./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound100.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c39f3d25be406fa166da46a61b4a36c0a90262202dfdee83ae8e5211f182a6f7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 11:12:01,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 11:12:01,098 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-04 11:12:01,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 11:12:01,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 11:12:01,121 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 11:12:01,122 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 11:12:01,122 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 11:12:01,123 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 11:12:01,123 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 11:12:01,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 11:12:01,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 11:12:01,124 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 11:12:01,124 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 11:12:01,124 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 11:12:01,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 11:12:01,124 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 11:12:01,124 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 11:12:01,124 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 11:12:01,125 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 11:12:01,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 11:12:01,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 11:12:01,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 11:12:01,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 11:12:01,125 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 11:12:01,125 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 11:12:01,125 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 11:12:01,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 11:12:01,125 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 11:12:01,125 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 11:12:01,125 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 11:12:01,126 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 11:12:01,126 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 11:12:01,126 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 11:12:01,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 11:12:01,126 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 11:12:01,126 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 11:12:01,127 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 11:12:01,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 11:12:01,127 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 11:12:01,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 11:12:01,127 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 11:12:01,127 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 11:12:01,127 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 11:12:01,127 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 11:12:01,127 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c39f3d25be406fa166da46a61b4a36c0a90262202dfdee83ae8e5211f182a6f7 [2025-03-04 11:12:01,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 11:12:01,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 11:12:01,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 11:12:01,344 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 11:12:01,344 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 11:12:01,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound100.c [2025-03-04 11:12:02,433 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc5842d23/f8a03b5576734444a7a9b442f84e7fb3/FLAG6c0b76a45 [2025-03-04 11:12:02,629 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 11:12:02,629 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound100.c [2025-03-04 11:12:02,641 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc5842d23/f8a03b5576734444a7a9b442f84e7fb3/FLAG6c0b76a45 [2025-03-04 11:12:02,655 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc5842d23/f8a03b5576734444a7a9b442f84e7fb3 [2025-03-04 11:12:02,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 11:12:02,659 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 11:12:02,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 11:12:02,660 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 11:12:02,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 11:12:02,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 11:12:02" (1/1) ... [2025-03-04 11:12:02,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f6c95da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:12:02, skipping insertion in model container [2025-03-04 11:12:02,664 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 11:12:02" (1/1) ... [2025-03-04 11:12:02,675 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 11:12:02,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 11:12:02,793 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 11:12:02,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 11:12:02,821 INFO L204 MainTranslator]: Completed translation [2025-03-04 11:12:02,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:12:02 WrapperNode [2025-03-04 11:12:02,822 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 11:12:02,823 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 11:12:02,823 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 11:12:02,824 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 11:12:02,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:12:02" (1/1) ... [2025-03-04 11:12:02,835 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:12:02" (1/1) ... [2025-03-04 11:12:02,849 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2025-03-04 11:12:02,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 11:12:02,851 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 11:12:02,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 11:12:02,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 11:12:02,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:12:02" (1/1) ... [2025-03-04 11:12:02,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:12:02" (1/1) ... [2025-03-04 11:12:02,859 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:12:02" (1/1) ... [2025-03-04 11:12:02,872 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]. [2025-03-04 11:12:02,873 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:12:02" (1/1) ... [2025-03-04 11:12:02,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:12:02" (1/1) ... [2025-03-04 11:12:02,877 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:12:02" (1/1) ... [2025-03-04 11:12:02,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:12:02" (1/1) ... [2025-03-04 11:12:02,881 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:12:02" (1/1) ... [2025-03-04 11:12:02,882 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:12:02" (1/1) ... [2025-03-04 11:12:02,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 11:12:02,883 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 11:12:02,883 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 11:12:02,883 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 11:12:02,884 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:12:02" (1/1) ... [2025-03-04 11:12:02,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 11:12:02,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:12:02,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 11:12:02,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 11:12:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 11:12:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 11:12:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 11:12:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 11:12:02,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 11:12:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 11:12:02,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 11:12:02,979 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 11:12:02,980 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 11:12:03,199 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2025-03-04 11:12:03,200 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 11:12:03,208 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 11:12:03,209 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 11:12:03,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 11:12:03 BoogieIcfgContainer [2025-03-04 11:12:03,210 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 11:12:03,212 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 11:12:03,212 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 11:12:03,215 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 11:12:03,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 11:12:02" (1/3) ... [2025-03-04 11:12:03,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5d423d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 11:12:03, skipping insertion in model container [2025-03-04 11:12:03,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:12:02" (2/3) ... [2025-03-04 11:12:03,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5d423d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 11:12:03, skipping insertion in model container [2025-03-04 11:12:03,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 11:12:03" (3/3) ... [2025-03-04 11:12:03,217 INFO L128 eAbstractionObserver]: Analyzing ICFG hard2_valuebound100.c [2025-03-04 11:12:03,228 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 11:12:03,229 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hard2_valuebound100.c that has 2 procedures, 72 locations, 1 initial locations, 2 loop locations, and 24 error locations. [2025-03-04 11:12:03,261 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 11:12:03,268 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;@526405b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 11:12:03,269 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2025-03-04 11:12:03,271 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 40 states have (on average 1.75) internal successors, (70), 63 states have internal predecessors, (70), 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) [2025-03-04 11:12:03,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-04 11:12:03,274 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:03,275 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-04 11:12:03,275 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:03,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:03,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1337638612, now seen corresponding path program 1 times [2025-03-04 11:12:03,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:03,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822031609] [2025-03-04 11:12:03,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:03,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:03,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-04 11:12:03,337 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-04 11:12:03,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:03,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:03,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 11:12:03,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:03,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822031609] [2025-03-04 11:12:03,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822031609] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 11:12:03,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 11:12:03,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 11:12:03,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403104165] [2025-03-04 11:12:03,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 11:12:03,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 11:12:03,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:03,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 11:12:03,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 11:12:03,396 INFO L87 Difference]: Start difference. First operand has 72 states, 40 states have (on average 1.75) internal successors, (70), 63 states have internal predecessors, (70), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2025-03-04 11:12:03,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:03,416 INFO L93 Difference]: Finished difference Result 140 states and 170 transitions. [2025-03-04 11:12:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 11:12:03,417 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2025-03-04 11:12:03,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:03,422 INFO L225 Difference]: With dead ends: 140 [2025-03-04 11:12:03,422 INFO L226 Difference]: Without dead ends: 64 [2025-03-04 11:12:03,425 INFO L434 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 [2025-03-04 11:12:03,428 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:03,430 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 11:12:03,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2025-03-04 11:12:03,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2025-03-04 11:12:03,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 34 states have (on average 1.7647058823529411) internal successors, (60), 57 states have internal predecessors, (60), 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) [2025-03-04 11:12:03,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 70 transitions. [2025-03-04 11:12:03,476 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 70 transitions. Word has length 6 [2025-03-04 11:12:03,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:03,477 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 70 transitions. [2025-03-04 11:12:03,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2025-03-04 11:12:03,477 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2025-03-04 11:12:03,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-04 11:12:03,478 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:03,478 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:12:03,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 11:12:03,478 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:03,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:03,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1606297948, now seen corresponding path program 1 times [2025-03-04 11:12:03,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:03,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037499370] [2025-03-04 11:12:03,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:03,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:03,489 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 11:12:03,502 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 11:12:03,502 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:03,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 11:12:03,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [151901218] [2025-03-04 11:12:03,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:03,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:03,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:12:03,507 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:12:03,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 11:12:03,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 11:12:03,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 11:12:03,554 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:03,554 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:03,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 11:12:03,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:12:03,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 11:12:03,608 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 11:12:03,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:03,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037499370] [2025-03-04 11:12:03,609 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 11:12:03,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151901218] [2025-03-04 11:12:03,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151901218] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 11:12:03,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 11:12:03,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 11:12:03,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792462376] [2025-03-04 11:12:03,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 11:12:03,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 11:12:03,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:03,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 11:12:03,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 11:12:03,611 INFO L87 Difference]: Start difference. First operand 64 states and 70 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-03-04 11:12:03,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:03,716 INFO L93 Difference]: Finished difference Result 133 states and 154 transitions. [2025-03-04 11:12:03,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 11:12:03,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 15 [2025-03-04 11:12:03,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:03,717 INFO L225 Difference]: With dead ends: 133 [2025-03-04 11:12:03,718 INFO L226 Difference]: Without dead ends: 85 [2025-03-04 11:12:03,718 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 11:12:03,719 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 15 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 93 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 [2025-03-04 11:12:03,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 93 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 11:12:03,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2025-03-04 11:12:03,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 83. [2025-03-04 11:12:03,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 48 states have (on average 1.6875) internal successors, (81), 71 states have internal predecessors, (81), 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) [2025-03-04 11:12:03,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 101 transitions. [2025-03-04 11:12:03,730 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 101 transitions. Word has length 15 [2025-03-04 11:12:03,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:03,731 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 101 transitions. [2025-03-04 11:12:03,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-03-04 11:12:03,731 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 101 transitions. [2025-03-04 11:12:03,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-03-04 11:12:03,732 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:03,732 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:12:03,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 11:12:03,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:03,936 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:03,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:03,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1479458051, now seen corresponding path program 1 times [2025-03-04 11:12:03,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:03,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796151316] [2025-03-04 11:12:03,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:03,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:03,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-04 11:12:03,958 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-04 11:12:03,958 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:03,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 11:12:03,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1367412636] [2025-03-04 11:12:03,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:03,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:03,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:12:03,961 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:12:03,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 11:12:03,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-04 11:12:04,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-04 11:12:04,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:04,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:04,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 11:12:04,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:12:04,019 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 11:12:04,019 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 11:12:04,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:04,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796151316] [2025-03-04 11:12:04,020 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 11:12:04,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367412636] [2025-03-04 11:12:04,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367412636] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 11:12:04,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 11:12:04,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 11:12:04,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937817425] [2025-03-04 11:12:04,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 11:12:04,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 11:12:04,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:04,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 11:12:04,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 11:12:04,021 INFO L87 Difference]: Start difference. First operand 83 states and 101 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2025-03-04 11:12:04,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:04,073 INFO L93 Difference]: Finished difference Result 117 states and 144 transitions. [2025-03-04 11:12:04,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 11:12:04,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 23 [2025-03-04 11:12:04,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:04,075 INFO L225 Difference]: With dead ends: 117 [2025-03-04 11:12:04,075 INFO L226 Difference]: Without dead ends: 113 [2025-03-04 11:12:04,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 11:12:04,075 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 39 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 87 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 [2025-03-04 11:12:04,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 87 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 11:12:04,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2025-03-04 11:12:04,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 99. [2025-03-04 11:12:04,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 62 states have (on average 1.6612903225806452) internal successors, (103), 85 states have internal predecessors, (103), 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) [2025-03-04 11:12:04,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 127 transitions. [2025-03-04 11:12:04,089 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 127 transitions. Word has length 23 [2025-03-04 11:12:04,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:04,089 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 127 transitions. [2025-03-04 11:12:04,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2025-03-04 11:12:04,090 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 127 transitions. [2025-03-04 11:12:04,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-03-04 11:12:04,090 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:04,090 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:12:04,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-04 11:12:04,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2025-03-04 11:12:04,291 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:04,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:04,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1479458011, now seen corresponding path program 1 times [2025-03-04 11:12:04,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:04,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019450686] [2025-03-04 11:12:04,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:04,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:04,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-04 11:12:04,302 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-04 11:12:04,302 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:04,302 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:04,381 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 11:12:04,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:04,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019450686] [2025-03-04 11:12:04,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019450686] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 11:12:04,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 11:12:04,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 11:12:04,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399696969] [2025-03-04 11:12:04,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 11:12:04,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 11:12:04,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:04,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 11:12:04,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 11:12:04,384 INFO L87 Difference]: Start difference. First operand 99 states and 127 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2025-03-04 11:12:04,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:04,438 INFO L93 Difference]: Finished difference Result 107 states and 132 transitions. [2025-03-04 11:12:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 11:12:04,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 23 [2025-03-04 11:12:04,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:04,440 INFO L225 Difference]: With dead ends: 107 [2025-03-04 11:12:04,440 INFO L226 Difference]: Without dead ends: 105 [2025-03-04 11:12:04,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 11:12:04,441 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 14 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:04,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 106 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 11:12:04,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2025-03-04 11:12:04,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 99. [2025-03-04 11:12:04,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 62 states have (on average 1.6290322580645162) internal successors, (101), 85 states have internal predecessors, (101), 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) [2025-03-04 11:12:04,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 125 transitions. [2025-03-04 11:12:04,448 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 125 transitions. Word has length 23 [2025-03-04 11:12:04,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:04,448 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 125 transitions. [2025-03-04 11:12:04,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2025-03-04 