/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_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:32:58,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:32:58,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:32:58,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:32:58,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:32:58,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:32:58,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:32:58,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:32:58,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:32:58,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:32:58,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:32:58,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:32:58,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:32:58,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:32:58,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:32:58,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:32:58,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:32:59,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:32:59,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:32:59,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:32:59,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:32:59,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:32:59,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:32:59,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:32:59,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:32:59,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 05:32:59,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 05:32:59,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 05:32:59,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 05:32:59,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 05:32:59,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 05:32:59,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 05:32:59,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 05:32:59,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:32:59,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:32:59,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:32:59,033 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 05:32:59,069 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:32:59,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:32:59,070 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:32:59,070 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:32:59,070 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:32:59,071 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:32:59,071 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:32:59,071 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:32:59,071 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:32:59,071 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:32:59,071 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:32:59,072 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:32:59,072 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:32:59,072 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:32:59,072 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:32:59,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:32:59,073 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:32:59,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:32:59,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:32:59,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:32:59,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:32:59,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:32:59,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:32:59,074 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:32:59,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:32:59,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:32:59,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:32:59,075 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:32:59,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:32:59,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:32:59,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:32:59,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:32:59,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:32:59,076 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:32:59,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:32:59,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:32:59,077 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:32:59,077 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:32:59,383 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:32:59,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:32:59,408 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:32:59,411 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:32:59,411 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:32:59,412 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product27.cil.c [2019-11-24 05:32:59,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4b70a0d5/8227417752fe4f5ca7a9d29c6eb5a6b9/FLAG95e2cd912 [2019-11-24 05:33:00,011 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:33:00,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product27.cil.c [2019-11-24 05:33:00,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4b70a0d5/8227417752fe4f5ca7a9d29c6eb5a6b9/FLAG95e2cd912 [2019-11-24 05:33:00,278 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4b70a0d5/8227417752fe4f5ca7a9d29c6eb5a6b9 [2019-11-24 05:33:00,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:33:00,290 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:33:00,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:33:00,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:33:00,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:33:00,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:33:00" (1/1) ... [2019-11-24 05:33:00,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ceb8032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:00, skipping insertion in model container [2019-11-24 05:33:00,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:33:00" (1/1) ... [2019-11-24 05:33:00,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:33:00,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:33:00,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:33:00,919 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:33:01,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:33:01,093 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:33:01,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:01 WrapperNode [2019-11-24 05:33:01,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:33:01,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:33:01,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:33:01,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:33:01,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:01" (1/1) ... [2019-11-24 05:33:01,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:01" (1/1) ... [2019-11-24 05:33:01,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:33:01,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:33:01,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:33:01,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:33:01,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:01" (1/1) ... [2019-11-24 