/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_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:29:17,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:29:17,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:29:17,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:29:17,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:29:17,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:29:17,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:29:17,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:29:17,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:29:17,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:29:17,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:29:17,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:29:17,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:29:17,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:29:17,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:29:17,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:29:17,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:29:17,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:29:17,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:29:17,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:29:17,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:29:17,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:29:17,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:29:17,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:29:17,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:29:17,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 05:29:17,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 05:29:17,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 05:29:17,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 05:29:17,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 05:29:17,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 05:29:17,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 05:29:17,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 05:29:17,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:29:17,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:29:17,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:29:17,113 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 05:29:17,136 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:29:17,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:29:17,137 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:29:17,138 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:29:17,138 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:29:17,138 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:29:17,138 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:29:17,138 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:29:17,139 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:29:17,139 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:29:17,140 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:29:17,140 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:29:17,140 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:29:17,141 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:29:17,141 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:29:17,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:29:17,142 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:29:17,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:29:17,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:29:17,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:29:17,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:29:17,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:29:17,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:29:17,145 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:29:17,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:29:17,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:29:17,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:29:17,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:29:17,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:29:17,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:29:17,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:29:17,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:29:17,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:29:17,148 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:29:17,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:29:17,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:29:17,148 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:29:17,149 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:29:17,408 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:29:17,421 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:29:17,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:29:17,426 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:29:17,426 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:29:17,427 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2019-11-24 05:29:17,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4ff89ff8/b5f1340ef4b6439b9c7d98b8ec2e0868/FLAG43fa92c46 [2019-11-24 05:29:18,062 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:29:18,063 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2019-11-24 05:29:18,076 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4ff89ff8/b5f1340ef4b6439b9c7d98b8ec2e0868/FLAG43fa92c46 [2019-11-24 05:29:18,391 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4ff89ff8/b5f1340ef4b6439b9c7d98b8ec2e0868 [2019-11-24 05:29:18,399 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:29:18,401 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:29:18,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:29:18,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:29:18,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:29:18,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:29:18" (1/1) ... [2019-11-24 05:29:18,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a89cb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:18, skipping insertion in model container [2019-11-24 05:29:18,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:29:18" (1/1) ... [2019-11-24 05:29:18,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:29:18,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:29:18,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:29:18,979 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:29:19,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:29:19,111 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:29:19,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:19 WrapperNode [2019-11-24 05:29:19,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:29:19,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:29:19,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:29:19,113 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:29:19,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:19" (1/1) ... [2019-11-24 05:29:19,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:19" (1/1) ... [2019-11-24 05:29:19,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:29:19,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:29:19,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:29:19,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:29:19,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:19" (1/1) ... [2019-11-24 05:29:19,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:19" (1/1) ... [2019-11-24 05:29:19,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:19" (1/1) ... [2019-11-24 05:29:19,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:19" (1/1) ... [2019-11-24 05:29:19,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:19" (1/1) ... [2019-11-24 05:29:19,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:19" (1/1) ... [2019-11-24 05:29:19,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:19" (1/1) ... [2019-11-24 05:29:19,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:29:19,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:29:19,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:29:19,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:29:19,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:19" (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 