/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_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:28:51,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:28:51,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:28:51,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:28:51,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:28:51,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:28:51,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:28:51,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:28:51,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:28:51,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:28:51,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:28:51,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:28:51,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:28:51,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:28:51,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:28:51,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:28:51,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:28:51,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:28:51,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:28:51,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:28:51,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:28:51,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:28:51,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:28:51,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:28:51,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:28:51,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:28:51,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:28:51,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:28:51,990 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 05:28:52,005 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:28:52,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:28:52,006 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:28:52,006 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:28:52,006 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:28:52,007 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:28:52,007 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:28:52,007 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:28:52,007 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:28:52,007 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:28:52,007 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:28:52,008 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:28:52,008 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:28:52,008 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:28:52,008 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:28:52,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:28:52,009 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:28:52,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:28:52,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:28:52,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:28:52,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:28:52,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:28:52,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:28:52,010 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:28:52,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:28:52,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:28:52,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:28:52,011 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:28:52,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:28:52,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:28:52,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:28:52,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:28:52,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:28:52,012 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:28:52,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:28:52,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:28:52,013 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:28:52,013 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:28:52,286 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:28:52,303 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:28:52,306 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:28:52,307 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:28:52,308 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:28:52,309 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c [2019-11-24 05:28:52,381 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23249ff08/2fb5319ac6904d5b80b0ff939c3c0624/FLAG604eae102 [2019-11-24 05:28:52,916 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:28:52,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c [2019-11-24 05:28:52,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23249ff08/2fb5319ac6904d5b80b0ff939c3c0624/FLAG604eae102 [2019-11-24 05:28:53,221 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23249ff08/2fb5319ac6904d5b80b0ff939c3c0624 [2019-11-24 05:28:53,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:28:53,233 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:28:53,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:28:53,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:28:53,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:28:53,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:28:53" (1/1) ... [2019-11-24 05:28:53,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54b301cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:28:53, skipping insertion in model container [2019-11-24 05:28:53,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:28:53" (1/1) ... [2019-11-24 05:28:53,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:28:53,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:28:53,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:28:53,729 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:28:53,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:28:53,834 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:28:53,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:28:53 WrapperNode [2019-11-24 05:28:53,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:28:53,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:28:53,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:28:53,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:28:53,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:28:53" (1/1) ... [2019-11-24 05:28:53,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:28:53" (1/1) ... [2019-11-24 05:28:53,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:28:53,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:28:53,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:28:53,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:28:53,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:28:53" (1/1) ... [2019-11-24 05:28:53,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:28:53" (1/1) ... [2019-11-24 05:28:53,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:28:53" (1/1) ... [2019-11-24 05:28:53,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:28:53" (1/1) ... [2019-11-24 05:28:53,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:28:53" (1/1) ... [2019-11-24 05:28:53,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:28:53" (1/1) ... [2019-11-24 05:28:53,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:28:53" (1/1) ... [2019-11-24 05:28:53,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:28:53,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:28:53,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:28:53,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:28:53,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:28:53" (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 05:28:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:28:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:28:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:28:54,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:28:55,187 