./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 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/egcd2-ll_unwindbound2.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 cf96ccf42beeb32dd4ada276d6687a251a0093c06fe1150e921bbfebb3df0607 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 15:13:29,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 15:13:29,986 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 15:13:29,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 15:13:29,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 15:13:30,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 15:13:30,012 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 15:13:30,012 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 15:13:30,013 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 15:13:30,013 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 15:13:30,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 15:13:30,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 15:13:30,014 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 15:13:30,014 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 15:13:30,014 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 15:13:30,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 15:13:30,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 15:13:30,015 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 15:13:30,015 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 15:13:30,015 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 15:13:30,015 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 15:13:30,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 15:13:30,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 15:13:30,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 15:13:30,015 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 15:13:30,015 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 15:13:30,016 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 15:13:30,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 15:13:30,016 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 15:13:30,016 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 15:13:30,016 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 15:13:30,016 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 15:13:30,016 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 15:13:30,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 15:13:30,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:13:30,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 15:13:30,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 15:13:30,017 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 15:13:30,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 15:13:30,017 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 15:13:30,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 15:13:30,017 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 15:13:30,017 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 15:13:30,017 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 15:13:30,017 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 15:13:30,018 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 -> cf96ccf42beeb32dd4ada276d6687a251a0093c06fe1150e921bbfebb3df0607 [2025-03-17 15:13:30,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 15:13:30,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 15:13:30,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 15:13:30,243 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 15:13:30,243 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 15:13:30,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound2.c [2025-03-17 15:13:31,430 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91b05757e/b39ba83d8fce40e483522d3f0c5e9504/FLAGb6e5db046 [2025-03-17 15:13:31,688 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 15:13:31,693 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound2.c [2025-03-17 15:13:31,699 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91b05757e/b39ba83d8fce40e483522d3f0c5e9504/FLAGb6e5db046 [2025-03-17 15:13:32,000 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91b05757e/b39ba83d8fce40e483522d3f0c5e9504 [2025-03-17 15:13:32,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 15:13:32,003 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 15:13:32,004 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 15:13:32,004 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 15:13:32,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 15:13:32,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:13:32" (1/1) ... [2025-03-17 15:13:32,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e87f350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:32, skipping insertion in model container [2025-03-17 15:13:32,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:13:32" (1/1) ... [2025-03-17 15:13:32,022 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 15:13:32,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:13:32,124 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 15:13:32,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:13:32,155 INFO L204 MainTranslator]: Completed translation [2025-03-17 15:13:32,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:32 WrapperNode [2025-03-17 15:13:32,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 15:13:32,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 15:13:32,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 15:13:32,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 15:13:32,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:32" (1/1) ... [2025-03-17 15:13:32,170 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:32" (1/1) ... [2025-03-17 15:13:32,182 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 158 [2025-03-17 15:13:32,183 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 15:13:32,183 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 15:13:32,183 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 15:13:32,183 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 15:13:32,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:32" (1/1) ... [2025-03-17 15:13:32,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:32" (1/1) ... [2025-03-17 15:13:32,190 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:32" (1/1) ... [2025-03-17 15:13:32,197 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-17 15:13:32,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:32" (1/1) ... [2025-03-17 15:13:32,197 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:32" (1/1) ... [2025-03-17 15:13:32,200 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:32" (1/1) ... [2025-03-17 15:13:32,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:32" (1/1) ... [2025-03-17 15:13:32,201 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:32" (1/1) ... [2025-03-17 15:13:32,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:32" (1/1) ... [2025-03-17 15:13:32,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 15:13:32,203 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 15:13:32,203 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 15:13:32,203 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 15:13:32,204 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:32" (1/1) ... [2025-03-17 15:13:32,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:13:32,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:32,232 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) [2025-03-17 15:13:32,236 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 [2025-03-17 15:13:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 15:13:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 15:13:32,250 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 15:13:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 15:13:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 15:13:32,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 15:13:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 15:13:32,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 15:13:32,295 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 15:13:32,296 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 15:13:32,737 INFO L? ?]: Removed 198 outVars from TransFormulas that were not future-live. [2025-03-17 15:13:32,737 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 15:13:32,750 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 15:13:32,751 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 15:13:32,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:13:32 BoogieIcfgContainer [2025-03-17 15:13:32,753 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 15:13:32,754 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 15:13:32,754 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 15:13:32,757 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 15:13:32,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:13:32" (1/3) ... [2025-03-17 15:13:32,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@343d428c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:13:32, skipping insertion in model container [2025-03-17 15:13:32,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:32" (2/3) ... [2025-03-17 15:13:32,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@343d428c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:13:32, skipping insertion in model container [2025-03-17 15:13:32,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:13:32" (3/3) ... [2025-03-17 15:13:32,759 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd2-ll_unwindbound2.c [2025-03-17 15:13:32,768 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 15:13:32,769 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd2-ll_unwindbound2.c that has 3 procedures, 166 locations, 1 initial locations, 2 loop locations, and 68 error locations. [2025-03-17 15:13:32,808 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 15:13:32,817 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;@1e06d9ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 15:13:32,818 INFO L334 AbstractCegarLoop]: Starting to check reachability of 68 error locations. [2025-03-17 15:13:32,821 INFO L276 IsEmpty]: Start isEmpty. Operand has 166 states, 85 states have (on average 1.8941176470588235) internal successors, (161), 154 states have internal predecessors, (161), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-17 15:13:32,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-17 15:13:32,824 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:32,824 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:32,825 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:32,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:32,829 INFO L85 PathProgramCache]: Analyzing trace with hash 2071839965, now seen corresponding path program 1 times [2025-03-17 15:13:32,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:32,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231820225] [2025-03-17 15:13:32,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:32,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:32,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-17 15:13:32,890 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 15:13:32,890 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:32,890 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:32,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 15:13:32,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:32,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231820225] [2025-03-17 15:13:32,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231820225] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:32,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899267779] [2025-03-17 15:13:32,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:32,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:32,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:32,926 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) [2025-03-17 15:13:32,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 15:13:32,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-17 15:13:32,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 15:13:32,970 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:32,970 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:32,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 15:13:32,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:32,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 15:13:32,983 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:32,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899267779] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:32,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:32,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 15:13:32,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108214463] [2025-03-17 15:13:32,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:32,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 15:13:32,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:33,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 15:13:33,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 15:13:33,005 INFO L87 Difference]: Start difference. First operand has 166 states, 85 states have (on average 1.8941176470588235) internal successors, (161), 154 states have internal predecessors, (161), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:13:33,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:33,031 INFO L93 Difference]: Finished difference Result 329 states and 369 transitions. [2025-03-17 15:13:33,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 15:13:33,034 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2025-03-17 15:13:33,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:33,040 INFO L225 Difference]: With dead ends: 329 [2025-03-17 15:13:33,041 INFO L226 Difference]: Without dead ends: 161 [2025-03-17 15:13:33,045 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 15:13:33,049 INFO L435 NwaCegarLoop]: 176 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, 176 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 [2025-03-17 15:13:33,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:13:33,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2025-03-17 15:13:33,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2025-03-17 15:13:33,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 83 states have (on average 1.8433734939759037) internal successors, (153), 150 states have internal predecessors, (153), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:13:33,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 171 transitions. [2025-03-17 15:13:33,081 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 171 transitions. Word has length 13 [2025-03-17 15:13:33,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:33,081 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 171 transitions. [2025-03-17 15:13:33,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:13:33,081 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 171 transitions. [2025-03-17 15:13:33,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-17 15:13:33,082 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:33,082 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:33,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 15:13:33,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 15:13:33,283 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:33,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:33,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1876249981, now seen corresponding path program 1 times [2025-03-17 15:13:33,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:33,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458668920] [2025-03-17 15:13:33,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:33,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:33,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-17 15:13:33,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 15:13:33,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:33,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:13:33,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1723477426] [2025-03-17 15:13:33,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:33,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:33,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:33,323 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) [2025-03-17 15:13:33,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 15:13:33,348 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-17 15:13:33,358 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 15:13:33,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:33,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:33,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:13:33,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:33,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:13:33,440 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:33,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:33,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458668920] [2025-03-17 15:13:33,441 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:13:33,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723477426] [2025-03-17 15:13:33,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1723477426] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:33,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:33,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 15:13:33,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456276673] [2025-03-17 15:13:33,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:33,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:13:33,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:33,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:13:33,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:13:33,443 INFO L87 Difference]: Start difference. First operand 161 states and 171 transitions. Second operand has 7 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:13:33,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:33,725 INFO L93 Difference]: Finished difference Result 161 states and 171 transitions. [2025-03-17 15:13:33,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:13:33,726 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2025-03-17 15:13:33,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:33,727 INFO L225 Difference]: With dead ends: 161 [2025-03-17 15:13:33,727 INFO L226 Difference]: Without dead ends: 160 [2025-03-17 15:13:33,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:13:33,728 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 130 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:33,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 266 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:13:33,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2025-03-17 15:13:33,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2025-03-17 15:13:33,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 83 states have (on average 1.8313253012048192) internal successors, (152), 149 states have internal predecessors, (152), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:13:33,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 170 transitions. [2025-03-17 15:13:33,737 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 170 transitions. Word has length 13 [2025-03-17 15:13:33,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:33,737 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 170 transitions. [2025-03-17 15:13:33,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:13:33,738 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 170 transitions. [2025-03-17 15:13:33,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-17 15:13:33,738 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:33,738 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:33,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 15:13:33,938 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,SelfDestructingSolverStorable1 [2025-03-17 15:13:33,939 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:33,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:33,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1965792607, now seen corresponding path program 1 times [2025-03-17 15:13:33,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:33,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278758365] [2025-03-17 15:13:33,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:33,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:33,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 15:13:33,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 15:13:33,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:33,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:13:33,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [808491712] [2025-03-17 15:13:33,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:33,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:33,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:33,958 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) [2025-03-17 15:13:33,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 15:13:33,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 15:13:33,989 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 15:13:33,989 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:33,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:33,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:13:33,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:34,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 15:13:34,055 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:13:34,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 15:13:34,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:34,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278758365] [2025-03-17 15:13:34,192 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:13:34,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808491712] [2025-03-17 15:13:34,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808491712] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:13:34,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:13:34,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-03-17 15:13:34,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280143589] [2025-03-17 15:13:34,193 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:13:34,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:13:34,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:34,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:13:34,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:13:34,194 INFO L87 Difference]: Start difference. First operand 160 states and 170 transitions. Second operand has 9 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 9 states have internal predecessors, (16), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 15:13:34,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:34,436 INFO L93 Difference]: Finished difference Result 160 states and 170 transitions. [2025-03-17 15:13:34,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:13:34,437 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 9 states have internal predecessors, (16), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) Word has length 14 [2025-03-17 15:13:34,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:34,438 INFO L225 Difference]: With dead ends: 160 [2025-03-17 15:13:34,440 INFO L226 Difference]: Without dead ends: 159 [2025-03-17 15:13:34,441 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:13:34,441 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 206 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:34,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 189 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:13:34,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2025-03-17 15:13:34,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2025-03-17 15:13:34,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 83 states have (on average 1.819277108433735) internal successors, (151), 148 states have internal predecessors, (151), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:13:34,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 169 transitions. [2025-03-17 15:13:34,455 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 169 transitions. Word has length 14 [2025-03-17 15:13:34,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:34,455 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 169 transitions. [2025-03-17 15:13:34,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 9 states have internal predecessors, (16), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 15:13:34,456 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 169 transitions. [2025-03-17 15:13:34,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-03-17 15:13:34,456 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:34,456 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:34,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 15:13:34,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:34,657 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:34,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:34,657 INFO L85 PathProgramCache]: Analyzing trace with hash 658918879, now seen corresponding path program 1 times [2025-03-17 15:13:34,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:34,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350263977] [2025-03-17 15:13:34,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:34,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:34,662 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-17 15:13:34,674 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 15:13:34,675 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:34,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:13:34,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [692601448] [2025-03-17 15:13:34,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:34,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:34,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:34,679 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) [2025-03-17 15:13:34,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 15:13:34,699 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-17 15:13:34,705 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 15:13:34,706 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:34,706 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:34,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:13:34,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:34,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 15:13:34,741 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:34,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:34,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350263977] [2025-03-17 15:13:34,741 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:13:34,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692601448] [2025-03-17 15:13:34,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692601448] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:34,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:34,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:13:34,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221301848] [2025-03-17 15:13:34,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:34,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:13:34,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:34,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:13:34,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:13:34,742 INFO L87 Difference]: Start difference. First operand 159 states and 169 transitions. Second operand has 6 states, 4 states have (on average 3.0) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 15:13:34,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:34,960 INFO L93 Difference]: Finished difference Result 159 states and 169 transitions. [2025-03-17 15:13:34,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:13:34,960 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 3.0) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2025-03-17 15:13:34,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:34,961 INFO L225 Difference]: With dead ends: 159 [2025-03-17 15:13:34,961 INFO L226 Difference]: Without dead ends: 158 [2025-03-17 15:13:34,962 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:13:34,962 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 226 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:34,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 324 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:13:34,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2025-03-17 15:13:34,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2025-03-17 15:13:34,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 83 states have (on average 1.8072289156626506) internal successors, (150), 147 states have internal predecessors, (150), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:13:34,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 168 transitions. [2025-03-17 15:13:34,974 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 168 transitions. Word has length 16 [2025-03-17 15:13:34,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:34,974 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 168 transitions. [2025-03-17 15:13:34,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 3.0) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 15:13:34,974 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 168 transitions. [2025-03-17 15:13:34,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-17 15:13:34,974 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:34,975 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:34,981 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 15:13:35,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:35,175 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:35,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:35,176 INFO L85 PathProgramCache]: Analyzing trace with hash -880768487, now seen corresponding path program 1 times [2025-03-17 15:13:35,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:35,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375357476] [2025-03-17 15:13:35,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:35,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:35,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-17 15:13:35,188 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-17 15:13:35,188 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:35,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:35,264 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:35,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:35,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375357476] [2025-03-17 15:13:35,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375357476] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:35,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:35,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:13:35,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283686565] [2025-03-17 15:13:35,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:35,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:35,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:35,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:35,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:13:35,266 INFO L87 Difference]: Start difference. First operand 158 states and 168 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:13:35,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:35,290 INFO L93 Difference]: Finished difference Result 199 states and 210 transitions. [2025-03-17 15:13:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:35,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 28 [2025-03-17 15:13:35,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:35,292 INFO L225 Difference]: With dead ends: 199 [2025-03-17 15:13:35,292 INFO L226 Difference]: Without dead ends: 198 [2025-03-17 15:13:35,292 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:13:35,293 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 48 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:35,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 467 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:13:35,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2025-03-17 15:13:35,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 174. [2025-03-17 15:13:35,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 97 states have (on average 1.7835051546391754) internal successors, (173), 161 states have internal predecessors, (173), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-17 15:13:35,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 193 transitions. [2025-03-17 15:13:35,306 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 193 transitions. Word has length 28 [2025-03-17 15:13:35,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:35,306 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 193 transitions. [2025-03-17 15:13:35,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:13:35,306 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 193 transitions. [2025-03-17 15:13:35,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-17 15:13:35,307 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:35,307 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:35,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 15:13:35,307 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:35,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:35,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1534019207, now seen corresponding path program 1 times [2025-03-17 15:13:35,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:35,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489405260] [2025-03-17 15:13:35,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:35,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:35,313 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 15:13:35,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 15:13:35,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:35,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:35,375 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:35,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:35,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489405260] [2025-03-17 15:13:35,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489405260] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:35,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:35,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:13:35,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229542507] [2025-03-17 15:13:35,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:35,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:35,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:35,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:35,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:13:35,377 INFO L87 Difference]: Start difference. First operand 174 states and 193 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:13:35,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:35,402 INFO L93 Difference]: Finished difference Result 204 states and 221 transitions. [2025-03-17 15:13:35,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:13:35,402 