/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test_union_cast-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 03:56:55,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 03:56:55,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 03:56:55,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-24 03:56:55,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 03:56:55,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 03:56:55,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 03:56:55,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 03:56:55,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 03:56:55,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 03:56:55,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 03:56:55,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 03:56:55,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 03:56:55,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 03:56:55,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 03:56:55,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 03:56:55,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 03:56:55,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 03:56:55,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 03:56:55,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 03:56:55,303 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 03:56:55,317 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 03:56:55,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 03:56:55,318 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 03:56:55,318 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 03:56:55,318 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 03:56:55,319 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 03:56:55,319 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 03:56:55,319 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 03:56:55,319 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 03:56:55,319 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 03:56:55,320 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 03:56:55,320 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 03:56:55,320 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 03:56:55,320 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 03:56:55,320 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 03:56:55,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 03:56:55,321 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 03:56:55,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 03:56:55,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 03:56:55,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 03:56:55,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 03:56:55,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 03:56:55,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 03:56:55,323 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 03:56:55,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 03:56:55,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 03:56:55,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 03:56:55,323 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 03:56:55,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 03:56:55,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 03:56:55,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 03:56:55,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 03:56:55,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 03:56:55,325 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 03:56:55,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 03:56:55,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 03:56:55,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 03:56:55,325 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 03:56:55,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 03:56:55,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 03:56:55,615 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 03:56:55,616 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 03:56:55,617 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 03:56:55,617 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_union_cast-1.i [2019-11-24 03:56:55,685 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead2dd965/3be236bf28e04a06993c6784b075b544/FLAG21a8dff24 [2019-11-24 03:56:56,131 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 03:56:56,132 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_union_cast-1.i [2019-11-24 03:56:56,138 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead2dd965/3be236bf28e04a06993c6784b075b544/FLAG21a8dff24 [2019-11-24 03:56:56,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead2dd965/3be236bf28e04a06993c6784b075b544 [2019-11-24 03:56:56,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 03:56:56,507 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 03:56:56,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 03:56:56,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 03:56:56,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 03:56:56,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:56:56" (1/1) ... [2019-11-24 03:56:56,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79ce1aa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:56, skipping insertion in model container [2019-11-24 03:56:56,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:56:56" (1/1) ... [2019-11-24 03:56:56,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 03:56:56,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 03:56:56,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:56:56,719 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 03:56:56,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:56:56,764 INFO L208 MainTranslator]: Completed translation [2019-11-24 03:56:56,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:56 WrapperNode [2019-11-24 03:56:56,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 03:56:56,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 03:56:56,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 03:56:56,766 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 03:56:56,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:56" (1/1) ... [2019-11-24 03:56:56,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:56" (1/1) ... [2019-11-24 03:56:56,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 03:56:56,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 03:56:56,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 03:56:56,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 03:56:56,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:56" (1/1) ... [2019-11-24 03:56:56,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:56" (1/1) ... [2019-11-24 03:56:56,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:56" (1/1) ... [2019-11-24 03:56:56,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:56" (1/1) ... [2019-11-24 03:56:56,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:56" (1/1) ... [2019-11-24 03:56:56,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:56" (1/1) ... [2019-11-24 03:56:56,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:56" (1/1) ... [2019-11-24 03:56:56,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 03:56:56,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 03:56:56,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 03:56:56,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 03:56:56,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 03:56:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 03:56:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 03:56:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-24 03:56:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 03:56:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 