11:12:04,448 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 125 transitions. [2025-03-04 11:12:04,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-04 11:12:04,449 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:04,449 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:12:04,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 11:12:04,449 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:04,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:04,450 INFO L85 PathProgramCache]: Analyzing trace with hash -125011621, now seen corresponding path program 1 times [2025-03-04 11:12:04,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:04,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757181086] [2025-03-04 11:12:04,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:04,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:04,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-04 11:12:04,460 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-04 11:12:04,461 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:04,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:04,580 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 11:12:04,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:04,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757181086] [2025-03-04 11:12:04,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757181086] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 11:12:04,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 11:12:04,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 11:12:04,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944111401] [2025-03-04 11:12:04,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 11:12:04,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 11:12:04,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:04,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 11:12:04,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-04 11:12:04,582 INFO L87 Difference]: Start difference. First operand 99 states and 125 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 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) [2025-03-04 11:12:04,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:04,727 INFO L93 Difference]: Finished difference Result 114 states and 138 transitions. [2025-03-04 11:12:04,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 11:12:04,728 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 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 [2025-03-04 11:12:04,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:04,730 INFO L225 Difference]: With dead ends: 114 [2025-03-04 11:12:04,730 INFO L226 Difference]: Without dead ends: 113 [2025-03-04 11:12:04,732 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2025-03-04 11:12:04,733 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 171 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:04,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 94 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 11:12:04,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2025-03-04 11:12:04,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 102. [2025-03-04 11:12:04,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 65 states have (on average 1.6) internal successors, (104), 88 states have internal predecessors, (104), 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) [2025-03-04 11:12:04,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 128 transitions. [2025-03-04 11:12:04,743 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 128 transitions. Word has length 25 [2025-03-04 11:12:04,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:04,743 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 128 transitions. [2025-03-04 11:12:04,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 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) [2025-03-04 11:12:04,743 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 128 transitions. [2025-03-04 11:12:04,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-04 11:12:04,743 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:04,743 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:12:04,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 11:12:04,747 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:04,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:04,747 INFO L85 PathProgramCache]: Analyzing trace with hash 419607054, now seen corresponding path program 1 times [2025-03-04 11:12:04,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:04,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422336595] [2025-03-04 11:12:04,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:04,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:04,752 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-04 11:12:04,757 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-04 11:12:04,757 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:04,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:04,819 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 11:12:04,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:04,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422336595] [2025-03-04 11:12:04,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422336595] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 11:12:04,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 11:12:04,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 11:12:04,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506232709] [2025-03-04 11:12:04,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 11:12:04,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 11:12:04,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:04,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 11:12:04,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 11:12:04,821 INFO L87 Difference]: Start difference. First operand 102 states and 128 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 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) [2025-03-04 11:12:05,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:05,011 INFO L93 Difference]: Finished difference Result 113 states and 140 transitions. [2025-03-04 11:12:05,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 11:12:05,011 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 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 26 [2025-03-04 11:12:05,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:05,012 INFO L225 Difference]: With dead ends: 113 [2025-03-04 11:12:05,013 INFO L226 Difference]: Without dead ends: 112 [2025-03-04 11:12:05,014 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-04 11:12:05,014 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 49 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:05,014 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 148 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 11:12:05,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2025-03-04 11:12:05,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 107. [2025-03-04 11:12:05,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 70 states have (on average 1.542857142857143) internal successors, (108), 93 states have internal predecessors, (108), 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) [2025-03-04 11:12:05,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2025-03-04 11:12:05,032 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 26 [2025-03-04 11:12:05,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:05,055 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2025-03-04 11:12:05,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 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) [2025-03-04 11:12:05,055 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2025-03-04 11:12:05,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-03-04 11:12:05,055 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:05,055 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:12:05,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 11:12:05,056 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:05,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:05,056 INFO L85 PathProgramCache]: Analyzing trace with hash 318596564, now seen corresponding path program 1 times [2025-03-04 11:12:05,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:05,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653766118] [2025-03-04 11:12:05,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:05,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:05,060 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-04 11:12:05,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-04 11:12:05,073 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:05,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 11:12:05,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1592959643] [2025-03-04 11:12:05,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:05,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:05,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:12:05,077 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:12:05,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 11:12:05,104 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-04 11:12:05,117 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-04 11:12:05,117 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:05,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:05,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 11:12:05,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:12:05,187 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 11:12:05,187 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 11:12:05,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:05,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653766118] [2025-03-04 11:12:05,188 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 11:12:05,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592959643] [2025-03-04 11:12:05,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592959643] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 11:12:05,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 11:12:05,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 11:12:05,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212086327] [2025-03-04 11:12:05,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 11:12:05,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 11:12:05,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:05,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 11:12:05,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 11:12:05,189 INFO L87 Difference]: Start difference. First operand 107 states and 132 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) [2025-03-04 11:12:05,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:05,252 INFO L93 Difference]: Finished difference Result 118 states and 147 transitions. [2025-03-04 11:12:05,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 11:12:05,252 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 [2025-03-04 11:12:05,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:05,253 INFO L225 Difference]: With dead ends: 118 [2025-03-04 11:12:05,253 INFO L226 Difference]: Without dead ends: 108 [2025-03-04 11:12:05,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 11:12:05,254 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 45 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 86 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 [2025-03-04 11:12:05,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 86 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 11:12:05,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2025-03-04 11:12:05,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2025-03-04 11:12:05,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 73 states have (on average 1.452054794520548) internal successors, (106), 92 states have internal predecessors, (106), 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) [2025-03-04 11:12:05,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 134 transitions. [2025-03-04 11:12:05,262 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 134 transitions. Word has length 37 [2025-03-04 11:12:05,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:05,262 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 134 transitions. [2025-03-04 11:12:05,263 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) [2025-03-04 11:12:05,263 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 134 transitions. [2025-03-04 11:12:05,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-04 11:12:05,263 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:05,263 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:12:05,273 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 11:12:05,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:05,464 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:05,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:05,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1286558921, now seen corresponding path program 1 times [2025-03-04 11:12:05,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:05,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172907963] [2025-03-04 11:12:05,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:05,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:05,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-04 11:12:05,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-04 11:12:05,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:05,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 11:12:05,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2033954166] [2025-03-04 11:12:05,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:05,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:05,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:12:05,479 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:12:05,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 11:12:05,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-04 11:12:05,515 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-04 11:12:05,515 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:05,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:05,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 11:12:05,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:12:05,592 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 11:12:05,592 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 11:12:05,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:05,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172907963] [2025-03-04 11:12:05,755 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 11:12:05,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033954166] [2025-03-04 11:12:05,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033954166] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:12:05,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 11:12:05,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-03-04 11:12:05,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430977002] [2025-03-04 11:12:05,755 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 11:12:05,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 11:12:05,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:05,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 11:12:05,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-04 11:12:05,756 INFO L87 Difference]: Start difference. First operand 108 states and 134 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (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) [2025-03-04 11:12:05,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:05,861 INFO L93 Difference]: Finished difference Result 179 states and 234 transitions. [2025-03-04 11:12:05,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 11:12:05,862 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 38 [2025-03-04 11:12:05,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:05,863 INFO L225 Difference]: With dead ends: 179 [2025-03-04 11:12:05,863 INFO L226 Difference]: Without dead ends: 175 [2025-03-04 11:12:05,863 INFO L434 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 [2025-03-04 11:12:05,864 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 41 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:05,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 119 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 11:12:05,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2025-03-04 11:12:05,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 163. [2025-03-04 11:12:05,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 119 states have (on average 1.4621848739495797) internal successors, (174), 138 states have internal predecessors, (174), 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) [2025-03-04 11:12:05,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 220 transitions. [2025-03-04 11:12:05,882 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 220 transitions. Word has length 38 [2025-03-04 11:12:05,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:05,882 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 220 transitions. [2025-03-04 11:12:05,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (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) [2025-03-04 11:12:05,882 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 220 transitions. [2025-03-04 11:12:05,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-04 11:12:05,883 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:05,883 INFO L218 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] [2025-03-04 11:12:05,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-04 11:12:06,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:06,084 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)] === [2025-03-04 11:12:06,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:06,084 INFO L85 PathProgramCache]: Analyzing trace with hash -259674666, now seen corresponding path program 1 times [2025-03-04 11:12:06,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:06,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114663889] [2025-03-04 11:12:06,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:06,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:06,089 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-04 11:12:06,105 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-04 11:12:06,105 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:06,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:06,186 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 11:12:06,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:06,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114663889] [2025-03-04 11:12:06,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114663889] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 11:12:06,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 11:12:06,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 11:12:06,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504280818] [2025-03-04 11:12:06,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 11:12:06,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 11:12:06,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:06,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 11:12:06,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-04 11:12:06,188 INFO L87 Difference]: Start difference. First operand 163 states and 220 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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) [2025-03-04 11:12:06,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:06,322 INFO L93 Difference]: Finished difference Result 175 states and 232 transitions. [2025-03-04 11:12:06,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 11:12:06,323 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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 42 [2025-03-04 11:12:06,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:06,324 INFO L225 Difference]: With dead ends: 175 [2025-03-04 11:12:06,324 INFO L226 Difference]: Without dead ends: 174 [2025-03-04 11:12:06,324 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2025-03-04 11:12:06,325 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 130 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:06,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 122 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 11:12:06,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2025-03-04 11:12:06,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 164. [2025-03-04 11:12:06,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 120 states have (on average 1.4583333333333333) internal successors, (175), 139 states have internal predecessors, (175), 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) [2025-03-04 11:12:06,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 221 transitions. [2025-03-04 11:12:06,347 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 221 transitions. Word has length 42 [2025-03-04 11:12:06,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:06,347 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 221 transitions. [2025-03-04 11:12:06,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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) [2025-03-04 11:12:06,347 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 221 transitions. [2025-03-04 11:12:06,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-04 11:12:06,348 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:06,348 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:12:06,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-04 11:12:06,348 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:06,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:06,348 INFO L85 PathProgramCache]: Analyzing trace with hash 540019921, now seen corresponding path program 1 times [2025-03-04 11:12:06,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:06,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670162062] [2025-03-04 11:12:06,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:06,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:06,357 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-04 11:12:06,362 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-04 11:12:06,362 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:06,362 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:06,432 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 11:12:06,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:06,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670162062] [2025-03-04 11:12:06,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670162062] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 11:12:06,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 11:12:06,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 11:12:06,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611688246] [2025-03-04 11:12:06,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 11:12:06,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 11:12:06,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:06,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 11:12:06,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 11:12:06,434 INFO L87 Difference]: Start difference. First operand 164 states and 221 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-04 11:12:06,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:06,533 INFO L93 Difference]: Finished difference Result 169 states and 225 transitions. [2025-03-04 11:12:06,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 11:12:06,534 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2025-03-04 11:12:06,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:06,535 INFO L225 Difference]: With dead ends: 169 [2025-03-04 11:12:06,535 INFO L226 Difference]: Without dead ends: 155 [2025-03-04 11:12:06,535 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-03-04 11:12:06,535 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 4 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:06,536 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 156 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 11:12:06,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2025-03-04 11:12:06,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2025-03-04 11:12:06,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 113 states have (on average 1.4778761061946903) internal successors, (167), 132 states have internal predecessors, (167), 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) [2025-03-04 11:12:06,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 209 transitions. [2025-03-04 11:12:06,548 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 209 transitions. Word has length 43 [2025-03-04 11:12:06,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:06,548 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 209 transitions. [2025-03-04 11:12:06,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-04 11:12:06,548 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 209 transitions. [2025-03-04 11:12:06,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-04 11:12:06,550 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:06,551 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:12:06,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-04 11:12:06,551 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:06,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:06,551 INFO L85 PathProgramCache]: Analyzing trace with hash 912433749, now seen corresponding path program 1 times [2025-03-04 11:12:06,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:06,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778473451] [2025-03-04 11:12:06,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:06,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:06,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-04 11:12:06,561 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-04 11:12:06,561 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:06,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:06,602 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-04 11:12:06,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:06,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778473451] [2025-03-04 11:12:06,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778473451] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:12:06,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856252898] [2025-03-04 11:12:06,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:06,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:06,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:12:06,611 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:12:06,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 11:12:06,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-04 11:12:06,647 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-04 11:12:06,648 