/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/bitvector/soft_float_1-1.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 17:42:13,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 17:42:13,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 17:42:13,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 17:42:13,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 17:42:13,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 17:42:13,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 17:42:13,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 17:42:13,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 17:42:13,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 17:42:13,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 17:42:13,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 17:42:13,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 17:42:13,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 17:42:13,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 17:42:13,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 17:42:13,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 17:42:13,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 17:42:13,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 17:42:14,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 17:42:14,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 17:42:14,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 17:42:14,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 17:42:14,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 17:42:14,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 17:42:14,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 17:42:14,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 17:42:14,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 17:42:14,027 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 17:42:14,057 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 17:42:14,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 17:42:14,058 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 17:42:14,058 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 17:42:14,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 17:42:14,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 17:42:14,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 17:42:14,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 17:42:14,061 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 17:42:14,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 17:42:14,061 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 17:42:14,061 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 17:42:14,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 17:42:14,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 17:42:14,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 17:42:14,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 17:42:14,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 17:42:14,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 17:42:14,063 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 17:42:14,063 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 17:42:14,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 17:42:14,063 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 17:42:14,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 17:42:14,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 17:42:14,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 17:42:14,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 17:42:14,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:42:14,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 17:42:14,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 17:42:14,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 17:42:14,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 17:42:14,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 17:42:14,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 17:42:14,066 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 17:42:14,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 17:42:14,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 17:42:14,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 17:42:14,507 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 17:42:14,508 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 17:42:14,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_1-1.c.cil.c [2022-10-16 17:42:14,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f687b77f7/c2d53712d63b44ee81b4512ba4af3ac9/FLAGe49a1db7d [2022-10-16 17:42:15,330 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 17:42:15,333 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_1-1.c.cil.c [2022-10-16 17:42:15,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f687b77f7/c2d53712d63b44ee81b4512ba4af3ac9/FLAGe49a1db7d [2022-10-16 17:42:15,363 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f687b77f7/c2d53712d63b44ee81b4512ba4af3ac9 [2022-10-16 17:42:15,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 17:42:15,372 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 17:42:15,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 17:42:15,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 17:42:15,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 17:42:15,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:42:15" (1/1) ... [2022-10-16 17:42:15,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa74562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:15, skipping insertion in model container [2022-10-16 17:42:15,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:42:15" (1/1) ... [2022-10-16 17:42:15,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 17:42:15,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 17:42:15,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_1-1.c.cil.c[729,742] [2022-10-16 17:42:15,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:42:15,741 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 17:42:15,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_1-1.c.cil.c[729,742] [2022-10-16 17:42:15,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:42:15,814 INFO L208 MainTranslator]: Completed translation [2022-10-16 17:42:15,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:15 WrapperNode [2022-10-16 17:42:15,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 17:42:15,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 17:42:15,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 17:42:15,816 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 17:42:15,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:15" (1/1) ... [2022-10-16 17:42:15,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:15" (1/1) ... [2022-10-16 17:42:15,918 INFO L138 Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 228 [2022-10-16 17:42:15,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 17:42:15,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 17:42:15,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 17:42:15,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 17:42:15,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:15" (1/1) ... [2022-10-16 17:42:15,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:15" (1/1) ... [2022-10-16 17:42:15,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:15" (1/1) ... [2022-10-16 17:42:15,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:15" (1/1) ... [2022-10-16 17:42:15,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:15" (1/1) ... [2022-10-16 17:42:15,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:15" (1/1) ... [2022-10-16 17:42:15,974 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:15" (1/1) ... [2022-10-16 17:42:15,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:15" (1/1) ... [2022-10-16 17:42:15,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 