:16,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:16,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805588690] [2024-10-11 20:33:16,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:16,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:33:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:33:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:33:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:33:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:33:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:33:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:33:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:33:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 20:33:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:33:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 20:33:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 20:33:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,790 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-11 20:33:16,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:16,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805588690] [2024-10-11 20:33:16,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805588690] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:16,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918452719] [2024-10-11 20:33:16,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:16,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:16,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:16,796 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:16,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-11 20:33:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:16,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:33:16,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:16,882 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-11 20:33:16,882 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:33:16,973 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-11 20:33:16,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918452719] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:33:16,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:33:16,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-10-11 20:33:16,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687722648] [2024-10-11 20:33:16,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:33:16,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:33:16,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:16,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:33:16,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:33:16,976 INFO L87 Difference]: Start difference. First operand 419 states and 544 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 8 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2024-10-11 20:33:17,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:17,191 INFO L93 Difference]: Finished difference Result 825 states and 1073 transitions. [2024-10-11 20:33:17,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:33:17,192 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 8 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) Word has length 93 [2024-10-11 20:33:17,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:17,195 INFO L225 Difference]: With dead ends: 825 [2024-10-11 20:33:17,195 INFO L226 Difference]: Without dead ends: 823 [2024-10-11 20:33:17,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:33:17,196 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 321 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:17,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 265 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:33:17,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2024-10-11 20:33:17,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 569. [2024-10-11 20:33:17,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 475 states have (on average 1.2505263157894737) internal successors, (594), 488 states have internal predecessors, (594), 79 states have call successors, (79), 1 states have call predecessors, (79), 1 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-10-11 20:33:17,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 752 transitions. [2024-10-11 20:33:17,230 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 752 transitions. Word has length 93 [2024-10-11 20:33:17,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:17,230 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 752 transitions. [2024-10-11 20:33:17,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 8 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2024-10-11 20:33:17,231 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 752 transitions. [2024-10-11 20:33:17,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-11 20:33:17,231 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:17,231 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:33:17,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-11 20:33:17,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-11 20:33:17,432 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:17,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:17,433 INFO L85 PathProgramCache]: Analyzing trace with hash 181342960, now seen corresponding path program 1 times [2024-10-11 20:33:17,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:17,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436627858] [2024-10-11 20:33:17,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:17,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:17,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:33:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:17,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:33:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:17,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:33:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:17,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:33:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:17,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:33:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:17,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:33:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:17,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:33:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:17,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:33:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:17,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 20:33:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:17,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 20:33:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:17,581 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-11 20:33:17,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:17,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436627858] [2024-10-11 20:33:17,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436627858] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:17,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828847111] [2024-10-11 20:33:17,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:17,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:17,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:17,586 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:17,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-11 20:33:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:17,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 20:33:17,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:17,796 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-11 20:33:17,796 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:33:17,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828847111] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:17,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:33:17,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2024-10-11 20:33:17,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330285469] [2024-10-11 20:33:17,914 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:33:17,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 20:33:17,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:17,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 20:33:17,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:33:17,915 INFO L87 Difference]: Start difference. First operand 569 states and 752 transitions. Second operand has 15 states, 14 states have (on average 6.214285714285714) internal successors, (87), 15 states have internal predecessors, (87), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) [2024-10-11 20:33:18,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:18,222 INFO L93 Difference]: Finished difference Result 637 states and 860 transitions. [2024-10-11 20:33:18,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:33:18,222 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.214285714285714) internal successors, (87), 15 states have internal predecessors, (87), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) Word has length 92 [2024-10-11 20:33:18,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:18,224 INFO L225 Difference]: With dead ends: 637 [2024-10-11 20:33:18,224 INFO L226 Difference]: Without dead ends: 603 [2024-10-11 20:33:18,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2024-10-11 20:33:18,225 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 49 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:18,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 403 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:33:18,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-10-11 20:33:18,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 540. [2024-10-11 20:33:18,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 450 states have (on average 1.2622222222222221) internal successors, (568), 463 states have internal predecessors, (568), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-10-11 20:33:18,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 718 transitions. [2024-10-11 20:33:18,253 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 718 transitions. Word has length 92 [2024-10-11 20:33:18,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:18,254 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 718 transitions. [2024-10-11 20:33:18,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.214285714285714) internal successors, (87), 15 states have internal predecessors, (87), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) [2024-10-11 20:33:18,254 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 718 transitions. [2024-10-11 20:33:18,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-11 20:33:18,254 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:18,255 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-11 20:33:18,268 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-11 20:33:18,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-11 20:33:18,455 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:18,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:18,456 INFO L85 PathProgramCache]: Analyzing trace with hash 776521205, now seen corresponding path program 2 times [2024-10-11 20:33:18,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:18,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925751752] [2024-10-11 20:33:18,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:18,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:33:18,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [389247373] [2024-10-11 20:33:18,467 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:33:18,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:18,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:18,472 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:18,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-11 20:33:18,516 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:33:18,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:33:18,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-11 20:33:18,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:18,984 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-11 20:33:18,984 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:33:19,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:19,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925751752] [2024-10-11 20:33:19,831 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:33:19,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389247373] [2024-10-11 20:33:19,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389247373] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:19,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:33:19,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:33:19,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284231704] [2024-10-11 20:33:19,831 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:33:19,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:33:19,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:19,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:33:19,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:33:19,836 INFO L87 Difference]: Start difference. First operand 540 states and 718 transitions. Second operand has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-10-11 20:33:20,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:20,239 INFO L93 Difference]: Finished difference Result 564 states and 748 transitions. [2024-10-11 20:33:20,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:33:20,240 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 98 [2024-10-11 20:33:20,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:20,246 INFO L225 Difference]: With dead ends: 564 [2024-10-11 20:33:20,246 INFO L226 Difference]: Without dead ends: 563 [2024-10-11 20:33:20,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2024-10-11 20:33:20,246 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 29 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:20,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 250 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:33:20,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-10-11 20:33:20,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 540. [2024-10-11 20:33:20,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 450 states have (on average 1.26) internal successors, (567), 463 states have internal predecessors, (567), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-10-11 20:33:20,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 717 transitions. [2024-10-11 20:33:20,273 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 717 transitions. Word has length 98 [2024-10-11 20:33:20,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:20,273 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 717 transitions. [2024-10-11 20:33:20,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-10-11 20:33:20,273 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 717 transitions. [2024-10-11 20:33:20,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-11 20:33:20,274 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:20,274 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:33:20,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-11 20:33:20,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,18 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:20,479 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:20,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:20,480 INFO L85 PathProgramCache]: Analyzing trace with hash 2100597036, now seen corresponding path program 1 times [2024-10-11 20:33:20,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:20,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482403343] [2024-10-11 20:33:20,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:20,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:20,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:33:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:20,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:33:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:20,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:33:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:20,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:33:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:20,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:33:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:20,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:33:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:20,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:33:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:20,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:33:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:20,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 20:33:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:20,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:33:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:20,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:33:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:20,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 20:33:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:20,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 20:33:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:20,583 