./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed 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/freire2_valuebound10.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 4b82e8c1bcf5c03e334b6553e221218e68863b0793b3c79a9b1ece221f87e858 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 02:17:39,738 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 02:17:39,790 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 02:17:39,794 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 02:17:39,794 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 02:17:39,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 02:17:39,812 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 02:17:39,812 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 02:17:39,812 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 02:17:39,812 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 02:17:39,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 02:17:39,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 02:17:39,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 02:17:39,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 02:17:39,813 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 02:17:39,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 02:17:39,813 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 02:17:39,813 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 02:17:39,814 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 02:17:39,814 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 02:17:39,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 02:17:39,814 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 02:17:39,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 02:17:39,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 02:17:39,814 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 02:17:39,814 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 02:17:39,814 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 02:17:39,814 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 02:17:39,814 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 02:17:39,815 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 02:17:39,815 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 02:17:39,815 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 02:17:39,815 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 02:17:39,815 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 02:17:39,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:17:39,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 02:17:39,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 02:17:39,815 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 02:17:39,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 02:17:39,815 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 02:17:39,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 02:17:39,816 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 02:17:39,816 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 02:17:39,816 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 02:17:39,816 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 02:17:39,816 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 -> 4b82e8c1bcf5c03e334b6553e221218e68863b0793b3c79a9b1ece221f87e858 [2025-03-09 02:17:40,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 02:17:40,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 02:17:40,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 02:17:40,049 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 02:17:40,049 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 02:17:40,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound10.c [2025-03-09 02:17:41,260 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64185d39f/13e33793353f422397a2832864e3e921/FLAG96aea4945 [2025-03-09 02:17:41,490 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 02:17:41,490 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound10.c [2025-03-09 02:17:41,495 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64185d39f/13e33793353f422397a2832864e3e921/FLAG96aea4945 [2025-03-09 02:17:41,830 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64185d39f/13e33793353f422397a2832864e3e921 [2025-03-09 02:17:41,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 02:17:41,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 02:17:41,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 02:17:41,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 02:17:41,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 02:17:41,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:17:41" (1/1) ... [2025-03-09 02:17:41,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd3c4b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:41, skipping insertion in model container [2025-03-09 02:17:41,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:17:41" (1/1) ... [2025-03-09 02:17:41,849 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 02:17:41,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:17:41,973 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 02:17:41,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:17:41,998 INFO L204 MainTranslator]: Completed translation [2025-03-09 02:17:41,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:41 WrapperNode [2025-03-09 02:17:41,999 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 02:17:42,000 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 02:17:42,001 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 02:17:42,001 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 02:17:42,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:41" (1/1) ... [2025-03-09 02:17:42,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:41" (1/1) ... [2025-03-09 02:17:42,032 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2025-03-09 02:17:42,032 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 02:17:42,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 02:17:42,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 02:17:42,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 02:17:42,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:41" (1/1) ... [2025-03-09 02:17:42,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:41" (1/1) ... [2025-03-09 02:17:42,041 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:41" (1/1) ... [2025-03-09 02:17:42,052 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]. [2025-03-09 02:17:42,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:41" (1/1) ... [2025-03-09 02:17:42,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:41" (1/1) ... [2025-03-09 02:17:42,056 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:41" (1/1) ... [2025-03-09 02:17:42,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:41" (1/1) ... [2025-03-09 02:17:42,058 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:41" (1/1) ... [2025-03-09 02:17:42,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:41" (1/1) ... [2025-03-09 02:17:42,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 02:17:42,061 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 02:17:42,061 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 02:17:42,061 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 02:17:42,062 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:41" (1/1) ... [2025-03-09 02:17:42,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:17:42,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:17:42,094 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) [2025-03-09 02:17:42,099 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 [2025-03-09 02:17:42,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 02:17:42,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 02:17:42,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 02:17:42,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 