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:06,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:06,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 11:12:06,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:12:06,683 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-04 11:12:06,683 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 11:12:06,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856252898] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 11:12:06,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 11:12:06,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-04 11:12:06,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305850891] [2025-03-04 11:12:06,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 11:12:06,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 11:12:06,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:06,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 11:12:06,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 11:12:06,684 INFO L87 Difference]: Start difference. First operand 155 states and 209 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-04 11:12:06,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:06,753 INFO L93 Difference]: Finished difference Result 235 states and 326 transitions. [2025-03-04 11:12:06,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 11:12:06,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2025-03-04 11:12:06,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:06,755 INFO L225 Difference]: With dead ends: 235 [2025-03-04 11:12:06,756 INFO L226 Difference]: Without dead ends: 233 [2025-03-04 11:12:06,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 11:12:06,756 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 42 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:06,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 122 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 11:12:06,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2025-03-04 11:12:06,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 212. [2025-03-04 11:12:06,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 163 states have (on average 1.4846625766871167) internal successors, (242), 181 states have internal predecessors, (242), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-04 11:12:06,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 300 transitions. [2025-03-04 11:12:06,776 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 300 transitions. Word has length 45 [2025-03-04 11:12:06,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:06,776 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 300 transitions. [2025-03-04 11:12:06,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-04 11:12:06,777 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 300 transitions. [2025-03-04 11:12:06,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-04 11:12:06,778 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:06,778 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:12:06,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-04 11:12:06,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-03-04 11:12:06,979 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:06,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:06,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1779324831, now seen corresponding path program 1 times [2025-03-04 11:12:06,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:06,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646952450] [2025-03-04 11:12:06,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:06,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:06,985 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-04 11:12:06,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-04 11:12:06,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:06,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:07,037 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-04 11:12:07,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:07,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646952450] [2025-03-04 11:12:07,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646952450] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:12:07,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805056984] [2025-03-04 11:12:07,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:07,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:07,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:12:07,039 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:12:07,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-04 11:12:07,062 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-04 11:12:07,075 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-04 11:12:07,075 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:07,075 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:07,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 11:12:07,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:12:07,105 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-04 11:12:07,105 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 11:12:07,153 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-04 11:12:07,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805056984] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 11:12:07,153 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 11:12:07,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-03-04 11:12:07,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192545129] [2025-03-04 11:12:07,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 11:12:07,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 11:12:07,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:07,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 11:12:07,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-04 11:12:07,155 INFO L87 Difference]: Start difference. First operand 212 states and 300 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 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) [2025-03-04 11:12:07,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:07,295 INFO L93 Difference]: Finished difference Result 351 states and 490 transitions. [2025-03-04 11:12:07,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 11:12:07,296 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 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 46 [2025-03-04 11:12:07,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:07,297 INFO L225 Difference]: With dead ends: 351 [2025-03-04 11:12:07,298 INFO L226 Difference]: Without dead ends: 349 [2025-03-04 11:12:07,299 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-04 11:12:07,299 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 138 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:07,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 185 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 11:12:07,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2025-03-04 11:12:07,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 304. [2025-03-04 11:12:07,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 239 states have (on average 1.4853556485355648) internal successors, (355), 257 states have internal predecessors, (355), 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) [2025-03-04 11:12:07,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 445 transitions. [2025-03-04 11:12:07,325 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 445 transitions. Word has length 46 [2025-03-04 11:12:07,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:07,325 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 445 transitions. [2025-03-04 11:12:07,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 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) [2025-03-04 11:12:07,325 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 445 transitions. [2025-03-04 11:12:07,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-04 11:12:07,326 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:07,326 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:12:07,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-04 11:12:07,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:07,527 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:07,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:07,527 INFO L85 PathProgramCache]: Analyzing trace with hash -535378722, now seen corresponding path program 1 times [2025-03-04 11:12:07,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:07,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187183423] [2025-03-04 11:12:07,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:07,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:07,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 11:12:07,538 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 11:12:07,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:07,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 11:12:07,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1024519728] [2025-03-04 11:12:07,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:07,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:07,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:12:07,543 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:12:07,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-04 11:12:07,570 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 11:12:07,586 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 11:12:07,586 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:07,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:07,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 11:12:07,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:12:07,665 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-03-04 11:12:07,666 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 11:12:07,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:07,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187183423] [2025-03-04 11:12:07,666 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 11:12:07,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024519728] [2025-03-04 11:12:07,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024519728] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 11:12:07,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 11:12:07,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 11:12:07,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15307937] [2025-03-04 11:12:07,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 11:12:07,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 11:12:07,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:07,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 11:12:07,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 11:12:07,667 INFO L87 Difference]: Start difference. First operand 304 states and 445 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2025-03-04 11:12:07,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:07,756 INFO L93 Difference]: Finished difference Result 323 states and 470 transitions. [2025-03-04 11:12:07,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 11:12:07,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 48 [2025-03-04 11:12:07,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:07,759 INFO L225 Difference]: With dead ends: 323 [2025-03-04 11:12:07,759 INFO L226 Difference]: Without dead ends: 317 [2025-03-04 11:12:07,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 11:12:07,760 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 101 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:07,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 78 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 11:12:07,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2025-03-04 11:12:07,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 301. [2025-03-04 11:12:07,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 236 states have (on average 1.4533898305084745) internal successors, (343), 254 states have internal predecessors, (343), 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) [2025-03-04 11:12:07,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 433 transitions. [2025-03-04 11:12:07,781 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 433 transitions. Word has length 48 [2025-03-04 11:12:07,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:07,781 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 433 transitions. [2025-03-04 11:12:07,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2025-03-04 11:12:07,781 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 433 transitions. [2025-03-04 11:12:07,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-03-04 11:12:07,782 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:07,782 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-03-04 11:12:07,788 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-04 11:12:07,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:07,986 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:07,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:07,986 INFO L85 PathProgramCache]: Analyzing trace with hash 380481433, now seen corresponding path program 2 times [2025-03-04 11:12:07,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:07,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577666002] [2025-03-04 11:12:07,987 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 11:12:07,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:07,991 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 60 statements into 2 equivalence classes. [2025-03-04 11:12:07,999 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 60 of 60 statements. [2025-03-04 11:12:08,000 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 11:12:08,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 11:12:08,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1242946238] [2025-03-04 11:12:08,000 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 11:12:08,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:08,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:12:08,003 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:12:08,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-04 11:12:08,026 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 60 statements into 2 equivalence classes. [2025-03-04 11:12:08,050 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 60 of 60 statements. [2025-03-04 11:12:08,050 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 11:12:08,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:08,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 11:12:08,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:12:08,137 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 11:12:08,137 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 11:12:08,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:08,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577666002] [2025-03-04 11:12:08,255 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 11:12:08,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242946238] [2025-03-04 11:12:08,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242946238] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:12:08,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 11:12:08,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-04 11:12:08,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401205278] [2025-03-04 11:12:08,255 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 11:12:08,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 11:12:08,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:08,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 11:12:08,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-04 11:12:08,256 INFO L87 Difference]: Start difference. First operand 301 states and 433 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) [2025-03-04 11:12:08,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:08,375 INFO L93 Difference]: Finished difference Result 390 states and 558 transitions. [2025-03-04 11:12:08,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 11:12:08,375 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 [2025-03-04 11:12:08,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:08,377 INFO L225 Difference]: With dead ends: 390 [2025-03-04 11:12:08,377 INFO L226 Difference]: Without dead ends: 386 [2025-03-04 11:12:08,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-04 11:12:08,379 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 54 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:08,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 156 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 11:12:08,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2025-03-04 11:12:08,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 301. [2025-03-04 11:12:08,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 236 states have (on average 1.444915254237288) internal successors, (341), 254 states have internal predecessors, (341), 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) [2025-03-04 11:12:08,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 431 transitions. [2025-03-04 11:12:08,409 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 431 transitions. Word has length 60 [2025-03-04 11:12:08,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:08,409 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 431 transitions. [2025-03-04 11:12:08,409 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) [2025-03-04 11:12:08,409 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 431 transitions. [2025-03-04 11:12:08,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-03-04 11:12:08,410 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:08,411 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2025-03-04 11:12:08,417 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-04 11:12:08,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-03-04 11:12:08,615 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:08,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:08,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1442874976, now seen corresponding path program 1 times [2025-03-04 11:12:08,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:08,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350875256] [2025-03-04 11:12:08,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:08,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:08,620 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-04 11:12:08,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-04 11:12:08,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:08,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:08,650 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-04 11:12:08,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:08,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350875256] [2025-03-04 11:12:08,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350875256] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 11:12:08,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 11:12:08,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 11:12:08,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522561851] [2025-03-04 11:12:08,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 11:12:08,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 11:12:08,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:08,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 11:12:08,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 11:12:08,651 INFO L87 Difference]: Start difference. First operand 301 states and 431 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (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) [2025-03-04 11:12:08,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:08,692 INFO L93 Difference]: Finished difference Result 301 states and 431 transitions. [2025-03-04 11:12:08,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 11:12:08,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (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 [2025-03-04 11:12:08,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:08,694 INFO L225 Difference]: With dead ends: 301 [2025-03-04 11:12:08,694 INFO L226 Difference]: Without dead ends: 300 [2025-03-04 11:12:08,695 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 11:12:08,695 INFO L435 NwaCegarLoop]: 58 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, 95 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 [2025-03-04 11:12:08,696 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 95 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 11:12:08,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2025-03-04 11:12:08,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 300. [2025-03-04 11:12:08,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 236 states have (on average 1.4194915254237288) internal successors, (335), 253 states have internal predecessors, (335), 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) [2025-03-04 11:12:08,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 425 transitions. [2025-03-04 11:12:08,713 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 425 transitions. Word has length 67 [2025-03-04 11:12:08,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:08,713 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 425 transitions. [2025-03-04 11:12:08,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (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) [2025-03-04 11:12:08,713 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 425 transitions. [2025-03-04 11:12:08,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-04 11:12:08,714 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:08,714 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2025-03-04 11:12:08,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-04 11:12:08,714 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:08,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:08,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1779451283, now seen corresponding path program 1 times [2025-03-04 11:12:08,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:08,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817973443] [2025-03-04 11:12:08,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:08,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:08,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-04 11:12:08,723 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-04 11:12:08,723 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:08,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:08,847 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 11:12:08,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:08,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817973443] [2025-03-04 11:12:08,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817973443] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:12:08,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627785053] [2025-03-04 11:12:08,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:08,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:08,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:12:08,849 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:12:08,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-04 11:12:08,871 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-04 11:12:08,885 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-04 11:12:08,885 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:08,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:08,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 11:12:08,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:12:08,995 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 11:12:08,995 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 11:12:08,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627785053] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 11:12:08,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 11:12:08,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-03-04 11:12:08,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976871529] [2025-03-04 11:12:08,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 11:12:08,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 11:12:08,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:08,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 11:12:08,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-04 11:12:08,996 INFO L87 Difference]: Start difference. First operand 300 states and 425 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 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) [2025-03-04 11:12:09,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:09,090 INFO L93 Difference]: Finished difference Result 318 states and 440 transitions. [2025-03-04 11:12:09,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 11:12:09,090 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 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 [2025-03-04 11:12:09,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:09,092 INFO L225 Difference]: With dead ends: 318 [2025-03-04 11:12:09,092 INFO L226 Difference]: Without dead ends: 317 [2025-03-04 11:12:09,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2025-03-04 11:12:09,093 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 119 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:09,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 122 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 11:12:09,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2025-03-04 11:12:09,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 300. [2025-03-04 11:12:09,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 236 states have (on average 1.4067796610169492) internal successors, (332), 253 states have internal predecessors, (332), 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) [2025-03-04 11:12:09,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 422 transitions. [2025-03-04 11:12:09,112 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 422 transitions. Word has length 68 [2025-03-04 11:12:09,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:09,112 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 422 transitions. [2025-03-04 11:12:09,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 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) [2025-03-04 11:12:09,113 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 422 transitions. [2025-03-04 11:12:09,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-04 11:12:09,114 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:09,114 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:12:09,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-04 11:12:09,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-04 11:12:09,315 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:09,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:09,315 INFO L85 PathProgramCache]: Analyzing trace with hash -671585090, now seen corresponding path program 1 times [2025-03-04 