/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_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:20:00,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:20:00,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:20:00,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:20:00,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:20:00,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:20:00,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:20:00,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:20:00,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:20:00,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:20:00,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:20:00,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:20:00,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:20:00,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:20:00,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:20:00,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:20:00,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:20:00,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:20:00,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:20:00,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:20:00,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:20:00,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:20:00,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:20:00,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:20:00,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:20:00,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 05:20:00,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 05:20:00,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 05:20:00,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 05:20:00,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 05:20:00,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 05:20:00,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 05:20:00,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 05:20:00,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:20:00,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:20:00,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:20:00,368 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 05:20:00,393 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:20:00,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:20:00,394 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:20:00,394 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:20:00,394 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:20:00,395 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:20:00,395 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:20:00,395 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:20:00,395 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:20:00,395 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:20:00,397 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:20:00,397 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:20:00,397 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:20:00,397 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:20:00,397 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:20:00,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:20:00,399 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:20:00,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:20:00,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:20:00,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:20:00,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:20:00,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:20:00,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:20:00,401 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:20:00,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:20:00,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:20:00,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:20:00,401 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:20:00,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:20:00,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:20:00,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:20:00,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:20:00,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:20:00,404 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:20:00,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:20:00,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:20:00,405 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:20:00,405 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:20:00,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:20:00,728 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:20:00,732 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:20:00,733 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:20:00,734 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:20:00,734 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c [2019-11-24 05:20:00,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79b71d106/059b0163d7494caa9c12f0feb0e72f37/FLAG2e4d18dc6 [2019-11-24 05:20:01,369 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:20:01,370 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c [2019-11-24 05:20:01,387 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79b71d106/059b0163d7494caa9c12f0feb0e72f37/FLAG2e4d18dc6 [2019-11-24 05:20:01,684 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79b71d106/059b0163d7494caa9c12f0feb0e72f37 [2019-11-24 05:20:01,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:20:01,694 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:20:01,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:20:01,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:20:01,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:20:01,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:20:01" (1/1) ... [2019-11-24 05:20:01,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f393570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:01, skipping insertion in model container [2019-11-24 05:20:01,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:20:01" (1/1) ... [2019-11-24 05:20:01,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:20:01,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:20:02,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:20:02,234 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:20:02,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:20:02,358 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:20:02,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:02 WrapperNode [2019-11-24 05:20:02,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:20:02,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:20:02,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:20:02,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:20:02,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:02" (1/1) ... [2019-11-24 05:20:02,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:02" (1/1) ... [2019-11-24 05:20:02,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:20:02,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:20:02,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:20:02,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:20:02,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:02" (1/1) ... [2019-11-24 