/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_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:29:17,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:29:17,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:29:17,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:29:17,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:29:17,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:29:17,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:29:17,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:29:17,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:29:17,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:29:17,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:29:17,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:29:17,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:29:17,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:29:17,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:29:17,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:29:17,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:29:17,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:29:17,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:29:17,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:29:17,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:29:17,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:29:17,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:29:17,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:29:17,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:29:17,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:29:17,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:29:17,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:29:17,365 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 05:29:17,387 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:29:17,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:29:17,388 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:29:17,388 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:29:17,388 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:29:17,388 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:29:17,389 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:29:17,389 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:29:17,389 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:29:17,389 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:29:17,389 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:29:17,390 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:29:17,390 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:29:17,390 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:29:17,390 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:29:17,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:29:17,391 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:29:17,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:29:17,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:29:17,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:29:17,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:29:17,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:29:17,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:29:17,393 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:29:17,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:29:17,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:29:17,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:29:17,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:29:17,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:29:17,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:29:17,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:29:17,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:29:17,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:29:17,395 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:29:17,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:29:17,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:29:17,395 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:29:17,396 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:29:17,670 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:29:17,690 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:29:17,693 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:29:17,695 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:29:17,695 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:29:17,696 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product25.cil.c [2019-11-24 05:29:17,773 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04c39e7a0/dceb7c46a0984a5f96314eaa062acf00/FLAG0a41f0ff3 [2019-11-24 05:29:18,305 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:29:18,307 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product25.cil.c [2019-11-24 05:29:18,325 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04c39e7a0/dceb7c46a0984a5f96314eaa062acf00/FLAG0a41f0ff3 [2019-11-24 05:29:18,628 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04c39e7a0/dceb7c46a0984a5f96314eaa062acf00 [2019-11-24 05:29:18,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:29:18,638 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:29:18,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:29:18,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:29:18,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:29:18,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:29:18" (1/1) ... [2019-11-24 05:29:18,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eac5376 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 05:29:18,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:29:18" (1/1) ... [2019-11-24 05:29:18,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:29:18,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:29:19,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:29:19,136 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:29:19,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:29:19,275 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:29:19,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:19 WrapperNode [2019-11-24 05:29:19,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:29:19,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:29:19,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:29:19,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:29:19,285 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 05:29:19,304 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 05:29:19,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:29:19,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:29:19,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:29:19,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:29:19,351 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 05:29:19,351 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 05:29:19,355 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 05:29:19,355 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 05:29:19,365 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 05:29:19,372 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 05:29:19,375 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 05:29:19,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:29:19,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:29:19,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:29:19,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:29:19,381 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 05:29:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:29:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:29:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:29:19,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:29:20,903 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:29:20,904 INFO L284 CfgBuilder]: Removed 96 assume(true) statements. [2019-11-24 05:29:20,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:29:20 BoogieIcfgContainer [2019-11-24 05:29:20,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:29:20,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:29:20,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:29:20,912 