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2025-03-17 15:13:35,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:35,404 INFO L225 Difference]: With dead ends: 204 [2025-03-17 15:13:35,404 INFO L226 Difference]: Without dead ends: 174 [2025-03-17 15:13:35,405 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:13:35,405 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 10 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:35,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 470 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:13:35,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2025-03-17 15:13:35,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2025-03-17 15:13:35,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 97 states have (on average 1.7628865979381443) internal successors, (171), 161 states have internal predecessors, (171), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-17 15:13:35,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 191 transitions. [2025-03-17 15:13:35,413 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 191 transitions. Word has length 29 [2025-03-17 15:13:35,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:35,413 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 191 transitions. [2025-03-17 15:13:35,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:13:35,413 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 191 transitions. [2025-03-17 15:13:35,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-03-17 15:13:35,414 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:35,414 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:35,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 15:13:35,414 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:35,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:35,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1514055291, now seen corresponding path program 1 times [2025-03-17 15:13:35,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:35,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934616185] [2025-03-17 15:13:35,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:35,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:35,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-17 15:13:35,426 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-17 15:13:35,426 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:35,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:35,521 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:13:35,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:35,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934616185] [2025-03-17 15:13:35,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934616185] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:35,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520058004] [2025-03-17 15:13:35,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:35,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:35,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:35,523 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) [2025-03-17 15:13:35,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 15:13:35,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-17 15:13:35,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-17 15:13:35,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:35,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:35,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:13:35,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:35,577 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:35,577 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:35,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520058004] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:35,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:35,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2025-03-17 15:13:35,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899103451] [2025-03-17 15:13:35,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:35,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:13:35,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:35,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:13:35,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:35,578 INFO L87 Difference]: Start difference. First operand 174 states and 191 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:13:35,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:35,766 INFO L93 Difference]: Finished difference Result 276 states and 308 transitions. [2025-03-17 15:13:35,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:13:35,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2025-03-17 15:13:35,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:35,768 INFO L225 Difference]: With dead ends: 276 [2025-03-17 15:13:35,768 INFO L226 Difference]: Without dead ends: 266 [2025-03-17 15:13:35,768 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:35,768 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 95 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:35,769 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 232 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:13:35,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2025-03-17 15:13:35,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 226. [2025-03-17 15:13:35,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 145 states have (on average 1.7586206896551724) internal successors, (255), 209 states have internal predecessors, (255), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-17 15:13:35,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 283 transitions. [2025-03-17 15:13:35,776 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 283 transitions. Word has length 32 [2025-03-17 15:13:35,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:35,777 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 283 transitions. [2025-03-17 15:13:35,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:13:35,777 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 283 transitions. [2025-03-17 15:13:35,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-03-17 15:13:35,779 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:35,779 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:35,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-17 15:13:35,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:35,980 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:35,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:35,980 INFO L85 PathProgramCache]: Analyzing trace with hash 308931702, now seen corresponding path program 1 times [2025-03-17 15:13:35,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:35,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471339150] [2025-03-17 15:13:35,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:35,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:35,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-17 15:13:35,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-17 15:13:35,990 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:35,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:36,036 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:36,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:36,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471339150] [2025-03-17 15:13:36,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471339150] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:36,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:36,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:13:36,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677542257] [2025-03-17 15:13:36,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:36,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:13:36,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:36,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:13:36,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:13:36,037 INFO L87 Difference]: Start difference. First operand 226 states and 283 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:13:36,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:36,093 INFO L93 Difference]: Finished difference Result 226 states and 283 transitions. [2025-03-17 15:13:36,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:13:36,094 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2025-03-17 15:13:36,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:36,095 INFO L225 Difference]: With dead ends: 226 [2025-03-17 15:13:36,095 INFO L226 Difference]: Without dead ends: 224 [2025-03-17 15:13:36,095 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:13:36,096 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 157 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:36,096 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 468 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:13:36,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2025-03-17 15:13:36,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2025-03-17 15:13:36,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 145 states have (on average 1.7379310344827585) internal successors, (252), 207 states have internal predecessors, (252), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-17 15:13:36,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 280 transitions. [2025-03-17 15:13:36,106 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 280 transitions. Word has length 33 [2025-03-17 15:13:36,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:36,106 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 280 transitions. [2025-03-17 15:13:36,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:13:36,106 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 280 transitions. [2025-03-17 15:13:36,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-03-17 15:13:36,107 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:36,107 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:36,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 15:13:36,107 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:36,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:36,107 INFO L85 PathProgramCache]: Analyzing trace with hash 986778467, now seen corresponding path program 1 times [2025-03-17 15:13:36,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:36,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197597384] [2025-03-17 15:13:36,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:36,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:36,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-17 15:13:36,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-17 15:13:36,115 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:36,115 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:36,190 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:13:36,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:36,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197597384] [2025-03-17 15:13:36,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197597384] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:36,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791326613] [2025-03-17 15:13:36,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:36,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:36,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:36,192 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) [2025-03-17 15:13:36,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 15:13:36,212 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-17 15:13:36,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-17 15:13:36,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:36,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:36,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:13:36,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:36,276 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:36,277 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:36,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791326613] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:36,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:36,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-17 15:13:36,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753018265] [2025-03-17 15:13:36,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:36,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:36,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:36,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:36,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:36,278 INFO L87 Difference]: Start difference. First operand 224 states and 280 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:13:36,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:36,488 INFO L93 Difference]: Finished difference Result 254 states and 303 transitions. [2025-03-17 15:13:36,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:36,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 34 [2025-03-17 15:13:36,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:36,490 INFO L225 Difference]: With dead ends: 254 [2025-03-17 15:13:36,490 INFO L226 Difference]: Without dead ends: 251 [2025-03-17 15:13:36,490 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:36,491 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 281 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:36,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 168 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:13:36,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2025-03-17 15:13:36,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 224. [2025-03-17 15:13:36,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 145 states have (on average 1.717241379310345) internal successors, (249), 207 states have internal predecessors, (249), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-17 15:13:36,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 277 transitions. [2025-03-17 15:13:36,498 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 277 transitions. Word has length 34 [2025-03-17 15:13:36,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:36,499 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 277 transitions. [2025-03-17 15:13:36,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:13:36,499 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 277 transitions. [2025-03-17 15:13:36,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-03-17 15:13:36,499 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:36,500 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:36,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-17 15:13:36,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:36,700 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:36,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:36,701 INFO L85 PathProgramCache]: Analyzing trace with hash 986948272, now seen corresponding path program 1 times [2025-03-17 15:13:36,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:36,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104551815] [2025-03-17 15:13:36,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:36,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:36,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-17 15:13:36,709 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-17 15:13:36,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:36,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:36,760 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:36,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:36,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104551815] [2025-03-17 15:13:36,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104551815] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:36,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:36,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:13:36,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650514285] [2025-03-17 15:13:36,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:36,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:13:36,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:36,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:13:36,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:13:36,762 INFO L87 Difference]: Start difference. First operand 224 states and 277 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:13:36,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:36,810 INFO L93 Difference]: Finished difference Result 388 states and 446 transitions. [2025-03-17 15:13:36,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:13:36,810 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2025-03-17 15:13:36,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:36,811 INFO L225 Difference]: With dead ends: 388 [2025-03-17 15:13:36,811 INFO L226 Difference]: Without dead ends: 243 [2025-03-17 15:13:36,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:13:36,814 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 39 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:36,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 752 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:13:36,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2025-03-17 15:13:36,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 228. [2025-03-17 15:13:36,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 149 states have (on average 1.6979865771812082) internal successors, (253), 211 states have internal predecessors, (253), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-17 15:13:36,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 281 transitions. [2025-03-17 15:13:36,823 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 281 transitions. Word has length 34 [2025-03-17 15:13:36,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:36,823 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 281 transitions. [2025-03-17 15:13:36,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:13:36,823 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 281 transitions. [2025-03-17 15:13:36,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-03-17 15:13:36,824 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:36,824 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:36,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-17 15:13:36,826 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:36,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:36,826 INFO L85 PathProgramCache]: Analyzing trace with hash 525361394, now seen corresponding path program 1 times [2025-03-17 15:13:36,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:36,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425920470] [2025-03-17 15:13:36,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:36,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:36,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-17 15:13:36,836 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-17 15:13:36,836 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:36,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:36,891 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:13:36,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:36,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425920470] [2025-03-17 15:13:36,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425920470] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:36,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870478510] [2025-03-17 15:13:36,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:36,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:36,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:36,893 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) [2025-03-17 15:13:36,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-17 15:13:36,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-17 15:13:36,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-17 15:13:36,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:36,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:36,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:13:36,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:36,989 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:36,989 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:36,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870478510] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:36,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:36,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-17 15:13:36,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647739252] [2025-03-17 15:13:36,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:36,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:36,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:36,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:36,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:36,990 INFO L87 Difference]: Start difference. First operand 228 states and 281 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:13:37,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:37,283 INFO L93 Difference]: Finished difference Result 242 states and 292 transitions. [2025-03-17 15:13:37,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:37,284 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2025-03-17 15:13:37,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:37,285 INFO L225 Difference]: With dead ends: 242 [2025-03-17 15:13:37,285 INFO L226 Difference]: Without dead ends: 241 [2025-03-17 15:13:37,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:37,285 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 63 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:37,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 220 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:13:37,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2025-03-17 15:13:37,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 228. [2025-03-17 15:13:37,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 149 states have (on average 1.691275167785235) internal successors, (252), 211 states have internal predecessors, (252), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-17 15:13:37,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 280 transitions. [2025-03-17 15:13:37,296 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 280 transitions. Word has length 35 [2025-03-17 15:13:37,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:37,296 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 280 transitions. [2025-03-17 15:13:37,297 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:13:37,297 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 280 transitions. [2025-03-17 15:13:37,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-03-17 15:13:37,297 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:37,298 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:37,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-17 15:13:37,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:37,498 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:37,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:37,499 INFO L85 PathProgramCache]: Analyzing trace with hash -893665983, now seen corresponding path program 1 times [2025-03-17 15:13:37,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:37,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932115799] [2025-03-17 15:13:37,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:37,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:37,502 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-17 15:13:37,506 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-17 15:13:37,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:37,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:37,582 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:13:37,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:37,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932115799] [2025-03-17 15:13:37,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932115799] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:37,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432480970] [2025-03-17 15:13:37,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:37,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:37,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:37,585 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) [2025-03-17 15:13:37,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-17 15:13:37,610 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-17 15:13:37,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-17 15:13:37,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:37,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:37,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:13:37,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:37,664 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:37,664 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:37,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432480970] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:37,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:37,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-17 15:13:37,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891542047] [2025-03-17 15:13:37,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:37,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:37,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:37,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:37,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:37,665 INFO L87 Difference]: Start difference. First operand 228 states and 280 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:13:37,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:37,959 INFO L93 Difference]: Finished difference Result 286 states and 322 transitions. [2025-03-17 15:13:37,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:37,959 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2025-03-17 15:13:37,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:37,961 INFO L225 Difference]: With dead ends: 286 [2025-03-17 15:13:37,961 INFO L226 Difference]: Without dead ends: 284 [2025-03-17 15:13:37,961 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:37,962 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 156 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:37,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 253 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:13:37,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2025-03-17 15:13:37,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 228. [2025-03-17 15:13:37,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 149 states have (on average 1.6778523489932886) internal successors, (250), 211 states have internal predecessors, (250), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-17 15:13:37,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 278 transitions. [2025-03-17 15:13:37,972 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 278 transitions. Word has length 36 [2025-03-17 15:13:37,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:37,972 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 278 transitions. [2025-03-17 15:13:37,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:13:37,972 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 278 transitions. [2025-03-17 15:13:37,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-03-17 15:13:37,973 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:37,973 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:37,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-17 15:13:38,178 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,SelfDestructingSolverStorable11 [2025-03-17 15:13:38,178 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:38,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:38,178 INFO L85 PathProgramCache]: Analyzing trace with hash -730479826, now seen corresponding path program 1 times [2025-03-17 15:13:38,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:38,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164012008] [2025-03-17 15:13:38,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:38,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:38,183 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-17 15:13:38,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-17 15:13:38,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:38,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:13:38,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [447620651] [2025-03-17 15:13:38,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:38,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:38,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:38,196 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) [2025-03-17 15:13:38,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-17 15:13:38,220 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-17 15:13:38,233 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-17 15:13:38,233 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:38,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:38,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:13:38,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:38,251 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:38,251 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:38,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:38,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164012008] [2025-03-17 15:13:38,251 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:13:38,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447620651] [2025-03-17 15:13:38,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447620651] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:38,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:38,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:13:38,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582818528] [2025-03-17 15:13:38,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:38,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:13:38,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:38,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:13:38,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:13:38,252 INFO L87 Difference]: Start difference. First operand 228 states and 278 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:13:38,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:38,316 INFO L93 Difference]: Finished difference Result 377 states and 475 transitions. [2025-03-17 15:13:38,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:13:38,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2025-03-17 15:13:38,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:38,319 INFO L225 Difference]: With dead ends: 377 [2025-03-17 15:13:38,319 INFO L226 Difference]: Without dead ends: 369 [2025-03-17 15:13:38,319 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:13:38,319 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 85 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:38,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 284 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:13:38,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-03-17 15:13:38,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 329. [2025-03-17 15:13:38,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 242 states have (on average 1.7024793388429753) internal successors, (412), 304 states have internal predecessors, (412), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 15:13:38,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 456 transitions. [2025-03-17 15:13:38,330 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 456 transitions. Word has length 36 [2025-03-17 15:13:38,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:38,331 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 456 transitions. [2025-03-17 15:13:38,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:13:38,331 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 456 transitions. [2025-03-17 15:13:38,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-03-17 15:13:38,331 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:38,331 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:38,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-17 15:13:38,532 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,SelfDestructingSolverStorable12 [2025-03-17 15:13:38,532 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:38,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:38,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1933841712, now seen corresponding path program 1 times [2025-03-17 15:13:38,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:38,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571864614] [2025-03-17 15:13:38,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:38,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:38,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 15:13:38,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 15:13:38,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:38,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:38,601 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:13:38,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:38,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571864614] [2025-03-17 15:13:38,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571864614] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:38,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371554146] [2025-03-17 15:13:38,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:38,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:38,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:38,604 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) [2025-03-17 15:13:38,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-17 15:13:38,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 15:13:38,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 15:13:38,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:38,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:38,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:13:38,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:38,732 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:38,732 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:38,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371554146] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:38,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:38,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-17 15:13:38,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953798349] [2025-03-17 15:13:38,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:38,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:38,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:38,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:38,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:38,734 INFO L87 Difference]: Start difference. First operand 329 states and 456 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:13:39,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:39,235 INFO L93 Difference]: Finished difference Result 376 states and 478 transitions. [2025-03-17 15:13:39,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:39,236 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 37 [2025-03-17 15:13:39,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:39,237 