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:33:20,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:20,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482403343] [2024-10-11 20:33:20,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482403343] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:20,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409370637] [2024-10-11 20:33:20,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:20,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:20,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:20,586 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:20,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-11 20:33:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:20,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:33:20,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:20,757 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-10-11 20:33:20,757 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:33:20,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409370637] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:33:20,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:33:20,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-10-11 20:33:20,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310069484] [2024-10-11 20:33:20,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:33:20,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:33:20,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:20,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:33:20,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:33:20,758 INFO L87 Difference]: Start difference. First operand 540 states and 717 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-10-11 20:33:20,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:20,835 INFO L93 Difference]: Finished difference Result 545 states and 719 transitions. [2024-10-11 20:33:20,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:33:20,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 111 [2024-10-11 20:33:20,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:20,837 INFO L225 Difference]: With dead ends: 545 [2024-10-11 20:33:20,837 INFO L226 Difference]: Without dead ends: 540 [2024-10-11 20:33:20,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 137 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:33:20,838 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 7 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:20,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 70 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:33:20,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-10-11 20:33:20,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 538. [2024-10-11 20:33:20,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 448 states have (on average 1.2433035714285714) internal successors, (557), 461 states have internal predecessors, (557), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-10-11 20:33:20,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 707 transitions. [2024-10-11 20:33:20,864 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 707 transitions. Word has length 111 [2024-10-11 20:33:20,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:20,865 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 707 transitions. [2024-10-11 20:33:20,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-10-11 20:33:20,865 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 707 transitions. [2024-10-11 20:33:20,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-11 20:33:20,865 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:20,866 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:33:20,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-11 20:33:21,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-11 20:33:21,067 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:21,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:21,067 INFO L85 PathProgramCache]: Analyzing trace with hash -2055692524, now seen corresponding path program 2 times [2024-10-11 20:33:21,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:21,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683957342] [2024-10-11 20:33:21,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:21,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:33:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:33:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:33:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:33:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:33:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:33:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:33:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:33:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 20:33:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:33:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:33:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 20:33:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 20:33:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,159 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:33:21,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:21,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683957342] [2024-10-11 20:33:21,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683957342] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:21,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540717110] [2024-10-11 20:33:21,160 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:33:21,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:21,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:21,161 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:21,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-11 20:33:21,211 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:33:21,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:33:21,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:33:21,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:21,277 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:33:21,277 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:33:21,393 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:33:21,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540717110] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:33:21,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:33:21,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-10-11 20:33:21,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532000313] [2024-10-11 20:33:21,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:33:21,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:33:21,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:21,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:33:21,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:33:21,395 INFO L87 Difference]: Start difference. First operand 538 states and 707 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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) [2024-10-11 20:33:21,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:21,470 INFO L93 Difference]: Finished difference Result 547 states and 713 transitions. [2024-10-11 20:33:21,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:33:21,470 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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 112 [2024-10-11 20:33:21,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:21,472 INFO L225 Difference]: With dead ends: 547 [2024-10-11 20:33:21,472 INFO L226 Difference]: Without dead ends: 540 [2024-10-11 20:33:21,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 246 SyntacticMatches, 5 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:33:21,473 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 40 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:21,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 123 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:33:21,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-10-11 20:33:21,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 538. [2024-10-11 20:33:21,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 448 states have (on average 1.234375) internal successors, (553), 461 states have internal predecessors, (553), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-10-11 20:33:21,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 703 transitions. [2024-10-11 20:33:21,499 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 703 transitions. Word has length 112 [2024-10-11 20:33:21,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:21,500 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 703 transitions. [2024-10-11 20:33:21,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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) [2024-10-11 20:33:21,500 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 703 transitions. [2024-10-11 20:33:21,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-11 20:33:21,500 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:21,501 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1] [2024-10-11 20:33:21,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-11 20:33:21,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:21,701 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:21,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:21,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1724586950, now seen corresponding path program 2 times [2024-10-11 20:33:21,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:21,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043299712] [2024-10-11 20:33:21,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:21,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:33:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:33:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:33:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:33:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:33:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:33:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:33:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:33:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 20:33:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:33:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 20:33:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 20:33:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 20:33:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 20:33:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 20:33:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:21,779 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-11 20:33:21,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:21,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043299712] [2024-10-11 20:33:21,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043299712] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:21,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419766707] [2024-10-11 20:33:21,779 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:33:21,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:21,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:21,781 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:21,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-11 20:33:21,825 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:33:21,825 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:33:21,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:33:21,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:21,872 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-11 20:33:21,872 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:33:21,984 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-11 20:33:21,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419766707] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:33:21,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:33:21,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-11 20:33:21,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000830814] [2024-10-11 20:33:21,984 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:33:21,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:33:21,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:21,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:33:21,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:33:21,986 INFO L87 Difference]: Start difference. First operand 538 states and 703 transitions. Second operand has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 12 states have internal predecessors, (81), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-10-11 20:33:22,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:22,273 INFO L93 Difference]: Finished difference Result 1225 states and 1607 transitions. [2024-10-11 20:33:22,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:33:22,273 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 12 states have internal predecessors, (81), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 114 [2024-10-11 20:33:22,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:22,277 INFO L225 Difference]: With dead ends: 1225 [2024-10-11 20:33:22,277 INFO L226 Difference]: Without dead ends: 1223 [2024-10-11 20:33:22,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:33:22,278 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 572 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:22,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [592 Valid, 320 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:33:22,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2024-10-11 20:33:22,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 558. [2024-10-11 20:33:22,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 462 states have (on average 1.2207792207792207) internal successors, (564), 475 states have internal predecessors, (564), 81 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-11 20:33:22,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 726 transitions. [2024-10-11 20:33:22,329 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 726 transitions. Word has length 114 [2024-10-11 20:33:22,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:22,329 INFO L471 AbstractCegarLoop]: Abstraction has 558 states and 726 transitions. [2024-10-11 20:33:22,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 12 states have internal predecessors, (81), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-10-11 20:33:22,329 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 726 transitions. [2024-10-11 20:33:22,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-11 20:33:22,330 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:22,330 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1, 1, 1] [2024-10-11 20:33:22,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-11 20:33:22,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-11 20:33:22,531 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:22,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:22,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1048765638, now seen corresponding path program 1 times [2024-10-11 20:33:22,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:22,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933669376] [2024-10-11 20:33:22,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:22,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:22,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:33:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:22,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:33:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:22,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:33:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:22,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:33:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:22,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:33:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:22,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:33:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:22,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:33:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:22,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:33:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:22,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 20:33:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:22,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:33:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:22,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:33:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:22,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 20:33:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:22,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 20:33:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:22,655 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:33:22,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:22,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933669376] [2024-10-11 20:33:22,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933669376] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:22,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564129202] [2024-10-11 20:33:22,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:22,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:22,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:22,660 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:22,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-11 20:33:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:22,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:33:22,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:22,948 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 22 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:33:22,948 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:33:23,216 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 25 proven. 