17:42:15,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 17:42:15,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 17:42:15,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 17:42:15,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:15" (1/1) ... [2022-10-16 17:42:15,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:42:16,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:42:16,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 17:42:16,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 17:42:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 17:42:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 17:42:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2022-10-16 17:42:16,105 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2022-10-16 17:42:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 17:42:16,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 17:42:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-16 17:42:16,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-16 17:42:16,200 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 17:42:16,203 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 17:42:17,101 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 17:42:17,121 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 17:42:17,122 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-16 17:42:17,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:42:17 BoogieIcfgContainer [2022-10-16 17:42:17,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 17:42:17,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 17:42:17,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 17:42:17,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 17:42:17,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 05:42:15" (1/3) ... [2022-10-16 17:42:17,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15a47003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:42:17, skipping insertion in model container [2022-10-16 17:42:17,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:15" (2/3) ... [2022-10-16 17:42:17,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15a47003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:42:17, skipping insertion in model container [2022-10-16 17:42:17,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:42:17" (3/3) ... [2022-10-16 17:42:17,140 INFO L112 eAbstractionObserver]: Analyzing ICFG soft_float_1-1.c.cil.c [2022-10-16 17:42:17,163 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 17:42:17,163 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-10-16 17:42:17,264 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 17:42:17,291 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@77dd94b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 17:42:17,291 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-10-16 17:42:17,302 INFO L276 IsEmpty]: Start isEmpty. Operand has 156 states, 117 states have (on average 1.8034188034188035) internal successors, (211), 147 states have internal predecessors, (211), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-10-16 17:42:17,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 17:42:17,311 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:42:17,312 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:42:17,313 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:42:17,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:42:17,321 INFO L85 PathProgramCache]: Analyzing trace with hash 368100125, now seen corresponding path program 1 times [2022-10-16 17:42:17,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:42:17,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002540856] [2022-10-16 17:42:17,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:42:17,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:42:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:42:17,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:42:17,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:42:17,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002540856] [2022-10-16 17:42:17,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002540856] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:42:17,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:42:17,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 17:42:17,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541899100] [2022-10-16 17:42:17,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:42:17,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 17:42:17,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:42:17,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 17:42:17,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 17:42:17,595 INFO L87 Difference]: Start difference. First operand has 156 states, 117 states have (on average 1.8034188034188035) internal successors, (211), 147 states have internal predecessors, (211), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:42:17,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:42:17,686 INFO L93 Difference]: Finished difference Result 307 states and 458 transitions. [2022-10-16 17:42:17,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 17:42:17,690 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-10-16 17:42:17,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:42:17,705 INFO L225 Difference]: With dead ends: 307 [2022-10-16 17:42:17,706 INFO L226 Difference]: Without dead ends: 121 [2022-10-16 17:42:17,714 INFO L412 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 [2022-10-16 17:42:17,719 INFO L413 NwaCegarLoop]: 207 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, 207 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 [2022-10-16 17:42:17,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:42:17,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-10-16 17:42:17,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2022-10-16 17:42:17,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 88 states have (on average 1.5909090909090908) internal successors, (140), 113 states have internal predecessors, (140), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-10-16 17:42:17,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 150 transitions. [2022-10-16 17:42:17,775 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 150 transitions. Word has length 9 [2022-10-16 17:42:17,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:42:17,776 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 150 transitions. [2022-10-16 17:42:17,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:42:17,776 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 150 transitions. [2022-10-16 17:42:17,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 17:42:17,778 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:42:17,778 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:42:17,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 17:42:17,779 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:42:17,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:42:17,780 INFO L85 PathProgramCache]: Analyzing trace with hash 367158777, now seen corresponding path program 1 times [2022-10-16 17:42:17,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:42:17,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267559178] [2022-10-16 17:42:17,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:42:17,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:42:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:42:17,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:42:17,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:42:17,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267559178] [2022-10-16 17:42:17,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267559178] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:42:17,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:42:17,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:42:17,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636392368] [2022-10-16 