INFO L225 Difference]: With dead ends: 376 [2025-03-17 15:13:39,237 INFO L226 Difference]: Without dead ends: 372 [2025-03-17 15:13:39,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:39,238 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 153 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:39,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 255 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:13:39,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2025-03-17 15:13:39,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 329. [2025-03-17 15:13:39,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 242 states have (on average 1.677685950413223) internal successors, (406), 304 states have internal predecessors, (406), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 15:13:39,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 450 transitions. [2025-03-17 15:13:39,251 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 450 transitions. Word has length 37 [2025-03-17 15:13:39,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:39,251 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 450 transitions. [2025-03-17 15:13:39,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:13:39,251 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 450 transitions. [2025-03-17 15:13:39,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-17 15:13:39,251 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:39,252 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:39,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-17 15:13:39,452 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,SelfDestructingSolverStorable13 [2025-03-17 15:13:39,453 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:39,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:39,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1911440468, now seen corresponding path program 1 times [2025-03-17 15:13:39,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:39,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553190327] [2025-03-17 15:13:39,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:39,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:39,457 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-17 15:13:39,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-17 15:13:39,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:39,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:39,544 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:13:39,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:39,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553190327] [2025-03-17 15:13:39,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553190327] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:39,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112370664] [2025-03-17 15:13:39,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:39,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:39,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:39,547 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) [2025-03-17 15:13:39,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-17 15:13:39,569 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-17 15:13:39,580 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-17 15:13:39,580 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:39,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:39,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 15:13:39,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:39,634 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:39,635 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:39,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112370664] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:39,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:39,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2025-03-17 15:13:39,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901897280] [2025-03-17 15:13:39,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:39,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:13:39,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:39,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:13:39,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:13:39,636 INFO L87 Difference]: Start difference. First operand 329 states and 450 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:13:40,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:40,031 INFO L93 Difference]: Finished difference Result 393 states and 462 transitions. [2025-03-17 15:13:40,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:13:40,035 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 38 [2025-03-17 15:13:40,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:40,036 INFO L225 Difference]: With dead ends: 393 [2025-03-17 15:13:40,036 INFO L226 Difference]: Without dead ends: 392 [2025-03-17 15:13:40,037 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:13:40,037 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 437 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:40,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 319 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:13:40,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2025-03-17 15:13:40,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 329. [2025-03-17 15:13:40,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 242 states have (on average 1.6735537190082646) internal successors, (405), 304 states have internal predecessors, (405), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 15:13:40,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 449 transitions. [2025-03-17 15:13:40,047 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 449 transitions. Word has length 38 [2025-03-17 15:13:40,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:40,047 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 449 transitions. [2025-03-17 15:13:40,048 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:13:40,048 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 449 transitions. [2025-03-17 15:13:40,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-03-17 15:13:40,048 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:40,048 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:40,056 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-17 15:13:40,249 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,SelfDestructingSolverStorable14 [2025-03-17 15:13:40,249 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:40,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:40,249 INFO L85 PathProgramCache]: Analyzing trace with hash 874887728, now seen corresponding path program 1 times [2025-03-17 15:13:40,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:40,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688339220] [2025-03-17 15:13:40,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:40,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:40,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-17 15:13:40,259 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-17 15:13:40,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:40,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:13:40,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [381864694] [2025-03-17 15:13:40,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:40,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:40,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:40,262 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) [2025-03-17 15:13:40,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-17 15:13:40,283 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-17 15:13:40,292 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-17 15:13:40,292 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:40,292 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:40,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 15:13:40,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:40,340 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:40,341 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:40,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:40,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688339220] [2025-03-17 15:13:40,341 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:13:40,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381864694] [2025-03-17 15:13:40,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381864694] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:40,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:40,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:13:40,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315283681] [2025-03-17 15:13:40,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:40,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:13:40,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:40,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:13:40,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:13:40,342 INFO L87 Difference]: Start difference. First operand 329 states and 449 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:13:40,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:40,635 INFO L93 Difference]: Finished difference Result 393 states and 461 transitions. [2025-03-17 15:13:40,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:13:40,637 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2025-03-17 15:13:40,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:40,638 INFO L225 Difference]: With dead ends: 393 [2025-03-17 15:13:40,638 INFO L226 Difference]: Without dead ends: 392 [2025-03-17 15:13:40,639 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:40,640 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 434 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:40,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 318 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:13:40,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2025-03-17 15:13:40,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 329. [2025-03-17 15:13:40,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 242 states have (on average 1.6694214876033058) internal successors, (404), 304 states have internal predecessors, (404), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 15:13:40,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 448 transitions. [2025-03-17 15:13:40,669 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 448 transitions. Word has length 39 [2025-03-17 15:13:40,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:40,669 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 448 transitions. [2025-03-17 15:13:40,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:13:40,669 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 448 transitions. [2025-03-17 15:13:40,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-17 15:13:40,670 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:40,670 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:40,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-17 15:13:40,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-17 15:13:40,871 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:40,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:40,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1093139850, now seen corresponding path program 1 times [2025-03-17 15:13:40,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:40,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478495229] [2025-03-17 15:13:40,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:40,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:40,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-17 15:13:40,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-17 15:13:40,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:40,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:13:40,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:40,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478495229] [2025-03-17 15:13:40,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478495229] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:40,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138424187] [2025-03-17 15:13:40,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:40,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:40,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:40,939 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) [2025-03-17 15:13:40,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-17 15:13:40,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-17 15:13:40,974 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-17 15:13:40,974 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:40,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:40,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:13:40,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:41,039 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:41,039 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:41,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138424187] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:41,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:41,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-17 15:13:41,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909752515] [2025-03-17 15:13:41,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:41,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:41,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:41,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:41,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:41,040 INFO L87 Difference]: Start difference. First operand 329 states and 448 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (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) [2025-03-17 15:13:41,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:41,201 INFO L93 Difference]: Finished difference Result 358 states and 460 transitions. [2025-03-17 15:13:41,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:41,201 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (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 [2025-03-17 15:13:41,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:41,203 INFO L225 Difference]: With dead ends: 358 [2025-03-17 15:13:41,203 INFO L226 Difference]: Without dead ends: 356 [2025-03-17 15:13:41,203 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:41,203 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 184 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:41,203 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 225 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:13:41,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2025-03-17 15:13:41,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 330. [2025-03-17 15:13:41,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.6584362139917694) internal successors, (403), 304 states have internal predecessors, (403), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 15:13:41,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 447 transitions. [2025-03-17 15:13:41,213 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 447 transitions. Word has length 43 [2025-03-17 15:13:41,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:41,213 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 447 transitions. [2025-03-17 15:13:41,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (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) [2025-03-17 15:13:41,214 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 447 transitions. [2025-03-17 15:13:41,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-03-17 15:13:41,214 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:41,214 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:41,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-03-17 15:13:41,414 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,SelfDestructingSolverStorable16 [2025-03-17 15:13:41,415 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:41,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:41,415 INFO L85 PathProgramCache]: Analyzing trace with hash -472403038, now seen corresponding path program 1 times [2025-03-17 15:13:41,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:41,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202840113] [2025-03-17 15:13:41,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:41,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:41,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-17 15:13:41,425 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-17 15:13:41,425 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:41,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:41,478 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:13:41,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:41,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202840113] [2025-03-17 15:13:41,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202840113] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:41,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681079604] [2025-03-17 15:13:41,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:41,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:41,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:41,480 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) [2025-03-17 15:13:41,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-17 15:13:41,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-17 15:13:41,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-17 15:13:41,513 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:41,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:41,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:13:41,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:41,571 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:41,571 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:41,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681079604] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:41,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:41,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-17 15:13:41,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898625011] [2025-03-17 15:13:41,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:41,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:41,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:41,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:41,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:41,572 INFO L87 Difference]: Start difference. First operand 330 states and 447 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2025-03-17 15:13:41,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:41,711 INFO L93 Difference]: Finished difference Result 358 states and 457 transitions. [2025-03-17 15:13:41,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:41,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 44 [2025-03-17 15:13:41,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:41,713 INFO L225 Difference]: With dead ends: 358 [2025-03-17 15:13:41,713 INFO L226 Difference]: Without dead ends: 356 [2025-03-17 15:13:41,713 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:41,713 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 183 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:41,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 225 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:13:41,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2025-03-17 15:13:41,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 331. [2025-03-17 15:13:41,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 244 states have (on average 1.6475409836065573) internal successors, (402), 305 states have internal predecessors, (402), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 15:13:41,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 446 transitions. [2025-03-17 15:13:41,726 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 446 transitions. Word has length 44 [2025-03-17 15:13:41,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:41,727 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 446 transitions. [2025-03-17 15:13:41,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2025-03-17 15:13:41,727 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 446 transitions. [2025-03-17 15:13:41,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-17 15:13:41,727 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:41,727 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:41,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-03-17 15:13:41,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:41,929 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:41,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:41,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1759592312, now seen corresponding path program 1 times [2025-03-17 15:13:41,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:41,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861687831] [2025-03-17 15:13:41,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:41,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:41,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-17 15:13:41,938 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-17 15:13:41,938 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:41,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:41,986 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:13:41,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:41,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861687831] [2025-03-17 15:13:41,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861687831] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:41,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274571316] [2025-03-17 15:13:41,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:41,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:41,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:41,990 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) [2025-03-17 15:13:41,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-17 15:13:42,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-17 15:13:42,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-17 15:13:42,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:42,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:42,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:13:42,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:42,046 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:42,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274571316] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:42,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:42,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2025-03-17 15:13:42,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583314553] [2025-03-17 15:13:42,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:42,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:13:42,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:42,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:13:42,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:13:42,048 INFO L87 Difference]: Start difference. First operand 331 states and 446 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2025-03-17 15:13:42,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:42,119 INFO L93 Difference]: Finished difference Result 372 states and 464 transitions. [2025-03-17 15:13:42,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:13:42,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 45 [2025-03-17 15:13:42,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:42,122 INFO L225 Difference]: With dead ends: 372 [2025-03-17 15:13:42,122 INFO L226 Difference]: Without dead ends: 368 [2025-03-17 15:13:42,122 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:13:42,122 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 81 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:42,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 296 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:13:42,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2025-03-17 15:13:42,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 333. [2025-03-17 15:13:42,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 246 states have (on average 1.6260162601626016) internal successors, (400), 307 states have internal predecessors, (400), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 15:13:42,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 444 transitions. [2025-03-17 15:13:42,134 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 444 transitions. Word has length 45 [2025-03-17 15:13:42,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:42,134 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 444 transitions. [2025-03-17 15:13:42,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2025-03-17 15:13:42,135 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 444 transitions. [2025-03-17 15:13:42,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-17 15:13:42,135 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:42,135 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:42,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-03-17 15:13:42,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:42,336 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:42,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:42,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1248902022, now seen corresponding path program 1 times [2025-03-17 15:13:42,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:42,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396267788] [2025-03-17 15:13:42,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:42,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:42,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-17 15:13:42,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-17 15:13:42,346 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:42,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:42,397 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:13:42,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:42,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396267788] [2025-03-17 15:13:42,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396267788] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:42,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398925792] [2025-03-17 15:13:42,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:42,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:42,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:42,400 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) [2025-03-17 15:13:42,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-17 15:13:42,422 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-17 15:13:42,432 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-17 15:13:42,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:42,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:42,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:13:42,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:42,469 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:42,469 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:42,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398925792] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:42,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:42,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-17 15:13:42,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331837410] [2025-03-17 15:13:42,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:42,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:42,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:42,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:42,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:42,471 INFO L87 Difference]: Start difference. First operand 333 states and 444 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2025-03-17 15:13:42,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:42,578 INFO L93 Difference]: Finished difference Result 370 states and 458 transitions. [2025-03-17 15:13:42,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:42,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 47 [2025-03-17 15:13:42,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:42,580 INFO L225 Difference]: With dead ends: 370 [2025-03-17 15:13:42,580 INFO L226 Difference]: Without dead ends: 368 [2025-03-17 15:13:42,581 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:42,581 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 142 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:42,581 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 307 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:13:42,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2025-03-17 15:13:42,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 334. [2025-03-17 15:13:42,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 247 states have (on average 1.6153846153846154) internal successors, (399), 308 states have internal predecessors, (399), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 15:13:42,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 443 transitions. [2025-03-17 15:13:42,592 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 443 transitions. Word has length 47 [2025-03-17 15:13:42,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:42,592 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 443 transitions. [2025-03-17 15:13:42,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2025-03-17 15:13:42,593 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 443 transitions. [2025-03-17 15:13:42,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-17 15:13:42,593 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:42,593 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:42,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-03-17 15:13:42,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:42,794 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:42,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:42,794 INFO L85 PathProgramCache]: Analyzing trace with hash 61256990, now seen corresponding path program 1 times [2025-03-17 15:13:42,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:42,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690988627] [2025-03-17 15:13:42,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:42,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:42,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-17 15:13:42,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-17 15:13:42,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:42,802 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:42,847 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:13:42,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:42,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690988627] [2025-03-17 15:13:42,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690988627] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:42,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232310653] [2025-03-17 15:13:42,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:42,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:42,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:42,851 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) [2025-03-17 15:13:42,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-17 15:13:42,879 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-17 15:13:42,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-17 15:13:42,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:42,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:42,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:13:42,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:42,976 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:42,976 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:42,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232310653] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:42,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:42,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-17 15:13:42,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107113624] [2025-03-17 15:13:42,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:42,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:42,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:42,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:42,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:42,977 INFO L87 Difference]: Start difference. First operand 334 states and 443 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2025-03-17 15:13:43,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:43,206 INFO L93 Difference]: Finished difference Result 370 states and 455 transitions. [2025-03-17 15:13:43,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:43,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 48 [2025-03-17 15:13:43,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:43,208 INFO L225 Difference]: With dead ends: 370 [2025-03-17 15:13:43,208 INFO L226 Difference]: Without dead ends: 351 [2025-03-17 15:13:43,208 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:43,208 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 140 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:43,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 311 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:13:43,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2025-03-17 15:13:43,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 318. [2025-03-17 15:13:43,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.6394849785407726) internal successors, (382), 294 states have internal predecessors, (382), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:13:43,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 424 transitions. [2025-03-17 15:13:43,219 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 424 transitions. Word has length 48 [2025-03-17 15:13:43,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:43,220 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 424 transitions. [2025-03-17 15:13:43,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2025-03-17 15:13:43,220 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 424 transitions. [2025-03-17 15:13:43,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-03-17 15:13:43,220 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:43,220 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:43,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-03-17 15:13:43,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:43,425 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:43,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:43,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1746333298, now seen corresponding path program 1 times [2025-03-17 15:13:43,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:43,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544705989] [2025-03-17 15:13:43,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:43,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:43,429 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-17 15:13:43,434 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-17 15:13:43,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:43,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:13:43,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1430537303] [2025-03-17 