15 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:33:23,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564129202] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:33:23,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:33:23,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 19 [2024-10-11 20:33:23,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934584751] [2024-10-11 20:33:23,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:33:23,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-11 20:33:23,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:23,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-11 20:33:23,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2024-10-11 20:33:23,218 INFO L87 Difference]: Start difference. First operand 558 states and 726 transitions. Second operand has 20 states, 19 states have (on average 7.894736842105263) internal successors, (150), 20 states have internal predecessors, (150), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-10-11 20:33:23,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:23,655 INFO L93 Difference]: Finished difference Result 726 states and 953 transitions. [2024-10-11 20:33:23,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-11 20:33:23,655 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.894736842105263) internal successors, (150), 20 states have internal predecessors, (150), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 114 [2024-10-11 20:33:23,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:23,657 INFO L225 Difference]: With dead ends: 726 [2024-10-11 20:33:23,657 INFO L226 Difference]: Without dead ends: 635 [2024-10-11 20:33:23,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=325, Invalid=865, Unknown=0, NotChecked=0, Total=1190 [2024-10-11 20:33:23,658 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 394 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:23,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 514 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:33:23,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2024-10-11 20:33:23,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 553. [2024-10-11 20:33:23,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 453 states have (on average 1.2538631346578366) internal successors, (568), 466 states have internal predecessors, (568), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-10-11 20:33:23,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 738 transitions. [2024-10-11 20:33:23,689 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 738 transitions. Word has length 114 [2024-10-11 20:33:23,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:23,689 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 738 transitions. [2024-10-11 20:33:23,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.894736842105263) internal successors, (150), 20 states have internal predecessors, (150), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-10-11 20:33:23,690 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 738 transitions. [2024-10-11 20:33:23,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-11 20:33:23,690 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:23,690 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-11 20:33:23,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-11 20:33:23,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:23,891 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:23,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:23,891 INFO L85 PathProgramCache]: Analyzing trace with hash 740464748, now seen corresponding path program 1 times [2024-10-11 20:33:23,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:23,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063630504] [2024-10-11 20:33:23,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:23,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:24,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:33:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:24,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:33:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:24,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:33:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:24,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:33:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:24,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:33:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:24,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:33:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:24,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:33:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:24,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:33:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:24,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 20:33:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:24,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:33:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:24,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:33:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:24,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 20:33:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:24,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 20:33:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:24,048 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2024-10-11 20:33:24,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:24,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063630504] [2024-10-11 20:33:24,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063630504] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:24,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049133162] [2024-10-11 20:33:24,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:24,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:24,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:24,051 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:24,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-11 20:33:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:24,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:33:24,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:24,258 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 25 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:33:24,259 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:33:26,516 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:33:26,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049133162] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:33:26,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:33:26,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 8] total 20 [2024-10-11 20:33:26,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176329242] [2024-10-11 20:33:26,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:33:26,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-11 20:33:26,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:26,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-11 20:33:26,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2024-10-11 20:33:26,518 INFO L87 Difference]: Start difference. First operand 553 states and 738 transitions. Second operand has 21 states, 20 states have (on average 7.95) internal successors, (159), 21 states have internal predecessors, (159), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-10-11 20:33:26,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:26,802 INFO L93 Difference]: Finished difference Result 757 states and 1026 transitions. [2024-10-11 20:33:26,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:33:26,803 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.95) internal successors, (159), 21 states have internal predecessors, (159), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) Word has length 119 [2024-10-11 20:33:26,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:26,805 INFO L225 Difference]: With dead ends: 757 [2024-10-11 20:33:26,805 INFO L226 Difference]: Without dead ends: 756 [2024-10-11 20:33:26,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=396, Unknown=0, NotChecked=0, Total=600 [2024-10-11 20:33:26,806 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 269 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:26,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 281 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:33:26,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2024-10-11 20:33:26,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 552. [2024-10-11 20:33:26,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 453 states have (on average 1.2450331125827814) internal successors, (564), 465 states have internal predecessors, (564), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-10-11 20:33:26,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 734 transitions. [2024-10-11 20:33:26,839 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 734 transitions. Word has length 119 [2024-10-11 20:33:26,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:26,840 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 734 transitions. [2024-10-11 20:33:26,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.95) internal successors, (159), 21 states have internal predecessors, (159), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-10-11 20:33:26,840 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 734 transitions. [2024-10-11 20:33:26,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-11 20:33:26,841 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:26,841 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1] [2024-10-11 20:33:26,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-11 20:33:27,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,23 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:27,042 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:27,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:27,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1479570818, now seen corresponding path program 1 times [2024-10-11 20:33:27,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:27,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533997981] [2024-10-11 20:33:27,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:27,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:27,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:33:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:27,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:33:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:27,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:33:27,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:27,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:33:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:27,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:33:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:27,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:33:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:27,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:33:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:27,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:33:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:27,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 20:33:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:27,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:33:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:27,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:33:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:27,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 20:33:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:27,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 20:33:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:27,204 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:33:27,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:27,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533997981] [2024-10-11 20:33:27,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533997981] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:27,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917696314] [2024-10-11 20:33:27,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:27,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:27,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:27,206 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:27,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-11 20:33:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:27,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:33:27,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:27,471 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:33:27,471 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:33:28,510 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:33:28,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917696314] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:33:28,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:33:28,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-10-11 20:33:28,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288142607] [2024-10-11 20:33:28,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:33:28,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-11 20:33:28,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:28,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-11 20:33:28,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=300, Unknown=0, NotChecked=0, Total=462 [2024-10-11 20:33:28,514 INFO L87 Difference]: Start difference. First operand 552 states and 734 transitions. Second operand has 22 states, 21 states have (on average 8.0) internal successors, (168), 22 states have internal predecessors, (168), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-10-11 20:33:29,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:29,427 INFO L93 Difference]: Finished difference Result 814 states and 1057 transitions. [2024-10-11 20:33:29,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 20:33:29,428 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 8.0) internal successors, (168), 22 states have internal predecessors, (168), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 120 [2024-10-11 20:33:29,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:29,431 INFO L225 Difference]: With dead ends: 814 [2024-10-11 20:33:29,431 INFO L226 Difference]: Without dead ends: 813 [2024-10-11 20:33:29,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=424, Invalid=698, Unknown=0, NotChecked=0, Total=1122 [2024-10-11 20:33:29,432 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 316 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:29,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 541 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:33:29,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2024-10-11 20:33:29,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 695. [2024-10-11 20:33:29,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 580 states have (on average 1.236206896551724) internal successors, (717), 592 states have internal predecessors, (717), 101 states have call successors, (101), 1 states have call predecessors, (101), 1 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2024-10-11 20:33:29,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 919 transitions. [2024-10-11 20:33:29,478 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 919 transitions. Word has length 120 [2024-10-11 20:33:29,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:29,478 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 919 transitions. [2024-10-11 20:33:29,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 8.0) internal successors, (168), 22 states have internal predecessors, (168), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-10-11 20:33:29,478 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 919 transitions. [2024-10-11 20:33:29,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-11 20:33:29,480 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:29,480 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:33:29,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-11 20:33:29,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:29,681 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:29,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:29,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1747377323, now seen corresponding path program 3 times [2024-10-11 20:33:29,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:29,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845658217] [2024-10-11 20:33:29,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:29,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:33:29,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [980544633] [2024-10-11 20:33:29,730 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:33:29,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:29,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:29,732 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:29,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-11 20:33:29,770 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-11 20:33:29,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:33:29,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 20:33:29,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:30,127 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 39 proven. 