/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/product-lines/minepump_spec5_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:33:01,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:33:01,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:33:01,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-24 05:33:01,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:33:01,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:33:01,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:33:01,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:33:01,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:33:01,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:33:01,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:33:01,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:33:01,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:33:01,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:33:01,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:33:01,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:33:01,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:33:01,893 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 05:33:01,928 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:33:01,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:33:01,932 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:33:01,932 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:33:01,933 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:33:01,933 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:33:01,933 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:33:01,933 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:33:01,933 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:33:01,934 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:33:01,934 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:33:01,934 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:33:01,934 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:33:01,935 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:33:01,938 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:33:01,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:33:01,939 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:33:01,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:33:01,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:33:01,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:33:01,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:33:01,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:33:01,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:33:01,941 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:33:01,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:33:01,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:33:01,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:33:01,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:33:01,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:33:01,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:33:01,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:33:01,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:33:01,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:33:01,943 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:33:01,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:33:01,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:33:01,944 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:33:01,944 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:33:02,268 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:33:02,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:33:02,296 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:33:02,297 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:33:02,298 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:33:02,298 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product31.cil.c [2019-11-24 05:33:02,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/859fc0c30/33eb62ad0fd14fb7878878d2b7184a0d/FLAG7d9863e7b [2019-11-24 05:33:02,900 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:33:02,900 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product31.cil.c [2019-11-24 05:33:02,924 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/859fc0c30/33eb62ad0fd14fb7878878d2b7184a0d/FLAG7d9863e7b [2019-11-24 05:33:03,166 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/859fc0c30/33eb62ad0fd14fb7878878d2b7184a0d [2019-11-24 05:33:03,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:33:03,178 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:33:03,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:33:03,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:33:03,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:33:03,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:33:03" (1/1) ... [2019-11-24 05:33:03,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3233fd50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:03, skipping insertion in model container [2019-11-24 05:33:03,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:33:03" (1/1) ... [2019-11-24 05:33:03,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:33:03,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:33:03,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:33:03,801 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:33:03,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:33:03,939 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:33:03,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:03 WrapperNode [2019-11-24 05:33:03,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:33:03,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:33:03,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:33:03,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:33:03,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:03" (1/1) ... [2019-11-24 05:33:03,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:03" (1/1) ... [2019-11-24 05:33:04,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:33:04,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:33:04,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:33:04,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:33:04,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:03" (1/1) ... [2019-11-24 05:33:04,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:03" (1/1) ... [2019-11-24 05:33:04,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:03" (1/1) ... [2019-11-24 05:33:04,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:03" (1/1) ... [2019-11-24 05:33:04,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:03" (1/1) ... [2019-11-24 05:33:04,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:03" (1/1) ... [2019-11-24 05:33:04,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:03" (1/1) ... [2019-11-24 05:33:04,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:33:04,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:33:04,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:33:04,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:33:04,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:03" (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 05:33:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:33:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:33:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:33:04,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:33:06,179 