/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_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:19:45,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:19:45,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:19:45,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:19:45,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:19:45,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:19:45,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:19:45,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:19:45,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:19:45,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:19:45,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:19:45,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:19:45,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:19:45,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:19:45,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:19:45,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:19:45,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:19:45,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:19:45,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:19:45,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:19:45,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:19:45,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:19:45,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:19:45,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:19:45,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:19:45,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 05:19:45,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 05:19:45,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 05:19:45,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 05:19:45,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 05:19:45,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 05:19:45,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 05:19:45,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 05:19:45,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:19:45,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:19:45,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:19:45,242 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 05:19:45,263 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:19:45,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:19:45,264 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:19:45,264 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:19:45,265 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:19:45,265 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:19:45,265 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:19:45,265 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:19:45,265 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:19:45,266 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:19:45,267 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:19:45,267 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:19:45,267 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:19:45,268 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:19:45,268 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:19:45,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:19:45,269 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:19:45,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:19:45,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:19:45,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:19:45,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:19:45,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:19:45,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:19:45,270 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:19:45,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:19:45,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:19:45,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:19:45,271 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:19:45,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:19:45,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:19:45,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:19:45,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:19:45,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:19:45,274 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:19:45,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:19:45,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:19:45,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:19:45,275 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:19:45,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:19:45,590 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:19:45,594 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:19:45,595 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:19:45,596 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:19:45,596 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2019-11-24 05:19:45,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9577b2241/41abd3c7a98b4166838c858615f6c6dd/FLAG4bf0638e7 [2019-11-24 05:19:46,221 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:19:46,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2019-11-24 05:19:46,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9577b2241/41abd3c7a98b4166838c858615f6c6dd/FLAG4bf0638e7 [2019-11-24 05:19:46,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9577b2241/41abd3c7a98b4166838c858615f6c6dd [2019-11-24 05:19:46,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:19:46,505 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:19:46,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:19:46,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:19:46,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:19:46,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:19:46" (1/1) ... [2019-11-24 05:19:46,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d4e377c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:46, skipping insertion in model container [2019-11-24 05:19:46,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:19:46" (1/1) ... [2019-11-24 05:19:46,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:19:46,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:19:47,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:19:47,035 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:19:47,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:19:47,184 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:19:47,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:47 WrapperNode [2019-11-24 05:19:47,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:19:47,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:19:47,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:19:47,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:19:47,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:47" (1/1) ... [2019-11-24 05:19:47,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:47" (1/1) ... [2019-11-24 05:19:47,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:19:47,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:19:47,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:19:47,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:19:47,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:47" (1/1) ... [2019-11-24 05:19:47,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:47" (1/1) ... [2019-11-24 