/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_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:29:21,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:29:21,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:29:21,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:29:21,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:29:21,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:29:21,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:29:21,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:29:21,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:29:21,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:29:21,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:29:21,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:29:21,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:29:21,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:29:21,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:29:21,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:29:21,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:29:21,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:29:21,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:29:21,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:29:21,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:29:21,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:29:21,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:29:21,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:29:21,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:29:21,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:29:21,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:29:21,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:29:21,669 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 05:29:21,692 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:29:21,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:29:21,693 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:29:21,693 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:29:21,694 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:29:21,694 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:29:21,694 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:29:21,694 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:29:21,694 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:29:21,695 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:29:21,695 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:29:21,695 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:29:21,695 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:29:21,695 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:29:21,696 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:29:21,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:29:21,697 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:29:21,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:29:21,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:29:21,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:29:21,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:29:21,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:29:21,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:29:21,698 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:29:21,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:29:21,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:29:21,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:29:21,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:29:21,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:29:21,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:29:21,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:29:21,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:29:21,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:29:21,700 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:29:21,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:29:21,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:29:21,701 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:29:21,701 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:29:21,996 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:29:22,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:29:22,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:29:22,021 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:29:22,021 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:29:22,022 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2019-11-24 05:29:22,089 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1bf186f8/6b4017fe998448b094ddd1ee645a0d60/FLAG38c321ed7 [2019-11-24 05:29:22,578 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:29:22,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2019-11-24 05:29:22,608 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1bf186f8/6b4017fe998448b094ddd1ee645a0d60/FLAG38c321ed7 [2019-11-24 05:29:22,941 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1bf186f8/6b4017fe998448b094ddd1ee645a0d60 [2019-11-24 05:29:22,949 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:29:22,951 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:29:22,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:29:22,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:29:22,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:29:22,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:29:22" (1/1) ... [2019-11-24 05:29:22,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354ba965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:22, skipping insertion in model container [2019-11-24 05:29:22,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:29:22" (1/1) ... [2019-11-24 05:29:22,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:29:23,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:29:23,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:29:23,502 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:29:23,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:29:23,676 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:29:23,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:23 WrapperNode [2019-11-24 05:29:23,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:29:23,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:29:23,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:29:23,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:29:23,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:23" (1/1) ... [2019-11-24 05:29:23,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:23" (1/1) ... [2019-11-24 05:29:23,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:29:23,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:29:23,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:29:23,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:29:23,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:23" (1/1) ... [2019-11-24 05:29:23,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:23" (1/1) ... [2019-11-24 05:29:23,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:23" (1/1) ... [2019-11-24 05:29:23,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:23" (1/1) ... [2019-11-24 05:29:23,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:23" (1/1) ... [2019-11-24 05:29:23,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:23" (1/1) ... [2019-11-24 05:29:23,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:23" (1/1) ... [2019-11-24 05:29:23,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:29:23,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:29:23,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:29:23,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:29:23,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:23" (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 05:29:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:29:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:29:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:29:23,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:29:25,350 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:29:25,351 INFO L284 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-24 05:29:25,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:29:25 BoogieIcfgContainer [2019-11-24 05:29:25,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:29:25,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:29:25,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:29:25,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:29:25,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:29:22" (1/3) ... [2019-11-24 05:29:25,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2fd903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:29:25, skipping