11:12:09,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:09,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100122244] [2025-03-04 11:12:09,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:09,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:09,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-04 11:12:09,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-04 11:12:09,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:09,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:09,440 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 11:12:09,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:09,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100122244] [2025-03-04 11:12:09,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100122244] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:12:09,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457500514] [2025-03-04 11:12:09,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:09,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:09,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:12:09,442 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:12:09,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-04 11:12:09,465 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-04 11:12:09,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-04 11:12:09,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:09,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:09,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 11:12:09,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:12:09,615 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-04 11:12:09,615 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 11:12:09,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457500514] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 11:12:09,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 11:12:09,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-03-04 11:12:09,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24208253] [2025-03-04 11:12:09,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 11:12:09,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 11:12:09,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:09,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 11:12:09,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-03-04 11:12:09,616 INFO L87 Difference]: Start difference. First operand 300 states and 422 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 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) [2025-03-04 11:12:09,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:09,726 INFO L93 Difference]: Finished difference Result 319 states and 443 transitions. [2025-03-04 11:12:09,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 11:12:09,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 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 69 [2025-03-04 11:12:09,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:09,728 INFO L225 Difference]: With dead ends: 319 [2025-03-04 11:12:09,728 INFO L226 Difference]: Without dead ends: 318 [2025-03-04 11:12:09,728 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-03-04 11:12:09,728 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 44 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:09,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 110 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 11:12:09,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2025-03-04 11:12:09,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 309. [2025-03-04 11:12:09,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 245 states have (on average 1.3918367346938776) internal successors, (341), 262 states have internal predecessors, (341), 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) [2025-03-04 11:12:09,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 431 transitions. [2025-03-04 11:12:09,749 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 431 transitions. Word has length 69 [2025-03-04 11:12:09,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:09,750 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 431 transitions. [2025-03-04 11:12:09,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 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) [2025-03-04 11:12:09,750 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 431 transitions. [2025-03-04 11:12:09,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-03-04 11:12:09,750 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:09,750 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:12:09,757 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-04 11:12:09,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-04 11:12:09,951 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:09,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:09,951 INFO L85 PathProgramCache]: Analyzing trace with hash 655698673, now seen corresponding path program 1 times [2025-03-04 11:12:09,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:09,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536139773] [2025-03-04 11:12:09,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:09,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:09,956 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-04 11:12:09,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-04 11:12:09,962 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:09,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:10,056 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 11:12:10,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:10,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536139773] [2025-03-04 11:12:10,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536139773] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:12:10,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598355054] [2025-03-04 11:12:10,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:10,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:10,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:12:10,058 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:12:10,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-04 11:12:10,080 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-04 11:12:10,093 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-04 11:12:10,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:10,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:10,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 11:12:10,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:12:10,176 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-04 11:12:10,176 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 11:12:10,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598355054] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 11:12:10,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 11:12:10,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-03-04 11:12:10,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234878421] [2025-03-04 11:12:10,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 11:12:10,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 11:12:10,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:10,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 11:12:10,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-04 11:12:10,178 INFO L87 Difference]: Start difference. First operand 309 states and 431 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (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) [2025-03-04 11:12:10,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:10,251 INFO L93 Difference]: Finished difference Result 318 states and 437 transitions. [2025-03-04 11:12:10,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 11:12:10,252 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (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 [2025-03-04 11:12:10,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:10,253 INFO L225 Difference]: With dead ends: 318 [2025-03-04 11:12:10,253 INFO L226 Difference]: Without dead ends: 316 [2025-03-04 11:12:10,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-04 11:12:10,254 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 30 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:10,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 75 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 11:12:10,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2025-03-04 11:12:10,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 312. [2025-03-04 11:12:10,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 248 states have (on average 1.3588709677419355) internal successors, (337), 265 states have internal predecessors, (337), 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) [2025-03-04 11:12:10,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 427 transitions. [2025-03-04 11:12:10,274 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 427 transitions. Word has length 70 [2025-03-04 11:12:10,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:10,275 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 427 transitions. [2025-03-04 11:12:10,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (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) [2025-03-04 11:12:10,275 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 427 transitions. [2025-03-04 11:12:10,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-04 11:12:10,275 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:10,276 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:12:10,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-03-04 11:12:10,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-03-04 11:12:10,480 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:10,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:10,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1148177602, now seen corresponding path program 1 times [2025-03-04 11:12:10,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:10,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138867988] [2025-03-04 11:12:10,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:10,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:10,487 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-04 11:12:10,494 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-04 11:12:10,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:10,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 11:12:10,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [561205385] [2025-03-04 11:12:10,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:10,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:10,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:12:10,496 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:12:10,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-04 11:12:10,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-04 11:12:10,534 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-04 11:12:10,534 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:10,534 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:10,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 11:12:10,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:12:10,740 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-04 11:12:10,740 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 11:12:11,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:11,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138867988] [2025-03-04 11:12:11,157 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 11:12:11,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561205385] [2025-03-04 11:12:11,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561205385] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:12:11,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 11:12:11,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-04 11:12:11,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154530007] [2025-03-04 11:12:11,157 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 11:12:11,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 11:12:11,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:11,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 11:12:11,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-03-04 11:12:11,157 INFO L87 Difference]: Start difference. First operand 312 states and 427 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) [2025-03-04 11:12:11,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:11,241 INFO L93 Difference]: Finished difference Result 390 states and 547 transitions. [2025-03-04 11:12:11,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 11:12:11,242 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 71 [2025-03-04 11:12:11,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:11,243 INFO L225 Difference]: With dead ends: 390 [2025-03-04 11:12:11,243 INFO L226 Difference]: Without dead ends: 389 [2025-03-04 11:12:11,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-03-04 11:12:11,244 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 52 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:11,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 85 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 11:12:11,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2025-03-04 11:12:11,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 366. [2025-03-04 11:12:11,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 296 states have (on average 1.3783783783783783) internal successors, (408), 313 states have internal predecessors, (408), 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) [2025-03-04 11:12:11,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 510 transitions. [2025-03-04 11:12:11,265 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 510 transitions. Word has length 71 [2025-03-04 11:12:11,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:11,265 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 510 transitions. [2025-03-04 11:12:11,265 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) [2025-03-04 11:12:11,265 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 510 transitions. [2025-03-04 11:12:11,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-03-04 11:12:11,266 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:11,266 INFO L218 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, 1, 1] [2025-03-04 11:12:11,271 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-03-04 11:12:11,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:11,466 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:11,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:11,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1233767281, now seen corresponding path program 1 times [2025-03-04 11:12:11,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:11,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61466849] [2025-03-04 11:12:11,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:11,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:11,470 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-04 11:12:11,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-04 11:12:11,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:11,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 11:12:11,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [174029563] [2025-03-04 11:12:11,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:11,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:11,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:12:11,479 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:12:11,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-04 11:12:11,500 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-04 11:12:11,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-04 11:12:11,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:11,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:11,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 11:12:11,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:12:11,639 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-04 11:12:11,639 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 11:12:11,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:11,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61466849] [2025-03-04 11:12:11,943 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 11:12:11,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174029563] [2025-03-04 11:12:11,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174029563] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:12:11,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 11:12:11,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-04 11:12:11,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823096306] [2025-03-04 11:12:11,943 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 11:12:11,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 11:12:11,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:11,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 11:12:11,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-04 11:12:11,944 INFO L87 Difference]: Start difference. First operand 366 states and 510 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) [2025-03-04 11:12:12,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:12,021 INFO L93 Difference]: Finished difference Result 370 states and 510 transitions. [2025-03-04 11:12:12,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 11:12:12,021 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 72 [2025-03-04 11:12:12,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:12,023 INFO L225 Difference]: With dead ends: 370 [2025-03-04 11:12:12,023 INFO L226 Difference]: Without dead ends: 367 [2025-03-04 11:12:12,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-04 11:12:12,024 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 46 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:12,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 88 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 11:12:12,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2025-03-04 11:12:12,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 364. [2025-03-04 11:12:12,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 296 states have (on average 1.3006756756756757) internal successors, (385), 311 states have internal predecessors, (385), 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) [2025-03-04 11:12:12,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 487 transitions. [2025-03-04 11:12:12,041 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 487 transitions. Word has length 72 [2025-03-04 11:12:12,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:12,042 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 487 transitions. [2025-03-04 11:12:12,042 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) [2025-03-04 11:12:12,042 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 487 transitions. [2025-03-04 11:12:12,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-03-04 11:12:12,042 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:12,042 INFO L218 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, 1] [2025-03-04 11:12:12,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-04 11:12:12,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2025-03-04 11:12:12,243 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:12,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:12,243 INFO L85 PathProgramCache]: Analyzing trace with hash 407919964, now seen corresponding path program 1 times [2025-03-04 11:12:12,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:12,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667585307] [2025-03-04 11:12:12,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:12,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:12,251 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-04 11:12:12,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-04 11:12:12,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:12,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:12,302 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-04 11:12:12,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:12,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667585307] [2025-03-04 11:12:12,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667585307] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 11:12:12,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 11:12:12,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 11:12:12,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392848325] [2025-03-04 11:12:12,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 11:12:12,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 11:12:12,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:12,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 11:12:12,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 11:12:12,303 INFO L87 Difference]: Start difference. First operand 364 states and 487 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) [2025-03-04 11:12:12,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:12,425 INFO L93 Difference]: Finished difference Result 366 states and 487 transitions. [2025-03-04 11:12:12,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 11:12:12,425 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 73 [2025-03-04 11:12:12,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:12,427 INFO L225 Difference]: With dead ends: 366 [2025-03-04 11:12:12,427 INFO L226 Difference]: Without dead ends: 365 [2025-03-04 11:12:12,427 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-04 11:12:12,427 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 48 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:12,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 135 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 11:12:12,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2025-03-04 11:12:12,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 363. [2025-03-04 11:12:12,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 296 states have (on average 1.2702702702702702) internal successors, (376), 310 states have internal predecessors, (376), 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) [2025-03-04 11:12:12,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 478 transitions. [2025-03-04 11:12:12,445 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 478 transitions. Word has length 73 [2025-03-04 11:12:12,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:12,445 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 478 transitions. [2025-03-04 11:12:12,445 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) [2025-03-04 11:12:12,445 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 478 transitions. [2025-03-04 11:12:12,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-04 11:12:12,446 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:12,446 INFO L218 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, 1] [2025-03-04 11:12:12,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-04 11:12:12,446 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:12,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:12,446 INFO L85 PathProgramCache]: Analyzing trace with hash -239382995, now seen corresponding path program 1 times [2025-03-04 11:12:12,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:12,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798663726] [2025-03-04 11:12:12,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:12,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:12,449 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 11:12:12,452 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 11:12:12,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:12,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:12,560 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 11:12:12,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:12,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798663726] [2025-03-04 11:12:12,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798663726] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:12:12,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661440471] [2025-03-04 11:12:12,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:12,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:12,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:12:12,564 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:12:12,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-04 11:12:12,585 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 11:12:12,600 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 11:12:12,600 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:12,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:12,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-04 11:12:12,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:12:12,880 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 11:12:12,880 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 11:12:21,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661440471] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:12:21,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 11:12:21,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-04 11:12:21,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030267016] [2025-03-04 11:12:21,352 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 11:12:21,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-04 11:12:21,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:21,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-04 11:12:21,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=313, Unknown=2, NotChecked=0, Total=380 [2025-03-04 11:12:21,352 INFO L87 Difference]: Start difference. First operand 363 states and 478 transitions. Second operand has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 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) [2025-03-04 11:12:22,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:22,288 INFO L93 Difference]: Finished difference Result 645 states and 870 transitions. [2025-03-04 11:12:22,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-03-04 11:12:22,292 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 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 74 [2025-03-04 11:12:22,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:22,295 INFO L225 Difference]: With dead ends: 645 [2025-03-04 11:12:22,295 INFO L226 Difference]: Without dead ends: 640 [2025-03-04 11:12:22,295 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=307, Invalid=1097, Unknown=2, NotChecked=0, Total=1406 [2025-03-04 11:12:22,297 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 343 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:22,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 296 Invalid, 890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 11:12:22,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2025-03-04 11:12:22,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 490. [2025-03-04 11:12:22,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 