15:13:43,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:43,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:43,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:43,438 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) [2025-03-17 15:13:43,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-17 15:13:43,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-17 15:13:43,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-17 15:13:43,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:43,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:43,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:13:43,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:43,549 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-17 15:13:43,550 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:43,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:43,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544705989] [2025-03-17 15:13:43,550 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:13:43,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430537303] [2025-03-17 15:13:43,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430537303] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:43,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:43,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:13:43,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685536364] [2025-03-17 15:13:43,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:43,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:43,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:43,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:43,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:13:43,551 INFO L87 Difference]: Start difference. First operand 318 states and 424 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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) [2025-03-17 15:13:43,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:43,704 INFO L93 Difference]: Finished difference Result 343 states and 445 transitions. [2025-03-17 15:13:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:43,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 59 [2025-03-17 15:13:43,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:43,706 INFO L225 Difference]: With dead ends: 343 [2025-03-17 15:13:43,706 INFO L226 Difference]: Without dead ends: 342 [2025-03-17 15:13:43,706 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:13:43,709 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 219 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:43,709 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 168 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:13:43,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2025-03-17 15:13:43,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 318. [2025-03-17 15:13:43,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.6351931330472103) internal successors, (381), 294 states have internal predecessors, (381), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:13:43,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 423 transitions. [2025-03-17 15:13:43,720 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 423 transitions. Word has length 59 [2025-03-17 15:13:43,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:43,720 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 423 transitions. [2025-03-17 15:13:43,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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) [2025-03-17 15:13:43,721 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 423 transitions. [2025-03-17 15:13:43,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-17 15:13:43,722 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:43,723 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:43,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-03-17 15:13:43,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:43,923 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:43,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:43,924 INFO L85 PathProgramCache]: Analyzing trace with hash -60553363, now seen corresponding path program 1 times [2025-03-17 15:13:43,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:43,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815548144] [2025-03-17 15:13:43,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:43,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:43,927 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-17 15:13:43,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-17 15:13:43,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:43,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:13:43,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [696892854] [2025-03-17 15:13:43,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:43,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:43,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:43,936 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) [2025-03-17 15:13:43,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-17 15:13:43,961 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-17 15:13:43,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-17 15:13:43,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:43,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:43,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:13:43,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:44,094 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-17 15:13:44,094 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:44,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:44,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815548144] [2025-03-17 15:13:44,094 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:13:44,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696892854] [2025-03-17 15:13:44,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696892854] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:44,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:44,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:13:44,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214813072] [2025-03-17 15:13:44,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:44,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:44,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:44,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:44,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:13:44,095 INFO L87 Difference]: Start difference. First operand 318 states and 423 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2025-03-17 15:13:44,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:44,257 INFO L93 Difference]: Finished difference Result 345 states and 444 transitions. [2025-03-17 15:13:44,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:44,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 69 [2025-03-17 15:13:44,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:44,259 INFO L225 Difference]: With dead ends: 345 [2025-03-17 15:13:44,259 INFO L226 Difference]: Without dead ends: 344 [2025-03-17 15:13:44,259 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:13:44,259 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 46 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:44,260 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 341 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:13:44,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2025-03-17 15:13:44,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 318. [2025-03-17 15:13:44,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.6266094420600858) internal successors, (379), 294 states have internal predecessors, (379), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:13:44,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 421 transitions. [2025-03-17 15:13:44,271 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 421 transitions. Word has length 69 [2025-03-17 15:13:44,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:44,272 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 421 transitions. [2025-03-17 15:13:44,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2025-03-17 15:13:44,272 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 421 transitions. [2025-03-17 15:13:44,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-03-17 15:13:44,274 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:44,274 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:44,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-03-17 15:13:44,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:44,475 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:44,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:44,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1877154196, now seen corresponding path program 1 times [2025-03-17 15:13:44,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:44,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225779861] [2025-03-17 15:13:44,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:44,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:44,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-17 15:13:44,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-17 15:13:44,485 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:44,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:13:44,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [12663182] [2025-03-17 15:13:44,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:44,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:44,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:44,491 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) [2025-03-17 15:13:44,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-17 15:13:44,517 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-17 15:13:44,530 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-17 15:13:44,530 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:44,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:44,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:13:44,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:45,715 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-17 15:13:45,716 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:45,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:45,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225779861] [2025-03-17 15:13:45,716 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:13:45,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12663182] [2025-03-17 15:13:45,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12663182] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:45,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:45,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:13:45,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679913357] [2025-03-17 15:13:45,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:45,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:45,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:45,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:45,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2025-03-17 15:13:45,717 INFO L87 Difference]: Start difference. First operand 318 states and 421 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 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) [2025-03-17 15:13:49,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-17 15:13:54,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-17 15:13:58,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-17 15:13:58,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:58,796 INFO L93 Difference]: Finished difference Result 345 states and 442 transitions. [2025-03-17 15:13:58,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:58,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 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 70 [2025-03-17 15:13:58,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:58,798 INFO L225 Difference]: With dead ends: 345 [2025-03-17 15:13:58,798 INFO L226 Difference]: Without dead ends: 344 [2025-03-17 15:13:58,798 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2025-03-17 15:13:58,798 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 90 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:58,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 234 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 4 Unknown, 0 Unchecked, 13.1s Time] [2025-03-17 15:13:58,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2025-03-17 15:13:58,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 318. [2025-03-17 15:13:58,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.6180257510729614) internal successors, (377), 294 states have internal predecessors, (377), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:13:58,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 419 transitions. [2025-03-17 15:13:58,808 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 419 transitions. Word has length 70 [2025-03-17 15:13:58,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:58,808 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 419 transitions. [2025-03-17 15:13:58,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 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) [2025-03-17 15:13:58,808 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 419 transitions. [2025-03-17 15:13:58,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-17 15:13:58,809 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:58,809 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:58,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-03-17 15:13:59,009 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,SelfDestructingSolverStorable23 [2025-03-17 15:13:59,009 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:59,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:59,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1937762123, now seen corresponding path program 1 times [2025-03-17 15:13:59,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:59,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712382793] [2025-03-17 15:13:59,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:59,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:59,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-17 15:13:59,017 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-17 15:13:59,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:59,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:13:59,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1471222186] [2025-03-17 15:13:59,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:59,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:59,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:59,021 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) [2025-03-17 15:13:59,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-17 15:13:59,047 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-17 15:13:59,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-17 15:13:59,059 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:59,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:59,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:13:59,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:59,103 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-17 15:13:59,104 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:59,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:59,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712382793] [2025-03-17 15:13:59,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:13:59,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471222186] [2025-03-17 15:13:59,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471222186] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:59,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:59,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:13:59,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879703791] [2025-03-17 15:13:59,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:59,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:59,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:59,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:59,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:13:59,105 INFO L87 Difference]: Start difference. First operand 318 states and 419 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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) [2025-03-17 15:13:59,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:59,376 INFO L93 Difference]: Finished difference Result 338 states and 430 transitions. [2025-03-17 15:13:59,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:59,376 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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 71 [2025-03-17 15:13:59,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:59,378 INFO L225 Difference]: With dead ends: 338 [2025-03-17 15:13:59,378 INFO L226 Difference]: Without dead ends: 336 [2025-03-17 15:13:59,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:13:59,379 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 60 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:59,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 342 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:13:59,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2025-03-17 15:13:59,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 318. [2025-03-17 15:13:59,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.6008583690987124) internal successors, (373), 294 states have internal predecessors, (373), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:13:59,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 415 transitions. [2025-03-17 15:13:59,394 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 415 transitions. Word has length 71 [2025-03-17 15:13:59,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:59,394 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 415 transitions. [2025-03-17 15:13:59,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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) [2025-03-17 15:13:59,394 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 415 transitions. [2025-03-17 15:13:59,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-03-17 15:13:59,395 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:59,395 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:59,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-03-17 15:13:59,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-03-17 15:13:59,596 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:59,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:59,596 INFO L85 PathProgramCache]: Analyzing trace with hash -58916278, now seen corresponding path program 1 times [2025-03-17 15:13:59,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:59,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42611228] [2025-03-17 15:13:59,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:59,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:59,599 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-17 15:13:59,603 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-17 15:13:59,604 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:59,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:13:59,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1172986846] [2025-03-17 15:13:59,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:59,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:59,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:59,606 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) [2025-03-17 15:13:59,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-17 15:13:59,632 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-17 15:13:59,644 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-17 15:13:59,644 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:59,644 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:59,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:13:59,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:59,714 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-17 15:13:59,715 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:59,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:59,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42611228] [2025-03-17 15:13:59,715 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:13:59,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172986846] [2025-03-17 15:13:59,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172986846] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:59,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:59,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:13:59,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438049842] [2025-03-17 15:13:59,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:59,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:59,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:59,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:59,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:13:59,716 INFO L87 Difference]: Start difference. First operand 318 states and 415 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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) [2025-03-17 15:13:59,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:59,939 INFO L93 Difference]: Finished difference Result 338 states and 426 transitions. [2025-03-17 15:13:59,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:59,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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 72 [2025-03-17 15:13:59,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:59,941 INFO L225 Difference]: With dead ends: 338 [2025-03-17 15:13:59,941 INFO L226 Difference]: Without dead ends: 336 [2025-03-17 15:13:59,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:13:59,941 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 97 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:59,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 283 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:13:59,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2025-03-17 15:13:59,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 318. [2025-03-17 15:13:59,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.5836909871244635) internal successors, (369), 294 states have internal predecessors, (369), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:13:59,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 411 transitions. [2025-03-17 15:13:59,952 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 411 transitions. Word has length 72 [2025-03-17 15:13:59,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:59,952 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 411 transitions. [2025-03-17 15:13:59,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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) [2025-03-17 15:13:59,953 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 411 transitions. [2025-03-17 15:13:59,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-17 15:13:59,953 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:59,953 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:59,963 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-03-17 15:14:00,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-03-17 15:14:00,154 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:00,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:00,154 INFO L85 PathProgramCache]: Analyzing trace with hash 880838373, now seen corresponding path program 1 times [2025-03-17 15:14:00,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:00,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132236497] [2025-03-17 15:14:00,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:00,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:00,158 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-17 15:14:00,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-17 15:14:00,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:00,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:00,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1365521557] [2025-03-17 15:14:00,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:00,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:00,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:00,168 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) [2025-03-17 15:14:00,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-17 15:14:00,203 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-17 15:14:00,216 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-17 15:14:00,216 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:00,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:00,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:14:00,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:00,356 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-17 15:14:00,356 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:00,514 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-17 15:14:00,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:00,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132236497] [2025-03-17 15:14:00,514 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:00,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365521557] [2025-03-17 15:14:00,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365521557] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:14:00,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:14:00,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-03-17 15:14:00,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239124415] [2025-03-17 15:14:00,515 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:00,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:14:00,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:00,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:14:00,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:14:00,515 INFO L87 Difference]: Start difference. First operand 318 states and 411 transitions. Second operand has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-17 15:14:01,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:01,019 INFO L93 Difference]: Finished difference Result 339 states and 413 transitions. [2025-03-17 15:14:01,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:14:01,020 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) Word has length 77 [2025-03-17 15:14:01,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:01,021 INFO L225 Difference]: With dead ends: 339 [2025-03-17 15:14:01,021 INFO L226 Difference]: Without dead ends: 338 [2025-03-17 15:14:01,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 144 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:14:01,021 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 287 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:01,021 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 603 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:14:01,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2025-03-17 15:14:01,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 318. [2025-03-17 15:14:01,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.5708154506437768) internal successors, (366), 294 states have internal predecessors, (366), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:14:01,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 408 transitions. [2025-03-17 15:14:01,034 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 408 transitions. Word has length 77 [2025-03-17 15:14:01,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:01,034 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 408 transitions. [2025-03-17 15:14:01,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-17 15:14:01,034 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 408 transitions. [2025-03-17 15:14:01,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-03-17 15:14:01,035 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:01,035 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:01,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:01,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:01,236 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:01,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:01,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1536185828, now seen corresponding path program 1 times [2025-03-17 15:14:01,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:01,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750130371] [2025-03-17 15:14:01,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:01,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:01,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-17 15:14:01,246 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-17 15:14:01,247 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:01,247 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:01,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [401810306] [2025-03-17 15:14:01,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:01,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:01,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:01,250 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) [2025-03-17 15:14:01,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-17 15:14:01,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-17 15:14:01,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-17 15:14:01,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:01,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:01,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-17 15:14:01,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:01,489 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-17 15:14:01,490 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:01,895 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-17 15:14:01,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:01,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750130371] [2025-03-17 15:14:01,895 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:01,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401810306] [2025-03-17 15:14:01,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401810306] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:14:01,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:14:01,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-03-17 15:14:01,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649118630] [2025-03-17 15:14:01,896 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:01,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:14:01,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:01,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:14:01,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:14:01,897 INFO L87 Difference]: Start difference. First operand 318 states and 408 transitions. Second operand has 11 states, 8 states have (on average 12.125) internal successors, (97), 9 states have internal predecessors, (97), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2025-03-17 15:14:02,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:02,554 INFO L93 Difference]: Finished difference Result 339 states and 410 transitions. [2025-03-17 15:14:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:14:02,555 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 12.125) internal successors, (97), 9 states have internal predecessors, (97), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) Word has length 78 [2025-03-17 15:14:02,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:02,556 INFO L225 Difference]: With dead ends: 339 [2025-03-17 15:14:02,556 INFO L226 Difference]: Without dead ends: 338 [2025-03-17 15:14:02,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 144 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:14:02,556 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 402 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:02,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 631 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:14:02,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2025-03-17 15:14:02,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 318. [2025-03-17 15:14:02,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.55793991416309) internal successors, (363), 294 states have internal predecessors, (363), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:14:02,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 405 transitions. [2025-03-17 15:14:02,565 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 405 transitions. Word has length 78 [2025-03-17 15:14:02,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:02,565 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 405 transitions. [2025-03-17 15:14:02,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 12.125) internal successors, (97), 9 states have internal predecessors, (97), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2025-03-17 15:14:02,566 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 405 transitions. [2025-03-17 15:14:02,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-17 15:14:02,566 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:02,566 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:02,572 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-03-17 15:14:02,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-03-17 15:14:02,766 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:02,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:02,770 INFO L85 PathProgramCache]: Analyzing trace with hash 377120451, now seen corresponding path program 1 times [2025-03-17 15:14:02,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:02,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283857604] [2025-03-17 15:14:02,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:02,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:02,774 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 15:14:02,778 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 15:14:02,779 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:02,779 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:02,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [92473759] [2025-03-17 15:14:02,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:02,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:02,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:02,781 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) [2025-03-17 15:14:02,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-17 15:14:02,805 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 15:14:02,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 15:14:02,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:02,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:02,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:14:02,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:03,095 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-17 15:14:03,096 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:03,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:03,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283857604] [2025-03-17 15:14:03,480 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:03,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92473759] [2025-03-17 