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:33:06,180 INFO L284 CfgBuilder]: Removed 174 assume(true) statements. [2019-11-24 05:33:06,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:33:06 BoogieIcfgContainer [2019-11-24 05:33:06,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:33:06,187 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:33:06,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:33:06,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:33:06,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:33:03" (1/3) ... [2019-11-24 05:33:06,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@288e0f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:33:06, skipping insertion in model container [2019-11-24 05:33:06,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:03" (2/3) ... [2019-11-24 05:33:06,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@288e0f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:33:06, skipping insertion in model container [2019-11-24 05:33:06,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:33:06" (3/3) ... [2019-11-24 05:33:06,197 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product31.cil.c [2019-11-24 05:33:06,208 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:33:06,217 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-24 05:33:06,230 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-24 05:33:06,263 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:33:06,263 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:33:06,264 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:33:06,265 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:33:06,265 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:33:06,265 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:33:06,265 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:33:06,266 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:33:06,285 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-24 05:33:06,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 05:33:06,293 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:33:06,294 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:33:06,294 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:33:06,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:33:06,301 INFO L82 PathProgramCache]: Analyzing trace with hash -742309378, now seen corresponding path program 1 times [2019-11-24 05:33:06,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:33:06,313 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461189152] [2019-11-24 05:33:06,314 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:33:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:33:06,643 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 05:33:06,644 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461189152] [2019-11-24 05:33:06,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:33:06,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 05:33:06,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665834847] [2019-11-24 05:33:06,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-24 05:33:06,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:33:06,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-24 05:33:06,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 05:33:06,669 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 2 states. [2019-11-24 05:33:06,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:33:06,688 INFO L93 Difference]: Finished difference Result 50 states and 75 transitions. [2019-11-24 05:33:06,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-24 05:33:06,690 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-24 05:33:06,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:33:06,701 INFO L225 Difference]: With dead ends: 50 [2019-11-24 05:33:06,701 INFO L226 Difference]: Without dead ends: 24 [2019-11-24 05:33:06,704 INFO L630 BasicCegarLoop]: 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 [2019-11-24 05:33:06,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-24 05:33:06,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-24 05:33:06,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-24 05:33:06,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2019-11-24 05:33:06,737 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 8 [2019-11-24 05:33:06,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:33:06,738 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 31 transitions. [2019-11-24 05:33:06,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-24 05:33:06,738 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2019-11-24 05:33:06,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 05:33:06,739 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:33:06,739 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:33:06,739 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:33:06,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:33:06,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1506988852, now seen corresponding path program 1 times [2019-11-24 05:33:06,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:33:06,740 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975812625] [2019-11-24 05:33:06,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:33:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:33:07,047 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 05:33:07,048 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975812625] [2019-11-24 05:33:07,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:33:07,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-24 05:33:07,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969911853] [2019-11-24 05:33:07,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-24 05:33:07,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:33:07,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-24 05:33:07,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-24 05:33:07,051 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. Second operand 5 states. [2019-11-24 05:33:07,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:33:07,217 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2019-11-24 05:33:07,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-24 05:33:07,217 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2019-11-24 05:33:07,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:33:07,218 INFO L225 Difference]: With dead ends: 41 [2019-11-24 05:33:07,218 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 05:33:07,219 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-24 05:33:07,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 05:33:07,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 05:33:07,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 05:33:07,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 05:33:07,220 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-11-24 05:33:07,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:33:07,221 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 05:33:07,221 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-24 05:33:07,221 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 05:33:07,221 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 