02:17:42,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-09 02:17:42,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-09 02:17:42,160 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 02:17:42,162 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 02:17:42,490 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2025-03-09 02:17:42,490 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 02:17:42,502 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 02:17:42,503 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 02:17:42,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:17:42 BoogieIcfgContainer [2025-03-09 02:17:42,503 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 02:17:42,505 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 02:17:42,505 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 02:17:42,509 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 02:17:42,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 02:17:41" (1/3) ... [2025-03-09 02:17:42,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@725adebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:17:42, skipping insertion in model container [2025-03-09 02:17:42,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:41" (2/3) ... [2025-03-09 02:17:42,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@725adebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:17:42, skipping insertion in model container [2025-03-09 02:17:42,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:17:42" (3/3) ... [2025-03-09 02:17:42,513 INFO L128 eAbstractionObserver]: Analyzing ICFG freire2_valuebound10.c [2025-03-09 02:17:42,525 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 02:17:42,528 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG freire2_valuebound10.c that has 2 procedures, 141 locations, 1 initial locations, 1 loop locations, and 60 error locations. [2025-03-09 02:17:42,577 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 02:17:42,588 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;@20707d1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 02:17:42,589 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2025-03-09 02:17:42,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 73 states have (on average 1.8767123287671232) internal successors, (137), 133 states have internal predecessors, (137), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-09 02:17:42,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-09 02:17:42,600 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:17:42,600 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-09 02:17:42,602 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-09 02:17:42,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:17:42,607 INFO L85 PathProgramCache]: Analyzing trace with hash 160290437, now seen corresponding path program 1 times [2025-03-09 02:17:42,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:17:42,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350085558] [2025-03-09 02:17:42,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:17:42,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:17:42,675 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-09 02:17:42,689 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-09 02:17:42,689 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:17:42,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:17:42,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:17:42,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:17:42,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350085558] [2025-03-09 02:17:42,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350085558] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:17:42,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:17:42,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:17:42,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829742302] [2025-03-09 02:17:42,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:17:42,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 02:17:42,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:17:42,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 02:17:42,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 02:17:42,751 INFO L87 Difference]: Start difference. First operand has 141 states, 73 states have (on average 1.8767123287671232) internal successors, (137), 133 states have internal predecessors, (137), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:17:42,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:17:42,777 INFO L93 Difference]: Finished difference Result 272 states and 299 transitions. [2025-03-09 02:17:42,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-09 02:17:42,779 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-09 02:17:42,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:17:42,783 INFO L225 Difference]: With dead ends: 272 [2025-03-09 02:17:42,783 INFO L226 Difference]: Without dead ends: 128 [2025-03-09 02:17:42,788 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 02:17:42,791 INFO L435 NwaCegarLoop]: 139 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, 139 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 [2025-03-09 02:17:42,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:17:42,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2025-03-09 02:17:42,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2025-03-09 02:17:42,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 68 states have (on average 1.7941176470588236) internal successors, (122), 121 states have internal predecessors, (122), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:17:42,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 132 transitions. [2025-03-09 02:17:42,835 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 132 transitions. Word has length 5 [2025-03-09 02:17:42,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:17:42,835 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 132 transitions. [2025-03-09 02:17:42,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:17:42,835 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 132 transitions. [2025-03-09 02:17:42,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-09 02:17:42,836 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:17:42,836 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-09 02:17:42,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 02:17:42,836 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-09 02:17:42,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:17:42,837 INFO L85 PathProgramCache]: Analyzing trace with hash 160291398, now seen corresponding path program 1 times [2025-03-09 02:17:42,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:17:42,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328846263] [2025-03-09 02:17:42,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:17:42,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:17:42,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-09 02:17:42,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-09 02:17:42,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:17:42,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:17:42,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:17:42,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:17:42,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328846263] [2025-03-09 02:17:42,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328846263] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:17:42,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:17:42,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:17:42,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169028380] [2025-03-09 