05:33:01,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:01" (1/1) ... [2019-11-24 05:33:01,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:01" (1/1) ... [2019-11-24 05:33:01,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:01" (1/1) ... [2019-11-24 05:33:01,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:01" (1/1) ... [2019-11-24 05:33:01,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:01" (1/1) ... [2019-11-24 05:33:01,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:01" (1/1) ... [2019-11-24 05:33:01,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:33:01,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:33:01,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:33:01,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:33:01,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:01" (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 05:33:01,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:33:01,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:33:01,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:33:01,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:33:02,768 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:33:02,768 INFO L284 CfgBuilder]: Removed 114 assume(true) statements. [2019-11-24 05:33:02,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:33:02 BoogieIcfgContainer [2019-11-24 05:33:02,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:33:02,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:33:02,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:33:02,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:33:02,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:33:00" (1/3) ... [2019-11-24 05:33:02,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22bc0f53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:33:02, skipping insertion in model container [2019-11-24 05:33:02,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:33:01" (2/3) ... [2019-11-24 05:33:02,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22bc0f53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:33:02, skipping insertion in model container [2019-11-24 05:33:02,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:33:02" (3/3) ... [2019-11-24 05:33:02,777 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product27.cil.c [2019-11-24 05:33:02,788 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:33:02,797 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-24 05:33:02,812 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-24 05:33:02,841 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:33:02,842 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:33:02,842 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:33:02,842 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:33:02,842 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:33:02,842 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:33:02,843 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:33:02,843 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:33:02,864 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-24 05:33:02,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 05:33:02,872 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:33:02,873 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:33:02,874 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:33:02,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:33:02,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1408710770, now seen corresponding path program 1 times [2019-11-24 05:33:02,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:33:02,896 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519819066] [2019-11-24 05:33:02,896 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:33:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:33:03,240 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 05:33:03,241 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519819066] [2019-11-24 05:33:03,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:33:03,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 05:33:03,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127876420] [2019-11-24 05:33:03,246 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-24 05:33:03,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:33:03,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-24 05:33:03,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 05:33:03,258 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 2 states. [2019-11-24 05:33:03,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:33:03,278 INFO L93 Difference]: Finished difference Result 50 states and 75 transitions. [2019-11-24 05:33:03,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-24 05:33:03,280 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-24 05:33:03,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:33:03,290 INFO L225 Difference]: With dead ends: 50 [2019-11-24 05:33:03,290 INFO L226 Difference]: Without dead ends: 24 [2019-11-24 05:33:03,293 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 05:33:03,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-24 05:33:03,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-24 05:33:03,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-24 05:33:03,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2019-11-24 05:33:03,324 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 8 [2019-11-24 05:33:03,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:33:03,324 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 31 transitions. [2019-11-24 05:33:03,325 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-24 05:33:03,325 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2019-11-24 05:33:03,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 05:33:03,325 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:33:03,326 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:33:03,326 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:33:03,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:33:03,326 INFO L82 PathProgramCache]: Analyzing trace with hash -973014499, now seen corresponding path program 1 times [2019-11-24 05:33:03,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:33:03,327 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211951109] [2019-11-24 05:33:03,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:33:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:33:03,482 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 05:33:03,483 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211951109] [2019-11-24 05:33:03,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:33:03,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:33:03,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663900268] [2019-11-24 05:33:03,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 05:33:03,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:33:03,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 05:33:03,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 05:33:03,487 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. Second operand 4 states. [2019-11-24 05:33:03,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:33:03,577 INFO L93 Difference]: Finished difference Result 44 states and 59 transitions. [2019-11-24 