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:28:55,188 INFO L284 CfgBuilder]: Removed 68 assume(true) statements. [2019-11-24 05:28:55,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:28:55 BoogieIcfgContainer [2019-11-24 05:28:55,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:28:55,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:28:55,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:28:55,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:28:55,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:28:53" (1/3) ... [2019-11-24 05:28:55,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5c3fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:28:55, skipping insertion in model container [2019-11-24 05:28:55,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:28:53" (2/3) ... [2019-11-24 05:28:55,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5c3fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:28:55, skipping insertion in model container [2019-11-24 05:28:55,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:28:55" (3/3) ... [2019-11-24 05:28:55,198 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product02.cil.c [2019-11-24 05:28:55,208 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:28:55,215 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-24 05:28:55,226 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-24 05:28:55,250 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:28:55,250 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:28:55,251 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:28:55,251 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:28:55,251 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:28:55,251 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:28:55,252 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:28:55,252 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:28:55,267 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-24 05:28:55,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 05:28:55,273 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:28:55,274 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:28:55,274 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:28:55,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:28:55,280 INFO L82 PathProgramCache]: Analyzing trace with hash -673149025, now seen corresponding path program 1 times [2019-11-24 05:28:55,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:28:55,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147829152] [2019-11-24 05:28:55,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:28:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:28:55,554 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 05:28:55,554 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147829152] [2019-11-24 05:28:55,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:28:55,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 05:28:55,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214538588] [2019-11-24 05:28:55,560 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-24 05:28:55,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:28:55,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-24 05:28:55,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 05:28:55,572 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2019-11-24 05:28:55,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:28:55,588 INFO L93 Difference]: Finished difference Result 44 states and 63 transitions. [2019-11-24 05:28:55,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-24 05:28:55,590 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-24 05:28:55,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:28:55,599 INFO L225 Difference]: With dead ends: 44 [2019-11-24 05:28:55,600 INFO L226 Difference]: Without dead ends: 21 [2019-11-24 05:28:55,603 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 05:28:55,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-24 05:28:55,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-24 05:28:55,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-24 05:28:55,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-11-24 05:28:55,637 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 7 [2019-11-24 05:28:55,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:28:55,637 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-24 05:28:55,637 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-24 05:28:55,638 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-24 05:28:55,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 05:28:55,638 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:28:55,638 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:28:55,639 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:28:55,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:28:55,639 INFO L82 PathProgramCache]: Analyzing trace with hash -894017159, now seen corresponding path program 1 times [2019-11-24 05:28:55,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:28:55,640 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074151392] [2019-11-24 05:28:55,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:28:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:28:55,812 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 05:28:55,812 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074151392] [2019-11-24 05:28:55,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:28:55,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:28:55,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112635980] [2019-11-24 05:28:55,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 05:28:55,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:28:55,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 05:28:55,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 05:28:55,817 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 4 states. [2019-11-24 05:28:55,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:28:55,898 INFO L93 Difference]: Finished difference Result 53 states and 66 transitions. [2019-11-24 05:28:55,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-24 05:28:55,899 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-24 05:28:55,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:28:55,900 INFO L225 Difference]: With dead ends: 53 [2019-11-24 05:28:55,900 INFO L226 Difference]: Without dead ends: 27 [2019-11-24 05:28:55,901 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 05:28:55,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-24 05:28:55,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2019-11-24 05:28:55,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-24 05:28:55,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2019-11-24 05:28:55,907 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 7 [2019-11-24 05:28:55,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:28:55,908 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2019-11-24 05:28:55,908 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 05:28:55,908 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2019-11-24 05:28:55,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-24 05:28:55,909 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:28:55,909 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-11-24 05:28:55,909 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:28:55,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:28:55,910 INFO L82 PathProgramCache]: Analyzing trace with hash -296251607, now seen corresponding path program 1 times [2019-11-24 05:28:55,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:28:55,910 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809869239] [2019-11-24 05:28:55,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:28:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:28:56,132 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 05:28:56,132 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809869239] [2019-11-24 05:28:56,133 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798222629] [2019-11-24 