02:17:42,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:17:42,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:17:42,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:17:42,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:17:42,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:17:42,907 INFO L87 Difference]: Start difference. First operand 128 states and 132 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:17:43,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:17:43,186 INFO L93 Difference]: Finished difference Result 240 states and 257 transitions. [2025-03-09 02:17:43,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:17:43,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-09 02:17:43,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:17:43,192 INFO L225 Difference]: With dead ends: 240 [2025-03-09 02:17:43,192 INFO L226 Difference]: Without dead ends: 189 [2025-03-09 02:17:43,193 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 [2025-03-09 02:17:43,193 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 60 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:17:43,194 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 82 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:17:43,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2025-03-09 02:17:43,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2025-03-09 02:17:43,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 125 states have (on average 1.496) internal successors, (187), 178 states have internal predecessors, (187), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-09 02:17:43,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 205 transitions. [2025-03-09 02:17:43,218 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 205 transitions. Word has length 5 [2025-03-09 02:17:43,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:17:43,218 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 205 transitions. [2025-03-09 02:17:43,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:17:43,218 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 205 transitions. [2025-03-09 02:17:43,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-09 02:17:43,218 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:17:43,218 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:17:43,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 02:17:43,218 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-09 02:17:43,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:17:43,219 INFO L85 PathProgramCache]: Analyzing trace with hash 2132393986, now seen corresponding path program 1 times [2025-03-09 02:17:43,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:17:43,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288430593] [2025-03-09 02:17:43,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:17:43,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:17:43,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-09 02:17:43,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-09 02:17:43,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:17:43,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:17:43,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1533291834] [2025-03-09 02:17:43,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:17:43,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:17:43,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:17:43,243 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) [2025-03-09 02:17:43,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 02:17:43,272 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-09 02:17:43,277 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-09 02:17:43,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:17:43,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 02:17:43,277 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 02:17:43,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-09 02:17:43,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-09 02:17:43,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:17:43,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 02:17:43,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 02:17:43,290 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-09 02:17:43,291 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 60 remaining) [2025-03-09 02:17:43,292 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 60 remaining) [2025-03-09 02:17:43,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 60 remaining) [2025-03-09 02:17:43,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 60 remaining) [2025-03-09 02:17:43,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 60 remaining) [2025-03-09 02:17:43,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 60 remaining) [2025-03-09 02:17:43,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 60 remaining) [2025-03-09 02:17:43,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 60 remaining) [2025-03-09 02:17:43,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 60 remaining) [2025-03-09 02:17:43,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 60 remaining) [2025-03-09 02:17:43,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 60 remaining) [2025-03-09 02:17:43,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 60 remaining) [2025-03-09 02:17:43,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 60 remaining) [2025-03-09 02:17:43,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 60 remaining) [2025-03-09 02:17:43,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 60 remaining) [2025-03-09 02:17:43,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 60 remaining) [2025-03-09 02:17:43,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 60 remaining) [2025-03-09 02:17:43,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 60 remaining) [2025-03-09 02:17:43,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 60 remaining) [2025-03-09 02:17:43,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 60 remaining) [2025-03-09 02:17:43,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 60 remaining) [2025-03-09 02:17:43,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 60 remaining) [2025-03-09 02:17:43,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 60 remaining) [2025-03-09 02:17:43,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 60 remaining) [2025-03-09 02:17:43,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 60 remaining) [2025-03-09 02:17:43,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 60 remaining) [2025-03-09 02:17:43,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 60 remaining) [2025-03-09 02:17:43,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 60 remaining) [2025-03-09 02:17:43,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 60 remaining) [2025-03-09 02:17:43,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 60 remaining) [2025-03-09 02:17:43,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 60 remaining) [2025-03-09 02:17:43,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 60 remaining) [2025-03-09 02:17:43,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 60 remaining) [2025-03-09 02:17:43,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 60 remaining) [2025-03-09 02:17:43,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 60 remaining) [2025-03-09 02:17:43,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 60 remaining) [2025-03-09 02:17:43,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 60 remaining) [2025-03-09 02:17:43,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 60 remaining) [2025-03-09 02:17:43,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 60 remaining) [2025-03-09 02:17:43,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 60 remaining) [2025-03-09 02:17:43,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 60 remaining) [2025-03-09 02:17:43,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 60 remaining) [2025-03-09 