17:42:17,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:42:17,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 17:42:17,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:42:17,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 17:42:17,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:42:17,906 INFO L87 Difference]: Start difference. First operand 121 states and 150 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:42:18,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:42:18,042 INFO L93 Difference]: Finished difference Result 304 states and 388 transitions. [2022-10-16 17:42:18,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 17:42:18,043 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-10-16 17:42:18,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:42:18,047 INFO L225 Difference]: With dead ends: 304 [2022-10-16 17:42:18,047 INFO L226 Difference]: Without dead ends: 186 [2022-10-16 17:42:18,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:42:18,051 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 100 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:42:18,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 398 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:42:18,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-10-16 17:42:18,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 170. [2022-10-16 17:42:18,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 136 states have (on average 1.6102941176470589) internal successors, (219), 161 states have internal predecessors, (219), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-10-16 17:42:18,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 229 transitions. [2022-10-16 17:42:18,074 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 229 transitions. Word has length 9 [2022-10-16 17:42:18,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:42:18,075 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 229 transitions. [2022-10-16 17:42:18,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:42:18,075 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 229 transitions. [2022-10-16 17:42:18,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 17:42:18,076 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:42:18,076 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:42:18,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 17:42:18,077 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:42:18,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:42:18,082 INFO L85 PathProgramCache]: Analyzing trace with hash 488738546, now seen corresponding path program 1 times [2022-10-16 17:42:18,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:42:18,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866638828] [2022-10-16 17:42:18,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:42:18,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:42:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:42:18,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:42:18,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:42:18,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866638828] [2022-10-16 17:42:18,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866638828] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:42:18,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:42:18,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:42:18,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789940177] [2022-10-16 17:42:18,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:42:18,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 17:42:18,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:42:18,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 17:42:18,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:42:18,354 INFO L87 Difference]: Start difference. First operand 170 states and 229 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:42:18,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:42:18,451 INFO L93 Difference]: Finished difference Result 315 states and 409 transitions. [2022-10-16 17:42:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 17:42:18,452 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-10-16 17:42:18,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:42:18,454 INFO L225 Difference]: With dead ends: 315 [2022-10-16 17:42:18,454 INFO L226 Difference]: Without dead ends: 150 [2022-10-16 17:42:18,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:42:18,457 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 33 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:42:18,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 408 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:42:18,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-10-16 17:42:18,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 135. [2022-10-16 17:42:18,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 101 states have (on average 1.5940594059405941) internal successors, (161), 126 states have internal predecessors, (161), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-10-16 17:42:18,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 171 transitions. [2022-10-16 17:42:18,473 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 171 transitions. Word has length 12 [2022-10-16 17:42:18,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:42:18,473 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 171 transitions. [2022-10-16 17:42:18,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:42:18,474 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 171 transitions. [2022-10-16 17:42:18,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 17:42:18,475 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:42:18,475 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:42:18,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 17:42:18,476 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:42:18,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:42:18,477 INFO L85 PathProgramCache]: Analyzing trace with hash 71595193, now seen corresponding path program 1 times [2022-10-16 17:42:18,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:42:18,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062160009] [2022-10-16 17:42:18,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:42:18,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:42:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:42:18,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 17:42:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:42:18,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:42:18,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:42:18,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062160009] [2022-10-16 17:42:18,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062160009] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:42:18,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132016876] [2022-10-16 17:42:18,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:42:18,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:42:18,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:42:18,614 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) [2022-10-16 17:42:18,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 17:42:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:42:18,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 17:42:18,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:42:18,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:42:18,785 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 17:42:18,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132016876] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:42:18,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 