5 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-10-11 20:33:30,127 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:33:48,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:48,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845658217] [2024-10-11 20:33:48,620 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:33:48,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980544633] [2024-10-11 20:33:48,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980544633] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:48,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:33:48,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-11 20:33:48,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309160194] [2024-10-11 20:33:48,621 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:33:48,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:33:48,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:48,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:33:48,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=177, Unknown=4, NotChecked=0, Total=240 [2024-10-11 20:33:48,622 INFO L87 Difference]: Start difference. First operand 695 states and 919 transitions. Second operand has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:33:49,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:49,069 INFO L93 Difference]: Finished difference Result 712 states and 933 transitions. [2024-10-11 20:33:49,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:33:49,070 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 121 [2024-10-11 20:33:49,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:49,072 INFO L225 Difference]: With dead ends: 712 [2024-10-11 20:33:49,072 INFO L226 Difference]: Without dead ends: 711 [2024-10-11 20:33:49,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 17.6s TimeCoverageRelationStatistics Valid=99, Invalid=277, Unknown=4, NotChecked=0, Total=380 [2024-10-11 20:33:49,073 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 69 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:49,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 100 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:33:49,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2024-10-11 20:33:49,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 695. [2024-10-11 20:33:49,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 580 states have (on average 1.2224137931034482) internal successors, (709), 592 states have internal predecessors, (709), 101 states have call successors, (101), 1 states have call predecessors, (101), 1 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2024-10-11 20:33:49,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 911 transitions. [2024-10-11 20:33:49,123 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 911 transitions. Word has length 121 [2024-10-11 20:33:49,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:49,124 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 911 transitions. [2024-10-11 20:33:49,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:33:49,124 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 911 transitions. [2024-10-11 20:33:49,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-11 20:33:49,125 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:49,125 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1] [2024-10-11 20:33:49,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-11 20:33:49,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-10-11 20:33:49,330 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:49,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:49,330 INFO L85 PathProgramCache]: Analyzing trace with hash 233383428, now seen corresponding path program 2 times [2024-10-11 20:33:49,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:49,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955809369] [2024-10-11 20:33:49,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:49,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:33:49,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1511948676] [2024-10-11 20:33:49,350 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:33:49,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:49,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:49,352 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:49,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-11 20:33:49,384 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 20:33:49,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:33:49,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:33:49,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:49,487 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2024-10-11 20:33:49,488 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:33:49,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:49,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955809369] [2024-10-11 20:33:49,488 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:33:49,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511948676] [2024-10-11 20:33:49,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511948676] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:33:49,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:33:49,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:33:49,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934306739] [2024-10-11 20:33:49,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:33:49,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:33:49,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:49,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:33:49,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:33:49,489 INFO L87 Difference]: Start difference. First operand 695 states and 911 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-10-11 20:33:49,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:49,624 INFO L93 Difference]: Finished difference Result 695 states and 911 transitions. [2024-10-11 20:33:49,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:33:49,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 122 [2024-10-11 20:33:49,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:49,626 INFO L225 Difference]: With dead ends: 695 [2024-10-11 20:33:49,626 INFO L226 Difference]: Without dead ends: 694 [2024-10-11 20:33:49,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:33:49,627 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 65 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:49,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 67 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:33:49,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2024-10-11 20:33:49,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 649. [2024-10-11 20:33:49,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 541 states have (on average 1.1903881700554528) internal successors, (644), 552 states have internal predecessors, (644), 95 states have call successors, (95), 1 states have call predecessors, (95), 1 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2024-10-11 20:33:49,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 834 transitions. [2024-10-11 20:33:49,673 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 834 transitions. Word has length 122 [2024-10-11 20:33:49,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:49,673 INFO L471 AbstractCegarLoop]: Abstraction has 649 states and 834 transitions. [2024-10-11 20:33:49,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-10-11 20:33:49,673 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 834 transitions. [2024-10-11 20:33:49,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-11 20:33:49,674 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:49,674 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1] [2024-10-11 20:33:49,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-11 20:33:49,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-10-11 20:33:49,875 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:49,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:49,875 INFO L85 PathProgramCache]: Analyzing trace with hash -826273142, now seen corresponding path program 4 times [2024-10-11 20:33:49,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:49,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775457767] [2024-10-11 20:33:49,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:49,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:50,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:33:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:50,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:33:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:50,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:33:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:50,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:33:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:50,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:33:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:50,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:33:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:50,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:33:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:50,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:33:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:50,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 20:33:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:50,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:33:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:50,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:33:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:50,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 20:33:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:50,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 20:33:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:50,301 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:33:50,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:50,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775457767] [2024-10-11 20:33:50,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775457767] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:50,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732416778] [2024-10-11 20:33:50,301 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-11 20:33:50,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:50,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:50,303 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:50,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-11 20:33:50,378 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-11 20:33:50,379 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:33:50,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-11 20:33:50,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:51,175 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:33:51,175 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:33:51,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732416778] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:51,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:33:51,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 24 [2024-10-11 20:33:51,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226063745] [2024-10-11 20:33:51,999 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:33:52,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-11 20:33:52,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:52,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-11 20:33:52,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=687, Unknown=0, NotChecked=0, Total=812 [2024-10-11 20:33:52,000 INFO L87 Difference]: Start difference. First operand 649 states and 834 transitions. Second operand has 25 states, 24 states have (on average 5.125) internal successors, (123), 25 states have internal predecessors, (123), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-10-11 20:33:53,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:53,455 INFO L93 Difference]: Finished difference Result 802 states and 1026 transitions. [2024-10-11 20:33:53,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-11 20:33:53,456 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 5.125) internal successors, (123), 25 states have internal predecessors, (123), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 125 [2024-10-11 20:33:53,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:53,458 INFO L225 Difference]: With dead ends: 802 [2024-10-11 20:33:53,458 INFO L226 Difference]: Without dead ends: 794 [2024-10-11 20:33:53,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 569 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=321, Invalid=1841, Unknown=0, NotChecked=0, Total=2162 [2024-10-11 20:33:53,459 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 285 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 1489 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 1550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:53,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 408 Invalid, 1550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1489 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 20:33:53,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2024-10-11 20:33:53,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 737. [2024-10-11 20:33:53,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 619 states have (on average 1.187399030694669) internal successors, (735), 630 states have internal predecessors, (735), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-10-11 20:33:53,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 945 transitions. [2024-10-11 20:33:53,509 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 945 transitions. Word has length 125 [2024-10-11 20:33:53,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:53,509 INFO L471 AbstractCegarLoop]: Abstraction has 737 states and 945 transitions. [2024-10-11 20:33:53,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 5.125) internal successors, (123), 25 states have internal predecessors, (123), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-10-11 20:33:53,509 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 945 transitions. [2024-10-11 20:33:53,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-11 20:33:53,510 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:53,510 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:33:53,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-11 20:33:53,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,27 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:53,715 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:53,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:53,715 INFO L85 PathProgramCache]: Analyzing trace with hash -661284899, now seen corresponding path program 1 times [2024-10-11 20:33:53,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:53,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141375818] [2024-10-11 20:33:53,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:53,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:33:53,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [185211304] [2024-10-11 20:33:53,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:53,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:53,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:53,736 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:53,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-11 20:33:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:53,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:33:53,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:53,926 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-10-11 20:33:53,926 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:33:53,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:53,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141375818] [2024-10-11 20:33:53,926 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:33:53,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185211304] [2024-10-11 20:33:53,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185211304] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:33:53,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:33:53,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:33:53,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859267237] [2024-10-11 20:33:53,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:33:53,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:33:53,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:53,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:33:53,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:33:53,928 