02:17:43,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 60 remaining) [2025-03-09 02:17:43,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 60 remaining) [2025-03-09 02:17:43,296 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 60 remaining) [2025-03-09 02:17:43,296 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 60 remaining) [2025-03-09 02:17:43,296 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 60 remaining) [2025-03-09 02:17:43,296 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 60 remaining) [2025-03-09 02:17:43,296 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 60 remaining) [2025-03-09 02:17:43,296 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 60 remaining) [2025-03-09 02:17:43,296 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 60 remaining) [2025-03-09 02:17:43,296 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 60 remaining) [2025-03-09 02:17:43,296 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 60 remaining) [2025-03-09 02:17:43,296 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 60 remaining) [2025-03-09 02:17:43,296 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 60 remaining) [2025-03-09 02:17:43,297 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 60 remaining) [2025-03-09 02:17:43,297 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 60 remaining) [2025-03-09 02:17:43,297 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 60 remaining) [2025-03-09 02:17:43,297 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 60 remaining) [2025-03-09 02:17:43,297 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 60 remaining) [2025-03-09 02:17:43,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 02:17:43,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:17:43,504 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-09 02:17:43,515 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-09 02:17:43,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.03 02:17:43 BoogieIcfgContainer [2025-03-09 02:17:43,518 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-09 02:17:43,519 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 02:17:43,519 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 02:17:43,519 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 02:17:43,519 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:17:42" (3/4) ... [2025-03-09 02:17:43,521 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-09 02:17:43,522 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 02:17:43,522 INFO L158 Benchmark]: Toolchain (without parser) took 1689.75ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 100.0MB in the end (delta: 9.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2025-03-09 02:17:43,522 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 02:17:43,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165.64ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 97.8MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 02:17:43,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.95ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 96.7MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 02:17:43,523 INFO L158 Benchmark]: Boogie Preprocessor took 27.54ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 94.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 02:17:43,523 INFO L158 Benchmark]: IcfgBuilder took 442.18ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 73.4MB in the end (delta: 21.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 02:17:43,523 INFO L158 Benchmark]: TraceAbstraction took 1013.16ms. Allocated memory is still 142.6MB. Free memory was 72.7MB in the beginning and 100.1MB in the end (delta: -27.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 02:17:43,524 INFO L158 Benchmark]: Witness Printer took 2.95ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 100.0MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 02:17:43,525 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 165.64ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 97.8MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.95ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 96.7MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.54ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 94.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 442.18ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 73.4MB in the end (delta: 21.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1013.16ms. Allocated memory is still 142.6MB. Free memory was 72.7MB in the beginning and 100.1MB in the end (delta: -27.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.95ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 100.0MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of to_int at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 28. Possible FailurePath: [L25] int r; [L26] double a, x, s; [L27] a = __VERIFIER_nondet_double() [L28] CALL assume_abort_if_not(a>=0 && a<=10) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=10) [L29] x = a [L30] s = 3.25 [L31] r = 1 VAL [r=1] [L34] EXPR 12*r VAL [r=1] [L34] EXPR 12*r*r VAL [r=1] [L34] (int)(4*s) - 12*r*r - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 141 locations, 155 edges, 60 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 221 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 181 IncrementalHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 204 mSDtfsCounter, 181 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=189occurred in iteration=2, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-09 02:17:43,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/freire2_valuebound10.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.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 4b82e8c1bcf5c03e334b6553e221218e68863b0793b3c79a9b1ece221f87e858 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 02:17:45,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 02:17:45,564 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2025-03-09 02:17:45,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 02:17:45,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 02:17:45,594 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 02:17:45,595 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 02:17:45,595 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 02:17:45,596 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 02:17:45,596 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 02:17:45,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 02:17:45,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 02:17:45,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 02:17:45,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 02:17:45,597 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 02:17:45,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 02:17:45,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 02:17:45,597 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 02:17:45,597 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 02:17:45,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 02:17:45,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 02:17:45,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 02:17:45,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 02:17:45,597 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-09 02:17:45,597 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-09 02:17:45,597 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 02:17:45,598 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-09 02:17:45,598 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 02:17:45,598 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 02:17:45,598 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 02:17:45,598 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 