05:28:56,133 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 05:28:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:28:56,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-24 05:28:56,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 05:28:56,347 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 05:28:56,347 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 05:28:56,357 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 05:28:56,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-24 05:28:56,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2019-11-24 05:28:56,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153053239] [2019-11-24 05:28:56,358 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 05:28:56,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:28:56,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 05:28:56,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-24 05:28:56,360 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 4 states. [2019-11-24 05:28:56,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:28:56,441 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2019-11-24 05:28:56,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 05:28:56,442 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-24 05:28:56,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:28:56,443 INFO L225 Difference]: With dead ends: 31 [2019-11-24 05:28:56,443 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 05:28:56,444 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-24 05:28:56,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 05:28:56,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 05:28:56,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 05:28:56,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 05:28:56,447 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-24 05:28:56,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:28:56,448 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 05:28:56,448 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 05:28:56,448 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 05:28:56,448 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 05:28:56,655 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 05:28:56,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 05:28:56,736 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-24 05:28:56,736 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-24 05:28:56,736 INFO L440 ceAbstractionStarter]: At program point L766-2(lines 766 780) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:28:56,736 INFO L440 ceAbstractionStarter]: At program point L371(lines 371 384) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:28:56,737 INFO L440 ceAbstractionStarter]: At program point L371-1(lines 1 849) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:28:56,737 INFO L440 ceAbstractionStarter]: At program point L371-2(lines 371 384) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:28:56,737 INFO L440 ceAbstractionStarter]: At program point L371-3(lines 1 849) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:28:56,737 INFO L440 ceAbstractionStarter]: At program point L371-4(lines 371 384) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:28:56,737 INFO L440 ceAbstractionStarter]: At program point L371-5(lines 1 849) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:28:56,737 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 05:28:56,738 INFO L440 ceAbstractionStarter]: At program point L273(lines 224 274) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:28:56,738 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-24 05:28:56,738 INFO L440 ceAbstractionStarter]: At program point L770(lines 770 774) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:28:56,738 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-24 05:28:56,738 INFO L444 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-24 05:28:56,739 INFO L444 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-24 05:28:56,739 INFO L440 ceAbstractionStarter]: At program point L837(lines 837 844) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-24 05:28:56,739 INFO L447 ceAbstractionStarter]: At program point L837-1(lines 837 844) the Hoare annotation is: true [2019-11-24 05:28:56,739 INFO L440 ceAbstractionStarter]: At program point L226(lines 225 272) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:28:56,739 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 381) no Hoare annotation was computed. [2019-11-24 05:28:56,739 INFO L444 ceAbstractionStarter]: For program point L375-2(lines 375 381) no Hoare annotation was computed. [2019-11-24 05:28:56,740 INFO L444 ceAbstractionStarter]: For program point L375-4(lines 375 381) no Hoare annotation was computed. [2019-11-24 05:28:56,740 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-24 05:28:56,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 05:28:56 BoogieIcfgContainer [2019-11-24 05:28:56,756 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 05:28:56,759 INFO L168 Benchmark]: Toolchain (without parser) took 3524.80 ms. Allocated memory was 137.9 MB in the beginning and 234.4 MB in the end (delta: 96.5 MB). Free memory was 101.8 MB in the beginning and 97.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 101.2 MB. Max. memory is 7.1 GB. [2019-11-24 05:28:56,760 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 05:28:56,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.15 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 101.6 MB in the beginning and 170.5 MB in the end (delta: -68.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2019-11-24 05:28:56,762 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.41 ms. Allocated memory is still 201.9 MB. Free memory was 170.5 MB in the beginning and 167.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-11-24 05:28:56,763 INFO L168 Benchmark]: Boogie Preprocessor took 34.93 ms. Allocated memory is still 201.9 MB. Free memory was 167.5 MB in the beginning and 165.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-11-24 05:28:56,764 INFO L168 Benchmark]: RCFGBuilder took 1233.16 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 165.5 MB in the beginning and 200.2 MB in the end (delta: -34.8 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2019-11-24 05:28:56,765 INFO L168 Benchmark]: TraceAbstraction took 1565.35 ms. Allocated memory is still 234.4 MB. Free memory was 200.2 MB in the beginning and 97.0 MB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 7.1 GB. [2019-11-24 05:28:56,770 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 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 601.15 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 101.6 MB in the beginning and 170.5 MB in the end (delta: -68.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 85.41 ms. Allocated memory is still 201.9 MB. Free memory was 170.5 MB in the beginning and 167.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.93 ms. Allocated memory is still 201.9 MB. Free memory was 167.5 MB in the beginning and 165.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1233.16 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 165.5 MB in the beginning and 200.2 MB in the end (delta: -34.8 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1565.35 ms. Allocated memory is still 234.4 MB. Free memory was 200.2 MB in the beginning and 97.0 MB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 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: 837]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 1 == waterLevel && pumpRunning == 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 66 SDtfs, 36 SDslu, 42 SDs, 0 SdLazy, 41 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 41 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, 0.3s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 1092 SizeOfPredicates, 3 NumberOfNonLiveVariables, 335 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 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...