15:14:03,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92473759] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:03,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:03,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-17 15:14:03,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840953] [2025-03-17 15:14:03,481 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:03,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:14:03,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:03,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:14:03,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:14:03,482 INFO L87 Difference]: Start difference. First operand 318 states and 405 transitions. Second operand has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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) [2025-03-17 15:14:03,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:03,914 INFO L93 Difference]: Finished difference Result 337 states and 416 transitions. [2025-03-17 15:14:03,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:14:03,915 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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 79 [2025-03-17 15:14:03,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:03,916 INFO L225 Difference]: With dead ends: 337 [2025-03-17 15:14:03,916 INFO L226 Difference]: Without dead ends: 334 [2025-03-17 15:14:03,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:14:03,917 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 190 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:03,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 394 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:14:03,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2025-03-17 15:14:03,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 318. [2025-03-17 15:14:03,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.5321888412017168) internal successors, (357), 294 states have internal predecessors, (357), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:14:03,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 399 transitions. [2025-03-17 15:14:03,933 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 399 transitions. Word has length 79 [2025-03-17 15:14:03,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:03,934 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 399 transitions. [2025-03-17 15:14:03,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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) [2025-03-17 15:14:03,934 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 399 transitions. [2025-03-17 15:14:03,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-17 15:14:03,935 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:03,935 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:03,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-03-17 15:14:04,135 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,SelfDestructingSolverStorable28 [2025-03-17 15:14:04,136 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:04,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:04,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1194167870, now seen corresponding path program 1 times [2025-03-17 15:14:04,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:04,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974979612] [2025-03-17 15:14:04,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:04,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:04,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-17 15:14:04,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-17 15:14:04,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:04,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:04,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2077131656] [2025-03-17 15:14:04,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:04,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:04,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:04,146 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) [2025-03-17 15:14:04,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-17 15:14:04,171 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-17 15:14:04,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-17 15:14:04,185 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:04,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:04,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-17 15:14:04,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:04,580 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-17 15:14:04,580 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:04,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:04,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974979612] [2025-03-17 15:14:04,667 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:04,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077131656] [2025-03-17 15:14:04,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077131656] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:04,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:04,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-03-17 15:14:04,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337016948] [2025-03-17 15:14:04,667 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:04,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:14:04,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:04,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:14:04,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:14:04,668 INFO L87 Difference]: Start difference. First operand 318 states and 399 transitions. Second operand has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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) [2025-03-17 15:14:04,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:04,915 INFO L93 Difference]: Finished difference Result 325 states and 400 transitions. [2025-03-17 15:14:04,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:14:04,916 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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 80 [2025-03-17 15:14:04,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:04,917 INFO L225 Difference]: With dead ends: 325 [2025-03-17 15:14:04,917 INFO L226 Difference]: Without dead ends: 322 [2025-03-17 15:14:04,917 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:14:04,918 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 168 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:04,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 258 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:14:04,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2025-03-17 15:14:04,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 318. [2025-03-17 15:14:04,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.5064377682403434) internal successors, (351), 294 states have internal predecessors, (351), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:14:04,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 393 transitions. [2025-03-17 15:14:04,929 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 393 transitions. Word has length 80 [2025-03-17 15:14:04,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:04,929 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 393 transitions. [2025-03-17 15:14:04,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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) [2025-03-17 15:14:04,929 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 393 transitions. [2025-03-17 15:14:04,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-03-17 15:14:04,929 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:04,930 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:04,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-03-17 15:14:05,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:05,130 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:05,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:05,131 INFO L85 PathProgramCache]: Analyzing trace with hash 726640313, now seen corresponding path program 1 times [2025-03-17 15:14:05,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:05,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977253165] [2025-03-17 15:14:05,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:05,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:05,134 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-17 15:14:05,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-17 15:14:05,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:05,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:05,155 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:05,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:05,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977253165] [2025-03-17 15:14:05,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977253165] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:14:05,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:14:05,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:14:05,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459014935] [2025-03-17 15:14:05,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:14:05,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:14:05,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:05,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:14:05,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:14:05,156 INFO L87 Difference]: Start difference. First operand 318 states and 393 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-03-17 15:14:05,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:05,218 INFO L93 Difference]: Finished difference Result 318 states and 393 transitions. [2025-03-17 15:14:05,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:14:05,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 93 [2025-03-17 15:14:05,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:05,219 INFO L225 Difference]: With dead ends: 318 [2025-03-17 15:14:05,219 INFO L226 Difference]: Without dead ends: 317 [2025-03-17 15:14:05,219 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 [2025-03-17 15:14:05,220 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 1 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:05,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 293 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:14:05,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2025-03-17 15:14:05,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2025-03-17 15:14:05,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 233 states have (on average 1.4892703862660943) internal successors, (347), 293 states have internal predecessors, (347), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:14:05,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 389 transitions. [2025-03-17 15:14:05,229 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 389 transitions. Word has length 93 [2025-03-17 15:14:05,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:05,229 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 389 transitions. [2025-03-17 15:14:05,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-03-17 15:14:05,229 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 389 transitions. [2025-03-17 15:14:05,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-17 15:14:05,229 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:05,229 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:05,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2025-03-17 15:14:05,230 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:05,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:05,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1051013241, now seen corresponding path program 1 times [2025-03-17 15:14:05,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:05,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657486758] [2025-03-17 15:14:05,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:05,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:05,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-17 15:14:05,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-17 15:14:05,239 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:05,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:05,294 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:05,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:05,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657486758] [2025-03-17 15:14:05,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657486758] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:14:05,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:14:05,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:14:05,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092796483] [2025-03-17 15:14:05,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:14:05,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:14:05,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:05,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:14:05,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:14:05,297 INFO L87 Difference]: Start difference. First operand 317 states and 389 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2025-03-17 15:14:05,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:05,690 INFO L93 Difference]: Finished difference Result 325 states and 393 transitions. [2025-03-17 15:14:05,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:14:05,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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 94 [2025-03-17 15:14:05,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:05,691 INFO L225 Difference]: With dead ends: 325 [2025-03-17 15:14:05,691 INFO L226 Difference]: Without dead ends: 324 [2025-03-17 15:14:05,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:14:05,692 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 273 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:05,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 223 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:14:05,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2025-03-17 15:14:05,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 317. [2025-03-17 15:14:05,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 233 states have (on average 1.4849785407725322) internal successors, (346), 293 states have internal predecessors, (346), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:14:05,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 388 transitions. [2025-03-17 15:14:05,705 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 388 transitions. Word has length 94 [2025-03-17 15:14:05,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:05,710 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 388 transitions. [2025-03-17 15:14:05,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2025-03-17 15:14:05,710 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 388 transitions. [2025-03-17 15:14:05,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-17 15:14:05,710 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:05,710 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:05,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-03-17 15:14:05,710 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:05,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:05,711 INFO L85 PathProgramCache]: Analyzing trace with hash 705271542, now seen corresponding path program 1 times [2025-03-17 15:14:05,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:05,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639469404] [2025-03-17 15:14:05,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:05,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:05,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 15:14:05,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 15:14:05,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:05,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:05,774 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:05,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:05,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639469404] [2025-03-17 15:14:05,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639469404] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:14:05,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:14:05,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:14:05,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976615230] [2025-03-17 15:14:05,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:14:05,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:14:05,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:05,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:14:05,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:14:05,776 INFO L87 Difference]: Start difference. First operand 317 states and 388 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (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) [2025-03-17 15:14:06,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:06,133 INFO L93 Difference]: Finished difference Result 333 states and 399 transitions. [2025-03-17 15:14:06,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:14:06,133 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (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 96 [2025-03-17 15:14:06,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:06,134 INFO L225 Difference]: With dead ends: 333 [2025-03-17 15:14:06,134 INFO L226 Difference]: Without dead ends: 332 [2025-03-17 15:14:06,135 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:14:06,135 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 15 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:06,135 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 534 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:14:06,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2025-03-17 15:14:06,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 322. [2025-03-17 15:14:06,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 238 states have (on average 1.4747899159663866) internal successors, (351), 298 states have internal predecessors, (351), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:14:06,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 393 transitions. [2025-03-17 15:14:06,157 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 393 transitions. Word has length 96 [2025-03-17 15:14:06,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:06,157 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 393 transitions. [2025-03-17 15:14:06,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (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) [2025-03-17 15:14:06,158 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 393 transitions. [2025-03-17 15:14:06,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-17 15:14:06,158 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:06,158 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:06,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2025-03-17 15:14:06,158 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:06,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:06,159 INFO L85 PathProgramCache]: Analyzing trace with hash 388581327, now seen corresponding path program 1 times [2025-03-17 15:14:06,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:06,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52203276] [2025-03-17 15:14:06,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:06,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:06,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-17 15:14:06,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-17 15:14:06,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:06,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:06,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [362438406] [2025-03-17 15:14:06,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:06,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:06,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:06,175 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) [2025-03-17 15:14:06,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-03-17 15:14:06,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-17 15:14:06,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-17 15:14:06,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:06,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:06,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:14:06,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:06,323 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:06,324 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:14:06,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:06,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52203276] [2025-03-17 15:14:06,324 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:06,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362438406] [2025-03-17 15:14:06,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362438406] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:14:06,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:14:06,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:14:06,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297917687] [2025-03-17 15:14:06,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:14:06,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:14:06,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:06,325 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:14:06,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:14:06,325 INFO L87 Difference]: Start difference. First operand 322 states and 393 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 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) [2025-03-17 15:14:06,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:06,518 INFO L93 Difference]: Finished difference Result 333 states and 397 transitions. [2025-03-17 15:14:06,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:14:06,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 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 97 [2025-03-17 15:14:06,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:06,520 INFO L225 Difference]: With dead ends: 333 [2025-03-17 15:14:06,520 INFO L226 Difference]: Without dead ends: 332 [2025-03-17 15:14:06,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:14:06,521 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 17 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:06,521 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 323 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:14:06,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2025-03-17 15:14:06,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 324. [2025-03-17 15:14:06,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 240 states have (on average 1.4708333333333334) internal successors, (353), 300 states have internal predecessors, (353), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:14:06,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 395 transitions. [2025-03-17 15:14:06,531 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 395 transitions. Word has length 97 [2025-03-17 15:14:06,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:06,532 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 395 transitions. [2025-03-17 15:14:06,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 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) [2025-03-17 15:14:06,532 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 395 transitions. [2025-03-17 15:14:06,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-03-17 15:14:06,533 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:06,533 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:06,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:06,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:06,733 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:06,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:06,734 INFO L85 PathProgramCache]: Analyzing trace with hash -662920367, now seen corresponding path program 1 times [2025-03-17 15:14:06,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:06,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943385718] [2025-03-17 15:14:06,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:06,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:06,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-17 15:14:06,741 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-17 15:14:06,741 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:06,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:06,802 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:06,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:06,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943385718] [2025-03-17 15:14:06,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943385718] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:06,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629085539] [2025-03-17 15:14:06,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:06,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:06,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:06,804 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) [2025-03-17 15:14:06,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-03-17 15:14:06,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-17 15:14:06,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-17 15:14:06,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:06,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:06,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:14:06,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:06,929 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:06,929 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:07,041 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:07,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629085539] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:14:07,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:14:07,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2025-03-17 15:14:07,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72973913] [2025-03-17 15:14:07,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:07,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 15:14:07,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:07,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 15:14:07,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:14:07,042 INFO L87 Difference]: Start difference. First operand 324 states and 395 transitions. Second operand has 14 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-03-17 15:14:07,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:07,236 INFO L93 Difference]: Finished difference Result 619 states and 714 transitions. [2025-03-17 15:14:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-17 15:14:07,237 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 99 [2025-03-17 15:14:07,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:07,238 INFO L225 Difference]: With dead ends: 619 [2025-03-17 15:14:07,238 INFO L226 Difference]: Without dead ends: 617 [2025-03-17 15:14:07,239 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2025-03-17 15:14:07,239 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 320 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:07,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 952 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:14:07,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2025-03-17 15:14:07,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 516. [2025-03-17 15:14:07,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 415 states have (on average 1.4337349397590362) internal successors, (595), 476 states have internal predecessors, (595), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-17 15:14:07,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 663 transitions. [2025-03-17 15:14:07,265 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 663 transitions. Word has length 99 [2025-03-17 15:14:07,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:07,265 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 663 transitions. [2025-03-17 15:14:07,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-03-17 15:14:07,265 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 663 transitions. [2025-03-17 15:14:07,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-17 15:14:07,268 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:07,268 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:07,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:07,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:07,469 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:07,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:07,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1289452850, now seen corresponding path program 1 times [2025-03-17 15:14:07,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:07,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943786331] [2025-03-17 15:14:07,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:07,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:07,476 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-17 15:14:07,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-17 15:14:07,481 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:07,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:07,537 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:07,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:07,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943786331] [2025-03-17 15:14:07,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943786331] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:14:07,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:14:07,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:14:07,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554056770] [2025-03-17 15:14:07,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:14:07,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:14:07,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:07,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:14:07,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:14:07,538 INFO L87 Difference]: Start difference. First operand 516 states and 663 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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) [2025-03-17 15:14:07,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:07,902 INFO L93 Difference]: Finished difference Result 531 states and 671 transitions. [2025-03-17 15:14:07,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:14:07,905 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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 100 [2025-03-17 15:14:07,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:07,906 INFO L225 Difference]: With dead ends: 531 [2025-03-17 15:14:07,906 INFO L226 Difference]: Without dead ends: 530 [2025-03-17 15:14:07,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:14:07,907 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 17 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:07,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 534 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:14:07,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2025-03-17 15:14:07,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 519. [2025-03-17 15:14:07,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 418 states have (on average 1.4330143540669857) internal successors, (599), 479 states have internal predecessors, (599), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-17 15:14:07,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 667 transitions. [2025-03-17 15:14:07,925 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 667 transitions. Word has length 100 [2025-03-17 15:14:07,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:07,925 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 667 transitions. [2025-03-17 15:14:07,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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) [2025-03-17 15:14:07,929 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 667 transitions. [2025-03-17 15:14:07,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-17 15:14:07,929 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:07,929 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:07,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-03-17 15:14:07,929 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:07,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:07,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1318332683, now seen corresponding path program 1 times [2025-03-17 15:14:07,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:07,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868219247] [2025-03-17 15:14:07,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:07,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:07,936 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-17 15:14:07,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 15:14:07,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:07,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:07,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1193037940] [2025-03-17 15:14:07,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:07,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:07,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:07,946 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) [2025-03-17 15:14:07,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-03-17 15:14:07,975 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-17 15:14:07,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 15:14:07,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:07,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:07,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:14:07,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:08,126 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:08,127 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:14:08,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:08,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868219247] [2025-03-17 15:14:08,127 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:08,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193037940] [2025-03-17 15:14:08,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193037940] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:14:08,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:14:08,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:14:08,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251943144] [2025-03-17 15:14:08,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:14:08,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:14:08,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:08,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:14:08,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:14:08,129 INFO L87 Difference]: Start difference. First operand 519 states and 667 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 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) [2025-03-17 15:14:08,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:08,274 INFO L93 Difference]: Finished difference Result 530 states and 670 transitions. [2025-03-17 15:14:08,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:14:08,274 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 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 