407 states have (on average 1.2604422604422605) internal successors, (513), 421 states have internal predecessors, (513), 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) [2025-03-04 11:12:22,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 647 transitions. [2025-03-04 11:12:22,342 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 647 transitions. Word has length 74 [2025-03-04 11:12:22,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:22,342 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 647 transitions. [2025-03-04 11:12:22,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 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) [2025-03-04 11:12:22,344 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 647 transitions. [2025-03-04 11:12:22,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-03-04 11:12:22,346 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:22,346 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2025-03-04 11:12:22,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-03-04 11:12:22,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:22,547 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:22,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:22,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1236330583, now seen corresponding path program 1 times [2025-03-04 11:12:22,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:22,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955032764] [2025-03-04 11:12:22,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:22,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:22,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-04 11:12:22,562 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-04 11:12:22,563 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:22,563 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 11:12:22,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1377411887] [2025-03-04 11:12:22,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:22,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:22,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:12:22,565 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:12:22,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-04 11:12:22,594 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-04 11:12:22,611 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-04 11:12:22,611 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:22,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:22,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-04 11:12:22,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:12:22,818 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2025-03-04 11:12:22,819 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 11:12:23,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:23,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955032764] [2025-03-04 11:12:23,188 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 11:12:23,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377411887] [2025-03-04 11:12:23,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377411887] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:12:23,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 11:12:23,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-04 11:12:23,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427882722] [2025-03-04 11:12:23,189 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 11:12:23,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 11:12:23,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:23,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 11:12:23,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2025-03-04 11:12:23,190 INFO L87 Difference]: Start difference. First operand 490 states and 647 transitions. Second operand has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-03-04 11:12:23,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:23,494 INFO L93 Difference]: Finished difference Result 510 states and 659 transitions. [2025-03-04 11:12:23,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 11:12:23,494 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 88 [2025-03-04 11:12:23,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:23,496 INFO L225 Difference]: With dead ends: 510 [2025-03-04 11:12:23,496 INFO L226 Difference]: Without dead ends: 395 [2025-03-04 11:12:23,496 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2025-03-04 11:12:23,497 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 12 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:23,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 165 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 11:12:23,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2025-03-04 11:12:23,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 393. [2025-03-04 11:12:23,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 322 states have (on average 1.2484472049689441) internal successors, (402), 336 states have internal predecessors, (402), 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) [2025-03-04 11:12:23,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 512 transitions. [2025-03-04 11:12:23,516 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 512 transitions. Word has length 88 [2025-03-04 11:12:23,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:23,516 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 512 transitions. [2025-03-04 11:12:23,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-03-04 11:12:23,516 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 512 transitions. [2025-03-04 11:12:23,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-03-04 11:12:23,517 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:23,517 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:12:23,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-03-04 11:12:23,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:23,718 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:23,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:23,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1592251403, now seen corresponding path program 1 times [2025-03-04 11:12:23,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:23,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147108491] [2025-03-04 11:12:23,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:23,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:23,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-03-04 11:12:23,727 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-03-04 11:12:23,727 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:23,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:23,765 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-03-04 11:12:23,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:23,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147108491] [2025-03-04 11:12:23,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147108491] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 11:12:23,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 11:12:23,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 11:12:23,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143004794] [2025-03-04 11:12:23,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 11:12:23,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 11:12:23,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:23,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 11:12:23,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 11:12:23,766 INFO L87 Difference]: Start difference. First operand 393 states and 512 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) [2025-03-04 11:12:23,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:23,870 INFO L93 Difference]: Finished difference Result 395 states and 512 transitions. [2025-03-04 11:12:23,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 11:12:23,870 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 90 [2025-03-04 11:12:23,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:23,872 INFO L225 Difference]: With dead ends: 395 [2025-03-04 11:12:23,872 INFO L226 Difference]: Without dead ends: 364 [2025-03-04 11:12:23,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-04 11:12:23,872 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 22 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:23,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 175 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 11:12:23,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2025-03-04 11:12:23,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 362. [2025-03-04 11:12:23,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 296 states have (on average 1.2635135135135136) internal successors, (374), 309 states have internal predecessors, (374), 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) [2025-03-04 11:12:23,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 476 transitions. [2025-03-04 11:12:23,890 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 476 transitions. Word has length 90 [2025-03-04 11:12:23,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:23,891 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 476 transitions. [2025-03-04 11:12:23,891 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) [2025-03-04 11:12:23,891 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 476 transitions. [2025-03-04 11:12:23,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-04 11:12:23,891 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:23,891 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1] [2025-03-04 11:12:23,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-04 11:12:23,893 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:23,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:23,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1901115329, now seen corresponding path program 1 times [2025-03-04 11:12:23,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:23,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183369446] [2025-03-04 11:12:23,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:23,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:23,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-04 11:12:23,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-04 11:12:23,899 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:23,899 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:23,944 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-04 11:12:23,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:23,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183369446] [2025-03-04 11:12:23,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183369446] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:12:23,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448808976] [2025-03-04 11:12:23,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:23,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:23,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:12:23,946 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:12:23,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-04 11:12:23,970 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-04 11:12:23,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-04 11:12:23,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:23,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:23,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 11:12:23,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:12:24,029 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-04 11:12:24,029 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 11:12:24,129 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-04 11:12:24,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448808976] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 11:12:24,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 11:12:24,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-03-04 11:12:24,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668579392] [2025-03-04 11:12:24,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 11:12:24,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 11:12:24,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:24,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 11:12:24,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-03-04 11:12:24,131 INFO L87 Difference]: Start difference. First operand 362 states and 476 transitions. Second operand has 11 states, 10 states have (on average 7.2) internal successors, (72), 11 states have internal predecessors, (72), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-03-04 11:12:24,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:24,340 INFO L93 Difference]: Finished difference Result 741 states and 972 transitions. [2025-03-04 11:12:24,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 11:12:24,340 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.2) internal successors, (72), 11 states have internal predecessors, (72), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 92 [2025-03-04 11:12:24,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:24,343 INFO L225 Difference]: With dead ends: 741 [2025-03-04 11:12:24,343 INFO L226 Difference]: Without dead ends: 739 [2025-03-04 11:12:24,343 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-03-04 11:12:24,343 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 249 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:24,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 285 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 11:12:24,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2025-03-04 11:12:24,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 500. [2025-03-04 11:12:24,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 410 states have (on average 1.2682926829268293) internal successors, (520), 423 states have internal predecessors, (520), 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) [2025-03-04 11:12:24,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 670 transitions. [2025-03-04 11:12:24,376 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 670 transitions. Word has length 92 [2025-03-04 11:12:24,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:24,376 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 670 transitions. [2025-03-04 11:12:24,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.2) internal successors, (72), 11 states have internal predecessors, (72), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-03-04 11:12:24,376 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 670 transitions. [2025-03-04 11:12:24,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-04 11:12:24,377 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:24,377 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:12:24,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-03-04 11:12:24,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-03-04 11:12:24,578 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:24,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:24,578 INFO L85 PathProgramCache]: Analyzing trace with hash 225476861, now seen corresponding path program 2 times [2025-03-04 11:12:24,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:24,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451247177] [2025-03-04 11:12:24,578 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 11:12:24,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:24,582 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 96 statements into 2 equivalence classes. [2025-03-04 11:12:24,596 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 96 of 96 statements. [2025-03-04 11:12:24,596 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 11:12:24,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 11:12:24,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1596053921] [2025-03-04 11:12:24,597 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 11:12:24,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:24,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:12:24,598 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:12:24,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-04 11:12:24,624 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 96 statements into 2 equivalence classes. [2025-03-04 11:12:24,642 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 96 of 96 statements. [2025-03-04 11:12:24,642 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 11:12:24,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:24,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-04 11:12:24,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:12:24,973 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-04 11:12:24,973 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 11:12:33,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:33,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451247177] [2025-03-04 11:12:33,701 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 11:12:33,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596053921] [2025-03-04 11:12:33,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596053921] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:12:33,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 11:12:33,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-04 11:12:33,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158196587] [2025-03-04 11:12:33,701 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 11:12:33,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 11:12:33,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:33,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 11:12:33,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=218, Unknown=2, NotChecked=0, Total=272 [2025-03-04 11:12:33,702 INFO L87 Difference]: Start difference. First operand 500 states and 670 transitions. Second operand has 12 states, 11 states have (on average 4.0) internal successors, (44), 12 states have internal predecessors, (44), 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) [2025-03-04 11:12:34,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:34,104 INFO L93 Difference]: Finished difference Result 523 states and 699 transitions. [2025-03-04 11:12:34,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 11:12:34,104 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.0) internal successors, (44), 12 states have internal predecessors, (44), 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 96 [2025-03-04 11:12:34,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:34,107 INFO L225 Difference]: With dead ends: 523 [2025-03-04 11:12:34,107 INFO L226 Difference]: Without dead ends: 522 [2025-03-04 11:12:34,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=62, Invalid=242, Unknown=2, NotChecked=0, Total=306 [2025-03-04 11:12:34,107 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 28 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 223 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 [2025-03-04 11:12:34,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 223 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 11:12:34,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2025-03-04 11:12:34,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 500. [2025-03-04 11:12:34,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 410 states have (on average 1.2658536585365854) internal successors, (519), 423 states have internal predecessors, (519), 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) [2025-03-04 11:12:34,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 669 transitions. [2025-03-04 11:12:34,132 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 669 transitions. Word has length 96 [2025-03-04 11:12:34,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:34,133 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 669 transitions. [2025-03-04 11:12:34,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.0) internal successors, (44), 12 states have internal predecessors, (44), 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) [2025-03-04 11:12:34,133 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 669 transitions. [2025-03-04 11:12:34,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-03-04 11:12:34,134 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:34,134 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:12:34,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-03-04 11:12:34,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-03-04 11:12:34,334 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:34,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:34,335 INFO L85 PathProgramCache]: Analyzing trace with hash 564981543, now seen corresponding path program 2 times [2025-03-04 11:12:34,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:34,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869030750] [2025-03-04 11:12:34,335 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 11:12:34,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:34,338 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 110 statements into 2 equivalence classes. [2025-03-04 11:12:34,343 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 110 of 110 statements. [2025-03-04 11:12:34,343 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 11:12:34,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:34,439 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 11:12:34,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:34,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869030750] [2025-03-04 11:12:34,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869030750] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:12:34,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033608925] [2025-03-04 11:12:34,440 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 11:12:34,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:34,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:12:34,442 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:12:34,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-04 11:12:34,465 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 110 statements into 2 equivalence classes. [2025-03-04 11:12:34,483 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 110 of 110 statements. [2025-03-04 11:12:34,484 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 11:12:34,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:34,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 11:12:34,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:12:34,545 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 11:12:34,546 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 11:12:34,682 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 11:12:34,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033608925] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 11:12:34,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 11:12:34,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2025-03-04 11:12:34,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913841768] [2025-03-04 11:12:34,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 11:12:34,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 11:12:34,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:34,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 11:12:34,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-03-04 11:12:34,683 INFO L87 Difference]: Start difference. First operand 500 states and 669 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2025-03-04 11:12:34,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:34,792 INFO L93 Difference]: Finished difference Result 509 states and 675 transitions. [2025-03-04 11:12:34,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 11:12:34,793 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) Word has length 110 [2025-03-04 11:12:34,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:34,794 INFO L225 Difference]: With dead ends: 509 [2025-03-04 11:12:34,794 INFO L226 Difference]: Without dead ends: 502 [2025-03-04 11:12:34,795 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 215 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-03-04 11:12:34,795 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 41 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:34,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 215 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 11:12:34,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2025-03-04 11:12:34,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 500. [2025-03-04 11:12:34,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 410 states have (on average 1.2560975609756098) internal successors, (515), 423 states have internal predecessors, (515), 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) [2025-03-04 11:12:34,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 665 transitions. [2025-03-04 11:12:34,819 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 665 transitions. Word has length 110 [2025-03-04 11:12:34,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:34,820 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 665 transitions. [2025-03-04 11:12:34,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2025-03-04 11:12:34,820 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 665 transitions. [2025-03-04 11:12:34,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-04 11:12:34,821 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:34,821 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1] [2025-03-04 11:12:34,827 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-03-04 11:12:35,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-03-04 11:12:35,022 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)] === [2025-03-04 11:12:35,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:35,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1588417745, now seen corresponding path program 2 times [2025-03-04 11:12:35,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:35,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051770825] [2025-03-04 11:12:35,023 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 11:12:35,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:35,027 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-03-04 11:12:35,033 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 12 of 112 statements. [2025-03-04 11:12:35,033 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 11:12:35,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:35,064 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2025-03-04 11:12:35,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:35,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051770825] [2025-03-04 11:12:35,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051770825] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:12:35,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380894612] [2025-03-04 11:12:35,065 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 