05:33:03,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 05:33:03,578 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-24 05:33:03,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:33:03,579 INFO L225 Difference]: With dead ends: 44 [2019-11-24 05:33:03,579 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 05:33:03,581 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 05:33:03,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 05:33:03,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 05:33:03,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 05:33:03,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 05:33:03,582 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-11-24 05:33:03,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:33:03,583 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 05:33:03,583 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 05:33:03,583 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 05:33:03,583 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 05:33:03,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 05:33:03,642 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2019-11-24 05:33:03,642 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-24 05:33:03,643 INFO L440 ceAbstractionStarter]: At program point L616(lines 616 620) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:33:03,643 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 05:33:03,643 INFO L440 ceAbstractionStarter]: At program point L686(lines 686 693) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:33:03,643 INFO L447 ceAbstractionStarter]: At program point L686-1(lines 686 693) the Hoare annotation is: true [2019-11-24 05:33:03,643 INFO L440 ceAbstractionStarter]: At program point L108(lines 108 125) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:33:03,644 INFO L440 ceAbstractionStarter]: At program point L108-1(lines 1 956) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:33:03,644 INFO L440 ceAbstractionStarter]: At program point L108-2(lines 108 125) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:33:03,644 INFO L440 ceAbstractionStarter]: At program point L108-3(lines 1 956) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:33:03,644 INFO L440 ceAbstractionStarter]: At program point L108-4(lines 108 125) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:33:03,645 INFO L440 ceAbstractionStarter]: At program point L108-5(lines 1 956) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:33:03,645 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2019-11-24 05:33:03,645 INFO L444 ceAbstractionStarter]: For program point L112(lines 112 122) no Hoare annotation was computed. [2019-11-24 05:33:03,645 INFO L444 ceAbstractionStarter]: For program point L112-2(lines 112 122) no Hoare annotation was computed. [2019-11-24 05:33:03,645 INFO L444 ceAbstractionStarter]: For program point L112-4(lines 112 122) no Hoare annotation was computed. [2019-11-24 05:33:03,646 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 119) no Hoare annotation was computed. [2019-11-24 05:33:03,646 INFO L444 ceAbstractionStarter]: For program point L113-2(lines 113 119) no Hoare annotation was computed. [2019-11-24 05:33:03,646 INFO L444 ceAbstractionStarter]: For program point L113-4(lines 113 119) no Hoare annotation was computed. [2019-11-24 05:33:03,646 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2019-11-24 05:33:03,647 INFO L440 ceAbstractionStarter]: At program point L759(lines 710 760) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:33:03,647 INFO L444 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-24 05:33:03,647 INFO L444 ceAbstractionStarter]: For program point L595-1(line 595) no Hoare annotation was computed. [2019-11-24 05:33:03,647 INFO L444 ceAbstractionStarter]: For program point L595-2(line 595) no Hoare annotation was computed. [2019-11-24 05:33:03,647 INFO L440 ceAbstractionStarter]: At program point L612-2(lines 612 626) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:33:03,648 INFO L440 ceAbstractionStarter]: At program point L712(lines 711 758) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-24 05:33:03,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 05:33:03 BoogieIcfgContainer [2019-11-24 05:33:03,663 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 05:33:03,666 INFO L168 Benchmark]: Toolchain (without parser) took 3374.75 ms. Allocated memory was 145.8 MB in the beginning and 235.4 MB in the end (delta: 89.7 MB). Free memory was 102.8 MB in the beginning and 98.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 94.0 MB. Max. memory is 7.1 GB. [2019-11-24 05:33:03,667 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 05:33:03,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 803.22 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 102.5 MB in the beginning and 168.7 MB in the end (delta: -66.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-11-24 05:33:03,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.67 ms. Allocated memory is still 203.9 MB. Free memory was 168.7 MB in the beginning and 165.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-11-24 05:33:03,670 INFO L168 Benchmark]: Boogie Preprocessor took 41.63 ms. Allocated memory is still 203.9 MB. Free memory was 165.4 MB in the beginning and 163.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-11-24 05:33:03,671 INFO L168 Benchmark]: RCFGBuilder took 1553.40 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 162.6 MB in the beginning and 146.1 MB in the end (delta: 16.5 MB). Peak memory consumption was 77.0 MB. Max. memory is 7.1 GB. [2019-11-24 05:33:03,672 INFO L168 Benchmark]: TraceAbstraction took 892.10 ms. Allocated memory is still 235.4 MB. Free memory was 146.1 MB in the beginning and 98.4 MB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 7.1 GB. [2019-11-24 05:33:03,677 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 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 803.22 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 102.5 MB in the beginning and 168.7 MB in the end (delta: -66.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 79.67 ms. Allocated memory is still 203.9 MB. Free memory was 168.7 MB in the beginning and 165.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.63 ms. Allocated memory is still 203.9 MB. Free memory was 165.4 MB in the beginning and 163.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1553.40 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 162.6 MB in the beginning and 146.1 MB in the end (delta: 16.5 MB). Peak memory consumption was 77.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 892.10 ms. Allocated memory is still 235.4 MB. Free memory was 146.1 MB in the beginning and 98.4 MB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 595]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 595]: 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: 686]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: pumpRunning == 0 - 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: 0.0s, HoareTripleCheckerStatistics: 49 SDtfs, 21 SDslu, 10 SDs, 0 SdLazy, 18 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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, 35 HoareAnnotationTreeSize, 13 FomulaSimplifications, 56 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 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...