17:42:18,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2022-10-16 17:42:18,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109126164] [2022-10-16 17:42:18,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:42:18,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 17:42:18,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:42:18,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 17:42:18,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 17:42:18,794 INFO L87 Difference]: Start difference. First operand 135 states and 171 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 17:42:18,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:42:18,942 INFO L93 Difference]: Finished difference Result 208 states and 277 transitions. [2022-10-16 17:42:18,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 17:42:18,943 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-10-16 17:42:18,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:42:18,945 INFO L225 Difference]: With dead ends: 208 [2022-10-16 17:42:18,945 INFO L226 Difference]: Without dead ends: 204 [2022-10-16 17:42:18,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:42:18,957 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 218 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:42:18,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 382 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:42:18,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2022-10-16 17:42:18,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 183. [2022-10-16 17:42:19,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 150 states have (on average 1.6133333333333333) internal successors, (242), 173 states have internal predecessors, (242), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-10-16 17:42:19,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 252 transitions. [2022-10-16 17:42:19,002 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 252 transitions. Word has length 16 [2022-10-16 17:42:19,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:42:19,004 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 252 transitions. [2022-10-16 17:42:19,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 17:42:19,004 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 252 transitions. [2022-10-16 17:42:19,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 17:42:19,006 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:42:19,006 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:42:19,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 17:42:19,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:42:19,222 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:42:19,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:42:19,224 INFO L85 PathProgramCache]: Analyzing trace with hash -2075516256, now seen corresponding path program 1 times [2022-10-16 17:42:19,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:42:19,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56370926] [2022-10-16 17:42:19,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:42:19,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:42:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:42:19,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 17:42:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:42:19,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 17:42:19,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:42:19,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56370926] [2022-10-16 17:42:19,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56370926] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:42:19,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709612729] [2022-10-16 17:42:19,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:42:19,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:42:19,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:42:19,303 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:42:19,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 17:42:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:42:19,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 17:42:19,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:42:19,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 17:42:19,372 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 17:42:19,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709612729] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:42:19,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 17:42:19,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 3 [2022-10-16 17:42:19,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078540202] [2022-10-16 17:42:19,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:42:19,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:42:19,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:42:19,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:42:19,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:42:19,376 INFO L87 Difference]: Start difference. First operand 183 states and 252 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 17:42:19,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:42:19,439 INFO L93 Difference]: Finished difference Result 189 states and 258 transitions. [2022-10-16 17:42:19,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:42:19,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-10-16 17:42:19,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:42:19,445 INFO L225 Difference]: With dead ends: 189 [2022-10-16 17:42:19,446 INFO L226 Difference]: Without dead ends: 188 [2022-10-16 17:42:19,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:42:19,447 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 3 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:42:19,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 263 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:42:19,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2022-10-16 17:42:19,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 182. [2022-10-16 17:42:19,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 150 states have (on average 1.6) internal successors, (240), 172 states have internal predecessors, (240), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-10-16 17:42:19,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 250 transitions. [2022-10-16 17:42:19,482 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 250 transitions. Word has length 17 [2022-10-16 17:42:19,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:42:19,483 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 250 transitions. [2022-10-16 17:42:19,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 17:42:19,483 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 250 transitions. [2022-10-16 17:42:19,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-16 17:42:19,484 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:42:19,487 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:42:19,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 17:42:19,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:42:19,689 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:42:19,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:42:19,690 INFO L85 PathProgramCache]: Analyzing trace with hash 970953633, now seen corresponding path program 1 times [2022-10-16 17:42:19,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:42:19,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279333971] [2022-10-16 17:42:19,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:42:19,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:42:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:42:19,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 17:42:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:42:19,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:42:19,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:42:19,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279333971] [2022-10-16 