/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_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:29:16,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:29:16,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:29:16,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:29:16,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:29:16,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:29:16,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:29:16,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:29:16,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:29:16,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:29:16,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:29:16,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:29:16,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:29:16,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:29:16,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:29:16,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:29:16,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:29:16,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:29:16,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:29:16,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:29:16,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:29:16,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:29:16,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:29:16,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:29:16,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:29:16,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 05:29:16,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 05:29:16,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 05:29:16,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 05:29:16,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 05:29:16,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 05:29:16,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 05:29:16,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 05:29:16,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:29:16,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:29:16,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:29:16,138 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 05:29:16,168 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:29:16,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:29:16,169 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:29:16,170 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:29:16,170 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:29:16,170 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:29:16,171 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:29:16,171 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:29:16,171 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:29:16,171 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:29:16,172 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:29:16,173 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:29:16,173 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:29:16,173 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:29:16,174 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:29:16,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:29:16,175 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:29:16,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:29:16,176 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:29:16,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:29:16,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:29:16,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:29:16,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:29:16,177 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:29:16,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:29:16,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:29:16,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:29:16,178 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:29:16,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:29:16,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:29:16,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:29:16,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:29:16,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:29:16,181 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:29:16,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:29:16,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:29:16,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:29:16,182 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:29:16,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:29:16,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:29:16,496 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:29:16,498 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:29:16,498 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:29:16,499 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product23.cil.c [2019-11-24 05:29:16,578 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/905568bbf/ce78db7c28fc472d9547ddd3d8feba55/FLAG38c47038d [2019-11-24 05:29:17,099 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:29:17,100 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product23.cil.c [2019-11-24 05:29:17,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/905568bbf/ce78db7c28fc472d9547ddd3d8feba55/FLAG38c47038d [2019-11-24 05:29:17,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/905568bbf/ce78db7c28fc472d9547ddd3d8feba55 [2019-11-24 05:29:17,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:29:17,415 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:29:17,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:29:17,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:29:17,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:29:17,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:29:17" (1/1) ... [2019-11-24 05:29:17,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@720b1c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:17, skipping insertion in model container [2019-11-24 05:29:17,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:29:17" (1/1) ... [2019-11-24 05:29:17,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:29:17,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:29:17,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:29:17,946 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:29:18,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:29:18,106 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:29:18,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:18 WrapperNode [2019-11-24 05:29:18,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:29:18,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:29:18,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:29:18,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:29:18,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:18" (1/1) ... [2019-11-24 05:29:18,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:18" (1/1) ... [2019-11-24 05:29:18,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:29:18,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:29:18,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:29:18,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:29:18,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:18" (1/1) ... [2019-11-24 05:29:18,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:18" (1/1) ... [2019-11-24 05:29:18,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:18" (1/1) ... [2019-11-24 05:29:18,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:18" (1/1) ... [2019-11-24 05:29:18,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:18" (1/1) ... [2019-11-24 05:29:18,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:18" (1/1) ... [2019-11-24 05:29:18,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:18" (1/1) ... [2019-11-24 05:29:18,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:29:18,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:29:18,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:29:18,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:29:18,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:18" (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 05:29:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:29:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:29:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:29:18,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:29:20,317 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:29:20,317 INFO L284 CfgBuilder]: Removed 160 assume(true) statements. [2019-11-24 05:29:20,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:29:20 BoogieIcfgContainer [2019-11-24 05:29:20,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:29:20,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:29:20,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:29:20,323 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:29:20,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:29:17" (1/3) ... [2019-11-24 