/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/test13.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 03:56:24,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 03:56:24,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 03:56:24,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-24 03:56:24,778 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 03:56:24,804 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 03:56:24,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 03:56:24,805 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 03:56:24,806 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 03:56:24,807 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 03:56:24,807 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 03:56:24,807 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 03:56:24,807 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 03:56:24,807 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 03:56:24,807 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 03:56:24,808 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 03:56:24,809 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 03:56:24,809 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 03:56:24,809 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 03:56:24,809 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 03:56:24,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 03:56:24,810 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 03:56:24,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 03:56:24,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 03:56:24,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 03:56:24,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 03:56:24,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 03:56:24,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 03:56:24,812 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 03:56:24,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 03:56:24,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 03:56:24,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 03:56:24,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 03:56:24,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 03:56:24,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 03:56:24,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 03:56:24,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 03:56:24,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 03:56:24,815 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 03:56:24,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 03:56:24,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 03:56:24,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 03:56:24,816 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 03:56:25,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 03:56:25,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 03:56:25,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 03:56:25,103 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 03:56:25,103 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 03:56:25,104 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test13.c [2019-11-24 03:56:25,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2166e874c/e83d0e5417c44cf5a3965a40522bdb1c/FLAG6a934f9b8 [2019-11-24 03:56:25,613 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 03:56:25,614 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test13.c [2019-11-24 03:56:25,619 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2166e874c/e83d0e5417c44cf5a3965a40522bdb1c/FLAG6a934f9b8 [2019-11-24 03:56:26,013 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2166e874c/e83d0e5417c44cf5a3965a40522bdb1c [2019-11-24 03:56:26,023 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 03:56:26,025 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 03:56:26,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 03:56:26,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 03:56:26,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 03:56:26,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:56:26" (1/1) ... [2019-11-24 03:56:26,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53417ecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:26, skipping insertion in model container [2019-11-24 03:56:26,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:56:26" (1/1) ... [2019-11-24 03:56:26,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 03:56:26,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 03:56:26,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:56:26,238 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 03:56:26,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:56:26,278 INFO L208 MainTranslator]: Completed translation [2019-11-24 03:56:26,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:26 WrapperNode [2019-11-24 03:56:26,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 03:56:26,279 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 03:56:26,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 03:56:26,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 03:56:26,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:26" (1/1) ... [2019-11-24 03:56:26,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:26" (1/1) ... [2019-11-24 03:56:26,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 03:56:26,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 03:56:26,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 03:56:26,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 03:56:26,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:26" (1/1) ... [2019-11-24 03:56:26,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:26" (1/1) ... [2019-11-24 03:56:26,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:26" (1/1) ... [2019-11-24 03:56:26,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:26" (1/1) ... [2019-11-24 03:56:26,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:26" (1/1) ... [2019-11-24 03:56:26,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:26" (1/1) ... [2019-11-24 03:56:26,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:26" (1/1) ... [2019-11-24 03:56:26,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 03:56:26,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 03:56:26,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 03:56:26,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 03:56:26,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:26" (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 03:56:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 03:56:26,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 03:56:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 03:56:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 03:56:26,701 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 03:56:26,702 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-24 03:56:26,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:56:26 BoogieIcfgContainer [2019-11-24 03:56:26,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 03:56:26,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 03:56:26,704 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 03:56:26,708 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 03:56:26,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 03:56:26" (1/3) ... [2019-11-24 03:56:26,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1630f268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:56:26, skipping insertion in model container [2019-11-24 03:56:26,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:26" (2/3) ... [2019-11-24 03:56:26,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1630f268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:56:26, skipping insertion in model container [2019-11-24 03:56:26,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:56:26" (3/3) ... [2019-11-24 03:56:26,714 INFO L109 eAbstractionObserver]: Analyzing ICFG test13.c [2019-11-24 03:56:26,726 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 03:56:26,736 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 03:56:26,765 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 03:56:26,820 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 03:56:26,821 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 03:56:26,821 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 03:56:26,821 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 03:56:26,821 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 03:56:26,821 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 03:56:26,821 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 03:56:26,822 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 03:56:26,837 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-11-24 03:56:26,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-24 03:56:26,843 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:56:26,844 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-24 03:56:26,844 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:56:26,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:56:26,851 INFO L82 PathProgramCache]: Analyzing trace with hash 45331, now seen corresponding path program 1 times [2019-11-24 03:56:26,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:56:26,861 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607872359] [2019-11-24 03:56:26,861 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:56:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:56:27,005 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 03:56:27,006 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607872359] [2019-11-24 03:56:27,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:56:27,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 03:56:27,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978030741] [2019-11-24 03:56:27,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:56:27,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:56:27,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:56:27,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:56:27,029 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2019-11-24 03:56:27,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:56:27,050 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2019-11-24 03:56:27,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:56:27,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-11-24 03:56:27,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:56:27,060 INFO L225 Difference]: With dead ends: 8 [2019-11-24 03:56:27,060 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 03:56:27,063 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 03:56:27,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 03:56:27,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 03:56:27,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 03:56:27,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 03:56:27,086 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-11-24 03:56:27,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:56:27,087 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 03:56:27,087 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:56:27,087 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 03:56:27,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 03:56:27,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 03:56:27,123 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 03:56:27,123 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-24 03:56:27,124 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2019-11-24 03:56:27,124 INFO L440 ceAbstractionStarter]: At program point L11(lines 4 12) the Hoare annotation is: (and (= ULTIMATE.start_check_~a.base ULTIMATE.start_check_~b.base) (= ULTIMATE.start_check_~b.offset ULTIMATE.start_check_~a.offset)) [2019-11-24 03:56:27,124 INFO L440 ceAbstractionStarter]: At program point L6(lines 4 12) the Hoare annotation is: false [2019-11-24 03:56:27,125 INFO L444 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2019-11-24 03:56:27,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 03:56:27 BoogieIcfgContainer [2019-11-24 03:56:27,140 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 03:56:27,143 INFO L168 Benchmark]: Toolchain (without parser) took 1117.25 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 102.2 MB in the beginning and 143.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:27,144 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-24 03:56:27,145 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.53 ms. Allocated memory is still 145.2 MB. Free memory was 101.8 MB in the beginning and 92.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:27,147 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.98 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 92.2 MB in the beginning and 180.5 MB in the end (delta: -88.3 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:27,148 INFO L168 Benchmark]: Boogie Preprocessor took 23.26 ms. Allocated memory is still 201.9 MB. Free memory was 180.5 MB in the beginning and 179.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:27,149 INFO L168 Benchmark]: RCFGBuilder took 280.63 ms. Allocated memory is still 201.9 MB. Free memory was 179.2 MB in the beginning and 164.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:27,150 INFO L168 Benchmark]: TraceAbstraction took 436.12 ms. Allocated memory is still 201.9 MB. Free memory was 164.3 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 03:56:27,155 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 252.53 ms. Allocated memory is still 145.2 MB. Free memory was 101.8 MB in the beginning and 92.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 119.98 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 92.2 MB in the beginning and 180.5 MB in the end (delta: -88.3 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.26 ms. Allocated memory is still 201.9 MB. Free memory was 180.5 MB in the beginning and 179.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 280.63 ms. Allocated memory is still 201.9 MB. Free memory was 179.2 MB in the beginning and 164.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 436.12 ms. Allocated memory is still 201.9 MB. Free memory was 164.3 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: 10]: 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: 4]: Loop Invariant Derived loop invariant: a == b && b == a - InvariantResult [Line: 4]: 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, 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 8 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 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, 16 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...