/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/test14.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 03:56:26,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 03:56:26,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 03:56:26,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-24 03:56:26,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 03:56:26,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 03:56:26,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 03:56:26,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 03:56:26,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 03:56:26,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 03:56:26,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 03:56:26,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 03:56:26,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 03:56:26,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 03:56:26,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 03:56:26,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 03:56:26,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 03:56:26,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 03:56:26,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 03:56:26,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 03:56:26,482 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 03:56:26,512 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 03:56:26,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 03:56:26,514 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 03:56:26,514 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 03:56:26,514 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 03:56:26,514 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 03:56:26,514 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 03:56:26,515 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 03:56:26,515 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 03:56:26,515 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 03:56:26,516 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 03:56:26,516 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 03:56:26,517 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 03:56:26,517 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 03:56:26,517 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 03:56:26,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 03:56:26,519 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 03:56:26,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 03:56:26,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 03:56:26,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 03:56:26,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 03:56:26,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 03:56:26,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 03:56:26,520 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 03:56:26,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 03:56:26,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 03:56:26,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 03:56:26,521 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 03:56:26,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 03:56:26,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 03:56:26,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 03:56:26,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 03:56:26,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 03:56:26,523 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 03:56:26,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 03:56:26,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 03:56:26,525 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 03:56:26,525 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 03:56:26,809 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 03:56:26,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 03:56:26,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 03:56:26,838 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 03:56:26,839 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 03:56:26,840 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test14.c [2019-11-24 03:56:26,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4e6879c8/ca69dabf7c6c4572ad1e0c2ae1c0fe79/FLAGf19b5df61 [2019-11-24 03:56:27,345 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 03:56:27,346 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test14.c [2019-11-24 03:56:27,353 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4e6879c8/ca69dabf7c6c4572ad1e0c2ae1c0fe79/FLAGf19b5df61 [2019-11-24 03:56:27,739 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4e6879c8/ca69dabf7c6c4572ad1e0c2ae1c0fe79 [2019-11-24 03:56:27,749 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 03:56:27,751 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 03:56:27,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 03:56:27,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 03:56:27,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 03:56:27,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:56:27" (1/1) ... [2019-11-24 03:56:27,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1260a1f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:27, skipping insertion in model container [2019-11-24 03:56:27,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:56:27" (1/1) ... [2019-11-24 03:56:27,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 03:56:27,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 03:56:27,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:56:28,006 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 03:56:28,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:56:28,034 INFO L208 MainTranslator]: Completed translation [2019-11-24 03:56:28,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:28 WrapperNode [2019-11-24 03:56:28,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 03:56:28,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 03:56:28,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 03:56:28,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 03:56:28,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:28" (1/1) ... [2019-11-24 03:56:28,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:28" (1/1) ... [2019-11-24 03:56:28,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 03:56:28,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 03:56:28,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 03:56:28,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 03:56:28,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:28" (1/1) ... [2019-11-24 03:56:28,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:28" (1/1) ... [2019-11-24 03:56:28,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:28" (1/1) ... [2019-11-24 03:56:28,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:28" (1/1) ... [2019-11-24 03:56:28,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:28" (1/1) ... [2019-11-24 03:56:28,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:28" (1/1) ... [2019-11-24 03:56:28,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:28" (1/1) ... [2019-11-24 03:56:28,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 03:56:28,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 03:56:28,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 03:56:28,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 03:56:28,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:28" (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 03:56:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 03:56:28,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 03:56:28,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 03:56:28,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 03:56:28,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 03:56:28,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 03:56:28,733 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 03:56:28,733 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-24 