05:19:47,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:47" (1/1) ... [2019-11-24 05:19:47,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:47" (1/1) ... [2019-11-24 05:19:47,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:47" (1/1) ... [2019-11-24 05:19:47,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:47" (1/1) ... [2019-11-24 05:19:47,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:47" (1/1) ... [2019-11-24 05:19:47,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:19:47,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:19:47,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:19:47,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:19:47,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:47" (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 05:19:47,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:19:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:19:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:19:47,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:19:48,552 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:19:48,554 INFO L284 CfgBuilder]: Removed 68 assume(true) statements. [2019-11-24 05:19:48,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:19:48 BoogieIcfgContainer [2019-11-24 05:19:48,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:19:48,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:19:48,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:19:48,566 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:19:48,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:19:46" (1/3) ... [2019-11-24 05:19:48,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5c87e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:19:48, skipping insertion in model container [2019-11-24 05:19:48,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:19:47" (2/3) ... [2019-11-24 05:19:48,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5c87e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:19:48, skipping insertion in model container [2019-11-24 05:19:48,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:19:48" (3/3) ... [2019-11-24 05:19:48,573 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product01.cil.c [2019-11-24 05:19:48,584 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:19:48,593 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-24 05:19:48,605 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-24 05:19:48,638 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:19:48,639 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:19:48,639 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:19:48,639 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:19:48,639 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:19:48,640 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:19:48,640 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:19:48,640 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:19:48,659 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-24 05:19:48,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 05:19:48,670 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:19:48,671 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:19:48,672 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:19:48,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:19:48,679 INFO L82 PathProgramCache]: Analyzing trace with hash -2057402021, now seen corresponding path program 1 times [2019-11-24 05:19:48,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:19:48,691 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10490021] [2019-11-24 05:19:48,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:19:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:19:49,041 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 05:19:49,042 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10490021] [2019-11-24 05:19:49,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:19:49,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:19:49,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631014839] [2019-11-24 05:19:49,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 05:19:49,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:19:49,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 05:19:49,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:19:49,072 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2019-11-24 05:19:49,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:19:49,163 INFO L93 Difference]: Finished difference Result 68 states and 105 transitions. [2019-11-24 05:19:49,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 05:19:49,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-24 05:19:49,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:19:49,177 INFO L225 Difference]: With dead ends: 68 [2019-11-24 05:19:49,178 INFO L226 Difference]: Without dead ends: 40 [2019-11-24 05:19:49,181 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 05:19:49,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-24 05:19:49,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-24 05:19:49,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-24 05:19:49,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 54 transitions. [2019-11-24 05:19:49,225 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 54 transitions. Word has length 8 [2019-11-24 05:19:49,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:19:49,226 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 54 transitions. [2019-11-24 05:19:49,226 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 05:19:49,226 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2019-11-24 05:19:49,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-24 05:19:49,227 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:19:49,230 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2019-11-24 05:19:49,230 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:19:49,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:19:49,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1230376686, now seen corresponding path program 1 times [2019-11-24 05:19:49,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:19:49,231 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896682923] [2019-11-24 05:19:49,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:19:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:19:49,475 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 05:19:49,475 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896682923] [2019-11-24 05:19:49,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:19:49,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:19:49,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586780007] [2019-11-24 05:19:49,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 05:19:49,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:19:49,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 05:19:49,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 05:19:49,479 INFO L87 Difference]: Start difference. First operand 40 states and 54 transitions. Second operand 4 states. [2019-11-24 05:19:49,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:19:49,527 INFO L93 Difference]: Finished difference Result 60 states and 82 transitions. [2019-11-24 05:19:49,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 05:19:49,527 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-11-24 05:19:49,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:19:49,528 INFO L225 Difference]: With dead ends: 60 [2019-11-24 