/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_spec2_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:20:13,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:20:13,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:20:13,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:20:13,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:20:13,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:20:13,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:20:13,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:20:13,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:20:13,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:20:13,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:20:13,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:20:13,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:20:13,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:20:13,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:20:13,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:20:13,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:20:13,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:20:13,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:20:13,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:20:13,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:20:13,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:20:13,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:20:13,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:20:13,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:20:13,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 05:20:13,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 05:20:13,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 05:20:13,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 05:20:13,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 05:20:13,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 05:20:13,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 05:20:13,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 05:20:13,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:20:13,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:20:13,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:20:13,456 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 05:20:13,471 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:20:13,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:20:13,472 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:20:13,472 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:20:13,472 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:20:13,472 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:20:13,473 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:20:13,473 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:20:13,473 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:20:13,473 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:20:13,473 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:20:13,474 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:20:13,474 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:20:13,474 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:20:13,474 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:20:13,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:20:13,475 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:20:13,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:20:13,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:20:13,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:20:13,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:20:13,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:20:13,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:20:13,476 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:20:13,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:20:13,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:20:13,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:20:13,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:20:13,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:20:13,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:20:13,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:20:13,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:20:13,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:20:13,478 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:20:13,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:20:13,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:20:13,479 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:20:13,479 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:20:13,744 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:20:13,760 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:20:13,764 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:20:13,765 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:20:13,766 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:20:13,766 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product14.cil.c [2019-11-24 05:20:13,841 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d8ee9bab/feaa15b1f39f44dc81cf9232fdb7eed1/FLAGe6c5af178 [2019-11-24 05:20:14,398 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:20:14,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product14.cil.c [2019-11-24 05:20:14,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d8ee9bab/feaa15b1f39f44dc81cf9232fdb7eed1/FLAGe6c5af178 [2019-11-24 05:20:14,651 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d8ee9bab/feaa15b1f39f44dc81cf9232fdb7eed1 [2019-11-24 05:20:14,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:20:14,662 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:20:14,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:20:14,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:20:14,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:20:14,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:20:14" (1/1) ... [2019-11-24 05:20:14,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20645e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:14, skipping insertion in model container [2019-11-24 05:20:14,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:20:14" (1/1) ... [2019-11-24 05:20:14,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:20:14,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:20:15,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:20:15,144 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:20:15,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:20:15,291 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:20:15,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:15 WrapperNode [2019-11-24 05:20:15,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:20:15,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:20:15,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:20:15,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:20:15,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:15" (1/1) ... [2019-11-24 05:20:15,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:15" (1/1) ... [2019-11-24 05:20:15,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:20:15,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:20:15,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:20:15,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:20:15,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:15" (1/1) ... [2019-11-24 05:20:15,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:15" (1/1) ... [2019-11-24 