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:29:20,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:29:18" (1/3) ... [2019-11-24 05:29:20,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cc6af6 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 05:29:20,914 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 05:29:20,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cc6af6 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 05:29:20,915 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 05:29:20,919 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product25.cil.c [2019-11-24 05:29:20,930 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:29:20,938 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-24 05:29:20,951 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-24 05:29:20,981 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:29:20,981 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:29:20,981 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:29:20,981 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:29:20,982 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:29:20,982 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:29:20,982 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:29:20,982 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:29:21,003 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-24 05:29:21,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 05:29:21,013 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:29:21,014 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:29:21,015 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:29:21,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:29:21,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1225590205, now seen corresponding path program 1 times [2019-11-24 05:29:21,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:29:21,034 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46289957] [2019-11-24 05:29:21,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:29:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:29:21,390 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 05:29:21,391 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46289957] [2019-11-24 05:29:21,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:29:21,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 05:29:21,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752200639] [2019-11-24 05:29:21,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-24 05:29:21,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:29:21,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-24 05:29:21,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 05:29:21,417 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2019-11-24 05:29:21,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:29:21,441 INFO L93 Difference]: Finished difference Result 44 states and 63 transitions. [2019-11-24 05:29:21,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-24 05:29:21,443 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-24 05:29:21,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:29:21,454 INFO L225 Difference]: With dead ends: 44 [2019-11-24 05:29:21,454 INFO L226 Difference]: Without dead ends: 21 [2019-11-24 05:29:21,461 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 05:29:21,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-24 05:29:21,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-24 05:29:21,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-24 05:29:21,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-11-24 05:29:21,510 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 7 [2019-11-24 05:29:21,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:29:21,510 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-24 05:29:21,510 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-24 05:29:21,511 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-24 05:29:21,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 05:29:21,511 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:29:21,511 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:29:21,512 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:29:21,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:29:21,512 INFO L82 PathProgramCache]: Analyzing trace with hash 931791910, now seen corresponding path program 1 times [2019-11-24 05:29:21,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:29:21,513 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400768159] [2019-11-24 05:29:21,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:29:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:29:21,667 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 05:29:21,667 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400768159] [2019-11-24 05:29:21,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:29:21,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:29:21,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879171173] [2019-11-24 05:29:21,671 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 05:29:21,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:29:21,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 05:29:21,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 05:29:21,672 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 4 states. [2019-11-24 05:29:21,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:29:21,761 INFO L93 Difference]: Finished difference Result 53 states and 66 transitions. [2019-11-24 05:29:21,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-24 05:29:21,762 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-24 05:29:21,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:29:21,763 INFO L225 Difference]: With dead ends: 53 [2019-11-24 05:29:21,763 INFO L226 Difference]: Without dead ends: 27 [2019-11-24 05:29:21,764 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 05:29:21,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-24 05:29:21,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2019-11-24 05:29:21,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-24 05:29:21,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2019-11-24 05:29:21,771 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 7 [2019-11-24 05:29:21,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:29:21,771 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2019-11-24 05:29:21,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 05:29:21,772 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2019-11-24 05:29:21,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-24 05:29:21,772 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:29:21,772 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-11-24 05:29:21,773 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:29:21,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:29:21,773 INFO L82 PathProgramCache]: Analyzing trace with hash -708121087, now seen corresponding path program 1 times [2019-11-24 05:29:21,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:29:21,774 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534005195] [2019-11-24 05:29:21,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:29:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:29:21,986 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 05:29:21,986 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534005195] [2019-11-24 05:29:21,986 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207994498] [2019-11-24 05:29:21,987 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 05:29:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:29:22,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-24 05:29:22,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 05:29:22,242 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:22,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-24 05:29:22,270 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 05:29:22,276 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:22,279 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:22,282 