05:29:20,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@375b537d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:29:20, skipping insertion in model container [2019-11-24 05:29:20,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:18" (2/3) ... [2019-11-24 05:29:20,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@375b537d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:29:20, skipping insertion in model container [2019-11-24 05:29:20,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:29:20" (3/3) ... [2019-11-24 05:29:20,327 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product23.cil.c [2019-11-24 05:29:20,337 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:29:20,344 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-24 05:29:20,356 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-24 05:29:20,381 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:29:20,381 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:29:20,381 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:29:20,381 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:29:20,382 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:29:20,382 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:29:20,382 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:29:20,382 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:29:20,398 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-24 05:29:20,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 05:29:20,405 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:29:20,406 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:29:20,407 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:29:20,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:29:20,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1501050336, now seen corresponding path program 1 times [2019-11-24 05:29:20,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:29:20,424 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911813037] [2019-11-24 05:29:20,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:29:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:29:20,706 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 05:29:20,707 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911813037] [2019-11-24 05:29:20,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:29:20,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 05:29:20,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439281282] [2019-11-24 05:29:20,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-24 05:29:20,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:29:20,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-24 05:29:20,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 05:29:20,732 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2019-11-24 05:29:20,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:29:20,753 INFO L93 Difference]: Finished difference Result 44 states and 63 transitions. [2019-11-24 05:29:20,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-24 05:29:20,754 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-24 05:29:20,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:29:20,765 INFO L225 Difference]: With dead ends: 44 [2019-11-24 05:29:20,765 INFO L226 Difference]: Without dead ends: 21 [2019-11-24 05:29:20,769 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 05:29:20,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-24 05:29:20,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-24 05:29:20,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-24 05:29:20,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-11-24 05:29:20,806 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 7 [2019-11-24 05:29:20,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:29:20,807 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-24 05:29:20,807 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-24 05:29:20,807 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-24 05:29:20,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 05:29:20,808 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:29:20,808 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:29:20,808 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:29:20,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:29:20,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1060105164, now seen corresponding path program 1 times [2019-11-24 05:29:20,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:29:20,810 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838529329] [2019-11-24 05:29:20,810 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:29:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:29:21,067 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 05:29:21,067 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838529329] [2019-11-24 05:29:21,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:29:21,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:29:21,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029124303] [2019-11-24 05:29:21,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 05:29:21,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:29:21,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 05:29:21,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 05:29:21,071 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 4 states. [2019-11-24 05:29:21,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:29:21,170 INFO L93 Difference]: Finished difference Result 57 states and 70 transitions. [2019-11-24 05:29:21,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-24 05:29:21,170 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-24 05:29:21,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:29:21,171 INFO L225 Difference]: With dead ends: 57 [2019-11-24 05:29:21,172 INFO L226 Difference]: Without dead ends: 31 [2019-11-24 05:29:21,173 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 05:29:21,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-24 05:29:21,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 24. [2019-11-24 05:29:21,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-24 05:29:21,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2019-11-24 05:29:21,180 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 7 [2019-11-24 05:29:21,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:29:21,180 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2019-11-24 05:29:21,180 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 05:29:21,181 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2019-11-24 05:29:21,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-24 05:29:21,181 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:29:21,181 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-11-24 05:29:21,182 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:29:21,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:29:21,182 INFO L82 PathProgramCache]: Analyzing trace with hash 995351203, now seen corresponding path program 1 times [2019-11-24 05:29:21,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:29:21,183 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827427344] [2019-11-24 05:29:21,183 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:29:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:29:21,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 05:29:21,395 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827427344] [2019-11-24 05:29:21,395 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49851037] [2019-11-24 05:29:21,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 05:29:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:29:21,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-24 05:29:21,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 05:29:21,631 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,633 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,722 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,727 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,738 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,745 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,747 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,751 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,812 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 05:29:21,812 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 05:29:21,820 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,823 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,825 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,828 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,830 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,832 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,833 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,839 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,840 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,842 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,853 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,855 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,865 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,873 