05:29:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:29:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:29:19,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:29:19,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:29:21,638 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:29:21,639 INFO L284 CfgBuilder]: Removed 162 assume(true) statements. [2019-11-24 05:29:21,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:29:21 BoogieIcfgContainer [2019-11-24 05:29:21,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:29:21,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:29:21,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:29:21,645 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:29:21,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:29:18" (1/3) ... [2019-11-24 05:29:21,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5015de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:29:21, skipping insertion in model container [2019-11-24 05:29:21,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:19" (2/3) ... [2019-11-24 05:29:21,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5015de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:29:21, skipping insertion in model container [2019-11-24 05:29:21,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:29:21" (3/3) ... [2019-11-24 05:29:21,648 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product24.cil.c [2019-11-24 05:29:21,659 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:29:21,668 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-24 05:29:21,681 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-24 05:29:21,706 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:29:21,706 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:29:21,706 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:29:21,706 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:29:21,707 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:29:21,707 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:29:21,707 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:29:21,707 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:29:21,723 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-24 05:29:21,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 05:29:21,730 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:29:21,731 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:29:21,731 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:29:21,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:29:21,738 INFO L82 PathProgramCache]: Analyzing trace with hash 859657894, now seen corresponding path program 1 times [2019-11-24 05:29:21,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:29:21,749 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95096487] [2019-11-24 05:29:21,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:29:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:29:22,208 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 05:29:22,210 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95096487] [2019-11-24 05:29:22,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:29:22,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:29:22,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396845195] [2019-11-24 05:29:22,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 05:29:22,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:29:22,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 05:29:22,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 05:29:22,234 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 4 states. [2019-11-24 05:29:22,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:29:22,343 INFO L93 Difference]: Finished difference Result 61 states and 87 transitions. [2019-11-24 05:29:22,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-24 05:29:22,345 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-24 05:29:22,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:29:22,355 INFO L225 Difference]: With dead ends: 61 [2019-11-24 05:29:22,355 INFO L226 Difference]: Without dead ends: 27 [2019-11-24 05:29:22,359 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 05:29:22,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-24 05:29:22,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2019-11-24 05:29:22,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-24 05:29:22,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2019-11-24 05:29:22,397 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 7 [2019-11-24 05:29:22,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:29:22,397 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2019-11-24 05:29:22,397 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 05:29:22,398 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2019-11-24 05:29:22,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-24 05:29:22,398 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:29:22,398 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-11-24 05:29:22,399 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:29:22,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:29:22,399 INFO L82 PathProgramCache]: Analyzing trace with hash -96287187, now seen corresponding path program 1 times [2019-11-24 05:29:22,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:29:22,400 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255012037] [2019-11-24 05:29:22,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:29:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:29:22,645 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 05:29:22,647 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255012037] [2019-11-24 05:29:22,648 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361654779] [2019-11-24 05:29:22,648 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 05:29:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:29:22,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-24 05:29:22,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 05:29:22,854 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:22,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:22,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:22,988 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 20 [2019-11-24 05:29:23,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,006 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,010 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,036 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,044 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,047 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,055 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 05:29:23,055 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 05:29:23,064 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,065 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,066 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,068 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,072 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,074 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,076 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,078 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,079 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,098 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,099 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,100 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,107 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,113 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,115 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,117 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,121 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,133 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,141 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,143 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,147 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:23,153 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 05:29:23,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-24 05:29:23,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4] total 6 [2019-11-24 05:29:23,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386791889] [2019-11-24 