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:22,302 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:22,303 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:22,305 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:22,325 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 05:29:22,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-24 05:29:22,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4] total 8 [2019-11-24 05:29:22,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071114353] [2019-11-24 05:29:22,326 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 05:29:22,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:29:22,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 05:29:22,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-24 05:29:22,327 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 4 states. [2019-11-24 05:29:22,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:29:22,393 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2019-11-24 05:29:22,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 05:29:22,394 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-24 05:29:22,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:29:22,394 INFO L225 Difference]: With dead ends: 31 [2019-11-24 05:29:22,394 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 05:29:22,395 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-11-24 05:29:22,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 05:29:22,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 05:29:22,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 05:29:22,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 05:29:22,396 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-24 05:29:22,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:29:22,396 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 05:29:22,396 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 05:29:22,397 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 05:29:22,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 05:29:22,597 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 05:29:22,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 05:29:22,652 INFO L440 ceAbstractionStarter]: At program point L828-2(lines 828 842) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:22,653 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-24 05:29:22,653 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-24 05:29:22,653 INFO L440 ceAbstractionStarter]: At program point L832(lines 832 836) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:22,653 INFO L440 ceAbstractionStarter]: At program point L899(lines 899 906) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-24 05:29:22,653 INFO L447 ceAbstractionStarter]: At program point L899-1(lines 899 906) the Hoare annotation is: true [2019-11-24 05:29:22,653 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 05:29:22,654 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-24 05:29:22,654 INFO L440 ceAbstractionStarter]: At program point L109(lines 62 110) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:22,654 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-24 05:29:22,654 INFO L444 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-24 05:29:22,654 INFO L444 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-24 05:29:22,654 INFO L440 ceAbstractionStarter]: At program point L344(lines 344 357) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:22,654 INFO L440 ceAbstractionStarter]: At program point L344-1(lines 1 911) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:22,655 INFO L440 ceAbstractionStarter]: At program point L344-2(lines 344 357) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:22,655 INFO L440 ceAbstractionStarter]: At program point L344-3(lines 1 911) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:22,655 INFO L440 ceAbstractionStarter]: At program point L344-4(lines 344 357) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:22,655 INFO L440 ceAbstractionStarter]: At program point L344-5(lines 1 911) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:22,655 INFO L440 ceAbstractionStarter]: At program point L64(lines 63 108) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:22,655 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-24 05:29:22,656 INFO L444 ceAbstractionStarter]: For program point L348(lines 348 354) no Hoare annotation was computed. [2019-11-24 05:29:22,656 INFO L444 ceAbstractionStarter]: For program point L348-2(lines 348 354) no Hoare annotation was computed. [2019-11-24 05:29:22,656 INFO L444 ceAbstractionStarter]: For program point L348-4(lines 348 354) no Hoare annotation was computed. [2019-11-24 05:29:22,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 05:29:22 BoogieIcfgContainer [2019-11-24 05:29:22,674 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 05:29:22,678 INFO L168 Benchmark]: Toolchain (without parser) took 4038.68 ms. Allocated memory was 136.8 MB in the beginning and 249.6 MB in the end (delta: 112.7 MB). Free memory was 100.0 MB in the beginning and 182.0 MB in the end (delta: -82.0 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:22,679 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory is still 119.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 05:29:22,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.36 ms. Allocated memory was 136.8 MB in the beginning and 199.8 MB in the end (delta: 62.9 MB). Free memory was 99.5 MB in the beginning and 166.8 MB in the end (delta: -67.2 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:22,683 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.47 ms. Allocated memory is still 199.8 MB. Free memory was 166.8 MB in the beginning and 163.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:22,684 INFO L168 Benchmark]: Boogie Preprocessor took 37.11 ms. Allocated memory is still 199.8 MB. Free memory was 163.5 MB in the beginning and 161.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:22,690 INFO L168 Benchmark]: RCFGBuilder took 1528.21 ms. Allocated memory was 199.8 MB in the beginning and 230.2 MB in the end (delta: 30.4 MB). Free memory was 161.6 MB in the beginning and 165.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:22,692 INFO L168 Benchmark]: TraceAbstraction took 1765.52 ms. Allocated memory was 230.2 MB in the beginning and 249.6 MB in the end (delta: 19.4 MB). Free memory was 164.0 MB in the beginning and 182.0 MB in the end (delta: -18.0 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:22,702 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory is still 119.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 636.36 ms. Allocated memory was 136.8 MB in the beginning and 199.8 MB in the end (delta: 62.9 MB). Free memory was 99.5 MB in the beginning and 166.8 MB in the end (delta: -67.2 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 65.47 ms. Allocated memory is still 199.8 MB. Free memory was 166.8 MB in the beginning and 163.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.11 ms. Allocated memory is still 199.8 MB. Free memory was 163.5 MB in the beginning and 161.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1528.21 ms. Allocated memory was 199.8 MB in the beginning and 230.2 MB in the end (delta: 30.4 MB). Free memory was 161.6 MB in the beginning and 165.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1765.52 ms. Allocated memory was 230.2 MB in the beginning and 249.6 MB in the end (delta: 19.4 MB). Free memory was 164.0 MB in the beginning and 182.0 MB in the end (delta: -18.0 MB). Peak memory consumption was 1.4 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: 899]: Loop Invariant Derived loop invariant: 1 == waterLevel && pumpRunning == 0 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 66 SDtfs, 34 SDslu, 42 SDs, 0 SdLazy, 41 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s 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, 0.5s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 1380 SizeOfPredicates, 13 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 5/9 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...