03:56:28,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:56:28 BoogieIcfgContainer [2019-11-24 03:56:28,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 03:56:28,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 03:56:28,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 03:56:28,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 03:56:28,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 03:56:27" (1/3) ... [2019-11-24 03:56:28,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160e531b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:56:28, skipping insertion in model container [2019-11-24 03:56:28,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:28" (2/3) ... [2019-11-24 03:56:28,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160e531b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:56:28, skipping insertion in model container [2019-11-24 03:56:28,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:56:28" (3/3) ... [2019-11-24 03:56:28,744 INFO L109 eAbstractionObserver]: Analyzing ICFG test14.c [2019-11-24 03:56:28,753 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 03:56:28,759 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 03:56:28,769 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 03:56:28,788 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 03:56:28,789 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 03:56:28,789 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 03:56:28,789 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 03:56:28,789 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 03:56:28,789 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 03:56:28,789 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 03:56:28,790 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 03:56:28,800 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-11-24 03:56:28,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-24 03:56:28,805 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:56:28,806 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-24 03:56:28,807 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:56:28,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:56:28,813 INFO L82 PathProgramCache]: Analyzing trace with hash 74865, now seen corresponding path program 1 times [2019-11-24 03:56:28,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:56:28,822 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246662320] [2019-11-24 03:56:28,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:56:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:56:29,003 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 03:56:29,004 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246662320] [2019-11-24 03:56:29,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:56:29,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 03:56:29,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949437462] [2019-11-24 03:56:29,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:56:29,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:56:29,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:56:29,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:56:29,031 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2019-11-24 03:56:29,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:56:29,058 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2019-11-24 03:56:29,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:56:29,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-11-24 03:56:29,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:56:29,071 INFO L225 Difference]: With dead ends: 8 [2019-11-24 03:56:29,071 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 03:56:29,075 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 03:56:29,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 03:56:29,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 03:56:29,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 03:56:29,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 03:56:29,109 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-11-24 03:56:29,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:56:29,110 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 03:56:29,110 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:56:29,110 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 03:56:29,110 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 03:56:29,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 03:56:29,133 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 03:56:29,134 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-24 03:56:29,134 INFO L447 ceAbstractionStarter]: At program point L26(lines 12 27) the Hoare annotation is: true [2019-11-24 03:56:29,135 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 25) no Hoare annotation was computed. [2019-11-24 03:56:29,135 INFO L440 ceAbstractionStarter]: At program point L20(lines 12 27) the Hoare annotation is: false [2019-11-24 03:56:29,135 INFO L444 ceAbstractionStarter]: For program point L18-2(lines 18 21) no Hoare annotation was computed. [2019-11-24 03:56:29,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 03:56:29 BoogieIcfgContainer [2019-11-24 03:56:29,144 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 03:56:29,148 INFO L168 Benchmark]: Toolchain (without parser) took 1395.66 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 105.0 MB in the beginning and 132.8 MB in the end (delta: -27.7 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:29,149 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 147.3 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-24 03:56:29,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.59 ms. Allocated memory is still 147.3 MB. Free memory was 104.8 MB in the beginning and 95.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:29,152 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.11 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 95.0 MB in the beginning and 184.2 MB in the end (delta: -89.2 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:29,153 INFO L168 Benchmark]: Boogie Preprocessor took 29.71 ms. Allocated memory is still 205.5 MB. Free memory was 184.2 MB in the beginning and 182.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:29,154 INFO L168 Benchmark]: RCFGBuilder took 543.99 ms. Allocated memory is still 205.5 MB. Free memory was 182.5 MB in the beginning and 154.3 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:29,155 INFO L168 Benchmark]: TraceAbstraction took 408.20 ms. Allocated memory is still 205.5 MB. Free memory was 153.6 MB in the beginning and 132.8 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:29,160 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 147.3 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 282.59 ms. Allocated memory is still 147.3 MB. Free memory was 104.8 MB in the beginning and 95.0 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 126.11 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 95.0 MB in the beginning and 184.2 MB in the end (delta: -89.2 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.71 ms. Allocated memory is still 205.5 MB. Free memory was 184.2 MB in the beginning and 182.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 543.99 ms. Allocated memory is still 205.5 MB. Free memory was 182.5 MB in the beginning and 154.3 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 408.20 ms. Allocated memory is still 205.5 MB. Free memory was 153.6 MB in the beginning and 132.8 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 25]: 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: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - 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, 0 SDslu, 1 SDs, 0 SdLazy, 2 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, 3 LocationsWithAnnotation, 3 PreInvPairs, 4 NumberOfFragments, 3 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 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, 6 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...