02:17:45,598 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 02:17:45,598 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 02:17:45,598 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 02:17:45,598 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 02:17:45,598 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 02:17:45,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:17:45,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 02:17:45,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 02:17:45,598 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 02:17:45,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 02:17:45,598 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-09 02:17:45,598 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-09 02:17:45,598 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 02:17:45,598 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 02:17:45,598 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 02:17:45,598 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 02:17:45,598 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 -> 4b82e8c1bcf5c03e334b6553e221218e68863b0793b3c79a9b1ece221f87e858 [2025-03-09 02:17:45,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 02:17:45,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 02:17:45,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 02:17:45,871 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 02:17:45,871 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 02:17:45,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound10.c [2025-03-09 02:17:47,029 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75acb9b87/b68e2ee7aabe472c9c6ba8079e4394ab/FLAG2ace22192 [2025-03-09 02:17:47,217 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 02:17:47,217 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound10.c [2025-03-09 02:17:47,225 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75acb9b87/b68e2ee7aabe472c9c6ba8079e4394ab/FLAG2ace22192 [2025-03-09 02:17:47,592 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75acb9b87/b68e2ee7aabe472c9c6ba8079e4394ab [2025-03-09 02:17:47,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 02:17:47,595 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 02:17:47,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 02:17:47,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 02:17:47,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 02:17:47,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:17:47" (1/1) ... [2025-03-09 02:17:47,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20997701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:47, skipping insertion in model container [2025-03-09 02:17:47,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:17:47" (1/1) ... [2025-03-09 02:17:47,610 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 02:17:47,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:17:47,743 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 02:17:47,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:17:47,769 INFO L204 MainTranslator]: Completed translation [2025-03-09 02:17:47,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:47 WrapperNode [2025-03-09 02:17:47,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 02:17:47,771 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 02:17:47,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 02:17:47,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 02:17:47,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:47" (1/1) ... [2025-03-09 02:17:47,781 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:47" (1/1) ... [2025-03-09 02:17:47,797 INFO L138 Inliner]: procedures = 15, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 104 [2025-03-09 02:17:47,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 02:17:47,798 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 02:17:47,798 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 02:17:47,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 02:17:47,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:47" (1/1) ... [2025-03-09 02:17:47,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:47" (1/1) ... [2025-03-09 02:17:47,806 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:47" (1/1) ... [2025-03-09 02:17:47,813 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]. [2025-03-09 02:17:47,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:47" (1/1) ... [2025-03-09 02:17:47,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:47" (1/1) ... [2025-03-09 02:17:47,819 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:47" (1/1) ... [2025-03-09 02:17:47,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:47" (1/1) ... [2025-03-09 02:17:47,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:47" (1/1) ... [2025-03-09 02:17:47,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:47" (1/1) ... [2025-03-09 02:17:47,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 02:17:47,824 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 02:17:47,824 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 02:17:47,825 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 02:17:47,825 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:47" (1/1) ... [2025-03-09 02:17:47,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:17:47,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:17:47,859 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) [2025-03-09 02:17:47,869 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 [2025-03-09 02:17:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 02:17:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-09 02:17:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 02:17:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 02:17:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-09 02:17:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-09 02:17:47,940 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 02:17:47,942 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 02:18:30,155 INFO L? ?]: Removed 77 outVars from TransFormulas that were not future-live. [2025-03-09 02:18:30,155 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 02:18:30,166 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 02:18:30,166 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 02:18:30,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:18:30 BoogieIcfgContainer [2025-03-09 02:18:30,167 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 02:18:30,168 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 02:18:30,168 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 02:18:30,172 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 02:18:30,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 02:17:47" (1/3) ... [2025-03-09 02:18:30,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a97ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:18:30, skipping insertion in model container [2025-03-09 02:18:30,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:17:47" (2/3) ... [2025-03-09 02:18:30,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a97ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:18:30, skipping insertion in model container [2025-03-09 02:18:30,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:18:30" (3/3) ... [2025-03-09 02:18:30,174 INFO L128 eAbstractionObserver]: Analyzing ICFG freire2_valuebound10.c [2025-03-09 02:18:30,184 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 02:18:30,185 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG freire2_valuebound10.c that has 2 procedures, 141 locations, 1 initial locations, 1 loop locations, and 60 error locations. [2025-03-09 02:18:30,218 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 02:18:30,229 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;@1bea03ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 