101 [2025-03-17 15:14:08,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:08,275 INFO L225 Difference]: With dead ends: 530 [2025-03-17 15:14:08,275 INFO L226 Difference]: Without dead ends: 529 [2025-03-17 15:14:08,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:14:08,276 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 64 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:08,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 526 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:14:08,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2025-03-17 15:14:08,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 521. [2025-03-17 15:14:08,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 420 states have (on average 1.430952380952381) internal successors, (601), 481 states have internal predecessors, (601), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-17 15:14:08,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 669 transitions. [2025-03-17 15:14:08,294 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 669 transitions. Word has length 101 [2025-03-17 15:14:08,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:08,294 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 669 transitions. [2025-03-17 15:14:08,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 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) [2025-03-17 15:14:08,295 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 669 transitions. [2025-03-17 15:14:08,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-17 15:14:08,295 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:08,295 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:08,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-03-17 15:14:08,500 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,SelfDestructingSolverStorable36 [2025-03-17 15:14:08,500 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:08,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:08,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1411309681, now seen corresponding path program 1 times [2025-03-17 15:14:08,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:08,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402540052] [2025-03-17 15:14:08,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:08,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:08,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-17 15:14:08,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 15:14:08,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:08,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:08,565 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:08,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:08,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402540052] [2025-03-17 15:14:08,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402540052] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:08,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75506456] [2025-03-17 15:14:08,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:08,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:08,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:08,568 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) [2025-03-17 15:14:08,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-03-17 15:14:08,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-17 15:14:08,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 15:14:08,609 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:08,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:08,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:14:08,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:08,703 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:08,703 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:08,779 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:08,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75506456] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:14:08,779 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:14:08,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 8 [2025-03-17 15:14:08,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983355654] [2025-03-17 15:14:08,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:08,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:14:08,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:08,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:14:08,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:14:08,780 INFO L87 Difference]: Start difference. First operand 521 states and 669 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 2 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-03-17 15:14:08,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:08,853 INFO L93 Difference]: Finished difference Result 755 states and 963 transitions. [2025-03-17 15:14:08,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:14:08,854 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 2 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 101 [2025-03-17 15:14:08,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:08,854 INFO L225 Difference]: With dead ends: 755 [2025-03-17 15:14:08,855 INFO L226 Difference]: Without dead ends: 319 [2025-03-17 15:14:08,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 197 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:14:08,855 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 129 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:08,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 637 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:14:08,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2025-03-17 15:14:08,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 307. [2025-03-17 15:14:08,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 228 states have (on average 1.4649122807017543) internal successors, (334), 284 states have internal predecessors, (334), 17 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 15:14:08,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 368 transitions. [2025-03-17 15:14:08,866 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 368 transitions. Word has length 101 [2025-03-17 15:14:08,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:08,867 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 368 transitions. [2025-03-17 15:14:08,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 2 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-03-17 15:14:08,868 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 368 transitions. [2025-03-17 15:14:08,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-17 15:14:08,868 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:08,868 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:08,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-03-17 15:14:09,069 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,SelfDestructingSolverStorable37 [2025-03-17 15:14:09,069 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:09,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:09,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1105719309, now seen corresponding path program 1 times [2025-03-17 15:14:09,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:09,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641086148] [2025-03-17 15:14:09,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:09,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:09,074 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-17 15:14:09,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-17 15:14:09,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:09,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:09,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1995810224] [2025-03-17 15:14:09,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:09,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:09,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:09,090 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) [2025-03-17 15:14:09,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-03-17 15:14:09,118 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-17 15:14:09,139 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-17 15:14:09,139 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:09,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:09,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:14:09,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:09,440 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:14:09,440 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:17,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:17,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641086148] [2025-03-17 15:14:17,557 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:17,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995810224] [2025-03-17 15:14:17,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995810224] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:17,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:17,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:14:17,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849422387] [2025-03-17 15:14:17,558 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:17,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:14:17,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:17,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:14:17,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=97, Unknown=2, NotChecked=0, Total=132 [2025-03-17 15:14:17,558 INFO L87 Difference]: Start difference. First operand 307 states and 368 transitions. Second operand has 9 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:14:17,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:17,908 INFO L93 Difference]: Finished difference Result 354 states and 410 transitions. [2025-03-17 15:14:17,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:14:17,909 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 106 [2025-03-17 15:14:17,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:17,910 INFO L225 Difference]: With dead ends: 354 [2025-03-17 15:14:17,910 INFO L226 Difference]: Without dead ends: 351 [2025-03-17 15:14:17,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=33, Invalid=97, Unknown=2, NotChecked=0, Total=132 [2025-03-17 15:14:17,910 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 319 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:17,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 631 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:14:17,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2025-03-17 15:14:17,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 308. [2025-03-17 15:14:17,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 229 states have (on average 1.4541484716157205) internal successors, (333), 285 states have internal predecessors, (333), 17 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 15:14:17,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 367 transitions. [2025-03-17 15:14:17,920 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 367 transitions. Word has length 106 [2025-03-17 15:14:17,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:17,920 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 367 transitions. [2025-03-17 15:14:17,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:14:17,920 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 367 transitions. [2025-03-17 15:14:17,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-17 15:14:17,921 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:17,921 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:17,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-03-17 15:14:18,125 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,SelfDestructingSolverStorable38 [2025-03-17 15:14:18,125 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:18,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:18,125 INFO L85 PathProgramCache]: Analyzing trace with hash 393790734, now seen corresponding path program 1 times [2025-03-17 15:14:18,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:18,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034449132] [2025-03-17 15:14:18,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:18,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:18,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-17 15:14:18,139 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-17 15:14:18,139 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:18,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:18,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [386319423] [2025-03-17 15:14:18,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:18,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:18,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:18,141 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) [2025-03-17 15:14:18,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-03-17 15:14:18,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-17 15:14:18,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-17 15:14:18,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:18,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:18,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:14:18,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:18,297 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:18,297 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:14:18,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:18,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034449132] [2025-03-17 15:14:18,298 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:18,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386319423] [2025-03-17 15:14:18,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386319423] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:14:18,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:14:18,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:14:18,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789172455] [2025-03-17 15:14:18,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:14:18,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:14:18,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:18,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:14:18,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:14:18,298 INFO L87 Difference]: Start difference. First operand 308 states and 367 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 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) [2025-03-17 15:14:18,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:18,464 INFO L93 Difference]: Finished difference Result 309 states and 367 transitions. [2025-03-17 15:14:18,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:14:18,465 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 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 106 [2025-03-17 15:14:18,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:18,466 INFO L225 Difference]: With dead ends: 309 [2025-03-17 15:14:18,466 INFO L226 Difference]: Without dead ends: 308 [2025-03-17 15:14:18,466 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:14:18,466 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 21 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:18,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 270 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:14:18,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2025-03-17 15:14:18,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2025-03-17 15:14:18,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 229 states have (on average 1.4497816593886463) internal successors, (332), 285 states have internal predecessors, (332), 17 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 15:14:18,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 366 transitions. [2025-03-17 15:14:18,489 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 366 transitions. Word has length 106 [2025-03-17 15:14:18,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:18,489 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 366 transitions. [2025-03-17 15:14:18,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 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) [2025-03-17 15:14:18,489 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 366 transitions. [2025-03-17 15:14:18,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-03-17 15:14:18,489 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:18,490 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:18,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:18,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-03-17 15:14:18,690 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:18,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:18,691 INFO L85 PathProgramCache]: Analyzing trace with hash 82439782, now seen corresponding path program 1 times [2025-03-17 15:14:18,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:18,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871899035] [2025-03-17 15:14:18,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:18,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:18,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-17 15:14:18,699 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-17 15:14:18,699 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:18,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:18,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [989675598] [2025-03-17 15:14:18,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:18,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:18,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:18,702 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) [2025-03-17 15:14:18,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-03-17 15:14:18,731 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-17 15:14:18,749 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-17 15:14:18,749 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:18,749 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:18,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:14:18,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:19,025 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:14:19,025 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:22,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:22,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871899035] [2025-03-17 15:14:22,385 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:22,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989675598] [2025-03-17 15:14:22,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989675598] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:22,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:22,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:14:22,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136137673] [2025-03-17 15:14:22,385 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:22,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:14:22,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:22,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:14:22,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=95, Unknown=1, NotChecked=0, Total=132 [2025-03-17 15:14:22,386 INFO L87 Difference]: Start difference. First operand 308 states and 366 transitions. Second operand has 9 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:14:22,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:22,705 INFO L93 Difference]: Finished difference Result 353 states and 406 transitions. [2025-03-17 15:14:22,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:14:22,705 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 107 [2025-03-17 15:14:22,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:22,706 INFO L225 Difference]: With dead ends: 353 [2025-03-17 15:14:22,706 INFO L226 Difference]: Without dead ends: 350 [2025-03-17 15:14:22,707 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=46, Invalid=109, Unknown=1, NotChecked=0, Total=156 [2025-03-17 15:14:22,707 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 415 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:22,707 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 438 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:14:22,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2025-03-17 15:14:22,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 309. [2025-03-17 15:14:22,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 230 states have (on average 1.4391304347826086) internal successors, (331), 286 states have internal predecessors, (331), 17 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 15:14:22,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 365 transitions. [2025-03-17 15:14:22,716 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 365 transitions. Word has length 107 [2025-03-17 15:14:22,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:22,716 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 365 transitions. [2025-03-17 15:14:22,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:14:22,716 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 365 transitions. [2025-03-17 15:14:22,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-03-17 15:14:22,716 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:22,716 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:22,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:22,917 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,SelfDestructingSolverStorable40 [2025-03-17 15:14:22,917 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:22,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:22,917 INFO L85 PathProgramCache]: Analyzing trace with hash -677389133, now seen corresponding path program 1 times [2025-03-17 15:14:22,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:22,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634114271] [2025-03-17 15:14:22,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:22,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:22,922 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-17 15:14:22,934 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-17 15:14:22,934 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:22,934 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:22,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1805915129] [2025-03-17 15:14:22,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:22,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:22,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:22,938 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) [2025-03-17 15:14:22,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-03-17 15:14:22,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-17 15:14:22,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-17 15:14:22,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:22,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:22,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:14:22,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:23,124 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:23,125 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:23,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:23,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634114271] [2025-03-17 15:14:23,250 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:23,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805915129] [2025-03-17 15:14:23,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805915129] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:23,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:23,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-17 15:14:23,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734009184] [2025-03-17 15:14:23,251 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:23,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:14:23,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:23,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:14:23,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:14:23,251 INFO L87 Difference]: Start difference. First operand 309 states and 365 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 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) [2025-03-17 15:14:23,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:23,428 INFO L93 Difference]: Finished difference Result 310 states and 365 transitions. [2025-03-17 15:14:23,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:14:23,428 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 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 107 [2025-03-17 15:14:23,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:23,429 INFO L225 Difference]: With dead ends: 310 [2025-03-17 15:14:23,429 INFO L226 Difference]: Without dead ends: 309 [2025-03-17 15:14:23,429 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:14:23,430 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 14 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:23,430 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 321 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:14:23,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2025-03-17 15:14:23,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2025-03-17 15:14:23,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 230 states have (on average 1.434782608695652) internal successors, (330), 286 states have internal predecessors, (330), 17 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 15:14:23,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 364 transitions. [2025-03-17 15:14:23,438 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 364 transitions. Word has length 107 [2025-03-17 15:14:23,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:23,438 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 364 transitions. [2025-03-17 15:14:23,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 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) [2025-03-17 15:14:23,438 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 364 transitions. [2025-03-17 15:14:23,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-03-17 15:14:23,439 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:23,439 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:23,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-03-17 15:14:23,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:23,639 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:23,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:23,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1739334063, now seen corresponding path program 1 times [2025-03-17 15:14:23,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:23,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192132059] [2025-03-17 15:14:23,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:23,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:23,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-17 15:14:23,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-17 15:14:23,652 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:23,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:23,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2000031431] [2025-03-17 15:14:23,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:23,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:23,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:23,658 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:14:23,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-03-17 15:14:23,685 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-17 15:14:23,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-17 15:14:23,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:23,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:23,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:14:23,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:24,035 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:14:24,035 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:24,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:24,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192132059] [2025-03-17 15:14:24,138 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:24,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000031431] [2025-03-17 15:14:24,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000031431] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:24,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:24,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-17 15:14:24,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810118423] [2025-03-17 15:14:24,138 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:24,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:14:24,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:24,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:14:24,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:14:24,140 INFO L87 Difference]: Start difference. First operand 309 states and 364 transitions. Second operand has 10 states, 8 states have (on average 9.625) internal successors, (77), 9 states have internal predecessors, (77), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:14:24,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:24,601 INFO L93 Difference]: Finished difference Result 706 states and 919 transitions. [2025-03-17 15:14:24,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:14:24,604 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 9.625) internal successors, (77), 9 states have internal predecessors, (77), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 108 [2025-03-17 15:14:24,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:24,606 INFO L225 Difference]: With dead ends: 706 [2025-03-17 15:14:24,606 INFO L226 Difference]: Without dead ends: 700 [2025-03-17 15:14:24,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:14:24,606 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 671 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:24,606 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [682 Valid, 390 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:14:24,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2025-03-17 15:14:24,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 576. [2025-03-17 15:14:24,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 480 states have (on average 1.5729166666666667) internal successors, (755), 536 states have internal predecessors, (755), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-17 15:14:24,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 823 transitions. [2025-03-17 15:14:24,622 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 823 transitions. Word has length 108 [2025-03-17 15:14:24,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:24,623 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 823 transitions. [2025-03-17 15:14:24,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 9.625) internal successors, (77), 9 states have internal predecessors, (77), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:14:24,623 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 823 transitions. [2025-03-17 15:14:24,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-03-17 15:14:24,623 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:24,623 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:24,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-03-17 15:14:24,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2025-03-17 15:14:24,828 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:24,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:24,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1915218884, now seen corresponding path program 1 times [2025-03-17 15:14:24,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:24,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350830978] [2025-03-17 15:14:24,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:24,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:24,833 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-17 15:14:24,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-17 15:14:24,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:24,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:24,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [352066476] [2025-03-17 15:14:24,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:24,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:24,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:24,846 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:14:24,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-03-17 15:14:24,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-17 15:14:24,893 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-17 15:14:24,893 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:24,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:24,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:14:24,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:25,245 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:14:25,245 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:25,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:25,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350830978] [2025-03-17 15:14:25,422 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:25,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352066476] [2025-03-17 15:14:25,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352066476] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:25,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:25,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-17 15:14:25,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847863216] [2025-03-17 15:14:25,423 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:25,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:14:25,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:25,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:14:25,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:14:25,423 INFO L87 Difference]: Start difference. First operand 576 states and 823 transitions. Second operand has 10 states, 8 states have (on average 9.75) internal successors, (78), 9 states have internal predecessors, (78), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:14:26,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:26,060 INFO L93 Difference]: Finished difference Result 889 states and 1263 transitions. [2025-03-17 15:14:26,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:14:26,060 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 9.75) internal successors, (78), 9 states have internal predecessors, (78), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 109 [2025-03-17 15:14:26,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:26,062 INFO L225 Difference]: With dead ends: 889 [2025-03-17 15:14:26,062 INFO L226 Difference]: Without dead ends: 883 [2025-03-17 15:14:26,063 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:14:26,063 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 361 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:26,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 742 Invalid, 912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:14:26,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2025-03-17 15:14:26,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 787. [2025-03-17 15:14:26,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 678 states have (on average 1.603244837758112) internal successors, (1087), 734 states