11:12:35,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:35,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:12:35,066 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:12:35,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-04 11:12:35,089 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-03-04 11:12:35,095 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 12 of 112 statements. [2025-03-04 11:12:35,095 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 11:12:35,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:35,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 11:12:35,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:12:35,170 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2025-03-04 11:12:35,170 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 11:12:35,262 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2025-03-04 11:12:35,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380894612] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 11:12:35,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 11:12:35,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-03-04 11:12:35,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798765957] [2025-03-04 11:12:35,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 11:12:35,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 11:12:35,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:35,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 11:12:35,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-03-04 11:12:35,263 INFO L87 Difference]: Start difference. First operand 500 states and 665 transitions. Second operand has 12 states, 11 states have (on average 3.0) internal successors, (33), 12 states have internal predecessors, (33), 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) [2025-03-04 11:12:35,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:35,420 INFO L93 Difference]: Finished difference Result 598 states and 815 transitions. [2025-03-04 11:12:35,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 11:12:35,420 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.0) internal successors, (33), 12 states have internal predecessors, (33), 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 112 [2025-03-04 11:12:35,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:35,422 INFO L225 Difference]: With dead ends: 598 [2025-03-04 11:12:35,422 INFO L226 Difference]: Without dead ends: 596 [2025-03-04 11:12:35,422 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2025-03-04 11:12:35,423 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 274 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:35,423 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 184 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 11:12:35,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2025-03-04 11:12:35,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 402. [2025-03-04 11:12:35,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 326 states have (on average 1.2177914110429449) internal successors, (397), 337 states have internal predecessors, (397), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2025-03-04 11:12:35,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 523 transitions. [2025-03-04 11:12:35,446 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 523 transitions. Word has length 112 [2025-03-04 11:12:35,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:35,447 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 523 transitions. [2025-03-04 11:12:35,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.0) internal successors, (33), 12 states have internal predecessors, (33), 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) [2025-03-04 11:12:35,447 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 523 transitions. [2025-03-04 11:12:35,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-04 11:12:35,447 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:35,448 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:12:35,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-03-04 11:12:35,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:35,648 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:35,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:35,649 INFO L85 PathProgramCache]: Analyzing trace with hash -2033206665, now seen corresponding path program 1 times [2025-03-04 11:12:35,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:35,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795927768] [2025-03-04 11:12:35,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:35,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:35,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-04 11:12:35,657 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-04 11:12:35,658 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:35,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:35,828 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 11:12:35,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:35,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795927768] [2025-03-04 11:12:35,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795927768] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:12:35,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334377152] [2025-03-04 11:12:35,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:35,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:35,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:12:35,830 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:12:35,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-04 11:12:35,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-04 11:12:35,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-04 11:12:35,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:35,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:35,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 11:12:35,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:12:36,124 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 11:12:36,124 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 11:12:36,406 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 22 proven. 14 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 11:12:36,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334377152] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 11:12:36,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 11:12:36,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2025-03-04 11:12:36,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189715539] [2025-03-04 11:12:36,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 11:12:36,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-04 11:12:36,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:36,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-04 11:12:36,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2025-03-04 11:12:36,408 INFO L87 Difference]: Start difference. First operand 402 states and 523 transitions. Second operand has 22 states, 21 states have (on average 6.761904761904762) internal successors, (142), 22 states have internal predecessors, (142), 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) [2025-03-04 11:12:36,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:36,982 INFO L93 Difference]: Finished difference Result 542 states and 705 transitions. [2025-03-04 11:12:36,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-04 11:12:36,982 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.761904761904762) internal successors, (142), 22 states have internal predecessors, (142), 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 112 [2025-03-04 11:12:36,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:36,984 INFO L225 Difference]: With dead ends: 542 [2025-03-04 11:12:36,984 INFO L226 Difference]: Without dead ends: 457 [2025-03-04 11:12:36,984 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=430, Invalid=1210, Unknown=0, NotChecked=0, Total=1640 [2025-03-04 11:12:36,985 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 454 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:36,985 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 464 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 11:12:36,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2025-03-04 11:12:37,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 396. [2025-03-04 11:12:37,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 318 states have (on average 1.2452830188679245) internal successors, (396), 329 states have internal predecessors, (396), 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) [2025-03-04 11:12:37,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 526 transitions. [2025-03-04 11:12:37,006 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 526 transitions. Word has length 112 [2025-03-04 11:12:37,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:37,007 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 526 transitions. [2025-03-04 11:12:37,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.761904761904762) internal successors, (142), 22 states have internal predecessors, (142), 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) [2025-03-04 11:12:37,007 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 526 transitions. [2025-03-04 11:12:37,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-04 11:12:37,007 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:37,008 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:12:37,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-03-04 11:12:37,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-03-04 11:12:37,208 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:37,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:37,209 INFO L85 PathProgramCache]: Analyzing trace with hash 729663999, now seen corresponding path program 1 times [2025-03-04 11:12:37,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:37,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100761128] [2025-03-04 11:12:37,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:37,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:37,214 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-04 11:12:37,222 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-04 11:12:37,223 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:37,223 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:37,366 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 13 proven. 17 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2025-03-04 11:12:37,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:12:37,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100761128] [2025-03-04 11:12:37,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100761128] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:12:37,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923166445] [2025-03-04 11:12:37,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:12:37,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:37,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:12:37,372 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:12:37,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-04 11:12:37,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-04 11:12:37,426 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-04 11:12:37,427 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:12:37,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:37,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 11:12:37,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:12:37,636 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 22 proven. 17 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 11:12:37,636 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 11:12:39,524 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 11:12:39,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923166445] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 11:12:39,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 11:12:39,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 8] total 20 [2025-03-04 11:12:39,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699021627] [2025-03-04 11:12:39,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 11:12:39,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-04 11:12:39,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:12:39,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-04 11:12:39,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2025-03-04 11:12:39,526 INFO L87 Difference]: Start difference. First operand 396 states and 526 transitions. Second operand has 21 states, 20 states have (on average 7.4) internal successors, (148), 21 states have internal predecessors, (148), 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) [2025-03-04 11:12:39,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:12:39,823 INFO L93 Difference]: Finished difference Result 523 states and 707 transitions. [2025-03-04 11:12:39,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 11:12:39,824 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.4) internal successors, (148), 21 states have internal predecessors, (148), 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 117 [2025-03-04 11:12:39,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:12:39,825 INFO L225 Difference]: With dead ends: 523 [2025-03-04 11:12:39,825 INFO L226 Difference]: Without dead ends: 522 [2025-03-04 11:12:39,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=204, Invalid=396, Unknown=0, NotChecked=0, Total=600 [2025-03-04 11:12:39,826 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 217 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 11:12:39,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 309 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 11:12:39,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2025-03-04 11:12:39,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 395. [2025-03-04 11:12:39,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 318 states have (on average 1.2358490566037736) internal successors, (393), 328 states have internal predecessors, (393), 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) [2025-03-04 11:12:39,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 523 transitions. [2025-03-04 11:12:39,850 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 523 transitions. Word has length 117 [2025-03-04 11:12:39,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:12:39,851 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 523 transitions. [2025-03-04 11:12:39,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.4) internal successors, (148), 21 states have internal predecessors, (148), 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) [2025-03-04 11:12:39,851 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 523 transitions. [2025-03-04 11:12:39,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-03-04 11:12:39,851 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:12:39,851 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:12:39,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-03-04 11:12:40,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:40,052 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:12:40,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:12:40,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1000388557, now seen corresponding path program 3 times [2025-03-04 11:12:40,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:12:40,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626405997] [2025-03-04 11:12:40,053 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 11:12:40,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:12:40,058 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 118 statements into 9 equivalence classes. [2025-03-04 11:12:40,076 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 118 of 118 statements. [2025-03-04 11:12:40,077 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-03-04 11:12:40,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 11:12:40,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [895834382] [2025-03-04 11:12:40,078 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 11:12:40,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:12:40,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:12:40,080 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:12:40,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-04 11:12:40,104 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 118 statements into 9 equivalence classes. [2025-03-04 11:12:40,115 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 40 of 118 statements. [2025-03-04 11:12:40,115 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-04 11:12:40,115 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:12:40,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-04 11:12:40,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:12:40,443 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2025-03-04 11:12:40,444 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 11:13:03,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:13:03,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626405997] [2025-03-04 11:13:03,156 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 11:13:03,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895834382] [2025-03-04 11:13:03,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895834382] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:13:03,156 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 11:13:03,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-04 11:13:03,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779710324] [2025-03-04 11:13:03,157 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 11:13:03,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 11:13:03,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:13:03,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 11:13:03,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=240, Unknown=5, NotChecked=0, Total=306 [2025-03-04 11:13:03,158 INFO L87 Difference]: Start difference. First operand 395 states and 523 transitions. Second operand has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 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) [2025-03-04 11:13:03,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:13:03,667 INFO L93 Difference]: Finished difference Result 410 states and 537 transitions. [2025-03-04 11:13:03,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-04 11:13:03,669 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 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 118 [2025-03-04 11:13:03,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:13:03,670 INFO L225 Difference]: With dead ends: 410 [2025-03-04 11:13:03,670 INFO L226 Difference]: Without dead ends: 409 [2025-03-04 11:13:03,670 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 22.3s TimeCoverageRelationStatistics Valid=160, Invalid=537, Unknown=5, NotChecked=0, Total=702 [2025-03-04 11:13:03,671 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 141 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 11:13:03,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 142 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 11:13:03,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2025-03-04 11:13:03,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 395. [2025-03-04 11:13:03,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 318 states have (on average 1.2232704402515724) internal successors, (389), 328 states have internal predecessors, (389), 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) [2025-03-04 11:13:03,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 519 transitions. [2025-03-04 11:13:03,696 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 519 transitions. Word has length 118 [2025-03-04 11:13:03,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:13:03,696 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 519 transitions. [2025-03-04 11:13:03,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 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) [2025-03-04 11:13:03,697 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 519 transitions. [2025-03-04 11:13:03,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-03-04 11:13:03,697 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:13:03,698 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1] [2025-03-04 11:13:03,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-03-04 11:13:03,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:13:03,898 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:13:03,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:13:03,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1144747472, now seen corresponding path program 1 times [2025-03-04 11:13:03,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:13:03,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952039500] [2025-03-04 11:13:03,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:13:03,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:13:03,902 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-04 11:13:03,907 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-04 11:13:03,907 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:13:03,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:13:04,076 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 11:13:04,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:13:04,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952039500] [2025-03-04 11:13:04,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952039500] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:13:04,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979958708] [2025-03-04 11:13:04,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:13:04,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:13:04,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:13:04,079 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:13:04,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-04 11:13:04,109 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-04 11:13:04,128 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-04 11:13:04,129 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:13:04,129 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:13:04,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-04 11:13:04,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:13:04,376 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 11:13:04,376 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 11:13:05,422 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 11:13:05,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979958708] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 11:13:05,423 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 11:13:05,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2025-03-04 11:13:05,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422173249] [2025-03-04 11:13:05,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 11:13:05,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-04 11:13:05,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:13:05,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-04 11:13:05,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2025-03-04 11:13:05,425 INFO L87 Difference]: Start difference. First operand 395 states and 519 transitions. Second operand has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 22 states have internal predecessors, (156), 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) [2025-03-04 11:13:06,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:13:06,488 INFO L93 Difference]: Finished difference Result 642 states and 825 transitions. [2025-03-04 11:13:06,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-04 11:13:06,489 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 22 states have internal predecessors, (156), 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 118 [2025-03-04 11:13:06,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:13:06,491 INFO L225 Difference]: With dead ends: 642 [2025-03-04 11:13:06,491 INFO L226 Difference]: Without dead ends: 641 [2025-03-04 11:13:06,492 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=397, Invalid=659, Unknown=0, NotChecked=0, Total=1056 [2025-03-04 11:13:06,492 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 330 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 11:13:06,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 501 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 11:13:06,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2025-03-04 11:13:06,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 530. [2025-03-04 11:13:06,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 437 states have (on average 1.2173913043478262) internal successors, (532), 447 states have internal predecessors, (532), 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) [2025-03-04 11:13:06,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 694 transitions. [2025-03-04 11:13:06,530 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 694 transitions. Word has length 118 [2025-03-04 11:13:06,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:13:06,531 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 694 transitions. [2025-03-04 11:13:06,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 22 states have internal predecessors, (156), 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) [2025-03-04 11:13:06,531 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 694 transitions. [2025-03-04 11:13:06,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-03-04 11:13:06,532 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:13:06,532 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1] [2025-03-04 11:13:06,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-03-04 11:13:06,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:13:06,733 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:13:06,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:13:06,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1127433279, now seen corresponding path program 2 times [2025-03-04 11:13:06,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:13:06,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417326351] [2025-03-04 11:13:06,734 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 11:13:06,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:13:06,738 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 119 statements into 2 equivalence classes. [2025-03-04 11:13:06,757 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 119 of 119 statements. [2025-03-04 11:13:06,757 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 11:13:06,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 11:13:06,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1288380285] [2025-03-04 11:13:06,758 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 11:13:06,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:13:06,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:13:06,760 