/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_spec1_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:17:51,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:17:51,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:17:51,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:17:51,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:17:51,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:17:51,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:17:51,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:17:51,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:17:51,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:17:51,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:17:51,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:17:51,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:17:51,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:17:51,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:17:51,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:17:51,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:17:51,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:17:51,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:17:51,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:17:51,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:17:51,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:17:51,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:17:51,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:17:51,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:17:51,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:17:51,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:17:51,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:17:51,926 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 05:17:51,954 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:17:51,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:17:51,955 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:17:51,956 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:17:51,956 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:17:51,956 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:17:51,957 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:17:51,957 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:17:51,957 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:17:51,957 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:17:51,957 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:17:51,959 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:17:51,959 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:17:51,959 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:17:51,960 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:17:51,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:17:51,961 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:17:51,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:17:51,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:17:51,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:17:51,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:17:51,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:17:51,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:17:51,962 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:17:51,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:17:51,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:17:51,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:17:51,963 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:17:51,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:17:51,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:17:51,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:17:51,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:17:51,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:17:51,968 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:17:51,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:17:51,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:17:51,969 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:17:51,969 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:17:52,283 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:17:52,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:17:52,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:17:52,302 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:17:52,302 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:17:52,303 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-11-24 05:17:52,375 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0096d53d5/0bfd1fc84ed446138a22bc1bd4920495/FLAG0e41d9b94 [2019-11-24 05:17:52,964 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:17:52,965 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-11-24 05:17:52,977 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0096d53d5/0bfd1fc84ed446138a22bc1bd4920495/FLAG0e41d9b94 [2019-11-24 05:17:53,198 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0096d53d5/0bfd1fc84ed446138a22bc1bd4920495 [2019-11-24 05:17:53,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:17:53,208 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:17:53,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:17:53,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:17:53,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:17:53,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:17:53" (1/1) ... [2019-11-24 05:17:53,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79659012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:53, skipping insertion in model container [2019-11-24 05:17:53,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:17:53" (1/1) ... [2019-11-24 05:17:53,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:17:53,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:17:53,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:17:53,746 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:17:53,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:17:53,865 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:17:53,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:53 WrapperNode [2019-11-24 05:17:53,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:17:53,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:17:53,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:17:53,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:17:53,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:53" (1/1) ... [2019-11-24 05:17:53,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:53" (1/1) ... [2019-11-24 05:17:53,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:17:53,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:17:53,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:17:53,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:17:53,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:53" (1/1) ... [2019-11-24 05:17:53,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:53" (1/1) ... [2019-11-24 05:17:53,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:53" (1/1) ... [2019-11-24 05:17:53,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:53" (1/1) ... [2019-11-24 05:17:53,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:53" (1/1) ... [2019-11-24 05:17:53,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:53" (1/1) ... [2019-11-24 05:17:53,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:53" (1/1) ... [2019-11-24 05:17:53,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:17:53,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:17:53,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:17:53,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:17:53,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:17:54,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:17:54,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:17:54,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:17:54,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:17:55,465 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:17:55,465 INFO L284 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-24 05:17:55,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:17:55 BoogieIcfgContainer [2019-11-24 05:17:55,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:17:55,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:17:55,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:17:55,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:17:55,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:17:53" (1/3) ... [2019-11-24 05:17:55,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14764fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:17:55, skipping insertion in model container [2019-11-24 05:17:55,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:53" (2/3) ... [2019-11-24 05:17:55,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14764fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:17:55, skipping insertion in model container [2019-11-24 05:17:55,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:17:55" (3/3) ... [2019-11-24 05:17:55,475 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2019-11-24 05:17:55,485 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:17:55,493 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-24 05:17:55,505 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-24 05:17:55,530 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:17:55,530 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:17:55,530 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:17:55,531 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:17:55,531 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:17:55,531 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:17:55,531 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:17:55,531 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:17:55,547 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-24 05:17:55,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 05:17:55,553 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:17:55,554 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:17:55,555 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:17:55,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:17:55,561 INFO L82 PathProgramCache]: Analyzing trace with hash -2128631877, now seen corresponding path program 1 times [2019-11-24 05:17:55,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:17:55,569 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379321748] [2019-11-24 05:17:55,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:17:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:17:55,810 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 05:17:55,811 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379321748] [2019-11-24 05:17:55,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:17:55,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 05:17:55,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110180581] [2019-11-24 05:17:55,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-24 05:17:55,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:17:55,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-24 05:17:55,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 05:17:55,835 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2019-11-24 05:17:55,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:17:55,856 INFO L93 Difference]: Finished difference Result 44 states and 63 transitions. [2019-11-24 05:17:55,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-24 05:17:55,857 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-24 05:17:55,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:17:55,867 INFO L225 Difference]: With dead ends: 44 [2019-11-24 05:17:55,868 INFO L226 Difference]: Without dead ends: 21 [2019-11-24 05:17:55,871 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 05:17:55,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-24 05:17:55,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-24 05:17:55,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-24 05:17:55,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-11-24 05:17:55,910 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 7 [2019-11-24 05:17:55,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:17:55,911 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-24 05:17:55,911 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-24 05:17:55,911 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-24 05:17:55,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 05:17:55,912 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:17:55,912 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:17:55,912 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:17:55,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:17:55,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1845957786, now seen corresponding path program 1 times [2019-11-24 05:17:55,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:17:55,913 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385161298] [2019-11-24 05:17:55,913 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:17:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:17:56,193 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 05:17:56,194 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385161298] [2019-11-24 05:17:56,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:17:56,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:17:56,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012108887] [2019-11-24 05:17:56,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 05:17:56,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:17:56,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 05:17:56,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 05:17:56,197 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 4 states. [2019-11-24 05:17:56,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:17:56,259 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2019-11-24 05:17:56,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 05:17:56,260 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-24 05:17:56,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:17:56,260 INFO L225 Difference]: With dead ends: 28 [2019-11-24 05:17:56,261 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 05:17:56,262 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 05:17:56,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 05:17:56,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 05:17:56,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 05:17:56,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 05:17:56,263 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-11-24 05:17:56,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:17:56,263 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 05:17:56,263 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 05:17:56,264 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 05:17:56,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 05:17:56,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 05:17:56,317 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-24 05:17:56,317 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-24 05:17:56,317 INFO L440 ceAbstractionStarter]: At program point L139(lines 139 146) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:17:56,317 INFO L447 ceAbstractionStarter]: At program point L139-1(lines 139 146) the Hoare annotation is: true [2019-11-24 05:17:56,318 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 05:17:56,318 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-24 05:17:56,318 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-24 05:17:56,318 INFO L444 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-24 05:17:56,318 INFO L444 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-24 05:17:56,318 INFO L440 ceAbstractionStarter]: At program point L61-2(lines 61 75) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:17:56,319 INFO L440 ceAbstractionStarter]: At program point L906(lines 906 919) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:17:56,319 INFO L440 ceAbstractionStarter]: At program point L906-1(lines 1 922) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:17:56,319 INFO L440 ceAbstractionStarter]: At program point L906-2(lines 906 919) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:17:56,319 INFO L440 ceAbstractionStarter]: At program point L906-3(lines 1 922) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:17:56,319 INFO L440 ceAbstractionStarter]: At program point L906-4(lines 906 919) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:17:56,319 INFO L440 ceAbstractionStarter]: At program point L906-5(lines 1 922) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:17:56,320 INFO L440 ceAbstractionStarter]: At program point L65(lines 65 69) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:17:56,320 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-24 05:17:56,320 INFO L440 ceAbstractionStarter]: At program point L215(lines 164 216) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:17:56,320 INFO L440 ceAbstractionStarter]: At program point L166(lines 165 214) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:17:56,320 INFO L444 ceAbstractionStarter]: For program point L910(lines 910 916) no Hoare annotation was computed. [2019-11-24 05:17:56,321 INFO L444 ceAbstractionStarter]: For program point L910-2(lines 910 916) no Hoare annotation was computed. [2019-11-24 05:17:56,321 INFO L444 ceAbstractionStarter]: For program point L910-4(lines 910 916) no Hoare annotation was computed. [2019-11-24 05:17:56,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 05:17:56 BoogieIcfgContainer [2019-11-24 05:17:56,335 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 05:17:56,338 INFO L168 Benchmark]: Toolchain (without parser) took 3128.43 ms. Allocated memory was 136.8 MB in the beginning and 232.8 MB in the end (delta: 95.9 MB). Free memory was 99.1 MB in the beginning and 99.2 MB in the end (delta: -82.4 kB). Peak memory consumption was 95.9 MB. Max. memory is 7.1 GB. [2019-11-24 05:17:56,339 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 05:17:56,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.07 ms. Allocated memory was 136.8 MB in the beginning and 202.4 MB in the end (delta: 65.5 MB). Free memory was 98.9 MB in the beginning and 171.3 MB in the end (delta: -72.4 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-11-24 05:17:56,341 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.63 ms. Allocated memory is still 202.4 MB. Free memory was 171.3 MB in the beginning and 167.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-11-24 05:17:56,342 INFO L168 Benchmark]: Boogie Preprocessor took 38.24 ms. Allocated memory is still 202.4 MB. Free memory was 167.4 MB in the beginning and 165.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-11-24 05:17:56,343 INFO L168 Benchmark]: RCFGBuilder took 1499.72 ms. Allocated memory was 202.4 MB in the beginning and 232.8 MB in the end (delta: 30.4 MB). Free memory was 165.4 MB in the beginning and 153.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2019-11-24 05:17:56,344 INFO L168 Benchmark]: TraceAbstraction took 866.76 ms. Allocated memory is still 232.8 MB. Free memory was 153.6 MB in the beginning and 99.2 MB in the end (delta: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 7.1 GB. [2019-11-24 05:17:56,349 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 was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 657.07 ms. Allocated memory was 136.8 MB in the beginning and 202.4 MB in the end (delta: 65.5 MB). Free memory was 98.9 MB in the beginning and 171.3 MB in the end (delta: -72.4 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 62.63 ms. Allocated memory is still 202.4 MB. Free memory was 171.3 MB in the beginning and 167.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.24 ms. Allocated memory is still 202.4 MB. Free memory was 167.4 MB in the beginning and 165.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1499.72 ms. Allocated memory was 202.4 MB in the beginning and 232.8 MB in the end (delta: 30.4 MB). Free memory was 165.4 MB in the beginning and 153.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 866.76 ms. Allocated memory is still 232.8 MB. Free memory was 153.6 MB in the beginning and 99.2 MB in the end (delta: 54.3 MB). Peak memory consumption was 54.3 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: 61]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: SAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 43 SDtfs, 21 SDslu, 10 SDs, 0 SdLazy, 18 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 31 NumberOfFragments, 35 HoareAnnotationTreeSize, 13 FomulaSimplifications, 77 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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...