insertion in model container [2019-11-24 05:29:25,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:23" (2/3) ... [2019-11-24 05:29:25,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2fd903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:29:25, skipping insertion in model container [2019-11-24 05:29:25,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:29:25" (3/3) ... [2019-11-24 05:29:25,363 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2019-11-24 05:29:25,374 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:29:25,385 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-24 05:29:25,401 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-24 05:29:25,432 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:29:25,432 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:29:25,432 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:29:25,433 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:29:25,433 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:29:25,433 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:29:25,434 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:29:25,434 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:29:25,453 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-24 05:29:25,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 05:29:25,461 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:29:25,462 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:29:25,463 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:29:25,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:29:25,472 INFO L82 PathProgramCache]: Analyzing trace with hash -2069287244, now seen corresponding path program 1 times [2019-11-24 05:29:25,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:29:25,485 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758711951] [2019-11-24 05:29:25,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:29:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:29:25,801 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 05:29:25,802 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758711951] [2019-11-24 05:29:25,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:29:25,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 05:29:25,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023568385] [2019-11-24 05:29:25,809 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-24 05:29:25,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:29:25,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-24 05:29:25,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 05:29:25,828 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2019-11-24 05:29:25,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:29:25,851 INFO L93 Difference]: Finished difference Result 44 states and 63 transitions. [2019-11-24 05:29:25,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-24 05:29:25,852 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-24 05:29:25,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:29:25,863 INFO L225 Difference]: With dead ends: 44 [2019-11-24 05:29:25,863 INFO L226 Difference]: Without dead ends: 21 [2019-11-24 05:29:25,867 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 05:29:25,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-24 05:29:25,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-24 05:29:25,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-24 05:29:25,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-11-24 05:29:25,905 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 7 [2019-11-24 05:29:25,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:29:25,905 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-24 05:29:25,905 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-24 05:29:25,905 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-24 05:29:25,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 05:29:25,906 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:29:25,906 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:29:25,907 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:29:25,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:29:25,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1903216088, now seen corresponding path program 1 times [2019-11-24 05:29:25,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:29:25,908 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094578989] [2019-11-24 05:29:25,908 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:29:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:29:26,160 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 05:29:26,161 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094578989] [2019-11-24 05:29:26,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:29:26,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:29:26,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793217552] [2019-11-24 05:29:26,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 05:29:26,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:29:26,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 05:29:26,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 05:29:26,165 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 4 states. [2019-11-24 05:29:26,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:29:26,251 INFO L93 Difference]: Finished difference Result 57 states and 70 transitions. [2019-11-24 05:29:26,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-24 05:29:26,252 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-24 05:29:26,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:29:26,253 INFO L225 Difference]: With dead ends: 57 [2019-11-24 05:29:26,253 INFO L226 Difference]: Without dead ends: 31 [2019-11-24 05:29:26,254 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 05:29:26,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-24 05:29:26,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 24. [2019-11-24 05:29:26,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-24 05:29:26,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2019-11-24 05:29:26,261 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 7 [2019-11-24 05:29:26,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:29:26,262 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2019-11-24 05:29:26,262 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 05:29:26,262 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2019-11-24 05:29:26,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-24 05:29:26,263 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:29:26,263 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-11-24 05:29:26,263 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:29:26,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:29:26,264 INFO L82 PathProgramCache]: Analyzing trace with hash -51129813, now seen corresponding path program 1 times [2019-11-24 05:29:26,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:29:26,265 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261252937] [2019-11-24 05:29:26,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:29:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:29:26,411 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 05:29:26,411 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261252937] [2019-11-24 05:29:26,411 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859140412] [2019-11-24 05:29:26,413 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 05:29:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:29:26,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-24 05:29:26,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 05:29:26,635 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,640 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,649 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,650 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,757 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 05:29:26,765 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,771 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,788 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,790 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,806 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,810 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,813 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,817 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,823 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,826 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,844 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 05:29:26,844 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 05:29:26,854 