/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_spec4_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:29:10,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:29:10,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:29:10,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:29:10,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:29:10,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:29:10,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:29:10,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:29:10,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:29:10,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:29:10,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:29:10,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:29:10,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:29:10,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:29:10,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:29:10,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:29:10,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:29:10,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:29:10,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:29:10,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:29:10,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:29:10,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:29:10,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:29:10,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:29:10,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:29:10,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 05:29:10,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 05:29:10,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 05:29:10,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 05:29:10,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 05:29:10,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 05:29:10,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 05:29:10,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 05:29:10,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:29:10,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:29:10,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:29:10,496 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 05:29:10,518 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:29:10,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:29:10,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:29:10,520 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:29:10,520 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:29:10,520 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:29:10,520 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:29:10,520 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:29:10,520 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:29:10,521 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:29:10,522 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:29:10,522 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:29:10,522 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:29:10,523 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:29:10,523 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:29:10,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:29:10,524 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:29:10,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:29:10,525 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:29:10,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:29:10,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:29:10,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:29:10,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:29:10,526 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:29:10,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:29:10,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:29:10,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:29:10,527 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:29:10,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:29:10,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:29:10,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:29:10,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:29:10,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:29:10,529 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:29:10,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:29:10,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:29:10,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:29:10,530 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:29:10,807 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:29:10,825 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:29:10,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:29:10,830 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:29:10,831 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:29:10,831 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2019-11-24 05:29:10,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dce53a94e/d183fc7cfdfa45e48253a19e02bde690/FLAGa58e29f0a [2019-11-24 05:29:11,426 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:29:11,426 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2019-11-24 05:29:11,438 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dce53a94e/d183fc7cfdfa45e48253a19e02bde690/FLAGa58e29f0a [2019-11-24 05:29:11,734 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dce53a94e/d183fc7cfdfa45e48253a19e02bde690 [2019-11-24 05:29:11,742 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:29:11,744 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:29:11,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:29:11,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:29:11,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:29:11,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:29:11" (1/1) ... [2019-11-24 05:29:11,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79462fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:11, skipping insertion in model container [2019-11-24 05:29:11,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:29:11" (1/1) ... [2019-11-24 05:29:11,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:29:11,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:29:12,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:29:12,286 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:29:12,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:29:12,428 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:29:12,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:12 WrapperNode [2019-11-24 05:29:12,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:29:12,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:29:12,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:29:12,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:29:12,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:12" (1/1) ... [2019-11-24 05:29:12,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:12" (1/1) ... [2019-11-24 05:29:12,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:29:12,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:29:12,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:29:12,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:29:12,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:12" (1/1) ... [2019-11-24 05:29:12,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:12" (1/1) ... [2019-11-24 05:29:12,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:12" (1/1) ... [2019-11-24 05:29:12,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:12" (1/1) ... [2019-11-24 05:29:12,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:12" (1/1) ... [2019-11-24 05:29:12,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:12" (1/1) ... [2019-11-24 05:29:12,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:12" (1/1) ... [2019-11-24 05:29:12,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:29:12,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:29:12,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:29:12,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:29:12,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:12" (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 05:29:12,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:29:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:29:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:29:12,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:29:14,018 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:29:14,018 INFO L284 CfgBuilder]: Removed 96 assume(true) statements. [2019-11-24 05:29:14,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:29:14 BoogieIcfgContainer [2019-11-24 05:29:14,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:29:14,021 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:29:14,021 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:29:14,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:29:14,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:29:11" (1/3) ... [2019-11-24 05:29:14,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f6dc52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:29:14, skipping insertion in model container [2019-11-24 05:29:14,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:12" (2/3) ... [2019-11-24 05:29:14,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f6dc52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:29:14, skipping insertion in model container [2019-11-24 05:29:14,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:29:14" (3/3) ... [2019-11-24 05:29:14,030 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2019-11-24 05:29:14,040 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:29:14,048 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-24 05:29:14,059 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-24 05:29:14,082 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:29:14,082 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:29:14,083 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:29:14,083 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:29:14,083 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:29:14,083 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:29:14,083 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:29:14,083 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:29:14,096 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-24 05:29:14,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 05:29:14,102 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:29:14,103 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:29:14,103 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:29:14,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:29:14,108 INFO L82 PathProgramCache]: Analyzing trace with hash -664196649, now seen corresponding path program 1 times [2019-11-24 05:29:14,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:29:14,117 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578038833] [2019-11-24 