/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_spec5_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:32:55,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:32:55,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:32:55,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:32:55,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:32:55,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:32:55,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:32:55,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:32:55,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:32:55,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:32:55,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:32:55,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:32:55,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:32:55,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:32:55,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:32:55,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:32:55,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:32:55,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:32:55,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:32:55,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:32:55,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:32:55,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:32:55,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:32:55,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:32:55,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:32:55,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:32:55,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:32:55,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:32:55,361 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 05:32:55,380 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:32:55,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:32:55,381 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:32:55,382 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:32:55,382 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:32:55,382 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:32:55,382 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:32:55,382 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:32:55,383 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:32:55,383 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:32:55,383 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:32:55,383 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:32:55,383 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:32:55,384 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:32:55,384 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:32:55,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:32:55,385 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:32:55,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:32:55,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:32:55,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:32:55,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:32:55,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:32:55,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:32:55,386 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:32:55,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:32:55,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:32:55,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:32:55,387 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:32:55,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:32:55,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:32:55,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:32:55,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:32:55,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:32:55,388 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:32:55,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:32:55,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:32:55,389 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:32:55,389 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:32:55,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:32:55,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:32:55,710 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:32:55,712 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:32:55,712 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:32:55,713 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product25.cil.c [2019-11-24 05:32:55,778 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0a2fb85d/ae1fe959f5c64530bb1e318ec3f4bfa6/FLAG05953e969 [2019-11-24 05:32:56,318 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:32:56,319 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product25.cil.c [2019-11-24 05:32:56,332 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0a2fb85d/ae1fe959f5c64530bb1e318ec3f4bfa6/FLAG05953e969 [2019-11-24 05:32:56,638 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0a2fb85d/ae1fe959f5c64530bb1e318ec3f4bfa6 [2019-11-24 05:32:56,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:32:56,649 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:32:56,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:32:56,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:32:56,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:32:56,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:32:56" (1/1) ... [2019-11-24 05:32:56,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48caa14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:32:56, skipping insertion in model container [2019-11-24 05:32:56,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:32:56" (1/1) ... [2019-11-24 05:32:56,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:32:56,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:32:57,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:32:57,164 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:32:57,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:32:57,297 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:32:57,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:32:57 WrapperNode [2019-11-24 05:32:57,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:32:57,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:32:57,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:32:57,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:32:57,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:32:57" (1/1) ... [2019-11-24 05:32:57,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:32:57" (1/1) ... [2019-11-24 05:32:57,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:32:57,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:32:57,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:32:57,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:32:57,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:32:57" (1/1) ... [2019-11-24 05:32:57,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:32:57" (1/1) ... [2019-11-24 05:32:57,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:32:57" (1/1) ... [2019-11-24 05:32:57,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:32:57" (1/1) ... [2019-11-24 