05:19:49,528 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 05:19:49,529 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 05:19:49,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 05:19:49,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 05:19:49,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 05:19:49,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 05:19:49,530 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-24 05:19:49,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:19:49,531 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 05:19:49,531 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 05:19:49,531 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 05:19:49,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 05:19:49,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 05:19:49,663 INFO L444 ceAbstractionStarter]: For program point L382(lines 382 392) no Hoare annotation was computed. [2019-11-24 05:19:49,664 INFO L444 ceAbstractionStarter]: For program point L382-2(lines 382 392) no Hoare annotation was computed. [2019-11-24 05:19:49,664 INFO L444 ceAbstractionStarter]: For program point L382-4(lines 382 392) no Hoare annotation was computed. [2019-11-24 05:19:49,664 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 851) no Hoare annotation was computed. [2019-11-24 05:19:49,664 INFO L444 ceAbstractionStarter]: For program point L383(lines 383 389) no Hoare annotation was computed. [2019-11-24 05:19:49,666 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-24 05:19:49,667 INFO L444 ceAbstractionStarter]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2019-11-24 05:19:49,667 INFO L444 ceAbstractionStarter]: For program point L383-4(lines 383 389) no Hoare annotation was computed. [2019-11-24 05:19:49,667 INFO L440 ceAbstractionStarter]: At program point L170(lines 169 214) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:19:49,668 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 05:19:49,668 INFO L444 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2019-11-24 05:19:49,668 INFO L444 ceAbstractionStarter]: For program point L851-1(line 851) no Hoare annotation was computed. [2019-11-24 05:19:49,668 INFO L444 ceAbstractionStarter]: For program point L851-2(line 851) no Hoare annotation was computed. [2019-11-24 05:19:49,669 INFO L440 ceAbstractionStarter]: At program point L273-2(lines 273 287) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:19:49,669 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 851) no Hoare annotation was computed. [2019-11-24 05:19:49,670 INFO L440 ceAbstractionStarter]: At program point L277(lines 277 281) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:19:49,670 INFO L440 ceAbstractionStarter]: At program point L378(lines 378 395) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:19:49,671 INFO L440 ceAbstractionStarter]: At program point L378-1(lines 1 854) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:19:49,671 INFO L440 ceAbstractionStarter]: At program point L378-2(lines 378 395) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:19:49,672 INFO L440 ceAbstractionStarter]: At program point L378-3(lines 1 854) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:19:49,674 INFO L440 ceAbstractionStarter]: At program point L378-4(lines 378 395) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:19:49,674 INFO L440 ceAbstractionStarter]: At program point L378-5(lines 1 854) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:19:49,674 INFO L440 ceAbstractionStarter]: At program point L346(lines 346 353) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:19:49,674 INFO L447 ceAbstractionStarter]: At program point L346-1(lines 346 353) the Hoare annotation is: true [2019-11-24 05:19:49,675 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 851) no Hoare annotation was computed. [2019-11-24 05:19:49,675 INFO L440 ceAbstractionStarter]: At program point L215(lines 168 216) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:19:49,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 05:19:49 BoogieIcfgContainer [2019-11-24 05:19:49,702 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 05:19:49,706 INFO L168 Benchmark]: Toolchain (without parser) took 3199.76 ms. Allocated memory was 147.8 MB in the beginning and 233.3 MB in the end (delta: 85.5 MB). Free memory was 104.9 MB in the beginning and 133.1 MB in the end (delta: -28.3 MB). Peak memory consumption was 57.2 MB. Max. memory is 7.1 GB. [2019-11-24 05:19:49,708 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 147.8 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-24 05:19:49,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.50 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 104.4 MB in the beginning and 174.3 MB in the end (delta: -69.9 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-11-24 05:19:49,712 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.72 ms. Allocated memory is still 205.0 MB. Free memory was 174.3 MB in the beginning and 171.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-11-24 05:19:49,714 INFO L168 Benchmark]: Boogie Preprocessor took 41.32 ms. Allocated memory is still 205.0 MB. Free memory was 171.7 MB in the beginning and 169.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-11-24 05:19:49,715 INFO L168 Benchmark]: RCFGBuilder took 1252.86 ms. Allocated memory was 205.0 MB in the beginning and 233.3 MB in the end (delta: 28.3 MB). Free memory was 169.8 MB in the beginning and 194.8 MB in the end (delta: -25.1 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. [2019-11-24 05:19:49,717 INFO L168 Benchmark]: TraceAbstraction took 1142.45 ms. Allocated memory is still 233.3 MB. Free memory was 194.8 MB in the beginning and 133.1 MB in the end (delta: 61.7 MB). Peak memory consumption was 61.7 MB. Max. memory is 7.1 GB. [2019-11-24 05:19:49,733 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 147.8 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 679.50 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 104.4 MB in the beginning and 174.3 MB in the end (delta: -69.9 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 75.72 ms. Allocated memory is still 205.0 MB. Free memory was 174.3 MB in the beginning and 171.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.32 ms. Allocated memory is still 205.0 MB. Free memory was 171.7 MB in the beginning and 169.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1252.86 ms. Allocated memory was 205.0 MB in the beginning and 233.3 MB in the end (delta: 28.3 MB). Free memory was 169.8 MB in the beginning and 194.8 MB in the end (delta: -25.1 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1142.45 ms. Allocated memory is still 233.3 MB. Free memory was 194.8 MB in the beginning and 133.1 MB in the end (delta: 61.7 MB). Peak memory consumption was 61.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 851]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 851]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 851]: 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: 273]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 378]: 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: 0.1s, HoareTripleCheckerStatistics: 46 SDtfs, 36 SDslu, 29 SDs, 0 SdLazy, 27 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 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, 98 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, 431 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...