05:29:23,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 05:29:23,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:29:23,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 05:29:23,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-24 05:29:23,164 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 4 states. [2019-11-24 05:29:23,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:29:23,248 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2019-11-24 05:29:23,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 05:29:23,250 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-24 05:29:23,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:29:23,251 INFO L225 Difference]: With dead ends: 31 [2019-11-24 05:29:23,252 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 05:29:23,253 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-24 05:29:23,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 05:29:23,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 05:29:23,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 05:29:23,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 05:29:23,255 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-24 05:29:23,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:29:23,255 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 05:29:23,255 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 05:29:23,255 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 05:29:23,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 05:29:23,456 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 05:29:23,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 05:29:23,532 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 946) no Hoare annotation was computed. [2019-11-24 05:29:23,532 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 946) no Hoare annotation was computed. [2019-11-24 05:29:23,533 INFO L440 ceAbstractionStarter]: At program point L572(lines 521 573) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:23,533 INFO L440 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:23,533 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-24 05:29:23,533 INFO L444 ceAbstractionStarter]: For program point L946(line 946) no Hoare annotation was computed. [2019-11-24 05:29:23,533 INFO L444 ceAbstractionStarter]: For program point L946-1(line 946) no Hoare annotation was computed. [2019-11-24 05:29:23,533 INFO L444 ceAbstractionStarter]: For program point L946-2(line 946) no Hoare annotation was computed. [2019-11-24 05:29:23,533 INFO L440 ceAbstractionStarter]: At program point L56(lines 56 60) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:23,534 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 05:29:23,535 INFO L440 ceAbstractionStarter]: At program point L523(lines 522 571) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:23,535 INFO L440 ceAbstractionStarter]: At program point L889(lines 889 902) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:23,535 INFO L440 ceAbstractionStarter]: At program point L889-1(lines 1 949) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:23,535 INFO L440 ceAbstractionStarter]: At program point L889-2(lines 889 902) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:23,535 INFO L440 ceAbstractionStarter]: At program point L889-3(lines 1 949) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:23,535 INFO L440 ceAbstractionStarter]: At program point L889-4(lines 889 902) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:23,536 INFO L440 ceAbstractionStarter]: At program point L889-5(lines 1 949) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:23,536 INFO L440 ceAbstractionStarter]: At program point L130(lines 130 137) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-24 05:29:23,537 INFO L447 ceAbstractionStarter]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-11-24 05:29:23,537 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 946) no Hoare annotation was computed. [2019-11-24 05:29:23,537 INFO L444 ceAbstractionStarter]: For program point L893(lines 893 899) no Hoare annotation was computed. [2019-11-24 05:29:23,537 INFO L444 ceAbstractionStarter]: For program point L893-2(lines 893 899) no Hoare annotation was computed. [2019-11-24 05:29:23,537 INFO L444 ceAbstractionStarter]: For program point L893-4(lines 893 899) no Hoare annotation was computed. [2019-11-24 05:29:23,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 05:29:23 BoogieIcfgContainer [2019-11-24 05:29:23,552 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 05:29:23,556 INFO L168 Benchmark]: Toolchain (without parser) took 5154.67 ms. Allocated memory was 144.7 MB in the beginning and 243.3 MB in the end (delta: 98.6 MB). Free memory was 103.3 MB in the beginning and 140.8 MB in the end (delta: -37.5 MB). Peak memory consumption was 61.0 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:23,557 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 144.7 MB. Free memory was 122.5 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 05:29:23,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.71 ms. Allocated memory was 144.7 MB in the beginning and 204.5 MB in the end (delta: 59.8 MB). Free memory was 103.0 MB in the beginning and 171.3 MB in the end (delta: -68.3 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:23,559 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.50 ms. Allocated memory is still 204.5 MB. Free memory was 171.3 MB in the beginning and 167.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:23,559 INFO L168 Benchmark]: Boogie Preprocessor took 47.87 ms. Allocated memory is still 204.5 MB. Free memory was 167.4 MB in the beginning and 164.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:23,560 INFO L168 Benchmark]: RCFGBuilder took 2406.52 ms. Allocated memory was 204.5 MB in the beginning and 243.8 MB in the end (delta: 39.3 MB). Free memory was 164.8 MB in the beginning and 191.6 MB in the end (delta: -26.8 MB). Peak memory consumption was 108.5 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:23,562 INFO L168 Benchmark]: TraceAbstraction took 1910.50 ms. Allocated memory was 243.8 MB in the beginning and 243.3 MB in the end (delta: -524.3 kB). Free memory was 189.9 MB in the beginning and 140.8 MB in the end (delta: 49.1 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:23,566 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 144.7 MB. Free memory was 122.5 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 710.71 ms. Allocated memory was 144.7 MB in the beginning and 204.5 MB in the end (delta: 59.8 MB). Free memory was 103.0 MB in the beginning and 171.3 MB in the end (delta: -68.3 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 72.50 ms. Allocated memory is still 204.5 MB. Free memory was 171.3 MB in the beginning and 167.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.87 ms. Allocated memory is still 204.5 MB. Free memory was 167.4 MB in the beginning and 164.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2406.52 ms. Allocated memory was 204.5 MB in the beginning and 243.8 MB in the end (delta: 39.3 MB). Free memory was 164.8 MB in the beginning and 191.6 MB in the end (delta: -26.8 MB). Peak memory consumption was 108.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1910.50 ms. Allocated memory was 243.8 MB in the beginning and 243.3 MB in the end (delta: -524.3 kB). Free memory was 189.9 MB in the beginning and 140.8 MB in the end (delta: 49.1 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 946]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 946]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 946]: 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: 889]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 == waterLevel && pumpRunning == 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: SAFE, OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 42 SDtfs, 39 SDslu, 47 SDs, 0 SdLazy, 41 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 43 NumberOfFragments, 39 HoareAnnotationTreeSize, 13 FomulaSimplifications, 147 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 1767 SizeOfPredicates, 47 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 6/9 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...