05:33:07,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 05:33:07,309 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-24 05:33:07,309 INFO L440 ceAbstractionStarter]: At program point L928(lines 928 945) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~switchedOnBeforeTS~0 0))) [2019-11-24 05:33:07,309 INFO L447 ceAbstractionStarter]: At program point L928-1(lines 1 983) the Hoare annotation is: true [2019-11-24 05:33:07,310 INFO L440 ceAbstractionStarter]: At program point L928-2(lines 928 945) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~switchedOnBeforeTS~0 0))) [2019-11-24 05:33:07,310 INFO L440 ceAbstractionStarter]: At program point L928-3(lines 1 983) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~switchedOnBeforeTS~0 0))) [2019-11-24 05:33:07,310 INFO L440 ceAbstractionStarter]: At program point L928-4(lines 928 945) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~switchedOnBeforeTS~0 0))) [2019-11-24 05:33:07,310 INFO L440 ceAbstractionStarter]: At program point L928-5(lines 1 983) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~switchedOnBeforeTS~0 0))) [2019-11-24 05:33:07,310 INFO L444 ceAbstractionStarter]: For program point L932(lines 932 942) no Hoare annotation was computed. [2019-11-24 05:33:07,310 INFO L444 ceAbstractionStarter]: For program point L932-2(lines 932 942) no Hoare annotation was computed. [2019-11-24 05:33:07,310 INFO L444 ceAbstractionStarter]: For program point L932-4(lines 932 942) no Hoare annotation was computed. [2019-11-24 05:33:07,311 INFO L444 ceAbstractionStarter]: For program point L933(lines 933 939) no Hoare annotation was computed. [2019-11-24 05:33:07,311 INFO L444 ceAbstractionStarter]: For program point L933-2(lines 933 939) no Hoare annotation was computed. [2019-11-24 05:33:07,311 INFO L444 ceAbstractionStarter]: For program point L933-4(lines 933 939) no Hoare annotation was computed. [2019-11-24 05:33:07,311 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-24 05:33:07,311 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-24 05:33:07,312 INFO L444 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-24 05:33:07,312 INFO L444 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-24 05:33:07,312 INFO L447 ceAbstractionStarter]: At program point L112(lines 63 113) the Hoare annotation is: true [2019-11-24 05:33:07,312 INFO L440 ceAbstractionStarter]: At program point L445-2(lines 445 459) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~switchedOnBeforeTS~0 0))) [2019-11-24 05:33:07,312 INFO L440 ceAbstractionStarter]: At program point L449(lines 449 453) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~switchedOnBeforeTS~0 0))) [2019-11-24 05:33:07,312 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-24 05:33:07,313 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 05:33:07,313 INFO L440 ceAbstractionStarter]: At program point L521(lines 521 528) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~switchedOnBeforeTS~0 0))) [2019-11-24 05:33:07,313 INFO L447 ceAbstractionStarter]: At program point L521-1(lines 521 528) the Hoare annotation is: true [2019-11-24 05:33:07,313 INFO L447 ceAbstractionStarter]: At program point L65(lines 64 111) the Hoare annotation is: true [2019-11-24 05:33:07,313 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-24 05:33:07,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 05:33:07 BoogieIcfgContainer [2019-11-24 05:33:07,336 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 05:33:07,340 INFO L168 Benchmark]: Toolchain (without parser) took 4160.11 ms. Allocated memory was 146.3 MB in the beginning and 246.4 MB in the end (delta: 100.1 MB). Free memory was 103.3 MB in the beginning and 127.5 MB in the end (delta: -24.2 MB). Peak memory consumption was 75.9 MB. Max. memory is 7.1 GB. [2019-11-24 05:33:07,341 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 05:33:07,344 INFO L168 Benchmark]: CACSL2BoogieTranslator took 761.09 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 103.1 MB in the beginning and 170.5 MB in the end (delta: -67.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-11-24 05:33:07,345 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.68 ms. Allocated memory is still 203.4 MB. Free memory was 170.5 MB in the beginning and 166.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-11-24 05:33:07,347 INFO L168 Benchmark]: Boogie Preprocessor took 48.98 ms. Allocated memory is still 203.4 MB. Free memory was 166.5 MB in the beginning and 163.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-11-24 05:33:07,349 INFO L168 Benchmark]: RCFGBuilder took 2099.45 ms. Allocated memory was 203.4 MB in the beginning and 246.4 MB in the end (delta: 43.0 MB). Free memory was 163.8 MB in the beginning and 202.2 MB in the end (delta: -38.5 MB). Peak memory consumption was 112.8 MB. Max. memory is 7.1 GB. [2019-11-24 05:33:07,352 INFO L168 Benchmark]: TraceAbstraction took 1149.26 ms. Allocated memory is still 246.4 MB. Free memory was 200.5 MB in the beginning and 127.5 MB in the end (delta: 73.0 MB). Peak memory consumption was 73.0 MB. Max. memory is 7.1 GB. [2019-11-24 05:33:07,369 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 761.09 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 103.1 MB in the beginning and 170.5 MB in the end (delta: -67.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 93.68 ms. Allocated memory is still 203.4 MB. Free memory was 170.5 MB in the beginning and 166.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.98 ms. Allocated memory is still 203.4 MB. Free memory was 166.5 MB in the beginning and 163.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2099.45 ms. Allocated memory was 203.4 MB in the beginning and 246.4 MB in the end (delta: 43.0 MB). Free memory was 163.8 MB in the beginning and 202.2 MB in the end (delta: -38.5 MB). Peak memory consumption was 112.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1149.26 ms. Allocated memory is still 246.4 MB. Free memory was 200.5 MB in the beginning and 127.5 MB in the end (delta: 73.0 MB). Peak memory consumption was 73.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: pumpRunning == switchedOnBeforeTS || !(switchedOnBeforeTS == 0) - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: pumpRunning == switchedOnBeforeTS || !(switchedOnBeforeTS == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: pumpRunning == switchedOnBeforeTS || !(switchedOnBeforeTS == 0) - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: pumpRunning == switchedOnBeforeTS || !(switchedOnBeforeTS == 0) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == switchedOnBeforeTS || !(switchedOnBeforeTS == 0) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: pumpRunning == switchedOnBeforeTS || !(switchedOnBeforeTS == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == switchedOnBeforeTS || !(switchedOnBeforeTS == 0) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: pumpRunning == switchedOnBeforeTS || !(switchedOnBeforeTS == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 3 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 61 SDtfs, 37 SDslu, 17 SDs, 0 SdLazy, 38 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 41 NumberOfFragments, 69 HoareAnnotationTreeSize, 13 FomulaSimplifications, 92 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 259 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...