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:13:06,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-04 11:13:06,786 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 119 statements into 2 equivalence classes. [2025-03-04 11:13:06,794 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 20 of 119 statements. [2025-03-04 11:13:06,794 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 11:13:06,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:13:06,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 11:13:06,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:13:06,869 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-03-04 11:13:06,869 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 11:13:06,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:13:06,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417326351] [2025-03-04 11:13:06,869 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 11:13:06,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288380285] [2025-03-04 11:13:06,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288380285] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 11:13:06,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 11:13:06,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 11:13:06,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477862266] [2025-03-04 11:13:06,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 11:13:06,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 11:13:06,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:13:06,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 11:13:06,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 11:13:06,870 INFO L87 Difference]: Start difference. First operand 530 states and 694 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) [2025-03-04 11:13:06,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:13:06,977 INFO L93 Difference]: Finished difference Result 530 states and 694 transitions. [2025-03-04 11:13:06,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 11:13:06,977 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 119 [2025-03-04 11:13:06,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:13:06,979 INFO L225 Difference]: With dead ends: 530 [2025-03-04 11:13:06,979 INFO L226 Difference]: Without dead ends: 529 [2025-03-04 11:13:06,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-03-04 11:13:06,980 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 58 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 11:13:06,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 57 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 11:13:06,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2025-03-04 11:13:07,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 501. [2025-03-04 11:13:07,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 413 states have (on average 1.1864406779661016) internal successors, (490), 422 states have internal predecessors, (490), 77 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2025-03-04 11:13:07,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 644 transitions. [2025-03-04 11:13:07,014 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 644 transitions. Word has length 119 [2025-03-04 11:13:07,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:13:07,015 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 644 transitions. [2025-03-04 11:13:07,015 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) [2025-03-04 11:13:07,015 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 644 transitions. [2025-03-04 11:13:07,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-03-04 11:13:07,016 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:13:07,016 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1] [2025-03-04 11:13:07,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-03-04 11:13:07,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:13:07,217 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:13:07,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:13:07,217 INFO L85 PathProgramCache]: Analyzing trace with hash 720572812, now seen corresponding path program 4 times [2025-03-04 11:13:07,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:13:07,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518810392] [2025-03-04 11:13:07,217 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-04 11:13:07,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:13:07,225 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 122 statements into 2 equivalence classes. [2025-03-04 11:13:07,234 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 122 of 122 statements. [2025-03-04 11:13:07,234 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-04 11:13:07,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:13:07,438 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 11:13:07,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:13:07,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518810392] [2025-03-04 11:13:07,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518810392] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:13:07,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241033639] [2025-03-04 11:13:07,438 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-04 11:13:07,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:13:07,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:13:07,440 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:13:07,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-04 11:13:07,466 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 122 statements into 2 equivalence classes. [2025-03-04 11:13:07,492 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 122 of 122 statements. [2025-03-04 11:13:07,492 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-04 11:13:07,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:13:07,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-04 11:13:07,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:13:08,257 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 58 proven. 26 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2025-03-04 11:13:08,258 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 11:13:21,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241033639] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:13:21,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 11:13:21,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 23 [2025-03-04 11:13:21,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966816941] [2025-03-04 11:13:21,307 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 11:13:21,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-03-04 11:13:21,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:13:21,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-03-04 11:13:21,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=714, Unknown=3, NotChecked=0, Total=812 [2025-03-04 11:13:21,308 INFO L87 Difference]: Start difference. First operand 501 states and 644 transitions. Second operand has 24 states, 23 states have (on average 5.173913043478261) internal successors, (119), 24 states have internal predecessors, (119), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) [2025-03-04 11:13:23,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:13:23,497 INFO L93 Difference]: Finished difference Result 837 states and 1076 transitions. [2025-03-04 11:13:23,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-03-04 11:13:23,498 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.173913043478261) internal successors, (119), 24 states have internal predecessors, (119), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) Word has length 122 [2025-03-04 11:13:23,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:13:23,502 INFO L225 Difference]: With dead ends: 837 [2025-03-04 11:13:23,502 INFO L226 Difference]: Without dead ends: 831 [2025-03-04 11:13:23,505 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 119 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1257 ImplicationChecksByTransitivity, 14.0s TimeCoverageRelationStatistics Valid=769, Invalid=4340, Unknown=3, NotChecked=0, Total=5112 [2025-03-04 11:13:23,505 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 644 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 1803 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 1949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 1803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-04 11:13:23,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [644 Valid, 461 Invalid, 1949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 1803 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-04 11:13:23,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2025-03-04 11:13:23,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 620. [2025-03-04 11:13:23,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 522 states have (on average 1.185823754789272) internal successors, (619), 531 states have internal predecessors, (619), 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) [2025-03-04 11:13:23,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 793 transitions. [2025-03-04 11:13:23,565 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 793 transitions. Word has length 122 [2025-03-04 11:13:23,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:13:23,566 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 793 transitions. [2025-03-04 11:13:23,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.173913043478261) internal successors, (119), 24 states have internal predecessors, (119), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) [2025-03-04 11:13:23,566 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 793 transitions. [2025-03-04 11:13:23,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-03-04 11:13:23,567 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:13:23,567 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:13:23,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-03-04 11:13:23,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-03-04 11:13:23,770 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:13:23,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:13:23,771 INFO L85 PathProgramCache]: Analyzing trace with hash 274993710, now seen corresponding path program 1 times [2025-03-04 11:13:23,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:13:23,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163196136] [2025-03-04 11:13:23,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:13:23,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:13:23,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-04 11:13:23,785 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-04 11:13:23,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:13:23,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 11:13:23,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [397595565] [2025-03-04 11:13:23,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:13:23,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:13:23,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:13:23,793 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:13:23,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-04 11:13:23,824 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-04 11:13:23,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-04 11:13:23,844 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:13:23,844 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:13:23,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 11:13:23,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:13:23,958 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2025-03-04 11:13:23,958 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 11:13:23,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:13:23,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163196136] [2025-03-04 11:13:23,958 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 11:13:23,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397595565] [2025-03-04 11:13:23,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397595565] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 11:13:23,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 11:13:23,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 11:13:23,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758401858] [2025-03-04 11:13:23,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 11:13:23,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 11:13:23,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:13:23,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 11:13:23,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 11:13:23,959 INFO L87 Difference]: Start difference. First operand 620 states and 793 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) [2025-03-04 11:13:24,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:13:24,021 INFO L93 Difference]: Finished difference Result 620 states and 793 transitions. [2025-03-04 11:13:24,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 11:13:24,022 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 125 [2025-03-04 11:13:24,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:13:24,023 INFO L225 Difference]: With dead ends: 620 [2025-03-04 11:13:24,023 INFO L226 Difference]: Without dead ends: 618 [2025-03-04 11:13:24,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 11:13:24,024 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 27 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 11:13:24,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 51 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 11:13:24,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2025-03-04 11:13:24,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 480. [2025-03-04 11:13:24,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 400 states have (on average 1.1525) internal successors, (461), 407 states have internal predecessors, (461), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 11:13:24,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 603 transitions. [2025-03-04 11:13:24,064 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 603 transitions. Word has length 125 [2025-03-04 11:13:24,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:13:24,065 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 603 transitions. [2025-03-04 11:13:24,065 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) [2025-03-04 11:13:24,065 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 603 transitions. [2025-03-04 11:13:24,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2025-03-04 11:13:24,066 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:13:24,066 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1] [2025-03-04 11:13:24,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-03-04 11:13:24,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-03-04 11:13:24,270 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:13:24,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:13:24,270 INFO L85 PathProgramCache]: Analyzing trace with hash -555045125, now seen corresponding path program 1 times [2025-03-04 11:13:24,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:13:24,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300182168] [2025-03-04 11:13:24,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:13:24,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:13:24,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-03-04 11:13:24,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-03-04 11:13:24,289 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:13:24,289 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 11:13:24,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [801491527] [2025-03-04 11:13:24,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:13:24,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:13:24,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:13:24,292 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:13:24,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-03-04 11:13:24,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-03-04 11:13:24,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-03-04 11:13:24,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:13:24,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:13:24,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-03-04 11:13:24,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:13:24,731 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-03-04 11:13:24,731 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 11:13:25,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:13:25,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300182168] [2025-03-04 11:13:25,013 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 11:13:25,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801491527] [2025-03-04 11:13:25,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801491527] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:13:25,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 11:13:25,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-04 11:13:25,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407281605] [2025-03-04 11:13:25,014 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 11:13:25,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 11:13:25,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:13:25,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 11:13:25,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2025-03-04 11:13:25,014 INFO L87 Difference]: Start difference. First operand 480 states and 603 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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) [2025-03-04 11:13:25,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:13:25,370 INFO L93 Difference]: Finished difference Result 484 states and 607 transitions. [2025-03-04 11:13:25,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 11:13:25,371 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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 132 [2025-03-04 11:13:25,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:13:25,373 INFO L225 Difference]: With dead ends: 484 [2025-03-04 11:13:25,373 INFO L226 Difference]: Without dead ends: 483 [2025-03-04 11:13:25,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2025-03-04 11:13:25,373 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 15 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 11:13:25,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 208 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 11:13:25,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2025-03-04 11:13:25,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 481. [2025-03-04 11:13:25,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 401 states have (on average 1.1521197007481296) internal successors, (462), 408 states have internal predecessors, (462), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 11:13:25,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 604 transitions. [2025-03-04 11:13:25,412 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 604 transitions. Word has length 132 [2025-03-04 11:13:25,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:13:25,412 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 604 transitions. [2025-03-04 11:13:25,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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) [2025-03-04 11:13:25,412 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 604 transitions. [2025-03-04 11:13:25,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-03-04 11:13:25,413 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:13:25,413 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1, 1] [2025-03-04 11:13:25,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-03-04 11:13:25,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-03-04 11:13:25,613 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:13:25,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:13:25,614 INFO L85 PathProgramCache]: Analyzing trace with hash -26529712, now seen corresponding path program 1 times [2025-03-04 11:13:25,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:13:25,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838716645] [2025-03-04 11:13:25,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:13:25,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:13:25,618 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-04 11:13:25,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-04 11:13:25,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:13:25,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 11:13:25,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1722744108] [2025-03-04 11:13:25,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:13:25,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:13:25,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:13:25,632 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:13:25,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-03-04 11:13:25,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-04 11:13:25,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-04 11:13:25,683 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:13:25,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:13:25,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-03-04 11:13:25,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:13:26,124 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-03-04 11:13:26,124 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 11:13:26,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:13:26,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838716645] [2025-03-04 11:13:26,471 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 11:13:26,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722744108] [2025-03-04 11:13:26,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722744108] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:13:26,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 11:13:26,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2025-03-04 11:13:26,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647771955] [2025-03-04 11:13:26,471 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 11:13:26,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-04 11:13:26,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:13:26,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-04 11:13:26,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2025-03-04 11:13:26,472 INFO L87 Difference]: Start difference. First operand 481 states and 604 transitions. Second operand has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-03-04 11:13:26,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:13:26,948 INFO L93 Difference]: Finished difference Result 489 states and 611 transitions. [2025-03-04 11:13:26,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-04 11:13:26,948 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 133 [2025-03-04 11:13:26,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:13:26,950 INFO L225 Difference]: With dead ends: 489 [2025-03-04 11:13:26,950 INFO L226 Difference]: Without dead ends: 484 [2025-03-04 11:13:26,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2025-03-04 11:13:26,951 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 32 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 1009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 11:13:26,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 298 Invalid, 1009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1001 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 11:13:26,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2025-03-04 11:13:26,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 481. [2025-03-04 11:13:26,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 401 states have (on average 1.14713216957606) internal successors, (460), 408 states have internal predecessors, (460), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 11:13:26,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 602 transitions. [2025-03-04 11:13:26,990 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 602 transitions. Word has length 133 [2025-03-04 11:13:26,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:13:26,990 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 602 transitions. [2025-03-04 11:13:26,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-03-04 11:13:26,990 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 602 transitions. [2025-03-04 11:13:26,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-03-04 11:13:26,991 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:13:26,991 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1] [2025-03-04 11:13:26,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-03-04 11:13:27,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:13:27,193 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:13:27,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:13:27,193 INFO L85 PathProgramCache]: Analyzing trace with hash 285464950, now seen corresponding path program 3 times [2025-03-04 11:13:27,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:13:27,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504740215] [2025-03-04 11:13:27,197 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 11:13:27,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:13:27,204 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 136 statements into 9 equivalence classes. [2025-03-04 11:13:27,232 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 136 of 136 statements. [2025-03-04 11:13:27,232 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-03-04 11:13:27,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 11:13:27,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1048162043] [2025-03-04 11:13:27,233 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 11:13:27,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:13:27,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:13:27,240 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:13:27,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-03-04 11:13:27,269 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 136 statements into 9 equivalence classes. [2025-03-04 11:13:27,283 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 54 of 136 statements. [2025-03-04 11:13:27,283 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-04 11:13:27,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:13:27,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-04 11:13:27,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:13:27,404 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2025-03-04 11:13:27,404 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 11:13:27,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:13:27,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504740215] [2025-03-04 11:13:27,616 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 11:13:27,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048162043] [2025-03-04 