INFO L87 Difference]: Start difference. First operand 737 states and 945 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (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) [2024-10-11 20:33:54,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:54,021 INFO L93 Difference]: Finished difference Result 737 states and 945 transitions. [2024-10-11 20:33:54,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:33:54,022 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (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 128 [2024-10-11 20:33:54,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:54,024 INFO L225 Difference]: With dead ends: 737 [2024-10-11 20:33:54,024 INFO L226 Difference]: Without dead ends: 735 [2024-10-11 20:33:54,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:33:54,024 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 27 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:54,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 57 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:33:54,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-10-11 20:33:54,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 602. [2024-10-11 20:33:54,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 502 states have (on average 1.153386454183267) internal successors, (579), 511 states have internal predecessors, (579), 89 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-10-11 20:33:54,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 757 transitions. [2024-10-11 20:33:54,073 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 757 transitions. Word has length 128 [2024-10-11 20:33:54,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:54,074 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 757 transitions. [2024-10-11 20:33:54,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (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) [2024-10-11 20:33:54,074 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 757 transitions. [2024-10-11 20:33:54,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-11 20:33:54,075 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:54,075 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:33:54,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-10-11 20:33:54,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,28 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:54,275 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:54,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:54,276 INFO L85 PathProgramCache]: Analyzing trace with hash 664607779, now seen corresponding path program 1 times [2024-10-11 20:33:54,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:54,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158199960] [2024-10-11 20:33:54,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:54,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:33:54,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [830460244] [2024-10-11 20:33:54,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:54,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:54,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:54,299 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:54,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-11 20:33:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:33:54,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-11 20:33:54,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:54,753 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-11 20:33:54,753 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:33:55,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:55,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158199960] [2024-10-11 20:33:55,039 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:33:55,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830460244] [2024-10-11 20:33:55,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830460244] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:55,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:33:55,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:33:55,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157188828] [2024-10-11 20:33:55,040 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:33:55,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:33:55,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:55,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:33:55,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:33:55,041 INFO L87 Difference]: Start difference. First operand 602 states and 757 transitions. Second operand has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-11 20:33:55,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:55,444 INFO L93 Difference]: Finished difference Result 605 states and 759 transitions. [2024-10-11 20:33:55,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:33:55,444 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 135 [2024-10-11 20:33:55,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:55,446 INFO L225 Difference]: With dead ends: 605 [2024-10-11 20:33:55,446 INFO L226 Difference]: Without dead ends: 603 [2024-10-11 20:33:55,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:33:55,447 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 14 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:55,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 219 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:33:55,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-10-11 20:33:55,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 602. [2024-10-11 20:33:55,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 502 states have (on average 1.151394422310757) internal successors, (578), 511 states have internal predecessors, (578), 89 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-10-11 20:33:55,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 756 transitions. [2024-10-11 20:33:55,513 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 756 transitions. Word has length 135 [2024-10-11 20:33:55,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:55,513 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 756 transitions. [2024-10-11 20:33:55,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-11 20:33:55,513 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 756 transitions. [2024-10-11 20:33:55,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-11 20:33:55,514 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:55,514 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1, 1] [2024-10-11 20:33:55,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-10-11 20:33:55,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-11 20:33:55,719 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:55,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:55,719 INFO L85 PathProgramCache]: Analyzing trace with hash -101727511, now seen corresponding path program 3 times [2024-10-11 20:33:55,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:55,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540838504] [2024-10-11 20:33:55,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:55,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:33:55,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1245290874] [2024-10-11 20:33:55,745 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:33:55,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:55,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:55,749 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:55,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-11 20:33:55,790 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-11 20:33:55,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:33:55,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:33:55,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:55,940 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-10-11 20:33:55,940 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:33:56,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:56,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540838504] [2024-10-11 20:33:56,146 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:33:56,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245290874] [2024-10-11 20:33:56,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245290874] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:56,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:33:56,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:33:56,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207551760] [2024-10-11 20:33:56,147 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:33:56,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:33:56,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:56,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:33:56,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:33:56,148 INFO L87 Difference]: Start difference. First operand 602 states and 756 transitions. Second operand has 9 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:33:56,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:33:56,399 INFO L93 Difference]: Finished difference Result 604 states and 758 transitions. [2024-10-11 20:33:56,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 20:33:56,399 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 139 [2024-10-11 20:33:56,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:33:56,401 INFO L225 Difference]: With dead ends: 604 [2024-10-11 20:33:56,401 INFO L226 Difference]: Without dead ends: 602 [2024-10-11 20:33:56,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2024-10-11 20:33:56,402 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 82 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:33:56,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 73 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:33:56,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-10-11 20:33:56,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 600. [2024-10-11 20:33:56,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 501 states have (on average 1.1477045908183632) internal successors, (575), 509 states have internal predecessors, (575), 89 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-10-11 20:33:56,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 753 transitions. [2024-10-11 20:33:56,447 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 753 transitions. Word has length 139 [2024-10-11 20:33:56,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:33:56,447 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 753 transitions. [2024-10-11 20:33:56,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:33:56,447 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 753 transitions. [2024-10-11 20:33:56,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-11 20:33:56,448 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:33:56,448 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1] [2024-10-11 20:33:56,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-10-11 20:33:56,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,30 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:56,649 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:33:56,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:33:56,649 INFO L85 PathProgramCache]: Analyzing trace with hash -2057340396, now seen corresponding path program 5 times [2024-10-11 20:33:56,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:33:56,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108967154] [2024-10-11 20:33:56,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:33:56,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:33:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:33:56,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1057070693] [2024-10-11 20:33:56,678 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-11 20:33:56,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:33:56,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:33:56,679 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:33:56,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-11 20:33:56,743 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-10-11 20:33:56,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:33:56,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-11 20:33:56,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:33:57,668 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-11 20:33:57,668 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:33:59,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:33:59,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108967154] [2024-10-11 20:33:59,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:33:59,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057070693] [2024-10-11 20:33:59,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057070693] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:33:59,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:33:59,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2024-10-11 20:33:59,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647482326] [2024-10-11 20:33:59,104 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:33:59,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-11 20:33:59,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:33:59,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-11 20:33:59,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=462, Unknown=0, NotChecked=0, Total=552 [2024-10-11 20:33:59,105 INFO L87 Difference]: Start difference. First operand 600 states and 753 transitions. Second operand has 19 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 19 states have internal predecessors, (71), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-10-11 20:34:00,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:34:00,409 INFO L93 Difference]: Finished difference Result 676 states and 846 transitions. [2024-10-11 20:34:00,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 20:34:00,410 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 19 states have internal predecessors, (71), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 148 [2024-10-11 20:34:00,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:34:00,416 INFO L225 Difference]: With dead ends: 676 [2024-10-11 20:34:00,416 INFO L226 Difference]: Without dead ends: 674 [2024-10-11 20:34:00,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=111, Invalid=539, Unknown=0, NotChecked=0, Total=650 [2024-10-11 20:34:00,420 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 58 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 2185 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 2192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:34:00,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 621 Invalid, 2192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2185 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 20:34:00,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2024-10-11 20:34:00,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 628. [2024-10-11 20:34:00,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 527 states have (on average 1.142314990512334) internal successors, (602), 535 states have internal predecessors, (602), 91 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2024-10-11 20:34:00,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 784 transitions. [2024-10-11 20:34:00,469 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 784 transitions. Word has length 148 [2024-10-11 20:34:00,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:34:00,470 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 784 transitions. [2024-10-11 20:34:00,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 19 states have internal predecessors, (71), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-10-11 20:34:00,470 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 784 transitions. [2024-10-11 20:34:00,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-10-11 20:34:00,471 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:34:00,471 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:34:00,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-10-11 20:34:00,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-10-11 20:34:00,676 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:34:00,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:34:00,677 INFO L85 PathProgramCache]: Analyzing trace with hash -472687015, now seen corresponding path program 1 times [2024-10-11 20:34:00,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:34:00,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219095853] [2024-10-11 20:34:00,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:34:00,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:34:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:00,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:34:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:00,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:34:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:00,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:34:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:00,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:34:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:00,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:34:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:00,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:34:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:00,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:34:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:00,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:34:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:00,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 20:34:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:00,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:34:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:00,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:34:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:00,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 20:34:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:00,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 20:34:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:00,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 20:34:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:00,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 20:34:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:00,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 20:34:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:00,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 20:34:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:00,777 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 41 proven. 