05:20:02,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:02" (1/1) ... [2019-11-24 05:20:02,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:02" (1/1) ... [2019-11-24 05:20:02,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:02" (1/1) ... [2019-11-24 05:20:02,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:02" (1/1) ... [2019-11-24 05:20:02,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:02" (1/1) ... [2019-11-24 05:20:02,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:02" (1/1) ... [2019-11-24 05:20:02,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:20:02,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:20:02,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:20:02,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:20:02,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:02" (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 05:20:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:20:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:20:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:20:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:20:03,976 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:20:03,977 INFO L284 CfgBuilder]: Removed 104 assume(true) statements. [2019-11-24 05:20:03,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:20:03 BoogieIcfgContainer [2019-11-24 05:20:03,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:20:03,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:20:03,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:20:03,983 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:20:03,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:20:01" (1/3) ... [2019-11-24 05:20:03,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318f466c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:20:03, skipping insertion in model container [2019-11-24 05:20:03,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:02" (2/3) ... [2019-11-24 05:20:03,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318f466c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:20:03, skipping insertion in model container [2019-11-24 05:20:03,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:20:03" (3/3) ... [2019-11-24 05:20:03,986 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product08.cil.c [2019-11-24 05:20:03,996 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:20:04,004 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-24 05:20:04,015 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-24 05:20:04,040 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:20:04,041 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:20:04,041 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:20:04,041 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:20:04,041 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:20:04,041 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:20:04,042 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:20:04,042 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:20:04,058 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-24 05:20:04,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 05:20:04,065 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:20:04,066 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:20:04,066 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:20:04,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:20:04,073 INFO L82 PathProgramCache]: Analyzing trace with hash 66955025, now seen corresponding path program 1 times [2019-11-24 05:20:04,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:20:04,084 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549123889] [2019-11-24 05:20:04,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:20:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:20:04,425 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 05:20:04,425 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549123889] [2019-11-24 05:20:04,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:20:04,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:20:04,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856031685] [2019-11-24 05:20:04,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 05:20:04,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:20:04,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 05:20:04,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:20:04,449 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2019-11-24 05:20:04,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:20:04,535 INFO L93 Difference]: Finished difference Result 68 states and 105 transitions. [2019-11-24 05:20:04,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 05:20:04,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-24 05:20:04,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:20:04,550 INFO L225 Difference]: With dead ends: 68 [2019-11-24 05:20:04,550 INFO L226 Difference]: Without dead ends: 40 [2019-11-24 05:20:04,553 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 05:20:04,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-24 05:20:04,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-24 05:20:04,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-24 05:20:04,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 54 transitions. [2019-11-24 05:20:04,594 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 54 transitions. Word has length 8 [2019-11-24 05:20:04,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:20:04,595 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 54 transitions. [2019-11-24 05:20:04,595 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 05:20:04,595 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2019-11-24 05:20:04,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-24 05:20:04,596 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:20:04,596 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2019-11-24 05:20:04,597 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:20:04,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:20:04,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1661792402, now seen corresponding path program 1 times [2019-11-24 05:20:04,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:20:04,598 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239345637] [2019-11-24 05:20:04,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:20:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:20:04,793 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 05:20:04,794 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239345637] [2019-11-24 05:20:04,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:20:04,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:20:04,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808933256] [2019-11-24 05:20:04,796 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 05:20:04,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:20:04,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 05:20:04,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 05:20:04,797 INFO L87 Difference]: Start difference. First operand 40 states and 54 transitions. Second operand 4 states. [2019-11-24 05:20:04,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:20:04,862 INFO L93 