./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 66834ce7ab851f30f4141210f1887a35b259a922 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:20:55,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:20:55,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:20:55,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:20:55,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:20:55,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:20:55,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:20:55,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:20:55,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:20:55,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:20:55,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:20:55,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:20:55,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:20:55,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:20:55,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:20:55,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:20:55,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:20:55,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:20:55,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:20:55,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:20:55,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:20:55,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:20:55,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:20:55,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:20:55,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:20:55,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:20:55,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:20:55,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:20:55,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:20:55,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:20:55,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:20:55,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:20:55,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:20:55,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:20:55,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:20:55,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:20:55,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:20:55,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:20:55,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:20:55,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:20:55,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:20:55,947 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:20:55,976 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:20:55,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:20:55,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:20:55,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:20:55,979 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:20:55,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:20:55,980 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:20:55,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:20:55,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:20:55,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:20:55,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:20:55,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:20:55,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:20:55,982 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:20:55,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:20:55,983 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:20:55,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:20:55,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:20:55,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:20:55,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:20:55,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:20:55,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:20:55,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:20:55,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:20:55,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:20:55,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:20:55,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:20:55,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:20:55,985 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66834ce7ab851f30f4141210f1887a35b259a922 [2019-11-28 00:20:56,335 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:20:56,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:20:56,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:20:56,355 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:20:56,355 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:20:56,356 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2019-11-28 00:20:56,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d04935a10/fb5e1ca71b57464da9b1749d8db990f1/FLAG8063bd8b4 [2019-11-28 00:20:56,906 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:20:56,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2019-11-28 00:20:56,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d04935a10/fb5e1ca71b57464da9b1749d8db990f1/FLAG8063bd8b4 [2019-11-28 00:20:57,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d04935a10/fb5e1ca71b57464da9b1749d8db990f1 [2019-11-28 00:20:57,276 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:20:57,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:20:57,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:20:57,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:20:57,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:20:57,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:20:57" (1/1) ... [2019-11-28 00:20:57,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@564c4a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:57, skipping insertion in model container [2019-11-28 00:20:57,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:20:57" (1/1) ... [2019-11-28 00:20:57,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:20:57,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:20:57,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:20:57,917 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:20:58,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:20:58,090 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:20:58,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58 WrapperNode [2019-11-28 00:20:58,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:20:58,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:20:58,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:20:58,093 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:20:58,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58" (1/1) ... [2019-11-28 00:20:58,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58" (1/1) ... [2019-11-28 00:20:58,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:20:58,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:20:58,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:20:58,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:20:58,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58" (1/1) ... [2019-11-28 00:20:58,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58" (1/1) ... [2019-11-28 00:20:58,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58" (1/1) ... [2019-11-28 00:20:58,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58" (1/1) ... [2019-11-28 00:20:58,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58" (1/1) ... [2019-11-28 00:20:58,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58" (1/1) ... [2019-11-28 00:20:58,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58" (1/1) ... [2019-11-28 00:20:58,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:20:58,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:20:58,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:20:58,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:20:58,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58" (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 [2019-11-28 00:20:58,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:20:58,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:20:58,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:20:58,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:20:59,232 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:20:59,233 INFO L297 CfgBuilder]: Removed 158 assume(true) statements. [2019-11-28 00:20:59,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:59 BoogieIcfgContainer [2019-11-28 00:20:59,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:20:59,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:20:59,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:20:59,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:20:59,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:20:57" (1/3) ... [2019-11-28 00:20:59,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b796aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:20:59, skipping insertion in model container [2019-11-28 00:20:59,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58" (2/3) ... [2019-11-28 00:20:59,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b796aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:20:59, skipping insertion in model container [2019-11-28 00:20:59,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:59" (3/3) ... [2019-11-28 00:20:59,245 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product29.cil.c [2019-11-28 00:20:59,256 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:20:59,265 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:20:59,279 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:20:59,307 