22 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2024-10-11 20:34:00,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:34:00,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219095853] [2024-10-11 20:34:00,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219095853] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:34:00,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631875924] [2024-10-11 20:34:00,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:34:00,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:34:00,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:34:00,779 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:34:00,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-11 20:34:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:00,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:34:00,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:34:01,072 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 25 proven. 63 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2024-10-11 20:34:01,072 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:34:01,458 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 18 proven. 63 refuted. 0 times theorem prover too weak. 566 trivial. 0 not checked. [2024-10-11 20:34:01,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631875924] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:34:01,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:34:01,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 5] total 12 [2024-10-11 20:34:01,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929022798] [2024-10-11 20:34:01,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:34:01,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:34:01,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:34:01,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:34:01,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:34:01,460 INFO L87 Difference]: Start difference. First operand 628 states and 784 transitions. Second operand has 13 states, 12 states have (on average 11.5) internal successors, (138), 13 states have internal predecessors, (138), 8 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 8 states have call predecessors, (29), 8 states have call successors, (29) [2024-10-11 20:34:01,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:34:01,862 INFO L93 Difference]: Finished difference Result 788 states and 986 transitions. [2024-10-11 20:34:01,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 20:34:01,862 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 11.5) internal successors, (138), 13 states have internal predecessors, (138), 8 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 8 states have call predecessors, (29), 8 states have call successors, (29) Word has length 158 [2024-10-11 20:34:01,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:34:01,864 INFO L225 Difference]: With dead ends: 788 [2024-10-11 20:34:01,864 INFO L226 Difference]: Without dead ends: 603 [2024-10-11 20:34:01,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 346 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=364, Unknown=0, NotChecked=0, Total=552 [2024-10-11 20:34:01,865 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 154 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:34:01,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 283 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:34:01,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-10-11 20:34:01,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 537. [2024-10-11 20:34:01,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 449 states have (on average 1.1180400890868596) internal successors, (502), 456 states have internal predecessors, (502), 79 states have call successors, (79), 1 states have call predecessors, (79), 1 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-10-11 20:34:01,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 660 transitions. [2024-10-11 20:34:01,924 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 660 transitions. Word has length 158 [2024-10-11 20:34:01,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:34:01,925 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 660 transitions. [2024-10-11 20:34:01,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 11.5) internal successors, (138), 13 states have internal predecessors, (138), 8 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 8 states have call predecessors, (29), 8 states have call successors, (29) [2024-10-11 20:34:01,925 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 660 transitions. [2024-10-11 20:34:01,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-10-11 20:34:01,926 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:34:01,926 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:34:01,938 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-10-11 20:34:02,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-11 20:34:02,129 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:34:02,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:34:02,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1420572949, now seen corresponding path program 1 times [2024-10-11 20:34:02,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:34:02,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915930011] [2024-10-11 20:34:02,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:34:02,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:34:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:02,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:34:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:02,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:34:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:02,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:34:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:02,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:34:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:02,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:34:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:02,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:34:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:02,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:34:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:02,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:34:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:02,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 20:34:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:02,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:34:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:02,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 20:34:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:02,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 20:34:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:02,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 20:34:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:02,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 20:34:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:02,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 20:34:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:02,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 20:34:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:02,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 20:34:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:02,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 20:34:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:02,285 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 54 proven. 35 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:34:02,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:34:02,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915930011] [2024-10-11 20:34:02,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915930011] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:34:02,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069429519] [2024-10-11 20:34:02,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:34:02,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:34:02,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:34:02,289 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:34:02,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-11 20:34:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:02,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:34:02,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:34:02,453 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 54 proven. 35 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:34:02,453 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:34:02,670 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 54 proven. 35 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:34:02,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069429519] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:34:02,670 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:34:02,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2024-10-11 20:34:02,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766375779] [2024-10-11 20:34:02,671 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:34:02,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:34:02,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:34:02,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:34:02,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:34:02,672 INFO L87 Difference]: Start difference. First operand 537 states and 660 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-10-11 20:34:02,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:34:02,801 INFO L93 Difference]: Finished difference Result 606 states and 744 transitions. [2024-10-11 20:34:02,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:34:02,802 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 159 [2024-10-11 20:34:02,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:34:02,804 INFO L225 Difference]: With dead ends: 606 [2024-10-11 20:34:02,804 INFO L226 Difference]: Without dead ends: 600 [2024-10-11 20:34:02,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 349 SyntacticMatches, 8 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:34:02,804 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 36 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:34:02,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 221 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:34:02,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2024-10-11 20:34:02,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 597. [2024-10-11 20:34:02,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 501 states have (on average 1.1197604790419162) internal successors, (561), 508 states have internal predecessors, (561), 87 states have call successors, (87), 1 states have call predecessors, (87), 1 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-10-11 20:34:02,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 735 transitions. [2024-10-11 20:34:02,854 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 735 transitions. Word has length 159 [2024-10-11 20:34:02,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:34:02,854 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 735 transitions. [2024-10-11 20:34:02,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-10-11 20:34:02,854 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 735 transitions. [2024-10-11 20:34:02,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-10-11 20:34:02,855 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:34:02,855 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:34:02,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-10-11 20:34:03,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2024-10-11 20:34:03,060 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:34:03,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:34:03,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1768396604, now seen corresponding path program 2 times [2024-10-11 20:34:03,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:34:03,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956574163] [2024-10-11 20:34:03,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:34:03,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:34:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:03,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:34:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:03,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:34:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:03,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:34:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:03,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:34:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:03,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:34:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:03,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:34:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:03,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:34:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:03,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:34:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:03,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 20:34:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:03,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:34:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:03,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:34:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:03,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 20:34:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:03,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 20:34:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:03,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 20:34:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:03,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 20:34:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:03,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 20:34:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:03,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 20:34:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:03,318 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-10-11 20:34:03,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:34:03,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956574163] [2024-10-11 20:34:03,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956574163] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:34:03,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444876794] [2024-10-11 20:34:03,318 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:34:03,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:34:03,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:34:03,320 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:34:03,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-11 20:34:03,371 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:34:03,371 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:34:03,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 20:34:03,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:34:03,636 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 153 proven. 67 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-10-11 20:34:03,637 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:34:04,984 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 45 proven. 