03:56:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 03:56:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 03:56:57,273 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 03:56:57,273 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-24 03:56:57,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:56:57 BoogieIcfgContainer [2019-11-24 03:56:57,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 03:56:57,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 03:56:57,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 03:56:57,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 03:56:57,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 03:56:56" (1/3) ... [2019-11-24 03:56:57,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3932f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:56:57, skipping insertion in model container [2019-11-24 03:56:57,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:56" (2/3) ... [2019-11-24 03:56:57,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3932f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:56:57, skipping insertion in model container [2019-11-24 03:56:57,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:56:57" (3/3) ... [2019-11-24 03:56:57,282 INFO L109 eAbstractionObserver]: Analyzing ICFG test_union_cast-1.i [2019-11-24 03:56:57,300 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 03:56:57,309 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 03:56:57,320 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 03:56:57,342 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 03:56:57,343 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 03:56:57,343 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 03:56:57,343 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 03:56:57,343 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 03:56:57,343 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 03:56:57,343 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 03:56:57,343 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 03:56:57,355 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-11-24 03:56:57,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-24 03:56:57,359 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:56:57,360 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-24 03:56:57,361 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:56:57,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:56:57,366 INFO L82 PathProgramCache]: Analyzing trace with hash 46290, now seen corresponding path program 1 times [2019-11-24 03:56:57,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:56:57,375 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624552095] [2019-11-24 03:56:57,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:56:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:56:57,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 03:56:57,547 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624552095] [2019-11-24 03:56:57,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:56:57,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 03:56:57,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740579407] [2019-11-24 03:56:57,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:56:57,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:56:57,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:56:57,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:56:57,578 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2019-11-24 03:56:57,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:56:57,598 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2019-11-24 03:56:57,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:56:57,600 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-11-24 03:56:57,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:56:57,607 INFO L225 Difference]: With dead ends: 8 [2019-11-24 03:56:57,607 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 03:56:57,610 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:56:57,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 03:56:57,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 03:56:57,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 03:56:57,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 03:56:57,636 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-11-24 03:56:57,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:56:57,636 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 03:56:57,636 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:56:57,636 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 03:56:57,637 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 03:56:57,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 03:56:57,664 INFO L440 ceAbstractionStarter]: At program point L3-2(lines 2 7) the Hoare annotation is: (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2019-11-24 03:56:57,664 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 03:56:57,664 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-24 03:56:57,665 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2019-11-24 03:56:57,665 INFO L444 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2019-11-24 03:56:57,666 INFO L444 ceAbstractionStarter]: For program point L3(lines 3 5) no Hoare annotation was computed. [2019-11-24 03:56:57,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 03:56:57 BoogieIcfgContainer [2019-11-24 03:56:57,690 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 03:56:57,693 INFO L168 Benchmark]: Toolchain (without parser) took 1185.45 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 101.5 MB in the beginning and 143.3 MB in the end (delta: -41.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:57,695 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 03:56:57,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.02 ms. Allocated memory is still 144.7 MB. Free memory was 101.3 MB in the beginning and 91.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:57,697 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.84 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 91.3 MB in the beginning and 179.9 MB in the end (delta: -88.6 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:57,698 INFO L168 Benchmark]: Boogie Preprocessor took 42.61 ms. Allocated memory is still 201.3 MB. Free memory was 179.9 MB in the beginning and 178.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:57,699 INFO L168 Benchmark]: RCFGBuilder took 339.12 ms. Allocated memory is still 201.3 MB. Free memory was 178.1 MB in the beginning and 164.4 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:57,700 INFO L168 Benchmark]: TraceAbstraction took 415.01 ms. Allocated memory is still 201.3 MB. Free memory was 164.4 MB in the beginning and 143.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:57,705 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 257.02 ms. Allocated memory is still 144.7 MB. Free memory was 101.3 MB in the beginning and 91.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 126.84 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 91.3 MB in the beginning and 179.9 MB in the end (delta: -88.6 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.61 ms. Allocated memory is still 201.3 MB. Free memory was 179.9 MB in the beginning and 178.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 339.12 ms. Allocated memory is still 201.3 MB. Free memory was 178.1 MB in the beginning and 164.4 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 415.01 ms. Allocated memory is still 201.3 MB. Free memory was 164.4 MB in the beginning and 143.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 2]: Loop Invariant Derived loop invariant: !(0 == cond) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Result: SAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 4 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...