05:32:57,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:32:57" (1/1) ... [2019-11-24 05:32:57,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:32:57" (1/1) ... [2019-11-24 05:32:57,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:32:57" (1/1) ... [2019-11-24 05:32:57,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:32:57,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:32:57,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:32:57,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:32:57,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:32:57" (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 05:32:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:32:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:32:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:32:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:32:59,024 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:32:59,024 INFO L284 CfgBuilder]: Removed 110 assume(true) statements. [2019-11-24 05:32:59,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:32:59 BoogieIcfgContainer [2019-11-24 05:32:59,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:32:59,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:32:59,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:32:59,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:32:59,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:32:56" (1/3) ... [2019-11-24 05:32:59,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41255e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:32:59, skipping insertion in model container [2019-11-24 05:32:59,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:32:57" (2/3) ... [2019-11-24 05:32:59,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41255e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:32:59, skipping insertion in model container [2019-11-24 05:32:59,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:32:59" (3/3) ... [2019-11-24 05:32:59,038 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product25.cil.c [2019-11-24 05:32:59,048 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:32:59,055 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-24 05:32:59,067 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-24 05:32:59,098 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:32:59,098 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:32:59,098 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:32:59,098 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:32:59,099 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:32:59,099 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:32:59,099 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:32:59,099 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:32:59,116 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-24 05:32:59,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 05:32:59,124 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:32:59,125 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:32:59,126 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:32:59,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:32:59,133 INFO L82 PathProgramCache]: Analyzing trace with hash 2080452197, now seen corresponding path program 1 times [2019-11-24 05:32:59,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:32:59,144 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845137443] [2019-11-24 05:32:59,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:32:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:32:59,364 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 05:32:59,365 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845137443] [2019-11-24 05:32:59,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:32:59,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 05:32:59,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247785942] [2019-11-24 05:32:59,372 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-24 05:32:59,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:32:59,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-24 05:32:59,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 05:32:59,389 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 2 states. [2019-11-24 05:32:59,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:32:59,411 INFO L93 Difference]: Finished difference Result 50 states and 75 transitions. [2019-11-24 05:32:59,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-24 05:32:59,413 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-24 05:32:59,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:32:59,425 INFO L225 Difference]: With dead ends: 50 [2019-11-24 05:32:59,425 INFO L226 Difference]: Without dead ends: 24 [2019-11-24 05:32:59,428 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 05:32:59,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-24 05:32:59,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-24 05:32:59,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-24 05:32:59,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2019-11-24 05:32:59,467 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 8 [2019-11-24 05:32:59,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:32:59,468 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 31 transitions. [2019-11-24 05:32:59,468 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-24 05:32:59,468 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2019-11-24 05:32:59,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 05:32:59,469 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:32:59,469 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:32:59,470 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:32:59,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:32:59,470 INFO L82 PathProgramCache]: Analyzing trace with hash 645544490, now seen corresponding path program 1 times [2019-11-24 05:32:59,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:32:59,471 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735583885] [2019-11-24 05:32:59,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:32:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:32:59,676 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 05:32:59,676 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735583885] [2019-11-24 05:32:59,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:32:59,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-24 05:32:59,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860073505] [2019-11-24 05:32:59,679 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-24 05:32:59,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:32:59,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-24 05:32:59,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-24 05:32:59,680 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. Second operand 5 states. [2019-11-24 05:32:59,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:32:59,798 INFO L93 Difference]: Finished difference Result 44 states and 59 transitions. [2019-11-24 05:32:59,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 05:32:59,799 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2019-11-24 05:32:59,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:32:59,799 