55 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-10-11 20:34:04,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444876794] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:34:04,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:34:04,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 10] total 23 [2024-10-11 20:34:04,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493357213] [2024-10-11 20:34:04,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:34:04,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-11 20:34:04,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:34:04,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-11 20:34:04,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2024-10-11 20:34:04,990 INFO L87 Difference]: Start difference. First operand 597 states and 735 transitions. Second operand has 23 states, 23 states have (on average 9.043478260869565) internal successors, (208), 23 states have internal predecessors, (208), 14 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 14 states have call predecessors, (49), 14 states have call successors, (49) [2024-10-11 20:34:05,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:34:05,774 INFO L93 Difference]: Finished difference Result 646 states and 790 transitions. [2024-10-11 20:34:05,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 20:34:05,774 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 9.043478260869565) internal successors, (208), 23 states have internal predecessors, (208), 14 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 14 states have call predecessors, (49), 14 states have call successors, (49) Word has length 159 [2024-10-11 20:34:05,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:34:05,776 INFO L225 Difference]: With dead ends: 646 [2024-10-11 20:34:05,776 INFO L226 Difference]: Without dead ends: 405 [2024-10-11 20:34:05,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=263, Invalid=1143, Unknown=0, NotChecked=0, Total=1406 [2024-10-11 20:34:05,777 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 113 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:34:05,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 463 Invalid, 794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:34:05,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-10-11 20:34:05,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2024-10-11 20:34:05,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 331 states have (on average 1.1148036253776434) internal successors, (369), 338 states have internal predecessors, (369), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-10-11 20:34:05,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 499 transitions. [2024-10-11 20:34:05,818 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 499 transitions. Word has length 159 [2024-10-11 20:34:05,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:34:05,822 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 499 transitions. [2024-10-11 20:34:05,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.043478260869565) internal successors, (208), 23 states have internal predecessors, (208), 14 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 14 states have call predecessors, (49), 14 states have call successors, (49) [2024-10-11 20:34:05,822 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 499 transitions. [2024-10-11 20:34:05,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-11 20:34:05,823 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:34:05,823 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-11 20:34:05,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-10-11 20:34:06,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,34 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:34:06,028 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:34:06,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:34:06,028 INFO L85 PathProgramCache]: Analyzing trace with hash 144100507, now seen corresponding path program 1 times [2024-10-11 20:34:06,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:34:06,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132378332] [2024-10-11 20:34:06,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:34:06,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:34:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:06,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:34:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:06,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:34:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:06,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:34:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:06,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:34:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:06,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:34:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:06,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:34:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:06,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:34:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:06,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:34:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:06,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 20:34:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:06,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:34:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:06,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 20:34:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:06,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 20:34:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:06,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 20:34:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:06,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 20:34:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:06,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 20:34:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:06,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 20:34:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:06,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 20:34:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:06,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 20:34:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:06,416 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:34:06,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:34:06,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132378332] [2024-10-11 20:34:06,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132378332] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:34:06,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775478632] [2024-10-11 20:34:06,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:34:06,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:34:06,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:34:06,418 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:34:06,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-11 20:34:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:06,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-11 20:34:06,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:34:06,872 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:34:06,873 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:34:10,263 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:34:10,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775478632] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:34:10,264 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:34:10,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 8] total 29 [2024-10-11 20:34:10,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101702972] [2024-10-11 20:34:10,264 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:34:10,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-10-11 20:34:10,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:34:10,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-11 20:34:10,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=593, Unknown=0, NotChecked=0, Total=870 [2024-10-11 20:34:10,267 INFO L87 Difference]: Start difference. First operand 405 states and 499 transitions. Second operand has 30 states, 29 states have (on average 7.9655172413793105) internal successors, (231), 30 states have internal predecessors, (231), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) [2024-10-11 20:34:13,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:34:13,537 INFO L93 Difference]: Finished difference Result 760 states and 929 transitions. [2024-10-11 20:34:13,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-11 20:34:13,538 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 7.9655172413793105) internal successors, (231), 30 states have internal predecessors, (231), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) Word has length 166 [2024-10-11 20:34:13,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:34:13,540 INFO L225 Difference]: With dead ends: 760 [2024-10-11 20:34:13,540 INFO L226 Difference]: Without dead ends: 759 [2024-10-11 20:34:13,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 963 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1072, Invalid=1898, Unknown=0, NotChecked=0, Total=2970 [2024-10-11 20:34:13,545 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 551 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 1332 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 1463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 1332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:34:13,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 784 Invalid, 1463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 1332 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 20:34:13,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2024-10-11 20:34:13,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 614. [2024-10-11 20:34:13,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 512 states have (on average 1.1171875) internal successors, (572), 519 states have internal predecessors, (572), 93 states have call successors, (93), 1 states have call predecessors, (93), 1 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-11 20:34:13,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 758 transitions. [2024-10-11 20:34:13,645 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 758 transitions. Word has length 166 [2024-10-11 20:34:13,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:34:13,648 INFO L471 AbstractCegarLoop]: Abstraction has 614 states and 758 transitions. [2024-10-11 20:34:13,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 7.9655172413793105) internal successors, (231), 30 states have internal predecessors, (231), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) [2024-10-11 20:34:13,648 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 758 transitions. [2024-10-11 20:34:13,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-10-11 20:34:13,651 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:34:13,654 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1] [2024-10-11 20:34:13,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-10-11 20:34:13,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-10-11 20:34:13,855 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:34:13,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:34:13,855 INFO L85 PathProgramCache]: Analyzing trace with hash -60500321, now seen corresponding path program 1 times [2024-10-11 20:34:13,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:34:13,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645173196] [2024-10-11 20:34:13,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:34:13,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:34:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:14,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:34:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:14,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:34:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:14,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:34:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:14,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:34:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:14,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:34:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:14,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:34:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:14,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:34:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:14,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:34:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:14,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 20:34:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:14,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:34:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:14,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 20:34:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:14,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 20:34:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:14,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 20:34:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:14,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 20:34:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:14,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 20:34:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:14,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 20:34:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:14,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 20:34:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:14,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 20:34:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:14,199 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:34:14,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:34:14,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645173196] [2024-10-11 20:34:14,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645173196] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:34:14,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825273998] [2024-10-11 20:34:14,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:34:14,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:34:14,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:34:14,201 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:34:14,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-11 20:34:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:14,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 20:34:14,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:34:14,603 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:34:14,603 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:34:16,883 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:34:16,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825273998] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:34:16,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:34:16,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 34 [2024-10-11 20:34:16,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006795590] [2024-10-11 20:34:16,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:34:16,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-10-11 20:34:16,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:34:16,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-10-11 20:34:16,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=972, Unknown=0, NotChecked=0, Total=1190 [2024-10-11 20:34:16,885 INFO L87 Difference]: Start difference. First operand 614 states and 758 transitions. Second operand has 35 states, 34 states have (on average 6.970588235294118) internal successors, (237), 35 states have internal predecessors, (237), 21 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 21 states have call predecessors, (54), 21 states have call successors, (54) [2024-10-11 20:34:20,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:34:20,540 INFO L93 Difference]: Finished difference Result 1162 states and 1455 transitions. [2024-10-11 20:34:20,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-11 20:34:20,540 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 6.970588235294118) internal successors, (237), 35 states have internal predecessors, (237), 21 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 21 states have call predecessors, (54), 21 states have call successors, (54) Word has length 168 [2024-10-11 20:34:20,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:34:20,545 INFO L225 Difference]: With dead ends: 1162 [2024-10-11 20:34:20,545 INFO L226 Difference]: Without dead ends: 1160 [2024-10-11 20:34:20,546 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1203 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1098, Invalid=3594, Unknown=0, NotChecked=0, Total=4692 [2024-10-11 20:34:20,547 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 1020 mSDsluCounter, 1240 mSDsCounter, 0 mSdLazyCounter, 1269 mSolverCounterSat, 301 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1024 SdHoareTripleChecker+Valid, 1344 SdHoareTripleChecker+Invalid, 1570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 301 IncrementalHoareTripleChecker+Valid, 1269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:34:20,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1024 Valid, 1344 Invalid, 1570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [301 Valid, 1269 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 