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,874 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,876 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,905 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,908 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,912 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,915 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,922 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,925 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,928 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,929 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,936 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,945 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,948 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,952 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,953 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,956 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,959 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,960 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:21,994 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-24 05:29:21,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-24 05:29:21,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 6] total 11 [2019-11-24 05:29:21,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320791834] [2019-11-24 05:29:21,995 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-24 05:29:21,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:29:21,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-24 05:29:21,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2019-11-24 05:29:21,999 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 5 states. [2019-11-24 05:29:22,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:29:22,086 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2019-11-24 05:29:22,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 05:29:22,087 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-11-24 05:29:22,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:29:22,087 INFO L225 Difference]: With dead ends: 31 [2019-11-24 05:29:22,087 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 05:29:22,088 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-24 05:29:22,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 05:29:22,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 05:29:22,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 05:29:22,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 05:29:22,089 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-24 05:29:22,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:29:22,090 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 05:29:22,090 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-24 05:29:22,090 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 05:29:22,090 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 05:29:22,297 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 05:29:22,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 05:29:22,361 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-24 05:29:22,361 INFO L444 ceAbstractionStarter]: For program point L829(lines 829 835) no Hoare annotation was computed. [2019-11-24 05:29:22,361 INFO L444 ceAbstractionStarter]: For program point L829-2(lines 829 835) no Hoare annotation was computed. [2019-11-24 05:29:22,362 INFO L444 ceAbstractionStarter]: For program point L829-4(lines 829 835) no Hoare annotation was computed. [2019-11-24 05:29:22,362 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-24 05:29:22,362 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-24 05:29:22,362 INFO L444 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-24 05:29:22,362 INFO L444 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-24 05:29:22,363 INFO L440 ceAbstractionStarter]: At program point L610(lines 561 611) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:22,363 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-24 05:29:22,363 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 05:29:22,363 INFO L440 ceAbstractionStarter]: At program point L854-2(lines 854 868) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:22,363 INFO L440 ceAbstractionStarter]: At program point L858(lines 858 862) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:22,363 INFO L440 ceAbstractionStarter]: At program point L825(lines 825 838) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:22,363 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-24 05:29:22,363 INFO L440 ceAbstractionStarter]: At program point L825-1(lines 1 937) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:22,364 INFO L440 ceAbstractionStarter]: At program point L825-2(lines 825 838) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:22,364 INFO L440 ceAbstractionStarter]: At program point L825-3(lines 1 937) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:22,364 INFO L440 ceAbstractionStarter]: At program point L825-4(lines 825 838) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:22,364 INFO L440 ceAbstractionStarter]: At program point L825-5(lines 1 937) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:22,364 INFO L440 ceAbstractionStarter]: At program point L925(lines 925 932) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-24 05:29:22,364 INFO L447 ceAbstractionStarter]: At program point L925-1(lines 925 932) the Hoare annotation is: true [2019-11-24 05:29:22,364 INFO L440 ceAbstractionStarter]: At program point L563(lines 562 609) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:22,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 05:29:22 BoogieIcfgContainer [2019-11-24 05:29:22,381 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 05:29:22,383 INFO L168 Benchmark]: Toolchain (without parser) took 4967.82 ms. Allocated memory was 136.8 MB in the beginning and 251.7 MB in the end (delta: 114.8 MB). Free memory was 100.8 MB in the beginning and 153.0 MB in the end (delta: -52.2 MB). Peak memory consumption was 62.7 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:22,384 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 05:29:22,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.21 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 100.6 MB in the beginning and 168.4 MB in the end (delta: -67.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:22,386 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.66 ms. Allocated memory is still 200.3 MB. Free memory was 168.4 MB in the beginning and 164.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:22,387 INFO L168 Benchmark]: Boogie Preprocessor took 42.39 ms. Allocated memory is still 200.3 MB. Free memory was 164.9 MB in the beginning and 162.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:22,388 INFO L168 Benchmark]: RCFGBuilder took 2096.73 ms. Allocated memory was 200.3 MB in the beginning and 252.2 MB in the end (delta: 51.9 MB). Free memory was 162.1 MB in the beginning and 220.3 MB in the end (delta: -58.3 MB). Peak memory consumption was 117.3 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:22,389 INFO L168 Benchmark]: TraceAbstraction took 2060.73 ms. Allocated memory was 252.2 MB in the beginning and 251.7 MB in the end (delta: -524.3 kB). Free memory was 220.3 MB in the beginning and 153.0 MB in the end (delta: 67.3 MB). Peak memory consumption was 66.8 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:22,395 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 691.21 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 100.6 MB in the beginning and 168.4 MB in the end (delta: -67.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 71.66 ms. Allocated memory is still 200.3 MB. Free memory was 168.4 MB in the beginning and 164.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.39 ms. Allocated memory is still 200.3 MB. Free memory was 164.9 MB in the beginning and 162.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2096.73 ms. Allocated memory was 200.3 MB in the beginning and 252.2 MB in the end (delta: 51.9 MB). Free memory was 162.1 MB in the beginning and 220.3 MB in the end (delta: -58.3 MB). Peak memory consumption was 117.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2060.73 ms. Allocated memory was 252.2 MB in the beginning and 251.7 MB in the end (delta: -524.3 kB). Free memory was 220.3 MB in the beginning and 153.0 MB in the end (delta: 67.3 MB). Peak memory consumption was 66.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 1 == waterLevel && pumpRunning == 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: SAFE, OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 66 SDtfs, 40 SDslu, 42 SDs, 0 SdLazy, 38 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=2, 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, 3 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 41 NumberOfFragments, 39 HoareAnnotationTreeSize, 13 FomulaSimplifications, 154 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 2079 SizeOfPredicates, 72 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 3/9 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...