have internal predecessors, (1087), 47 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2025-03-17 15:14:26,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1181 transitions. [2025-03-17 15:14:26,081 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1181 transitions. Word has length 109 [2025-03-17 15:14:26,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:26,081 INFO L471 AbstractCegarLoop]: Abstraction has 787 states and 1181 transitions. [2025-03-17 15:14:26,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 9.75) internal successors, (78), 9 states have internal predecessors, (78), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:14:26,081 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1181 transitions. [2025-03-17 15:14:26,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-03-17 15:14:26,082 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:26,082 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:26,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:26,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:26,287 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:26,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:26,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1864072145, now seen corresponding path program 1 times [2025-03-17 15:14:26,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:26,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107301793] [2025-03-17 15:14:26,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:26,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:26,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-17 15:14:26,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-17 15:14:26,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:26,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:26,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1157868692] [2025-03-17 15:14:26,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:26,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:26,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:26,298 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:14:26,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-03-17 15:14:26,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-17 15:14:26,348 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-17 15:14:26,348 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:26,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:26,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:14:26,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:26,583 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:26,583 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:14:26,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:26,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107301793] [2025-03-17 15:14:26,584 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:26,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157868692] [2025-03-17 15:14:26,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157868692] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:14:26,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:14:26,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:14:26,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494377376] [2025-03-17 15:14:26,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:14:26,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:14:26,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:26,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:14:26,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:14:26,586 INFO L87 Difference]: Start difference. First operand 787 states and 1181 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 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) [2025-03-17 15:14:26,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:26,894 INFO L93 Difference]: Finished difference Result 788 states and 1181 transitions. [2025-03-17 15:14:26,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:14:26,894 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 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 109 [2025-03-17 15:14:26,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:26,896 INFO L225 Difference]: With dead ends: 788 [2025-03-17 15:14:26,896 INFO L226 Difference]: Without dead ends: 787 [2025-03-17 15:14:26,896 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:14:26,897 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 10 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:26,897 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 377 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:14:26,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2025-03-17 15:14:26,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 787. [2025-03-17 15:14:26,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 678 states have (on average 1.6017699115044248) internal successors, (1086), 734 states have internal predecessors, (1086), 47 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2025-03-17 15:14:26,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1180 transitions. [2025-03-17 15:14:26,914 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1180 transitions. Word has length 109 [2025-03-17 15:14:26,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:26,914 INFO L471 AbstractCegarLoop]: Abstraction has 787 states and 1180 transitions. [2025-03-17 15:14:26,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 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) [2025-03-17 15:14:26,914 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1180 transitions. [2025-03-17 15:14:26,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-03-17 15:14:26,914 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:26,914 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:26,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:27,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2025-03-17 15:14:27,118 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:27,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:27,118 INFO L85 PathProgramCache]: Analyzing trace with hash -757756753, now seen corresponding path program 1 times [2025-03-17 15:14:27,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:27,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444520883] [2025-03-17 15:14:27,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:27,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:27,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-17 15:14:27,127 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-17 15:14:27,128 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:27,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:27,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1848270999] [2025-03-17 15:14:27,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:27,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:27,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:27,130 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:14:27,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-03-17 15:14:27,158 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-17 15:14:27,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-17 15:14:27,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:27,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:27,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-03-17 15:14:27,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:27,707 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:14:27,708 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:27,990 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:14:27,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:27,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444520883] [2025-03-17 15:14:27,990 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:27,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848270999] [2025-03-17 15:14:27,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848270999] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:14:27,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:14:27,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2025-03-17 15:14:27,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769925118] [2025-03-17 15:14:27,990 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:27,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-03-17 15:14:27,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:27,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-03-17 15:14:27,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2025-03-17 15:14:27,993 INFO L87 Difference]: Start difference. First operand 787 states and 1180 transitions. Second operand has 17 states, 16 states have (on average 9.375) internal successors, (150), 15 states have internal predecessors, (150), 7 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 6 states have call predecessors, (16), 7 states have call successors, (16) [2025-03-17 15:14:29,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:29,214 INFO L93 Difference]: Finished difference Result 857 states and 1265 transitions. [2025-03-17 15:14:29,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-17 15:14:29,214 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 9.375) internal successors, (150), 15 states have internal predecessors, (150), 7 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 6 states have call predecessors, (16), 7 states have call successors, (16) Word has length 110 [2025-03-17 15:14:29,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:29,216 INFO L225 Difference]: With dead ends: 857 [2025-03-17 15:14:29,216 INFO L226 Difference]: Without dead ends: 853 [2025-03-17 15:14:29,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=474, Unknown=0, NotChecked=0, Total=600 [2025-03-17 15:14:29,217 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 463 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 1312 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:29,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 542 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1312 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-17 15:14:29,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2025-03-17 15:14:29,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 790. [2025-03-17 15:14:29,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 681 states have (on average 1.5947136563876652) internal successors, (1086), 737 states have internal predecessors, (1086), 47 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2025-03-17 15:14:29,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1180 transitions. [2025-03-17 15:14:29,249 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1180 transitions. Word has length 110 [2025-03-17 15:14:29,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:29,249 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1180 transitions. [2025-03-17 15:14:29,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 9.375) internal successors, (150), 15 states have internal predecessors, (150), 7 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 6 states have call predecessors, (16), 7 states have call successors, (16) [2025-03-17 15:14:29,249 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1180 transitions. [2025-03-17 15:14:29,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-03-17 15:14:29,250 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:29,250 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:29,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:29,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2025-03-17 15:14:29,451 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:29,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:29,451 INFO L85 PathProgramCache]: Analyzing trace with hash -2015622878, now seen corresponding path program 1 times [2025-03-17 15:14:29,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:29,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557626602] [2025-03-17 15:14:29,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:29,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:29,457 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-03-17 15:14:29,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-03-17 15:14:29,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:29,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:29,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1942798531] [2025-03-17 15:14:29,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:29,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:29,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:29,468 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:14:29,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-03-17 15:14:29,495 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-03-17 15:14:29,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-03-17 15:14:29,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:29,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:29,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-17 15:14:29,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:29,886 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:29,886 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:30,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:30,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557626602] [2025-03-17 15:14:30,065 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:30,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942798531] [2025-03-17 15:14:30,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942798531] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:30,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:30,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-17 15:14:30,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133989115] [2025-03-17 15:14:30,065 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:30,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:14:30,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:30,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:14:30,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:14:30,066 INFO L87 Difference]: Start difference. First operand 790 states and 1180 transitions. Second operand has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 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) [2025-03-17 15:14:30,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:30,448 INFO L93 Difference]: Finished difference Result 818 states and 1211 transitions. [2025-03-17 15:14:30,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:14:30,450 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 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 111 [2025-03-17 15:14:30,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:30,452 INFO L225 Difference]: With dead ends: 818 [2025-03-17 15:14:30,452 INFO L226 Difference]: Without dead ends: 816 [2025-03-17 15:14:30,452 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:14:30,452 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 190 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:30,452 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 452 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:14:30,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2025-03-17 15:14:30,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 791. [2025-03-17 15:14:30,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 682 states have (on average 1.5923753665689149) internal successors, (1086), 738 states have internal predecessors, (1086), 47 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2025-03-17 15:14:30,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1180 transitions. [2025-03-17 15:14:30,477 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1180 transitions. Word has length 111 [2025-03-17 15:14:30,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:30,477 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1180 transitions. [2025-03-17 15:14:30,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 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) [2025-03-17 15:14:30,477 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1180 transitions. [2025-03-17 15:14:30,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-03-17 15:14:30,478 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:30,478 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:30,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:30,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-03-17 15:14:30,679 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:30,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:30,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1616681316, now seen corresponding path program 1 times [2025-03-17 15:14:30,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:30,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361392324] [2025-03-17 15:14:30,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:30,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:30,683 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-03-17 15:14:30,686 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-03-17 15:14:30,686 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:30,686 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:30,786 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:30,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:30,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361392324] [2025-03-17 15:14:30,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361392324] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:30,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133606205] [2025-03-17 15:14:30,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:30,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:30,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:30,789 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:14:30,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-03-17 15:14:30,816 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-03-17 15:14:30,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-03-17 15:14:30,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:30,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:30,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:14:30,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:30,919 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:30,919 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:31,016 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:31,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133606205] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:14:31,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:14:31,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 8] total 10 [2025-03-17 15:14:31,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515317766] [2025-03-17 15:14:31,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:31,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:14:31,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:31,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:14:31,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:14:31,017 INFO L87 Difference]: Start difference. First operand 791 states and 1180 transitions. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 2 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-03-17 15:14:31,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:31,091 INFO L93 Difference]: Finished difference Result 823 states and 1211 transitions. [2025-03-17 15:14:31,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:14:31,092 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 2 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 113 [2025-03-17 15:14:31,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:31,092 INFO L225 Difference]: With dead ends: 823 [2025-03-17 15:14:31,092 INFO L226 Difference]: Without dead ends: 134 [2025-03-17 15:14:31,093 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 221 SyntacticMatches, 5 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:14:31,093 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 92 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:31,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 488 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:14:31,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-03-17 15:14:31,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2025-03-17 15:14:31,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 113 states have (on average 1.079646017699115) internal successors, (122), 121 states have internal predecessors, (122), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:14:31,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 140 transitions. [2025-03-17 15:14:31,099 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 140 transitions. Word has length 113 [2025-03-17 15:14:31,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:31,099 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 140 transitions. [2025-03-17 15:14:31,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 2 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-03-17 15:14:31,099 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 140 transitions. [2025-03-17 15:14:31,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-17 15:14:31,099 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:31,099 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:31,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2025-03-17 15:14:31,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-03-17 15:14:31,300 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:31,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:31,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1358468700, now seen corresponding path program 1 times [2025-03-17 15:14:31,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:31,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336846737] [2025-03-17 15:14:31,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:31,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:31,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-17 15:14:31,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-17 15:14:31,318 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:31,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:31,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [966555847] [2025-03-17 15:14:31,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:31,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:31,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:31,322 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:14:31,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-03-17 15:14:31,353 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-17 15:14:31,372 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-17 15:14:31,372 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:31,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:31,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:14:31,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:31,606 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-17 15:14:31,606 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:31,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:31,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336846737] [2025-03-17 15:14:31,664 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:31,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966555847] [2025-03-17 15:14:31,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966555847] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:31,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:31,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-17 15:14:31,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813943834] [2025-03-17 15:14:31,664 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:31,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:14:31,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:31,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:14:31,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:14:31,665 INFO L87 Difference]: Start difference. First operand 134 states and 140 transitions. Second operand has 8 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-03-17 15:14:31,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:31,781 INFO L93 Difference]: Finished difference Result 134 states and 140 transitions. [2025-03-17 15:14:31,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:14:31,781 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 117 [2025-03-17 15:14:31,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:31,782 INFO L225 Difference]: With dead ends: 134 [2025-03-17 15:14:31,782 INFO L226 Difference]: Without dead ends: 133 [2025-03-17 15:14:31,782 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:14:31,782 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 79 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:31,782 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 224 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:14:31,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2025-03-17 15:14:31,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2025-03-17 15:14:31,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 113 states have (on average 1.0707964601769913) internal successors, (121), 120 states have internal predecessors, (121), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:14:31,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 139 transitions. [2025-03-17 15:14:31,788 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 139 transitions. Word has length 117 [2025-03-17 15:14:31,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:31,788 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 139 transitions. [2025-03-17 15:14:31,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-03-17 15:14:31,788 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2025-03-17 15:14:31,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-03-17 15:14:31,789 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:31,789 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:31,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2025-03-17 15:14:31,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2025-03-17 15:14:31,989 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:31,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:31,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1703608117, now seen corresponding path program 1 times [2025-03-17 15:14:31,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:31,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393575172] [2025-03-17 15:14:31,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:31,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:31,994 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-03-17 15:14:32,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-03-17 15:14:32,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:32,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:32,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [848987856] [2025-03-17 15:14:32,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:32,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:32,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:32,005 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:14:32,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-03-17 15:14:32,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-03-17 15:14:32,049 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-03-17 15:14:32,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:32,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:32,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-17 15:14:32,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:32,467 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:14:32,467 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:39,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:39,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393575172] [2025-03-17 15:14:39,073 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:39,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848987856] [2025-03-17 15:14:39,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848987856] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:39,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:39,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-03-17 15:14:39,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587696524] [2025-03-17 15:14:39,073 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:39,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:14:39,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:39,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:14:39,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=152, Unknown=2, NotChecked=0, Total=210 [2025-03-17 15:14:39,074 INFO L87 Difference]: Start difference. First operand 133 states and 139 transitions. Second operand has 11 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:14:39,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:39,346 INFO L93 Difference]: Finished difference Result 133 states and 139 transitions. [2025-03-17 15:14:39,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:14:39,346 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 116 [2025-03-17 15:14:39,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:39,347 INFO L225 Difference]: With dead ends: 133 [2025-03-17 15:14:39,347 INFO L226 Difference]: Without dead ends: 132 [2025-03-17 15:14:39,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=82, Invalid=188, Unknown=2, NotChecked=0, Total=272 [2025-03-17 15:14:39,347 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 25 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:39,347 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 219 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:14:39,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2025-03-17 15:14:39,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2025-03-17 15:14:39,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 113 states have (on average 1.0619469026548674) internal successors, (120), 119 states have internal predecessors, (120), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:14:39,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 138 transitions. [2025-03-17 15:14:39,353 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 138 transitions. Word has length 116 [2025-03-17 15:14:39,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:39,354 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 138 transitions. [2025-03-17 15:14:39,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:14:39,354 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 138 transitions. [2025-03-17 15:14:39,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-03-17 15:14:39,354 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:39,354 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:39,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:39,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-03-17 15:14:39,555 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:39,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:39,555 INFO L85 PathProgramCache]: Analyzing trace with hash -837143280, now seen corresponding path program 1 times [2025-03-17 15:14:39,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:39,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325026214] [2025-03-17 15:14:39,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:39,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:39,559 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-17 15:14:39,564 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-17 15:14:39,564 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:39,564 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:39,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [649278235] [2025-03-17 15:14:39,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:39,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:39,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:39,567 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:14:39,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-03-17 15:14:39,596 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-17 15:14:39,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-17 15:14:39,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:39,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:39,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:14:39,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:39,924 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-17 15:14:39,924 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:40,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:40,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325026214] [2025-03-17 15:14:40,081 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:40,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649278235] [2025-03-17 15:14:40,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649278235] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:40,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:40,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-17 15:14:40,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910153214] [2025-03-17 15:14:40,081 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:40,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:14:40,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:40,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:14:40,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:14:40,081 INFO L87 Difference]: Start difference. First operand 132 states and 138 transitions. Second operand has 8 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-03-17 15:14:40,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:40,225 INFO L93 Difference]: Finished difference Result 132 states and 138 transitions. [2025-03-17 15:14:40,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:14:40,225 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 118 [2025-03-17 15:14:40,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:40,226 INFO L225 Difference]: With dead ends: 132 [2025-03-17 15:14:40,226 INFO L226 Difference]: Without dead ends: 131 [2025-03-17 15:14:40,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:14:40,226 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 34 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:40,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 247 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:14:40,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2025-03-17 15:14:40,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2025-03-17 15:14:40,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 113 states have (on average 1.0530973451327434) internal successors, (119), 118 states have internal predecessors, (119), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:14:40,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 137 transitions. [2025-03-17 15:14:40,232 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 137 transitions. Word has length 118 [2025-03-17 15:14:40,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:40,232 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 137 transitions. [2025-03-17 15:14:40,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-03-17 15:14:40,232 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 137 transitions. [2025-03-17 