11:13:27,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1048162043] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:13:27,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 11:13:27,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-04 11:13:27,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575470988] [2025-03-04 11:13:27,617 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 11:13:27,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 11:13:27,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:13:27,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 11:13:27,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2025-03-04 11:13:27,617 INFO L87 Difference]: Start difference. First operand 481 states and 602 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) [2025-03-04 11:13:27,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:13:27,835 INFO L93 Difference]: Finished difference Result 483 states and 604 transitions. [2025-03-04 11:13:27,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 11:13:27,836 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 136 [2025-03-04 11:13:27,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:13:27,838 INFO L225 Difference]: With dead ends: 483 [2025-03-04 11:13:27,838 INFO L226 Difference]: Without dead ends: 482 [2025-03-04 11:13:27,839 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2025-03-04 11:13:27,839 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 72 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 11:13:27,839 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 79 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 11:13:27,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2025-03-04 11:13:27,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 480. [2025-03-04 11:13:27,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 401 states have (on average 1.14214463840399) internal successors, (458), 407 states have internal predecessors, (458), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 11:13:27,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 600 transitions. [2025-03-04 11:13:27,883 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 600 transitions. Word has length 136 [2025-03-04 11:13:27,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:13:27,883 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 600 transitions. [2025-03-04 11:13:27,883 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) [2025-03-04 11:13:27,883 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 600 transitions. [2025-03-04 11:13:27,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-03-04 11:13:27,884 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:13:27,884 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1, 1] [2025-03-04 11:13:27,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-03-04 11:13:28,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-03-04 11:13:28,089 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:13:28,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:13:28,089 INFO L85 PathProgramCache]: Analyzing trace with hash 259478837, now seen corresponding path program 1 times [2025-03-04 11:13:28,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:13:28,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578085721] [2025-03-04 11:13:28,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:13:28,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:13:28,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-04 11:13:28,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-04 11:13:28,108 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:13:28,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 11:13:28,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [785319491] [2025-03-04 11:13:28,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:13:28,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:13:28,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:13:28,112 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:13:28,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-03-04 11:13:28,140 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-04 11:13:28,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-04 11:13:28,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:13:28,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:13:28,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-03-04 11:13:28,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:13:28,628 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-03-04 11:13:28,628 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 11:13:29,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:13:29,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578085721] [2025-03-04 11:13:29,294 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 11:13:29,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785319491] [2025-03-04 11:13:29,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785319491] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:13:29,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 11:13:29,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2025-03-04 11:13:29,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025854337] [2025-03-04 11:13:29,294 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 11:13:29,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-03-04 11:13:29,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:13:29,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-03-04 11:13:29,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2025-03-04 11:13:29,295 INFO L87 Difference]: Start difference. First operand 480 states and 600 transitions. Second operand has 17 states, 16 states have (on average 4.0625) internal successors, (65), 17 states have internal predecessors, (65), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-03-04 11:13:29,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:13:29,771 INFO L93 Difference]: Finished difference Result 483 states and 602 transitions. [2025-03-04 11:13:29,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-04 11:13:29,771 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0625) internal successors, (65), 17 states have internal predecessors, (65), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 137 [2025-03-04 11:13:29,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:13:29,773 INFO L225 Difference]: With dead ends: 483 [2025-03-04 11:13:29,773 INFO L226 Difference]: Without dead ends: 480 [2025-03-04 11:13:29,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=175, Invalid=475, Unknown=0, NotChecked=0, Total=650 [2025-03-04 11:13:29,774 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 34 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 11:13:29,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 288 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 11:13:29,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2025-03-04 11:13:29,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 478. [2025-03-04 11:13:29,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 399 states have (on average 1.1403508771929824) internal successors, (455), 405 states have internal predecessors, (455), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 11:13:29,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 597 transitions. [2025-03-04 11:13:29,812 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 597 transitions. Word has length 137 [2025-03-04 11:13:29,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:13:29,813 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 597 transitions. [2025-03-04 11:13:29,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0625) internal successors, (65), 17 states have internal predecessors, (65), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-03-04 11:13:29,813 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 597 transitions. [2025-03-04 11:13:29,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2025-03-04 11:13:29,814 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:13:29,814 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:13:29,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-03-04 11:13:30,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-03-04 11:13:30,015 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:13:30,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:13:30,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1852046208, now seen corresponding path program 2 times [2025-03-04 11:13:30,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:13:30,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612058526] [2025-03-04 11:13:30,016 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 11:13:30,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:13:30,022 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 155 statements into 2 equivalence classes. [2025-03-04 11:13:30,028 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 155 of 155 statements. [2025-03-04 11:13:30,028 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 11:13:30,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:13:30,193 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 22 proven. 58 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-03-04 11:13:30,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:13:30,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612058526] [2025-03-04 11:13:30,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612058526] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:13:30,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780798681] [2025-03-04 11:13:30,193 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 11:13:30,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:13:30,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:13:30,195 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:13:30,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-03-04 11:13:30,226 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 155 statements into 2 equivalence classes. [2025-03-04 11:13:30,254 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 155 of 155 statements. [2025-03-04 11:13:30,255 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 11:13:30,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:13:30,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-04 11:13:30,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:13:30,428 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-03-04 11:13:30,428 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 11:13:30,643 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 48 proven. 32 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-03-04 11:13:30,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780798681] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 11:13:30,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 11:13:30,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 6] total 16 [2025-03-04 11:13:30,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051913918] [2025-03-04 11:13:30,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 11:13:30,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-04 11:13:30,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:13:30,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-04 11:13:30,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2025-03-04 11:13:30,644 INFO L87 Difference]: Start difference. First operand 478 states and 597 transitions. Second operand has 16 states, 16 states have (on average 8.5625) internal successors, (137), 16 states have internal predecessors, (137), 11 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 11 states have call predecessors, (39), 11 states have call successors, (39) [2025-03-04 11:13:30,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:13:30,930 INFO L93 Difference]: Finished difference Result 542 states and 673 transitions. [2025-03-04 11:13:30,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 11:13:30,931 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 8.5625) internal successors, (137), 16 states have internal predecessors, (137), 11 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 11 states have call predecessors, (39), 11 states have call successors, (39) Word has length 155 [2025-03-04 11:13:30,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:13:30,933 INFO L225 Difference]: With dead ends: 542 [2025-03-04 11:13:30,933 INFO L226 Difference]: Without dead ends: 536 [2025-03-04 11:13:30,933 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 296 SyntacticMatches, 8 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2025-03-04 11:13:30,934 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 76 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 11:13:30,934 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 326 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 11:13:30,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2025-03-04 11:13:30,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 510. [2025-03-04 11:13:30,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 425 states have (on average 1.131764705882353) internal successors, (481), 431 states have internal predecessors, (481), 77 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2025-03-04 11:13:30,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 635 transitions. [2025-03-04 11:13:30,992 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 635 transitions. Word has length 155 [2025-03-04 11:13:30,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:13:30,992 INFO L471 AbstractCegarLoop]: Abstraction has 510 states and 635 transitions. [2025-03-04 11:13:30,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 8.5625) internal successors, (137), 16 states have internal predecessors, (137), 11 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 11 states have call predecessors, (39), 11 states have call successors, (39) [2025-03-04 11:13:30,992 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 635 transitions. [2025-03-04 11:13:30,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2025-03-04 11:13:30,993 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:13:30,994 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 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, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:13:31,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-03-04 11:13:31,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-03-04 11:13:31,194 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:13:31,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:13:31,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1858097178, now seen corresponding path program 1 times [2025-03-04 11:13:31,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:13:31,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816013734] [2025-03-04 11:13:31,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:13:31,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:13:31,199 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-03-04 11:13:31,205 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-03-04 11:13:31,205 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:13:31,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:13:31,401 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 37 proven. 54 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-04 11:13:31,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:13:31,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816013734] [2025-03-04 11:13:31,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816013734] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:13:31,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500777567] [2025-03-04 11:13:31,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:13:31,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:13:31,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:13:31,404 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:13:31,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-03-04 11:13:31,433 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-03-04 11:13:31,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-03-04 11:13:31,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:13:31,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:13:31,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-04 11:13:31,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:13:31,843 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 12 proven. 79 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-04 11:13:31,843 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 11:13:31,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500777567] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:13:31,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 11:13:31,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12] total 18 [2025-03-04 11:13:31,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124661477] [2025-03-04 11:13:31,916 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 11:13:31,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 11:13:31,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:13:31,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 11:13:31,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2025-03-04 11:13:31,917 INFO L87 Difference]: Start difference. First operand 510 states and 635 transitions. Second operand has 18 states, 18 states have (on average 8.0) internal successors, (144), 18 states have internal predecessors, (144), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34) [2025-03-04 11:13:32,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:13:32,387 INFO L93 Difference]: Finished difference Result 560 states and 692 transitions. [2025-03-04 11:13:32,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-04 11:13:32,387 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.0) internal successors, (144), 18 states have internal predecessors, (144), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34) Word has length 157 [2025-03-04 11:13:32,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:13:32,389 INFO L225 Difference]: With dead ends: 560 [2025-03-04 11:13:32,389 INFO L226 Difference]: Without dead ends: 329 [2025-03-04 11:13:32,390 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=134, Invalid=858, Unknown=0, NotChecked=0, Total=992 [2025-03-04 11:13:32,390 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 48 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 11:13:32,390 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 381 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 11:13:32,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2025-03-04 11:13:32,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2025-03-04 11:13:32,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 266 states have (on average 1.105263157894737) internal successors, (294), 272 states have internal predecessors, (294), 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) [2025-03-04 11:13:32,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 404 transitions. [2025-03-04 11:13:32,423 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 404 transitions. Word has length 157 [2025-03-04 11:13:32,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:13:32,423 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 404 transitions. [2025-03-04 11:13:32,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.0) internal successors, (144), 18 states have internal predecessors, (144), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34) [2025-03-04 11:13:32,424 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 404 transitions. [2025-03-04 11:13:32,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-03-04 11:13:32,424 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:13:32,424 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-03-04 11:13:32,432 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2025-03-04 11:13:32,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:13:32,625 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:13:32,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:13:32,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1516830839, now seen corresponding path program 1 times [2025-03-04 11:13:32,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:13:32,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384695283] [2025-03-04 11:13:32,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:13:32,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:13:32,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-04 11:13:32,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-04 11:13:32,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:13:32,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:13:32,764 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 26 proven. 60 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-03-04 11:13:32,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:13:32,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384695283] [2025-03-04 11:13:32,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384695283] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:13:32,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979503666] [2025-03-04 11:13:32,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:13:32,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:13:32,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:13:32,767 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:13:32,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-03-04 11:13:32,797 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-04 11:13:32,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-04 11:13:32,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:13:32,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:13:32,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 11:13:32,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:13:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2025-03-04 11:13:32,911 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 11:13:32,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979503666] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 11:13:32,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 11:13:32,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2025-03-04 11:13:32,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704997755] [2025-03-04 11:13:32,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 11:13:32,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 11:13:32,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 11:13:32,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 11:13:32,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-03-04 11:13:32,912 INFO L87 Difference]: Start difference. First operand 329 states and 404 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2025-03-04 11:13:32,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 11:13:32,998 INFO L93 Difference]: Finished difference Result 329 states and 404 transitions. [2025-03-04 11:13:32,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 11:13:32,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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 158 [2025-03-04 11:13:32,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 11:13:32,999 INFO L225 Difference]: With dead ends: 329 [2025-03-04 11:13:32,999 INFO L226 Difference]: Without dead ends: 328 [2025-03-04 11:13:33,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 158 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-03-04 11:13:33,000 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 38 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 11:13:33,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 71 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 11:13:33,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2025-03-04 11:13:33,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 318. [2025-03-04 11:13:33,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 258 states have (on average 1.0968992248062015) internal successors, (283), 263 states have internal predecessors, (283), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2025-03-04 11:13:33,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 389 transitions. [2025-03-04 11:13:33,036 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 389 transitions. Word has length 158 [2025-03-04 11:13:33,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 11:13:33,036 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 389 transitions. [2025-03-04 11:13:33,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2025-03-04 11:13:33,036 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 389 transitions. [2025-03-04 11:13:33,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2025-03-04 11:13:33,037 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:13:33,037 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 11:13:33,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-03-04 11:13:33,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2025-03-04 11:13:33,238 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 11:13:33,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:13:33,238 INFO L85 PathProgramCache]: Analyzing trace with hash 2110480500, now seen corresponding path program 1 times [2025-03-04 11:13:33,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:13:33,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329406333] [2025-03-04 11:13:33,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:13:33,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:13:33,245 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-03-04 11:13:33,252 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-03-04 11:13:33,253 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:13:33,253 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:13:33,542 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-03-04 11:13:33,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:13:33,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329406333] [2025-03-04 11:13:33,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329406333] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:13:33,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460984056] [2025-03-04 11:13:33,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:13:33,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:13:33,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:13:33,545 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 11:13:33,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-03-04 11:13:33,571 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-03-04 11:13:33,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-03-04 11:13:33,595 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:13:33,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:13:33,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-03-04 11:13:33,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 11:13:33,924 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-03-04 11:13:33,924 INFO L312 TraceCheckSpWp]: Computing backward predicates...