05:20:15,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:15" (1/1) ... [2019-11-24 05:20:15,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:15" (1/1) ... [2019-11-24 05:20:15,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:15" (1/1) ... [2019-11-24 05:20:15,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:15" (1/1) ... [2019-11-24 05:20:15,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:15" (1/1) ... [2019-11-24 05:20:15,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:20:15,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:20:15,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:20:15,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:20:15,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:15" (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 05:20:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:20:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:20:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:20:15,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:20:16,914 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:20:16,915 INFO L284 CfgBuilder]: Removed 100 assume(true) statements. [2019-11-24 05:20:16,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:20:16 BoogieIcfgContainer [2019-11-24 05:20:16,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:20:16,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:20:16,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:20:16,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:20:16,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:20:14" (1/3) ... [2019-11-24 05:20:16,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472a8d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:20:16, skipping insertion in model container [2019-11-24 05:20:16,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:15" (2/3) ... [2019-11-24 05:20:16,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472a8d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:20:16, skipping insertion in model container [2019-11-24 05:20:16,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:20:16" (3/3) ... [2019-11-24 05:20:16,932 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product14.cil.c [2019-11-24 05:20:16,942 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:20:16,949 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-24 05:20:16,961 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-24 05:20:16,991 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:20:16,991 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:20:16,991 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:20:16,991 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:20:16,992 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:20:16,992 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:20:16,992 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:20:16,992 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:20:17,013 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-24 05:20:17,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 05:20:17,021 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:20:17,022 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:20:17,022 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:20:17,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:20:17,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1159744103, now seen corresponding path program 1 times [2019-11-24 05:20:17,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:20:17,040 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25448924] [2019-11-24 05:20:17,041 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:20:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:20:17,342 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 05:20:17,343 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25448924] [2019-11-24 05:20:17,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:20:17,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:20:17,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495090435] [2019-11-24 05:20:17,350 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 05:20:17,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:20:17,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 05:20:17,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:20:17,367 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2019-11-24 05:20:17,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:20:17,446 INFO L93 Difference]: Finished difference Result 68 states and 105 transitions. [2019-11-24 05:20:17,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 05:20:17,448 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-24 05:20:17,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:20:17,459 INFO L225 Difference]: With dead ends: 68 [2019-11-24 05:20:17,459 INFO L226 Difference]: Without dead ends: 40 [2019-11-24 05:20:17,463 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 05:20:17,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-24 05:20:17,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-24 05:20:17,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-24 05:20:17,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 54 transitions. [2019-11-24 05:20:17,504 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 54 transitions. Word has length 8 [2019-11-24 05:20:17,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:20:17,504 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 54 transitions. [2019-11-24 05:20:17,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 05:20:17,504 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2019-11-24 05:20:17,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-24 05:20:17,505 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:20:17,506 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2019-11-24 05:20:17,506 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:20:17,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:20:17,506 INFO L82 PathProgramCache]: Analyzing trace with hash -2005741673, now seen corresponding path program 1 times [2019-11-24 05:20:17,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:20:17,507 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119497137] [2019-11-24 05:20:17,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:20:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:20:17,813 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 05:20:17,813 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119497137] [2019-11-24 05:20:17,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:20:17,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:20:17,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58973405] [2019-11-24 05:20:17,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 05:20:17,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:20:17,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 05:20:17,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 05:20:17,817 INFO L87 Difference]: Start difference. First operand 40 states and 54 transitions. Second operand 4 states. [2019-11-24 05:20:17,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:20:17,880 INFO L93 Difference]: Finished difference Result 60 states and 82 transitions. [2019-11-24 05:20:17,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 05:20:17,881 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-11-24 