02:18:30,229 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2025-03-09 02:18:30,232 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 73 states have (on average 1.8767123287671232) internal successors, (137), 133 states have internal predecessors, (137), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-09 02:18:30,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-09 02:18:30,235 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:18:30,235 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-09 02:18:30,236 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-09 02:18:30,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:18:30,240 INFO L85 PathProgramCache]: Analyzing trace with hash 160290437, now seen corresponding path program 1 times [2025-03-09 02:18:30,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 02:18:30,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2083340331] [2025-03-09 02:18:30,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:18:30,247 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-09 02:18:30,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-09 02:18:30,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-09 02:18:30,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-09 02:18:30,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-09 02:18:30,286 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-09 02:18:30,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:18:30,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:18:30,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-09 02:18:30,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:18:30,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:18:30,302 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:18:30,303 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-09 02:18:30,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2083340331] [2025-03-09 02:18:30,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2083340331] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:18:30,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:18:30,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:18:30,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743574693] [2025-03-09 02:18:30,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:18:30,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 02:18:30,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-09 02:18:30,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 02:18:30,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 02:18:30,329 INFO L87 Difference]: Start difference. First operand has 141 states, 73 states have (on average 1.8767123287671232) internal successors, (137), 133 states have internal predecessors, (137), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:18:30,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:18:30,370 INFO L93 Difference]: Finished difference Result 277 states and 299 transitions. [2025-03-09 02:18:30,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-09 02:18:30,371 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-09 02:18:30,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:18:30,376 INFO L225 Difference]: With dead ends: 277 [2025-03-09 02:18:30,377 INFO L226 Difference]: Without dead ends: 133 [2025-03-09 02:18:30,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 02:18:30,383 INFO L435 NwaCegarLoop]: 144 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, 144 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 [2025-03-09 02:18:30,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:18:30,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2025-03-09 02:18:30,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2025-03-09 02:18:30,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 68 states have (on average 1.8676470588235294) internal successors, (127), 126 states have internal predecessors, (127), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:18:30,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 137 transitions. [2025-03-09 02:18:30,423 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 137 transitions. Word has length 5 [2025-03-09 02:18:30,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:18:30,424 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 137 transitions. [2025-03-09 02:18:30,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:18:30,424 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 137 transitions. [2025-03-09 02:18:30,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-09 02:18:30,425 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:18:30,425 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-09 02:18:30,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2025-03-09 02:18:30,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-09 02:18:30,628 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-09 02:18:30,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:18:30,629 INFO L85 PathProgramCache]: Analyzing trace with hash 160291398, now seen corresponding path program 1 times [2025-03-09 02:18:30,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 02:18:30,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426456050] [2025-03-09 02:18:30,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:18:30,630 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-09 02:18:30,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-09 02:18:30,632 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-09 02:18:30,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-09 02:18:30,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-09 02:18:30,659 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-09 02:18:30,659 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:18:30,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:18:30,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-09 02:18:30,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:18:30,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:18:30,696 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:18:30,696 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-09 02:18:30,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426456050] [2025-03-09 02:18:30,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [426456050] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:18:30,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:18:30,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:18:30,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542168988] [2025-03-09 02:18:30,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:18:30,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:18:30,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-09 02:18:30,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:18:30,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:18:30,699 INFO L87 Difference]: Start difference. First operand 133 states and 137 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:18:32,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-09 02:18:37,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-09 02:18:41,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-09 02:18:44,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-09 02:18:54,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-09 02:18:58,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-09 02:19:03,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-09 02:19:07,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-09 02:19:11,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-09 02:19:13,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-09 02:19:17,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-09 02:19:20,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-09 02:19:27,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []