/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_spec2_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:19:51,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:19:51,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:19:51,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:19:51,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:19:51,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:19:51,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:19:51,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:19:51,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:19:51,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:19:51,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:19:51,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:19:51,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:19:51,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:19:51,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:19:51,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:19:51,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:19:51,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:19:51,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:19:51,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:19:51,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:19:51,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:19:51,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:19:51,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:19:51,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:19:51,959 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 05:19:51,975 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:19:51,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:19:51,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:19:51,977 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:19:51,977 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:19:51,977 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:19:51,977 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:19:51,977 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:19:51,978 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:19:51,978 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:19:51,978 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:19:51,978 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:19:51,978 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:19:51,979 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:19:51,979 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:19:51,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:19:51,980 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:19:51,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:19:51,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:19:51,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:19:51,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:19:51,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:19:51,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:19:51,981 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:19:51,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:19:51,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:19:51,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:19:51,982 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:19:51,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:19:51,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:19:51,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:19:51,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:19:51,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:19:51,983 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:19:51,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:19:51,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:19:51,984 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:19:51,984 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:19:52,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:19:52,265 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:19:52,270 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:19:52,271 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:19:52,272 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:19:52,273 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2019-11-24 05:19:52,350 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec1fc37a5/0e7baeb486dd4ee9a015c1c90fb25ad1/FLAGae2b409d1 [2019-11-24 05:19:52,903 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:19:52,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2019-11-24 05:19:52,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec1fc37a5/0e7baeb486dd4ee9a015c1c90fb25ad1/FLAGae2b409d1 [2019-11-24 05:19:53,184 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec1fc37a5/0e7baeb486dd4ee9a015c1c90fb25ad1 [2019-11-24 05:19:53,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:19:53,195 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:19:53,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:19:53,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:19:53,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:19:53,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:19:53" (1/1) ... [2019-11-24 05:19:53,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10cc0d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:53, skipping insertion in model container [2019-11-24 05:19:53,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:19:53" (1/1) ... [2019-11-24 05:19:53,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:19:53,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:19:53,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:19:53,687 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:19:53,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:19:53,803 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:19:53,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:53 WrapperNode [2019-11-24 05:19:53,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:19:53,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:19:53,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:19:53,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:19:53,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:53" (1/1) ... [2019-11-24 05:19:53,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:53" (1/1) ... [2019-11-24 05:19:53,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:19:53,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:19:53,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:19:53,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:19:53,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:53" (1/1) ... [2019-11-24 05:19:53,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:53" (1/1) ... [2019-11-24 05:19:53,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:53" (1/1) ... [2019-11-24 05:19:53,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:53" (1/1) ... [2019-11-24 05:19:53,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:53" (1/1) ... [2019-11-24 05:19:53,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:53" (1/1) ... [2019-11-24 05:19:53,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:53" (1/1) ... [2019-11-24 05:19:53,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:19:53,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:19:53,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:19:53,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:19:53,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:53" (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 05:19:53,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:19:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:19:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:19:53,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:19:55,084 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:19:55,085 INFO L284 CfgBuilder]: Removed 74 assume(true) statements. [2019-11-24 05:19:55,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:19:55 BoogieIcfgContainer [2019-11-24 05:19:55,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:19:55,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:19:55,089 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:19:55,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:19:55,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:19:53" (1/3) ... [2019-11-24 05:19:55,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14bf50a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:19:55, skipping insertion in model container [2019-11-24 05:19:55,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:53" (2/3) ... [2019-11-24 05:19:55,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14bf50a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:19:55, skipping insertion in model container [2019-11-24 05:19:55,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:19:55" (3/3) ... [2019-11-24 05:19:55,099 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product04.cil.c [2019-11-24 05:19:55,109 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:19:55,117 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-24 05:19:55,129 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-24 05:19:55,160 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:19:55,161 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:19:55,161 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:19:55,161 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:19:55,161 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:19:55,162 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:19:55,162 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:19:55,162 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:19:55,181 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-24 05:19:55,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 05:19:55,190 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:19:55,191 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:19:55,192 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:19:55,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:19:55,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1539331446, now seen corresponding path program 1 times [2019-11-24 05:19:55,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:19:55,209 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25688217] [2019-11-24 05:19:55,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:19:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:19:55,626 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 05:19:55,627 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25688217] [2019-11-24 05:19:55,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:19:55,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:19:55,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193042651] [2019-11-24 05:19:55,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 05:19:55,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:19:55,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 05:19:55,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:19:55,653 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2019-11-24 05:19:55,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:19:55,745 INFO L93 Difference]: Finished difference Result 68 states and 105 transitions. [2019-11-24 05:19:55,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 05:19:55,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-24 05:19:55,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:19:55,759 INFO L225 Difference]: With dead ends: 68 [2019-11-24 05:19:55,760 INFO L226 Difference]: Without dead ends: 40 [2019-11-24 05:19:55,763 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:19:55,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-24 05:19:55,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-24 05:19:55,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-24 05:19:55,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 54 transitions. [2019-11-24 05:19:55,805 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 54 transitions. Word has length 8 [2019-11-24 05:19:55,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:19:55,805 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 54 transitions. [2019-11-24 05:19:55,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 05:19:55,806 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2019-11-24 05:19:55,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-24 05:19:55,807 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:19:55,807 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2019-11-24 05:19:55,807 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:19:55,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:19:55,808 INFO L82 PathProgramCache]: Analyzing trace with hash -551078277, now seen corresponding path program 1 times [2019-11-24 05:19:55,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:19:55,808 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899812271] [2019-11-24 05:19:55,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:19:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:19:55,994 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 05:19:55,995 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899812271] [2019-11-24 05:19:55,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:19:55,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:19:55,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792848360] [2019-11-24 05:19:55,997 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 05:19:55,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:19:55,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 05:19:55,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 05:19:55,998 INFO L87 Difference]: Start difference. First operand 40 states and 54 transitions. Second operand 4 states. [2019-11-24 05:19:56,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:19:56,054 INFO L93 Difference]: Finished difference Result 60 states and 82 transitions. [2019-11-24 05:19:56,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 05:19:56,056 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-11-24 05:19:56,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:19:56,057 INFO L225 Difference]: With dead ends: 60 [2019-11-24 05:19:56,057 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 05:19:56,058 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 05:19:56,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 05:19:56,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 05:19:56,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 05:19:56,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 05:19:56,059 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-24 05:19:56,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:19:56,059 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 05:19:56,059 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 05:19:56,059 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 05:19:56,060 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 05:19:56,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 05:19:56,157 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 759) no Hoare annotation was computed. [2019-11-24 05:19:56,157 INFO L440 ceAbstractionStarter]: At program point L862(lines 862 879) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:19:56,157 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-24 05:19:56,157 INFO L440 ceAbstractionStarter]: At program point L862-1(lines 1 882) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:19:56,157 INFO L440 ceAbstractionStarter]: At program point L862-2(lines 862 879) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:19:56,158 INFO L440 ceAbstractionStarter]: At program point L862-3(lines 1 882) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:19:56,159 INFO L440 ceAbstractionStarter]: At program point L862-4(lines 862 879) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:19:56,159 INFO L440 ceAbstractionStarter]: At program point L862-5(lines 1 882) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:19:56,159 INFO L440 ceAbstractionStarter]: At program point L533(lines 533 540) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:19:56,159 INFO L447 ceAbstractionStarter]: At program point L533-1(lines 533 540) the Hoare annotation is: true [2019-11-24 05:19:56,159 INFO L444 ceAbstractionStarter]: For program point L866(lines 866 876) no Hoare annotation was computed. [2019-11-24 05:19:56,159 INFO L444 ceAbstractionStarter]: For program point L866-2(lines 866 876) no Hoare annotation was computed. [2019-11-24 05:19:56,159 INFO L444 ceAbstractionStarter]: For program point L866-4(lines 866 876) no Hoare annotation was computed. [2019-11-24 05:19:56,160 INFO L444 ceAbstractionStarter]: For program point L867(lines 867 873) no Hoare annotation was computed. [2019-11-24 05:19:56,161 INFO L444 ceAbstractionStarter]: For program point L867-2(lines 867 873) no Hoare annotation was computed. [2019-11-24 05:19:56,161 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 05:19:56,161 INFO L444 ceAbstractionStarter]: For program point L867-4(lines 867 873) no Hoare annotation was computed. [2019-11-24 05:19:56,161 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 759) no Hoare annotation was computed. [2019-11-24 05:19:56,161 INFO L440 ceAbstractionStarter]: At program point L456-2(lines 456 470) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:19:56,162 INFO L440 ceAbstractionStarter]: At program point L460(lines 460 464) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:19:56,162 INFO L440 ceAbstractionStarter]: At program point L609(lines 558 610) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:19:56,162 INFO L440 ceAbstractionStarter]: At program point L560(lines 559 608) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:19:56,162 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 759) no Hoare annotation was computed. [2019-11-24 05:19:56,162 INFO L444 ceAbstractionStarter]: For program point L759(line 759) no Hoare annotation was computed. [2019-11-24 05:19:56,162 INFO L444 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2019-11-24 05:19:56,163 INFO L444 ceAbstractionStarter]: For program point L759-2(line 759) no Hoare annotation was computed. [2019-11-24 05:19:56,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 05:19:56 BoogieIcfgContainer [2019-11-24 05:19:56,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 05:19:56,181 INFO L168 Benchmark]: Toolchain (without parser) took 2985.44 ms. Allocated memory was 138.9 MB in the beginning and 235.9 MB in the end (delta: 97.0 MB). Free memory was 101.6 MB in the beginning and 137.2 MB in the end (delta: -35.6 MB). Peak memory consumption was 61.4 MB. Max. memory is 7.1 GB. [2019-11-24 05:19:56,182 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 05:19:56,183 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.37 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 101.4 MB in the beginning and 169.4 MB in the end (delta: -68.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2019-11-24 05:19:56,184 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.57 ms. Allocated memory is still 201.9 MB. Free memory was 169.4 MB in the beginning and 166.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-11-24 05:19:56,185 INFO L168 Benchmark]: Boogie Preprocessor took 49.52 ms. Allocated memory is still 201.9 MB. Free memory was 166.1 MB in the beginning and 164.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-11-24 05:19:56,186 INFO L168 Benchmark]: RCFGBuilder took 1169.91 ms. Allocated memory was 201.9 MB in the beginning and 235.9 MB in the end (delta: 34.1 MB). Free memory was 164.2 MB in the beginning and 196.4 MB in the end (delta: -32.2 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. [2019-11-24 05:19:56,187 INFO L168 Benchmark]: TraceAbstraction took 1089.69 ms. Allocated memory is still 235.9 MB. Free memory was 196.4 MB in the beginning and 137.2 MB in the end (delta: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 7.1 GB. [2019-11-24 05:19:56,194 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 607.37 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 101.4 MB in the beginning and 169.4 MB in the end (delta: -68.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 62.57 ms. Allocated memory is still 201.9 MB. Free memory was 169.4 MB in the beginning and 166.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.52 ms. Allocated memory is still 201.9 MB. Free memory was 166.1 MB in the beginning and 164.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1169.91 ms. Allocated memory was 201.9 MB in the beginning and 235.9 MB in the end (delta: 34.1 MB). Free memory was 164.2 MB in the beginning and 196.4 MB in the end (delta: -32.2 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1089.69 ms. Allocated memory is still 235.9 MB. Free memory was 196.4 MB in the beginning and 137.2 MB in the end (delta: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 759]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 759]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 759]: 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: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 3 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 46 SDtfs, 36 SDslu, 29 SDs, 0 SdLazy, 27 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 32 NumberOfFragments, 79 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 383 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 5/5 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...