17:42:19,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279333971] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:42:19,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529734684] [2022-10-16 17:42:19,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:42:19,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:42:19,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:42:19,871 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:42:19,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 17:42:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:42:19,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 17:42:19,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:42:19,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:42:19,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 17:42:19,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529734684] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:42:19,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 17:42:19,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2022-10-16 17:42:19,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066000798] [2022-10-16 17:42:19,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:42:19,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 17:42:19,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:42:19,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 17:42:19,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 17:42:19,965 INFO L87 Difference]: Start difference. First operand 182 states and 250 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 17:42:20,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:42:20,102 INFO L93 Difference]: Finished difference Result 229 states and 306 transitions. [2022-10-16 17:42:20,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 17:42:20,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-10-16 17:42:20,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:42:20,105 INFO L225 Difference]: With dead ends: 229 [2022-10-16 17:42:20,105 INFO L226 Difference]: Without dead ends: 224 [2022-10-16 17:42:20,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:42:20,107 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 202 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:42:20,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 405 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:42:20,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2022-10-16 17:42:20,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 202. [2022-10-16 17:42:20,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 170 states have (on average 1.5705882352941176) internal successors, (267), 192 states have internal predecessors, (267), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-10-16 17:42:20,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 277 transitions. [2022-10-16 17:42:20,123 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 277 transitions. Word has length 18 [2022-10-16 17:42:20,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:42:20,123 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 277 transitions. [2022-10-16 17:42:20,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 17:42:20,123 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 277 transitions. [2022-10-16 17:42:20,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 17:42:20,125 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:42:20,125 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:42:20,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 17:42:20,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:42:20,339 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:42:20,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:42:20,340 INFO L85 PathProgramCache]: Analyzing trace with hash 36964402, now seen corresponding path program 1 times [2022-10-16 17:42:20,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:42:20,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983874794] [2022-10-16 17:42:20,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:42:20,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:42:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 17:42:20,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-16 17:42:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 17:42:20,405 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-16 17:42:20,406 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-16 17:42:20,407 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 28 remaining) [2022-10-16 17:42:20,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 28 remaining) [2022-10-16 17:42:20,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 28 remaining) [2022-10-16 17:42:20,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 28 remaining) [2022-10-16 17:42:20,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 28 remaining) [2022-10-16 17:42:20,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 28 remaining) [2022-10-16 17:42:20,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 28 remaining) [2022-10-16 17:42:20,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 28 remaining) [2022-10-16 17:42:20,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 28 remaining) [2022-10-16 17:42:20,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 28 remaining) [2022-10-16 17:42:20,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 28 remaining) [2022-10-16 17:42:20,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 28 remaining) [2022-10-16 17:42:20,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 28 remaining) [2022-10-16 17:42:20,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 28 remaining) [2022-10-16 17:42:20,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 28 remaining) [2022-10-16 17:42:20,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 28 remaining) [2022-10-16 17:42:20,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 28 remaining) [2022-10-16 17:42:20,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 28 remaining) [2022-10-16 17:42:20,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 28 remaining) [2022-10-16 17:42:20,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 28 remaining) [2022-10-16 17:42:20,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 28 remaining) [2022-10-16 17:42:20,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 28 remaining) [2022-10-16 17:42:20,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 28 remaining) [2022-10-16 17:42:20,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 28 remaining) [2022-10-16 17:42:20,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 28 remaining) [2022-10-16 17:42:20,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 28 remaining) [2022-10-16 17:42:20,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 28 remaining) [2022-10-16 17:42:20,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 28 remaining) [2022-10-16 17:42:20,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 17:42:20,423 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:42:20,428 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 17:42:20,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 05:42:20 BoogieIcfgContainer [2022-10-16 17:42:20,468 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 17:42:20,468 INFO L158 Benchmark]: Toolchain (without parser) took 5101.04ms. Allocated memory was 151.0MB in the beginning and 222.3MB in the end (delta: 71.3MB). Free memory was 125.3MB in the beginning and 138.2MB in the end (delta: -12.9MB). Peak memory consumption was 59.0MB. Max. memory is 8.0GB. [2022-10-16 17:42:20,469 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 151.0MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 17:42:20,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.60ms. Allocated memory is still 151.0MB. Free memory was 125.1MB in the beginning and 110.6MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-10-16 17:42:20,470 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.86ms. Allocated memory is still 151.0MB. Free memory was 110.6MB in the beginning and 108.