Difference]: Finished difference Result 60 states and 82 transitions. [2019-11-24 05:20:04,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 05:20:04,863 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-11-24 05:20:04,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:20:04,863 INFO L225 Difference]: With dead ends: 60 [2019-11-24 05:20:04,863 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 05:20:04,865 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 05:20:04,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 05:20:04,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 05:20:04,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 05:20:04,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 05:20:04,866 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-24 05:20:04,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:20:04,866 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 05:20:04,866 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 05:20:04,867 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 05:20:04,867 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 05:20:04,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 05:20:04,961 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 600) no Hoare annotation was computed. [2019-11-24 05:20:04,961 INFO L444 ceAbstractionStarter]: For program point L663(lines 663 669) no Hoare annotation was computed. [2019-11-24 05:20:04,961 INFO L444 ceAbstractionStarter]: For program point L663-2(lines 663 669) no Hoare annotation was computed. [2019-11-24 05:20:04,962 INFO L444 ceAbstractionStarter]: For program point L663-4(lines 663 669) no Hoare annotation was computed. [2019-11-24 05:20:04,962 INFO L440 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:04,962 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-24 05:20:04,962 INFO L444 ceAbstractionStarter]: For program point L600(line 600) no Hoare annotation was computed. [2019-11-24 05:20:04,962 INFO L444 ceAbstractionStarter]: For program point L600-1(line 600) no Hoare annotation was computed. [2019-11-24 05:20:04,963 INFO L444 ceAbstractionStarter]: For program point L600-2(line 600) no Hoare annotation was computed. [2019-11-24 05:20:04,964 INFO L440 ceAbstractionStarter]: At program point L56(lines 56 60) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:04,964 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 05:20:04,964 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 600) no Hoare annotation was computed. [2019-11-24 05:20:04,965 INFO L440 ceAbstractionStarter]: At program point L658(lines 658 675) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:04,965 INFO L440 ceAbstractionStarter]: At program point L658-1(lines 1 907) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:04,965 INFO L440 ceAbstractionStarter]: At program point L658-2(lines 658 675) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:04,965 INFO L440 ceAbstractionStarter]: At program point L658-3(lines 1 907) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:04,965 INFO L440 ceAbstractionStarter]: At program point L658-4(lines 658 675) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:04,966 INFO L440 ceAbstractionStarter]: At program point L658-5(lines 1 907) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:04,967 INFO L440 ceAbstractionStarter]: At program point L742(lines 691 743) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:04,967 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 600) no Hoare annotation was computed. [2019-11-24 05:20:04,968 INFO L440 ceAbstractionStarter]: At program point L693(lines 692 741) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:04,968 INFO L440 ceAbstractionStarter]: At program point L132(lines 132 139) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:04,968 INFO L447 ceAbstractionStarter]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2019-11-24 05:20:04,969 INFO L444 ceAbstractionStarter]: For program point L662(lines 662 672) no Hoare annotation was computed. [2019-11-24 05:20:04,970 INFO L444 ceAbstractionStarter]: For program point L662-2(lines 662 672) no Hoare annotation was computed. [2019-11-24 05:20:04,970 INFO L444 ceAbstractionStarter]: For program point L662-4(lines 662 672) no Hoare annotation was computed. [2019-11-24 05:20:04,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 05:20:04 BoogieIcfgContainer [2019-11-24 05:20:04,997 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 05:20:05,000 INFO L168 Benchmark]: Toolchain (without parser) took 3304.64 ms. Allocated memory was 138.9 MB in the beginning and 235.4 MB in the end (delta: 96.5 MB). Free memory was 103.4 MB in the beginning and 96.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 103.2 MB. Max. memory is 7.1 GB. [2019-11-24 05:20:05,001 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 05:20:05,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.18 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 103.2 MB in the beginning and 170.0 MB in the end (delta: -66.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-11-24 05:20:05,003 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.72 ms. Allocated memory is still 202.4 MB. Free memory was 170.0 MB in the beginning and 166.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-11-24 05:20:05,004 INFO L168 Benchmark]: Boogie Preprocessor took 39.15 ms. Allocated memory is still 202.4 MB. Free memory was 166.6 MB in the beginning and 164.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-11-24 05:20:05,005 INFO L168 Benchmark]: RCFGBuilder took 1503.25 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 164.0 MB in the beginning and 157.9 MB in the end (delta: 6.0 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. [2019-11-24 05:20:05,006 INFO L168 Benchmark]: TraceAbstraction took 1017.57 ms. Allocated memory is still 235.4 MB. Free memory was 156.5 MB in the beginning and 96.7 MB in the end (delta: 59.9 MB). Peak memory consumption was 59.9 MB. Max. memory is 7.1 GB. [2019-11-24 05:20:05,012 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.18 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 103.2 MB in the beginning and 170.0 MB in the end (delta: -66.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 75.72 ms. Allocated memory is still 202.4 MB. Free memory was 170.0 MB in the beginning and 166.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.15 ms. Allocated memory is still 202.4 MB. Free memory was 166.6 MB in the beginning and 164.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1503.25 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 164.0 MB in the beginning and 157.9 MB in the end (delta: 6.0 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1017.57 ms. Allocated memory is still 235.4 MB. Free memory was 156.5 MB in the beginning and 96.7 MB in the end (delta: 59.9 MB). Peak memory consumption was 59.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 600]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 600]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 600]: 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: 658]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, 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, 77 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 383 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...