05:29:14,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:29:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:29:14,430 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 05:29:14,431 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578038833] [2019-11-24 05:29:14,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:29:14,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 05:29:14,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301571215] [2019-11-24 05:29:14,438 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-24 05:29:14,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:29:14,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-24 05:29:14,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 05:29:14,451 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2019-11-24 05:29:14,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:29:14,469 INFO L93 Difference]: Finished difference Result 44 states and 63 transitions. [2019-11-24 05:29:14,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-24 05:29:14,471 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-24 05:29:14,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:29:14,478 INFO L225 Difference]: With dead ends: 44 [2019-11-24 05:29:14,479 INFO L226 Difference]: Without dead ends: 21 [2019-11-24 05:29:14,482 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 05:29:14,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-24 05:29:14,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-24 05:29:14,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-24 05:29:14,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-11-24 05:29:14,526 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 7 [2019-11-24 05:29:14,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:29:14,527 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-24 05:29:14,527 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-24 05:29:14,527 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-24 05:29:14,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 05:29:14,528 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:29:14,528 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:29:14,528 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:29:14,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:29:14,528 INFO L82 PathProgramCache]: Analyzing trace with hash -959072225, now seen corresponding path program 1 times [2019-11-24 05:29:14,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:29:14,529 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420491087] [2019-11-24 05:29:14,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:29:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:29:14,722 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 05:29:14,723 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420491087] [2019-11-24 05:29:14,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:29:14,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-24 05:29:14,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355248904] [2019-11-24 05:29:14,726 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-24 05:29:14,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:29:14,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-24 05:29:14,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-24 05:29:14,729 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 6 states. [2019-11-24 05:29:14,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:29:14,867 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2019-11-24 05:29:14,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 05:29:14,868 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 7 [2019-11-24 05:29:14,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:29:14,869 INFO L225 Difference]: With dead ends: 28 [2019-11-24 05:29:14,869 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 05:29:14,870 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-11-24 05:29:14,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 05:29:14,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 05:29:14,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 05:29:14,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 05:29:14,871 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-11-24 05:29:14,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:29:14,872 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 05:29:14,872 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-24 05:29:14,872 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 05:29:14,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 05:29:14,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 05:29:15,019 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2019-11-24 05:29:15,020 INFO L440 ceAbstractionStarter]: At program point L85(lines 85 89) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-24 05:29:15,020 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-24 05:29:15,020 INFO L444 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-11-24 05:29:15,021 INFO L444 ceAbstractionStarter]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2019-11-24 05:29:15,021 INFO L444 ceAbstractionStarter]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2019-11-24 05:29:15,021 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 05:29:15,021 INFO L440 ceAbstractionStarter]: At program point L273(lines 226 274) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-24 05:29:15,022 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2019-11-24 05:29:15,022 INFO L440 ceAbstractionStarter]: At program point L159(lines 159 166) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-24 05:29:15,022 INFO L447 ceAbstractionStarter]: At program point L159-1(lines 159 166) the Hoare annotation is: true [2019-11-24 05:29:15,022 INFO L444 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2019-11-24 05:29:15,022 INFO L444 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2019-11-24 05:29:15,023 INFO L444 ceAbstractionStarter]: For program point L177-2(line 177) no Hoare annotation was computed. [2019-11-24 05:29:15,024 INFO L440 ceAbstractionStarter]: At program point L228(lines 227 272) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-24 05:29:15,024 INFO L440 ceAbstractionStarter]: At program point L81-2(lines 81 95) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-24 05:29:15,025 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2019-11-24 05:29:15,025 INFO L440 ceAbstractionStarter]: At program point L51(lines 51 64) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-24 05:29:15,025 INFO L440 ceAbstractionStarter]: At program point L51-1(lines 1 893) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-24 05:29:15,026 INFO L440 ceAbstractionStarter]: At program point L51-2(lines 51 64) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-24 05:29:15,028 INFO L440 ceAbstractionStarter]: At program point L51-3(lines 1 893) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-24 05:29:15,028 INFO L440 ceAbstractionStarter]: At program point L51-4(lines 51 64) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-24 05:29:15,028 INFO L440 ceAbstractionStarter]: At program point L51-5(lines 1 893) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-24 05:29:15,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 05:29:15 BoogieIcfgContainer [2019-11-24 05:29:15,049 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 05:29:15,055 INFO L168 Benchmark]: Toolchain (without parser) took 3307.23 ms. Allocated memory was 145.2 MB in the beginning and 236.5 MB in the end (delta: 91.2 MB). Free memory was 101.8 MB in the beginning and 94.7 MB in the end (delta: 7.2 MB). Peak memory consumption was 98.4 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:15,056 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-24 05:29:15,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.13 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 101.6 MB in the beginning and 172.1 MB in the end (delta: -70.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:15,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.05 ms. Allocated memory is still 202.9 MB. Free memory was 172.1 MB in the beginning and 168.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:15,061 INFO L168 Benchmark]: Boogie Preprocessor took 46.33 ms. Allocated memory is still 202.9 MB. Free memory was 168.6 MB in the beginning and 166.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:15,064 INFO L168 Benchmark]: RCFGBuilder took 1478.84 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 166.5 MB in the beginning and 155.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:15,066 INFO L168 Benchmark]: TraceAbstraction took 1027.88 ms. Allocated memory is still 236.5 MB. Free memory was 153.8 MB in the beginning and 94.7 MB in the end (delta: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:15,080 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 684.13 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 101.6 MB in the beginning and 172.1 MB in the end (delta: -70.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 65.05 ms. Allocated memory is still 202.9 MB. Free memory was 172.1 MB in the beginning and 168.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.33 ms. Allocated memory is still 202.9 MB. Free memory was 168.6 MB in the beginning and 166.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1478.84 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 166.5 MB in the beginning and 155.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1027.88 ms. Allocated memory is still 236.5 MB. Free memory was 153.8 MB in the beginning and 94.7 MB in the end (delta: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 177]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 177]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 177]: 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: 51]: Loop Invariant Derived loop invariant: (tmp == systemActive && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: (tmp == systemActive && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (tmp == systemActive && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: (tmp == systemActive && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: (tmp == systemActive && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (tmp == systemActive && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: (tmp == systemActive && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: (tmp == systemActive && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (tmp == systemActive && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (tmp == systemActive && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: (tmp == systemActive && pumpRunning == 0) && !(0 == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: SAFE, OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 42 SDtfs, 36 SDslu, 9 SDs, 0 SdLazy, 20 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 31 NumberOfFragments, 123 HoareAnnotationTreeSize, 13 FomulaSimplifications, 105 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 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...