05:20:17,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:20:17,882 INFO L225 Difference]: With dead ends: 60 [2019-11-24 05:20:17,882 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 05:20:17,883 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-24 05:20:17,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 05:20:17,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 05:20:17,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 05:20:17,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 05:20:17,884 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-24 05:20:17,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:20:17,885 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 05:20:17,885 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 05:20:17,885 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 05:20:17,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 05:20:17,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 05:20:18,005 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2019-11-24 05:20:18,005 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-24 05:20:18,006 INFO L440 ceAbstractionStarter]: At program point L185-2(lines 185 199) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:18,007 INFO L440 ceAbstractionStarter]: At program point L189(lines 189 193) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:18,007 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 05:20:18,007 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2019-11-24 05:20:18,008 INFO L440 ceAbstractionStarter]: At program point L292(lines 292 309) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:18,008 INFO L440 ceAbstractionStarter]: At program point L292-1(lines 1 906) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:18,008 INFO L440 ceAbstractionStarter]: At program point L292-2(lines 292 309) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:18,011 INFO L440 ceAbstractionStarter]: At program point L292-3(lines 1 906) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:18,012 INFO L440 ceAbstractionStarter]: At program point L292-4(lines 292 309) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:18,012 INFO L440 ceAbstractionStarter]: At program point L292-5(lines 1 906) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:18,013 INFO L440 ceAbstractionStarter]: At program point L260(lines 260 267) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:18,013 INFO L440 ceAbstractionStarter]: At program point L739(lines 690 740) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:18,013 INFO L447 ceAbstractionStarter]: At program point L260-1(lines 260 267) the Hoare annotation is: true [2019-11-24 05:20:18,013 INFO L444 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-24 05:20:18,014 INFO L444 ceAbstractionStarter]: For program point L130-1(line 130) no Hoare annotation was computed. [2019-11-24 05:20:18,014 INFO L444 ceAbstractionStarter]: For program point L130-2(line 130) no Hoare annotation was computed. [2019-11-24 05:20:18,014 INFO L440 ceAbstractionStarter]: At program point L692(lines 691 738) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:18,015 INFO L444 ceAbstractionStarter]: For program point L296(lines 296 306) no Hoare annotation was computed. [2019-11-24 05:20:18,016 INFO L444 ceAbstractionStarter]: For program point L296-2(lines 296 306) no Hoare annotation was computed. [2019-11-24 05:20:18,017 INFO L444 ceAbstractionStarter]: For program point L296-4(lines 296 306) no Hoare annotation was computed. [2019-11-24 05:20:18,017 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2019-11-24 05:20:18,017 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 303) no Hoare annotation was computed. [2019-11-24 05:20:18,017 INFO L444 ceAbstractionStarter]: For program point L297-2(lines 297 303) no Hoare annotation was computed. [2019-11-24 05:20:18,017 INFO L444 ceAbstractionStarter]: For program point L297-4(lines 297 303) no Hoare annotation was computed. [2019-11-24 05:20:18,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 05:20:18 BoogieIcfgContainer [2019-11-24 05:20:18,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 05:20:18,044 INFO L168 Benchmark]: Toolchain (without parser) took 3380.68 ms. Allocated memory was 136.3 MB in the beginning and 228.6 MB in the end (delta: 92.3 MB). Free memory was 99.0 MB in the beginning and 97.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 94.0 MB. Max. memory is 7.1 GB. [2019-11-24 05:20:18,046 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 136.3 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 05:20:18,048 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.02 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 98.8 MB in the beginning and 166.0 MB in the end (delta: -67.3 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2019-11-24 05:20:18,049 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.10 ms. Allocated memory is still 199.2 MB. Free memory was 166.0 MB in the beginning and 163.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-11-24 05:20:18,051 INFO L168 Benchmark]: Boogie Preprocessor took 38.61 ms. Allocated memory is still 199.2 MB. Free memory was 163.3 MB in the beginning and 160.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-11-24 05:20:18,052 INFO L168 Benchmark]: RCFGBuilder took 1525.35 ms. Allocated memory was 199.2 MB in the beginning and 228.6 MB in the end (delta: 29.4 MB). Free memory was 160.5 MB in the beginning and 166.6 MB in the end (delta: -6.1 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2019-11-24 05:20:18,055 INFO L168 Benchmark]: TraceAbstraction took 1119.12 ms. Allocated memory is still 228.6 MB. Free memory was 165.2 MB in the beginning and 97.3 MB in the end (delta: 67.9 MB). Peak memory consumption was 67.9 MB. Max. memory is 7.1 GB. [2019-11-24 05:20:18,070 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 136.3 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 629.02 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 98.8 MB in the beginning and 166.0 MB in the end (delta: -67.3 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 62.10 ms. Allocated memory is still 199.2 MB. Free memory was 166.0 MB in the beginning and 163.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.61 ms. Allocated memory is still 199.2 MB. Free memory was 163.3 MB in the beginning and 160.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1525.35 ms. Allocated memory was 199.2 MB in the beginning and 228.6 MB in the end (delta: 29.4 MB). Free memory was 160.5 MB in the beginning and 166.6 MB in the end (delta: -6.1 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1119.12 ms. Allocated memory is still 228.6 MB. Free memory was 165.2 MB in the beginning and 97.3 MB in the end (delta: 67.9 MB). Peak memory consumption was 67.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 130]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 130]: 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: 690]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 3 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 46 SDtfs, 34 SDslu, 29 SDs, 0 SdLazy, 27 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=1, 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, 32 NumberOfFragments, 79 HoareAnnotationTreeSize, 13 FomulaSimplifications, 98 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 431 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 5/5 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...