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 17:42:20,470 INFO L158 Benchmark]: Boogie Preprocessor took 61.96ms. Allocated memory is still 151.0MB. Free memory was 108.2MB in the beginning and 106.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 17:42:20,471 INFO L158 Benchmark]: RCFGBuilder took 1145.77ms. Allocated memory is still 151.0MB. Free memory was 106.2MB in the beginning and 117.4MB in the end (delta: -11.2MB). Peak memory consumption was 14.8MB. Max. memory is 8.0GB. [2022-10-16 17:42:20,471 INFO L158 Benchmark]: TraceAbstraction took 3335.58ms. Allocated memory was 151.0MB in the beginning and 222.3MB in the end (delta: 71.3MB). Free memory was 116.3MB in the beginning and 138.2MB in the end (delta: -21.9MB). Peak memory consumption was 50.5MB. Max. memory is 8.0GB. [2022-10-16 17:42:20,473 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 151.0MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 441.60ms. Allocated memory is still 151.0MB. Free memory was 125.1MB in the beginning and 110.6MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 102.86ms. Allocated memory is still 151.0MB. Free memory was 110.6MB in the beginning and 108.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 61.96ms. Allocated memory is still 151.0MB. Free memory was 108.2MB in the beginning and 106.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1145.77ms. Allocated memory is still 151.0MB. Free memory was 106.2MB in the beginning and 117.4MB in the end (delta: -11.2MB). Peak memory consumption was 14.8MB. Max. memory is 8.0GB. * TraceAbstraction took 3335.58ms. Allocated memory was 151.0MB in the beginning and 222.3MB in the end (delta: 71.3MB). Free memory was 116.3MB in the beginning and 138.2MB in the end (delta: -21.9MB). Peak memory consumption was 50.5MB. Max. memory is 8.0GB. * 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: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseComplement at line 76. Possible FailurePath: [L225] unsigned int a ; [L226] unsigned int ma = __VERIFIER_nondet_uint(); [L227] signed char ea = __VERIFIER_nondet_char(); [L228] unsigned int b ; [L229] unsigned int mb = __VERIFIER_nondet_uint(); [L230] signed char eb = __VERIFIER_nondet_char(); [L231] unsigned int r_add ; [L232] unsigned int zero ; [L233] int sa ; [L234] int sb ; [L235] int tmp ; [L236] int tmp___0 ; [L237] int tmp___1 ; [L238] int tmp___2 ; [L239] int tmp___3 ; [L240] int tmp___4 ; [L241] int tmp___5 ; [L242] int tmp___6 ; [L243] int tmp___7 ; [L244] int tmp___8 ; [L245] int tmp___9 ; [L246] int __retres23 ; VAL [ea=0, eb=0] [L250] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=16777217, \old(m)=0, \old(res = m | (unsigned int )((e + 128) << 24U))=16777218, m = m & ~ (1U << 24U)=16777217, res = m | (unsigned int )((e + 128) << 24U)=16777218] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=16777217, \old(m)=0, \old(res = m | (unsigned int )((e + 128) << 24U))=16777218, e=0, m=0, m = m & ~ (1U << 24U)=16777217, res = m | (unsigned int )((e + 128) << 24U)=16777218] [L29] COND TRUE ! m [L30] __retres4 = 0U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=16777217, \old(m)=0, \old(res = m | (unsigned int )((e + 128) << 24U))=16777218, __retres4=0, e=0, m=0, m = m & ~ (1U << 24U)=16777217, res = m | (unsigned int )((e + 128) << 24U)=16777218] [L80] return (__retres4); VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=16777217, \old(m)=0, \old(res = m | (unsigned int )((e + 128) << 24U))=16777218, \result=0, __retres4=0, e=0, m=0, m = m & ~ (1U << 24U)=16777217, res = m | (unsigned int )((e + 128) << 24U)=16777218] [L250] RET, EXPR base2flt(0, 0) VAL [base2flt(0, 0)=0, ea=0, eb=0, m = m & ~ (1U << 24U)=16777217, res = m | (unsigned int )((e + 128) << 24U)=16777218] [L250] zero = base2flt(0, 0) [L251] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=16777217, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=16777218, m = m & ~ (1U << 24U)=16777217, res = m | (unsigned int )((e + 128) << 24U)=16777218] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=16777217, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=16777218, e=0, m=16777216, m = m & ~ (1U << 24U)=16777217, res = m | (unsigned int )((e + 128) << 24U)=16777218] [L29] COND FALSE !(! m) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=16777217, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=16777218, e=0, m=16777216, m = m & ~ (1U << 24U)=16777217, res = m | (unsigned int )((e + 128) << 24U)=16777218] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=16777217, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=16777218, e=0, m=16777216, m = m & ~ (1U << 24U)=16777217, res = m | (unsigned int )((e + 128) << 24U)=16777218] [L57] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=16777217, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=16777218, e=0, m=16777216, m = m & ~ (1U << 24U)=16777217, res = m | (unsigned int )((e + 128) << 24U)=16777218] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=16777217, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=16777218, e=0, m=16777216, m = m & ~ (1U << 24U)=16777217, res = m | (unsigned int )((e + 128) << 24U)=16777218] [L76] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=16777217, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=16777218, e=0, m=0, m = m & ~ (1U << 24U)=16777217, res = m | (unsigned int )((e + 128) << 24U)=16777218] [L77] EXPR e + 128 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=16777217, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=16777218, e=0, m=0, m = m & ~ (1U << 24U)=16777217, res = m | (unsigned int )((e + 128) << 24U)=16777218] [L77] (e + 128) << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=16777217, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=16777218, e=0, m=0, m = m & ~ (1U << 24U)=16777217, res = m | (unsigned int )((e + 128) << 24U)=16777218] - 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: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 109]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 109]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 112]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 112]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 115]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 115]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 140]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 140]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 140]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 140]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 140]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 140]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 140]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 140]: 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 3 procedures, 156 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 566 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 556 mSDsluCounter, 2063 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1196 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 331 IncrementalHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 867 mSDtfsCounter, 331 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=202occurred in iteration=6, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 80 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 299 SizeOfPredicates, 2 NumberOfNonLiveVariables, 234 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 9/12 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-10-16 17:42:20,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...