INFO L225 Difference]: With dead ends: 44 [2019-11-24 05:32:59,799 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 05:32:59,801 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-24 05:32:59,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 05:32:59,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 05:32:59,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 05:32:59,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 05:32:59,802 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-11-24 05:32:59,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:32:59,802 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 05:32:59,802 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-24 05:32:59,803 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 05:32:59,803 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 05:32:59,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 05:32:59,927 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-11-24 05:32:59,928 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-24 05:32:59,928 INFO L440 ceAbstractionStarter]: At program point L350-2(lines 350 364) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-24 05:32:59,928 INFO L440 ceAbstractionStarter]: At program point L285(lines 284 329) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-24 05:32:59,929 INFO L440 ceAbstractionStarter]: At program point L354(lines 354 358) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-24 05:32:59,929 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 05:32:59,929 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-11-24 05:32:59,929 INFO L440 ceAbstractionStarter]: At program point L423(lines 423 430) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-24 05:32:59,929 INFO L447 ceAbstractionStarter]: At program point L423-1(lines 423 430) the Hoare annotation is: true [2019-11-24 05:32:59,930 INFO L440 ceAbstractionStarter]: At program point L920(lines 920 937) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-24 05:32:59,930 INFO L440 ceAbstractionStarter]: At program point L920-1(lines 1 940) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-24 05:32:59,930 INFO L440 ceAbstractionStarter]: At program point L920-2(lines 920 937) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-24 05:32:59,930 INFO L440 ceAbstractionStarter]: At program point L920-3(lines 1 940) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-24 05:32:59,931 INFO L440 ceAbstractionStarter]: At program point L920-4(lines 920 937) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-24 05:32:59,931 INFO L440 ceAbstractionStarter]: At program point L920-5(lines 1 940) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-24 05:32:59,931 INFO L444 ceAbstractionStarter]: For program point L924(lines 924 934) no Hoare annotation was computed. [2019-11-24 05:32:59,931 INFO L444 ceAbstractionStarter]: For program point L924-2(lines 924 934) no Hoare annotation was computed. [2019-11-24 05:32:59,931 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-11-24 05:32:59,932 INFO L444 ceAbstractionStarter]: For program point L924-4(lines 924 934) no Hoare annotation was computed. [2019-11-24 05:32:59,932 INFO L444 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-24 05:32:59,932 INFO L444 ceAbstractionStarter]: For program point L82-1(line 82) no Hoare annotation was computed. [2019-11-24 05:32:59,932 INFO L444 ceAbstractionStarter]: For program point L82-2(line 82) no Hoare annotation was computed. [2019-11-24 05:32:59,932 INFO L440 ceAbstractionStarter]: At program point L330(lines 283 331) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-24 05:32:59,933 INFO L444 ceAbstractionStarter]: For program point L925(lines 925 931) no Hoare annotation was computed. [2019-11-24 05:32:59,933 INFO L444 ceAbstractionStarter]: For program point L925-2(lines 925 931) no Hoare annotation was computed. [2019-11-24 05:32:59,933 INFO L444 ceAbstractionStarter]: For program point L925-4(lines 925 931) no Hoare annotation was computed. [2019-11-24 05:32:59,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 05:32:59 BoogieIcfgContainer [2019-11-24 05:32:59,949 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 05:32:59,952 INFO L168 Benchmark]: Toolchain (without parser) took 3302.11 ms. Allocated memory was 137.4 MB in the beginning and 232.8 MB in the end (delta: 95.4 MB). Free memory was 101.2 MB in the beginning and 100.9 MB in the end (delta: 295.7 kB). Peak memory consumption was 95.7 MB. Max. memory is 7.1 GB. [2019-11-24 05:32:59,953 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 05:32:59,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.28 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 101.0 MB in the beginning and 168.3 MB in the end (delta: -67.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-11-24 05:32:59,955 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.46 ms. Allocated memory is still 201.3 MB. Free memory was 168.3 MB in the beginning and 165.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-11-24 05:32:59,956 INFO L168 Benchmark]: Boogie Preprocessor took 44.39 ms. Allocated memory is still 201.3 MB. Free memory was 165.0 MB in the beginning and 162.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-11-24 05:32:59,957 INFO L168 Benchmark]: RCFGBuilder took 1616.08 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 162.9 MB in the beginning and 157.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2019-11-24 05:32:59,958 INFO L168 Benchmark]: TraceAbstraction took 921.09 ms. Allocated memory is still 232.8 MB. Free memory was 155.9 MB in the beginning and 100.9 MB in the end (delta: 55.0 MB). Peak memory consumption was 55.0 MB. Max. memory is 7.1 GB. [2019-11-24 05:32:59,963 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 647.28 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 101.0 MB in the beginning and 168.3 MB in the end (delta: -67.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 67.46 ms. Allocated memory is still 201.3 MB. Free memory was 168.3 MB in the beginning and 165.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.39 ms. Allocated memory is still 201.3 MB. Free memory was 165.0 MB in the beginning and 162.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1616.08 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 162.9 MB in the beginning and 157.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 921.09 ms. Allocated memory is still 232.8 MB. Free memory was 155.9 MB in the beginning and 100.9 MB in the end (delta: 55.0 MB). Peak memory consumption was 55.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: 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: 920]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 423]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 423]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 3 error locations. Result: SAFE, OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 49 SDtfs, 36 SDslu, 10 SDs, 0 SdLazy, 18 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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, 79 HoareAnnotationTreeSize, 13 FomulaSimplifications, 77 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 252 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...