20:34:20,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-10-11 20:34:20,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 783. [2024-10-11 20:34:20,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 783 states, 668 states have (on average 1.1377245508982037) internal successors, (760), 674 states have internal predecessors, (760), 107 states have call successors, (107), 1 states have call predecessors, (107), 1 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2024-10-11 20:34:20,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 974 transitions. [2024-10-11 20:34:20,688 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 974 transitions. Word has length 168 [2024-10-11 20:34:20,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:34:20,688 INFO L471 AbstractCegarLoop]: Abstraction has 783 states and 974 transitions. [2024-10-11 20:34:20,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 6.970588235294118) internal successors, (237), 35 states have internal predecessors, (237), 21 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 21 states have call predecessors, (54), 21 states have call successors, (54) [2024-10-11 20:34:20,688 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 974 transitions. [2024-10-11 20:34:20,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-11 20:34:20,689 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:34:20,689 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-10-11 20:34:20,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-10-11 20:34:20,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-10-11 20:34:20,890 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:34:20,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:34:20,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1160984394, now seen corresponding path program 6 times [2024-10-11 20:34:20,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:34:20,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495989426] [2024-10-11 20:34:20,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:34:20,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:34:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:34:20,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1209127538] [2024-10-11 20:34:20,907 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-11 20:34:20,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:34:20,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:34:20,908 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:34:20,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-11 20:34:20,989 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-10-11 20:34:20,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:34:20,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-11 20:34:20,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:34:21,990 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 54 proven. 29 refuted. 0 times theorem prover too weak. 724 trivial. 0 not checked. [2024-10-11 20:34:21,990 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:34:27,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:34:27,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495989426] [2024-10-11 20:34:27,880 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:34:27,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209127538] [2024-10-11 20:34:27,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209127538] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:34:27,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:34:27,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-10-11 20:34:27,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335467317] [2024-10-11 20:34:27,880 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:34:27,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 20:34:27,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:34:27,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 20:34:27,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=337, Unknown=1, NotChecked=0, Total=420 [2024-10-11 20:34:27,881 INFO L87 Difference]: Start difference. First operand 783 states and 974 transitions. Second operand has 14 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:34:28,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:34:28,483 INFO L93 Difference]: Finished difference Result 865 states and 1073 transitions. [2024-10-11 20:34:28,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:34:28,484 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 171 [2024-10-11 20:34:28,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:34:28,486 INFO L225 Difference]: With dead ends: 865 [2024-10-11 20:34:28,486 INFO L226 Difference]: Without dead ends: 864 [2024-10-11 20:34:28,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=101, Invalid=404, Unknown=1, NotChecked=0, Total=506 [2024-10-11 20:34:28,487 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 32 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:34:28,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 190 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:34:28,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2024-10-11 20:34:28,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 783. [2024-10-11 20:34:28,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 783 states, 668 states have (on average 1.1362275449101797) internal successors, (759), 674 states have internal predecessors, (759), 107 states have call successors, (107), 1 states have call predecessors, (107), 1 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2024-10-11 20:34:28,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 973 transitions. [2024-10-11 20:34:28,612 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 973 transitions. Word has length 171 [2024-10-11 20:34:28,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:34:28,612 INFO L471 AbstractCegarLoop]: Abstraction has 783 states and 973 transitions. [2024-10-11 20:34:28,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:34:28,612 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 973 transitions. [2024-10-11 20:34:28,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-11 20:34:28,614 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:34:28,614 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-11 20:34:28,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-10-11 20:34:28,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,37 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:34:28,818 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:34:28,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:34:28,819 INFO L85 PathProgramCache]: Analyzing trace with hash 241255185, now seen corresponding path program 1 times [2024-10-11 20:34:28,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:34:28,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256072319] [2024-10-11 20:34:28,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:34:28,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:34:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:29,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:34:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:29,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:34:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:29,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:34:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:29,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:34:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:29,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:34:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:29,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:34:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:29,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:34:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:29,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:34:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:29,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 20:34:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:29,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:34:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:29,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 20:34:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:29,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 20:34:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:29,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 20:34:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:29,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 20:34:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:29,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 20:34:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:29,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 20:34:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:29,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 20:34:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:29,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 20:34:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:29,156 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:34:29,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:34:29,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256072319] [2024-10-11 20:34:29,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256072319] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:34:29,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809791201] [2024-10-11 20:34:29,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:34:29,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:34:29,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:34:29,160 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:34:29,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-10-11 20:34:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:29,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-11 20:34:29,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:34:29,897 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:34:29,897 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:34:30,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809791201] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:34:30,242 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:34:30,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 24 [2024-10-11 20:34:30,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969930043] [2024-10-11 20:34:30,243 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:34:30,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-11 20:34:30,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:34:30,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-11 20:34:30,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=659, Unknown=0, NotChecked=0, Total=756 [2024-10-11 20:34:30,244 INFO L87 Difference]: Start difference. First operand 783 states and 973 transitions. Second operand has 25 states, 24 states have (on average 6.875) internal successors, (165), 25 states have internal predecessors, (165), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-10-11 20:34:32,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:34:32,160 INFO L93 Difference]: Finished difference Result 988 states and 1217 transitions. [2024-10-11 20:34:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-11 20:34:32,161 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.875) internal successors, (165), 25 states have internal predecessors, (165), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) Word has length 171 [2024-10-11 20:34:32,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:34:32,164 INFO L225 Difference]: With dead ends: 988 [2024-10-11 20:34:32,164 INFO L226 Difference]: Without dead ends: 975 [2024-10-11 20:34:32,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 695 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=444, Invalid=2312, Unknown=0, NotChecked=0, Total=2756 [2024-10-11 20:34:32,165 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 491 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 1781 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 1886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:34:32,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 928 Invalid, 1886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1781 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 20:34:32,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2024-10-11 20:34:32,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 814. [2024-10-11 20:34:32,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 814 states, 695 states have (on average 1.1223021582733812) internal successors, (780), 701 states have internal predecessors, (780), 111 states have call successors, (111), 1 states have call predecessors, (111), 1 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-10-11 20:34:32,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1002 transitions. [2024-10-11 20:34:32,322 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1002 transitions. Word has length 171 [2024-10-11 20:34:32,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:34:32,322 INFO L471 AbstractCegarLoop]: Abstraction has 814 states and 1002 transitions. [2024-10-11 20:34:32,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.875) internal successors, (165), 25 states have internal predecessors, (165), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-10-11 20:34:32,322 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1002 transitions. [2024-10-11 20:34:32,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-11 20:34:32,323 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:34:32,323 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-10-11 20:34:32,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-10-11 20:34:32,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-10-11 20:34:32,524 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:34:32,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:34:32,524 INFO L85 PathProgramCache]: Analyzing trace with hash -597114101, now seen corresponding path program 7 times [2024-10-11 20:34:32,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:34:32,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233012465] [2024-10-11 20:34:32,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:34:32,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:34:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:32,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 20:34:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:32,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:34:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:32,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 20:34:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:32,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 20:34:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:32,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:34:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:32,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:34:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:32,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:34:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:32,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:34:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:32,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 20:34:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:32,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:34:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:32,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 20:34:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:32,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 20:34:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:32,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 20:34:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:32,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 20:34:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:32,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 20:34:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:32,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 20:34:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:32,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 20:34:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:32,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 20:34:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:32,955 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:34:32,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:34:32,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233012465] [2024-10-11 20:34:32,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233012465] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:34:32,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18210782] [2024-10-11 20:34:32,956 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-11 20:34:32,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:34:32,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:34:32,958 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:34:32,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-10-11 20:34:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:34:33,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-10-11 20:34:33,022 INFO L278 TraceCheckSpWp]: Computing forward predicates...