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,861 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,864 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,865 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,867 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,873 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,874 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,876 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,894 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,895 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,898 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,902 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,903 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,905 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,907 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:29:26,909 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 05:29:26,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-24 05:29:26,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2019-11-24 05:29:26,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837322705] [2019-11-24 05:29:26,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 05:29:26,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:29:26,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 05:29:26,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-24 05:29:26,911 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 4 states. [2019-11-24 05:29:26,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:29:26,965 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2019-11-24 05:29:26,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 05:29:26,965 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-24 05:29:26,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:29:26,966 INFO L225 Difference]: With dead ends: 31 [2019-11-24 05:29:26,966 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 05:29:26,967 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-24 05:29:26,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 05:29:26,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 05:29:26,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 05:29:26,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 05:29:26,967 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-24 05:29:26,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:29:26,967 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 05:29:26,968 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 05:29:26,968 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 05:29:26,968 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 05:29:27,168 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 05:29:27,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 05:29:27,247 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-24 05:29:27,247 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-24 05:29:27,247 INFO L440 ceAbstractionStarter]: At program point L932(lines 881 933) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:27,248 INFO L440 ceAbstractionStarter]: At program point L883(lines 882 931) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:27,248 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 05:29:27,248 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-24 05:29:27,248 INFO L440 ceAbstractionStarter]: At program point L786-2(lines 786 800) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:27,248 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-24 05:29:27,249 INFO L444 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-24 05:29:27,249 INFO L444 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-24 05:29:27,249 INFO L440 ceAbstractionStarter]: At program point L425(lines 425 438) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:27,249 INFO L440 ceAbstractionStarter]: At program point L425-1(lines 1 939) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:27,249 INFO L440 ceAbstractionStarter]: At program point L425-2(lines 425 438) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:27,249 INFO L440 ceAbstractionStarter]: At program point L425-3(lines 1 939) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:27,250 INFO L440 ceAbstractionStarter]: At program point L425-4(lines 425 438) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:27,250 INFO L440 ceAbstractionStarter]: At program point L425-5(lines 1 939) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:27,250 INFO L440 ceAbstractionStarter]: At program point L790(lines 790 794) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:29:27,250 INFO L440 ceAbstractionStarter]: At program point L858(lines 858 865) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-24 05:29:27,250 INFO L447 ceAbstractionStarter]: At program point L858-1(lines 858 865) the Hoare annotation is: true [2019-11-24 05:29:27,250 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-24 05:29:27,251 INFO L444 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-11-24 05:29:27,251 INFO L444 ceAbstractionStarter]: For program point L429-2(lines 429 435) no Hoare annotation was computed. [2019-11-24 05:29:27,251 INFO L444 ceAbstractionStarter]: For program point L429-4(lines 429 435) no Hoare annotation was computed. [2019-11-24 05:29:27,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 05:29:27 BoogieIcfgContainer [2019-11-24 05:29:27,264 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 05:29:27,267 INFO L168 Benchmark]: Toolchain (without parser) took 4315.42 ms. Allocated memory was 138.4 MB in the beginning and 245.9 MB in the end (delta: 107.5 MB). Free memory was 101.8 MB in the beginning and 141.3 MB in the end (delta: -39.6 MB). Peak memory consumption was 67.9 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:27,268 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 138.4 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 05:29:27,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.31 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 101.8 MB in the beginning and 170.5 MB in the end (delta: -68.8 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:27,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.89 ms. Allocated memory is still 201.9 MB. Free memory was 169.6 MB in the beginning and 166.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:27,270 INFO L168 Benchmark]: Boogie Preprocessor took 40.63 ms. Allocated memory is still 201.9 MB. Free memory was 166.6 MB in the beginning and 164.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:27,271 INFO L168 Benchmark]: RCFGBuilder took 1566.23 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 164.6 MB in the beginning and 156.0 MB in the end (delta: 8.6 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:27,272 INFO L168 Benchmark]: TraceAbstraction took 1910.43 ms. Allocated memory was 235.4 MB in the beginning and 245.9 MB in the end (delta: 10.5 MB). Free memory was 156.0 MB in the beginning and 141.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-11-24 05:29:27,277 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 138.4 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 724.31 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 101.8 MB in the beginning and 170.5 MB in the end (delta: -68.8 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 67.89 ms. Allocated memory is still 201.9 MB. Free memory was 169.6 MB in the beginning and 166.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.63 ms. Allocated memory is still 201.9 MB. Free memory was 166.6 MB in the beginning and 164.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1566.23 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 164.6 MB in the beginning and 156.0 MB in the end (delta: 8.6 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1910.43 ms. Allocated memory was 235.4 MB in the beginning and 245.9 MB in the end (delta: 10.5 MB). Free memory was 156.0 MB in the beginning and 141.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 25.2 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: 881]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 == waterLevel && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: SAFE, OverallTime: 1.8s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 66 SDtfs, 37 SDslu, 42 SDs, 0 SdLazy, 38 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 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, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 41 NumberOfFragments, 39 HoareAnnotationTreeSize, 13 FomulaSimplifications, 154 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 1809 SizeOfPredicates, 31 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 13 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...