15:14:40,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-17 15:14:40,233 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:40,233 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:40,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2025-03-17 15:14:40,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2025-03-17 15:14:40,434 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:40,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:40,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1272244086, now seen corresponding path program 1 times [2025-03-17 15:14:40,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:40,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647731253] [2025-03-17 15:14:40,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:40,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:40,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-17 15:14:40,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-17 15:14:40,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:40,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:40,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1299830177] [2025-03-17 15:14:40,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:40,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:40,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:40,447 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:14:40,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-03-17 15:14:40,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-17 15:14:40,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-17 15:14:40,498 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:40,498 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:40,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-17 15:14:40,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:41,078 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:14:41,078 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:55,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:55,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647731253] [2025-03-17 15:14:55,196 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:55,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299830177] [2025-03-17 15:14:55,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299830177] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:55,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:55,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-03-17 15:14:55,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097148430] [2025-03-17 15:14:55,197 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:55,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:14:55,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:55,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:14:55,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=155, Unknown=4, NotChecked=0, Total=210 [2025-03-17 15:14:55,197 INFO L87 Difference]: Start difference. First operand 131 states and 137 transitions. Second operand has 11 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:14:55,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:55,443 INFO L93 Difference]: Finished difference Result 138 states and 147 transitions. [2025-03-17 15:14:55,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:14:55,444 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 117 [2025-03-17 15:14:55,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:55,445 INFO L225 Difference]: With dead ends: 138 [2025-03-17 15:14:55,445 INFO L226 Difference]: Without dead ends: 137 [2025-03-17 15:14:55,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 13.9s TimeCoverageRelationStatistics Valid=51, Invalid=155, Unknown=4, NotChecked=0, Total=210 [2025-03-17 15:14:55,445 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 63 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:55,445 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 353 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:14:55,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2025-03-17 15:14:55,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 130. [2025-03-17 15:14:55,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 113 states have (on average 1.0442477876106195) internal successors, (118), 117 states have internal predecessors, (118), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:14:55,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 136 transitions. [2025-03-17 15:14:55,454 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 136 transitions. Word has length 117 [2025-03-17 15:14:55,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:55,454 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 136 transitions. [2025-03-17 15:14:55,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:14:55,454 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 136 transitions. [2025-03-17 15:14:55,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-03-17 15:14:55,454 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:55,454 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:14:55,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2025-03-17 15:14:55,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:55,655 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:55,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:55,655 INFO L85 PathProgramCache]: Analyzing trace with hash -784861015, now seen corresponding path program 1 times [2025-03-17 15:14:55,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:55,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734002567] [2025-03-17 15:14:55,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:55,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:55,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-17 15:14:55,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-17 15:14:55,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:55,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:55,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [193719576] [2025-03-17 15:14:55,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:55,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:55,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:55,667 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:14:55,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-03-17 15:14:55,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-17 15:14:55,715 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-17 15:14:55,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:55,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:55,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-17 15:14:55,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:56,307 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:14:56,307 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:15:05,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:05,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734002567] [2025-03-17 15:15:05,163 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:05,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193719576] [2025-03-17 15:15:05,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193719576] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:15:05,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:15:05,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-03-17 15:15:05,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096494303] [2025-03-17 15:15:05,164 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:15:05,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:15:05,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:05,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:15:05,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=190, Unknown=2, NotChecked=0, Total=240 [2025-03-17 15:15:05,164 INFO L87 Difference]: Start difference. First operand 130 states and 136 transitions. Second operand has 11 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:15:05,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:05,498 INFO L93 Difference]: Finished difference Result 137 states and 146 transitions. [2025-03-17 15:15:05,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:15:05,499 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 118 [2025-03-17 15:15:05,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:05,499 INFO L225 Difference]: With dead ends: 137 [2025-03-17 15:15:05,499 INFO L226 Difference]: Without dead ends: 136 [2025-03-17 15:15:05,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=65, Invalid=239, Unknown=2, NotChecked=0, Total=306 [2025-03-17 15:15:05,500 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 92 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:05,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 347 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:15:05,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2025-03-17 15:15:05,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 129. [2025-03-17 15:15:05,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 113 states have (on average 1.0353982300884956) internal successors, (117), 116 states have internal predecessors, (117), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:15:05,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 135 transitions. [2025-03-17 15:15:05,506 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 135 transitions. Word has length 118 [2025-03-17 15:15:05,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:05,506 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 135 transitions. [2025-03-17 15:15:05,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:15:05,506 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 135 transitions. [2025-03-17 15:15:05,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-03-17 15:15:05,506 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:05,506 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:05,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2025-03-17 15:15:05,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2025-03-17 15:15:05,707 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:15:05,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:05,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1335808434, now seen corresponding path program 1 times [2025-03-17 15:15:05,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:05,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864497836] [2025-03-17 15:15:05,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:05,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:05,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-17 15:15:05,719 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-17 15:15:05,719 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:05,719 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:05,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [970275347] [2025-03-17 15:15:05,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:05,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:05,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:05,722 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:05,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2025-03-17 15:15:05,750 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-17 15:15:05,767 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-17 15:15:05,767 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:05,767 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:05,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:15:05,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:06,067 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-17 15:15:06,067 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:15:06,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:06,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864497836] [2025-03-17 15:15:06,282 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:06,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970275347] [2025-03-17 15:15:06,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970275347] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:15:06,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:15:06,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-17 15:15:06,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416412914] [2025-03-17 15:15:06,282 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:15:06,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:15:06,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:06,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:15:06,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:15:06,283 INFO L87 Difference]: Start difference. First operand 129 states and 135 transitions. Second operand has 8 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2025-03-17 15:15:06,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:06,418 INFO L93 Difference]: Finished difference Result 129 states and 135 transitions. [2025-03-17 15:15:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:15:06,418 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 120 [2025-03-17 15:15:06,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:06,418 INFO L225 Difference]: With dead ends: 129 [2025-03-17 15:15:06,419 INFO L226 Difference]: Without dead ends: 128 [2025-03-17 15:15:06,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:15:06,419 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 85 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:06,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 182 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:15:06,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2025-03-17 15:15:06,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2025-03-17 15:15:06,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 113 states have (on average 1.0265486725663717) internal successors, (116), 115 states have internal predecessors, (116), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:15:06,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 134 transitions. [2025-03-17 15:15:06,426 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 134 transitions. Word has length 120 [2025-03-17 15:15:06,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:06,426 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 134 transitions. [2025-03-17 15:15:06,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2025-03-17 15:15:06,427 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 134 transitions. [2025-03-17 15:15:06,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-03-17 15:15:06,427 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:06,427 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:06,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2025-03-17 15:15:06,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:06,628 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:15:06,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:06,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1439112296, now seen corresponding path program 1 times [2025-03-17 15:15:06,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:06,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272808380] [2025-03-17 15:15:06,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:06,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:06,632 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-17 15:15:06,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-17 15:15:06,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:06,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:06,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1981773094] [2025-03-17 15:15:06,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:06,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:06,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:06,640 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:06,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-03-17 15:15:06,668 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-17 15:15:06,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-17 15:15:06,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:06,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:06,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-17 15:15:06,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:07,297 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:15:07,297 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:15:07,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:07,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272808380] [2025-03-17 15:15:07,930 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:07,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981773094] [2025-03-17 15:15:07,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981773094] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:15:07,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:15:07,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-17 15:15:07,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66162752] [2025-03-17 15:15:07,930 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:15:07,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:15:07,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:07,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:15:07,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2025-03-17 15:15:07,931 INFO L87 Difference]: Start difference. First operand 128 states and 134 transitions. Second operand has 12 states, 10 states have (on average 8.8) internal successors, (88), 11 states have internal predecessors, (88), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:15:08,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:08,163 INFO L93 Difference]: Finished difference Result 135 states and 143 transitions. [2025-03-17 15:15:08,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:15:08,163 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 8.8) internal successors, (88), 11 states have internal predecessors, (88), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 119 [2025-03-17 15:15:08,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:08,164 INFO L225 Difference]: With dead ends: 135 [2025-03-17 15:15:08,164 INFO L226 Difference]: Without dead ends: 134 [2025-03-17 15:15:08,164 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2025-03-17 15:15:08,164 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 62 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:08,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 332 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:15:08,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-03-17 15:15:08,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 108. [2025-03-17 15:15:08,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 94 states have (on average 1.0212765957446808) internal successors, (96), 95 states have internal predecessors, (96), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:15:08,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 114 transitions. [2025-03-17 15:15:08,169 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 114 transitions. Word has length 119 [2025-03-17 15:15:08,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:08,169 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 114 transitions. [2025-03-17 15:15:08,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 8.8) internal successors, (88), 11 states have internal predecessors, (88), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:15:08,170 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 114 transitions. [2025-03-17 15:15:08,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-03-17 15:15:08,170 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:08,170 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:08,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2025-03-17 15:15:08,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:08,370 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:15:08,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:08,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1539611480, now seen corresponding path program 1 times [2025-03-17 15:15:08,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:08,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826202680] [2025-03-17 15:15:08,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:08,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:08,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-17 15:15:08,379 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-17 15:15:08,380 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:08,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:08,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [681789758] [2025-03-17 15:15:08,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:08,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:08,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:08,383 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:08,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2025-03-17 15:15:08,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-17 15:15:08,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-17 15:15:08,428 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:08,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:08,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-17 15:15:08,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:08,740 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-17 15:15:08,740 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:15:08,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:08,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826202680] [2025-03-17 15:15:08,781 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:08,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681789758] [2025-03-17 15:15:08,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681789758] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:15:08,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:15:08,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:15:08,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704011872] [2025-03-17 15:15:08,782 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:15:08,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:15:08,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:08,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:15:08,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:15:08,782 INFO L87 Difference]: Start difference. First operand 108 states and 114 transitions. Second operand has 9 states, 7 states have (on average 12.142857142857142) internal successors, (85), 8 states have internal predecessors, (85), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-03-17 15:15:08,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:08,956 INFO L93 Difference]: Finished difference Result 108 states and 114 transitions. [2025-03-17 15:15:08,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:15:08,956 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 12.142857142857142) internal successors, (85), 8 states have internal predecessors, (85), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 121 [2025-03-17 15:15:08,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:08,956 INFO L225 Difference]: With dead ends: 108 [2025-03-17 15:15:08,956 INFO L226 Difference]: Without dead ends: 107 [2025-03-17 15:15:08,957 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:15:08,957 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 70 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:08,957 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 214 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:15:08,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2025-03-17 15:15:08,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2025-03-17 15:15:08,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 94 states have (on average 1.0106382978723405) internal successors, (95), 94 states have internal predecessors, (95), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:15:08,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 113 transitions. [2025-03-17 15:15:08,963 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 113 transitions. Word has length 121 [2025-03-17 15:15:08,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:08,963 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 113 transitions. [2025-03-17 15:15:08,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 12.142857142857142) internal successors, (85), 8 states have internal predecessors, (85), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-03-17 15:15:08,963 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 113 transitions. [2025-03-17 15:15:08,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-03-17 15:15:08,963 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:08,963 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:08,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2025-03-17 15:15:09,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2025-03-17 15:15:09,164 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:15:09,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:09,165 INFO L85 PathProgramCache]: Analyzing trace with hash 483315596, now seen corresponding path program 1 times [2025-03-17 15:15:09,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:09,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864722625] [2025-03-17 15:15:09,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:09,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:09,171 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-17 15:15:09,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-17 15:15:09,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:09,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:09,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1598047072] [2025-03-17 15:15:09,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:09,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:09,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:09,178 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:09,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2025-03-17 15:15:09,208 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-17 15:15:09,224 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-17 15:15:09,224 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:09,224 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:09,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-17 15:15:09,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:09,468 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-17 15:15:09,468 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:15:09,703 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-17 15:15:09,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:09,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864722625] [2025-03-17 15:15:09,703 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:09,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598047072] [2025-03-17 15:15:09,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598047072] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-17 15:15:09,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:15:09,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-03-17 15:15:09,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119498496] [2025-03-17 15:15:09,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:09,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:15:09,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:09,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:15:09,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:15:09,704 INFO L87 Difference]: Start difference. First operand 107 states and 113 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-03-17 15:15:10,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:10,179 INFO L93 Difference]: Finished difference Result 107 states and 113 transitions. [2025-03-17 15:15:10,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:15:10,180 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 122 [2025-03-17 15:15:10,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:10,180 INFO L225 Difference]: With dead ends: 107 [2025-03-17 15:15:10,180 INFO L226 Difference]: Without dead ends: 0 [2025-03-17 15:15:10,180 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:15:10,180 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 58 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:10,181 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 180 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:15:10,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-17 15:15:10,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-17 15:15:10,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2025-03-17 15:15:10,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-17 15:15:10,181 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 122 [2025-03-17 15:15:10,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:10,181 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 15:15:10,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-03-17 15:15:10,181 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-17 15:15:10,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-17 15:15:10,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 68 remaining) [2025-03-17 15:15:10,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 68 remaining) [2025-03-17 15:15:10,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 68 remaining) [2025-03-17 15:15:10,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 68 remaining) [2025-03-17 15:15:10,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 68 remaining) [2025-03-17 15:15:10,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 68 remaining) [2025-03-17 15:15:10,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 68 remaining) [2025-03-17 15:15:10,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 68 remaining) [2025-03-17 15:15:10,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 68 remaining) [2025-03-17 15:15:10,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 68 remaining) [2025-03-17 15:15:10,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 68 remaining) [2025-03-17 15:15:10,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 68 remaining) [2025-03-17 15:15:10,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 68 remaining) [2025-03-17 15:15:10,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 68 remaining) [2025-03-17 15:15:10,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 68 remaining) [2025-03-17 15:15:10,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 68 remaining) [2025-03-17 15:15:10,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 68 remaining) [2025-03-17 15:15:10,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 68 remaining) [2025-03-17 15:15:10,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 68 remaining) [2025-03-17 15:15:10,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 68 remaining) [2025-03-17 15:15:10,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 68 remaining) [2025-03-17 15:15:10,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 68 remaining) [2025-03-17 15:15:10,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 68 remaining) [2025-03-17 15:15:10,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 68 remaining) [2025-03-17 15:15:10,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 68 remaining) [2025-03-17 15:15:10,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 68 remaining) [2025-03-17 15:15:10,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 68 remaining) [2025-03-17 15:15:10,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 68 remaining) [2025-03-17 15:15:10,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 68 remaining) [2025-03-17 15:15:10,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 68 remaining) [2025-03-17 15:15:10,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 68 remaining) [2025-03-17 15:15:10,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 68 remaining) [2025-03-17 15:15:10,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 68 remaining) [2025-03-17 15:15:10,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 68 remaining) [2025-03-17 15:15:10,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 68 remaining) [2025-03-17 15:15:10,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 68 remaining) [2025-03-17 15:15:10,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 68 remaining) [2025-03-17 15:15:10,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 68 remaining) [2025-03-17 15:15:10,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 68 remaining) [2025-03-17 15:15:10,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 68 remaining) [2025-03-17 15:15:10,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 68 remaining) [2025-03-17 15:15:10,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 68 remaining) [2025-03-17 15:15:10,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 68 remaining) [2025-03-17 15:15:10,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 68 remaining) [2025-03-17 15:15:10,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 68 remaining) [2025-03-17 15:15:10,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 68 remaining) [2025-03-17 15:15:10,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 68 remaining) [2025-03-17 15:15:10,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 68 remaining) [2025-03-17 15:15:10,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 68 remaining) [2025-03-17 15:15:10,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 68 remaining) [2025-03-17 15:15:10,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 68 remaining) [2025-03-17 15:15:10,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 68 remaining) [2025-03-17 15:15:10,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 68 remaining) [2025-03-17 15:15:10,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 68 remaining) [2025-03-17 15:15:10,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 68 remaining) [2025-03-17 15:15:10,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 68 remaining) [2025-03-17 15:15:10,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 68 remaining) [2025-03-17 15:15:10,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 68 remaining) [2025-03-17 15:15:10,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 68 remaining) [2025-03-17 15:15:10,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 68 remaining) [2025-03-17 15:15:10,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 68 remaining) [2025-03-17 15:15:10,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 68 remaining) [2025-03-17 15:15:10,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 68 remaining) [2025-03-17 15:15:10,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 68 remaining) [2025-03-17 15:15:10,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 68 remaining) [2025-03-17 15:15:10,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 68 remaining) [2025-03-17 15:15:10,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 68 remaining) [2025-03-17 15:15:10,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 68 remaining) [2025-03-17 15:15:10,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2025-03-17 15:15:10,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2025-03-17 15:15:10,390 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:10,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.