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:20:59,307 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:20:59,308 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:20:59,308 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:20:59,308 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:20:59,308 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:20:59,309 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:20:59,309 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:20:59,328 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2019-11-28 00:20:59,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 00:20:59,335 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:20:59,336 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:20:59,336 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:20:59,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:20:59,341 INFO L82 PathProgramCache]: Analyzing trace with hash 631358255, now seen corresponding path program 1 times [2019-11-28 00:20:59,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:20:59,349 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602193878] [2019-11-28 00:20:59,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:20:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:20:59,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:20:59,666 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602193878] [2019-11-28 00:20:59,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:20:59,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:20:59,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048157983] [2019-11-28 00:20:59,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:20:59,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:20:59,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:20:59,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:20:59,688 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2019-11-28 00:20:59,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:20:59,745 INFO L93 Difference]: Finished difference Result 211 states and 318 transitions. [2019-11-28 00:20:59,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:20:59,747 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 00:20:59,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:20:59,758 INFO L225 Difference]: With dead ends: 211 [2019-11-28 00:20:59,759 INFO L226 Difference]: Without dead ends: 105 [2019-11-28 00:20:59,763 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 [2019-11-28 00:20:59,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-11-28 00:20:59,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-11-28 00:20:59,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-28 00:20:59,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2019-11-28 00:20:59,814 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 18 [2019-11-28 00:20:59,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:20:59,815 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2019-11-28 00:20:59,815 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:20:59,815 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2019-11-28 00:20:59,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:20:59,816 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:20:59,817 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:20:59,817 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:20:59,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:20:59,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1546440637, now seen corresponding path program 1 times [2019-11-28 00:20:59,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:20:59,818 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907534578] [2019-11-28 00:20:59,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:20:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:20:59,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:20:59,966 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907534578] [2019-11-28 00:20:59,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:20:59,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:20:59,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441267072] [2019-11-28 00:20:59,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:20:59,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:20:59,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:20:59,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:20:59,972 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand 3 states. [2019-11-28 00:20:59,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:20:59,998 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2019-11-28 00:20:59,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:20:59,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 00:20:59,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:00,002 INFO L225 Difference]: With dead ends: 105 [2019-11-28 00:21:00,002 INFO L226 Difference]: Without dead ends: 45 [2019-11-28 00:21:00,004 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 [2019-11-28 00:21:00,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-28 00:21:00,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-11-28 00:21:00,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-28 00:21:00,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2019-11-28 00:21:00,019 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2019-11-28 00:21:00,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:00,019 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2019-11-28 00:21:00,020 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:00,020 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-11-28 00:21:00,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:21:00,022 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:00,022 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:00,022 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:00,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:00,024 INFO L82 PathProgramCache]: Analyzing trace with hash -2132184394, now seen corresponding path program 1 times [2019-11-28 00:21:00,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:00,025 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366999162] [2019-11-28 00:21:00,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:00,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:00,149 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366999162] [2019-11-28 00:21:00,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:00,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:00,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138818188] [2019-11-28 00:21:00,155 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:00,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:00,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:00,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:00,156 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2019-11-28 00:21:00,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:00,168 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2019-11-28 00:21:00,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:00,169 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 00:21:00,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:00,170 INFO L225 Difference]: With dead ends: 83 [2019-11-28 00:21:00,170 INFO L226 Difference]: Without dead ends: 45 [2019-11-28 00:21:00,171 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:00,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-28 00:21:00,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-11-28 00:21:00,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-28 00:21:00,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2019-11-28 00:21:00,176 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2019-11-28 00:21:00,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:00,177 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2019-11-28 00:21:00,177 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:00,177 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2019-11-28 00:21:00,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:21:00,178 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:00,179 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:00,179 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:00,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:00,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1437786744, now seen corresponding path program 1 times [2019-11-28 00:21:00,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:00,180 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568635194] [2019-11-28 00:21:00,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:00,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:00,261 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568635194] [2019-11-28 00:21:00,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:00,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:00,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765015919] [2019-11-28 00:21:00,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:00,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:00,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:00,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:00,265 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 5 states. [2019-11-28 00:21:00,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:00,410 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2019-11-28 00:21:00,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:21:00,411 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-28 00:21:00,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:00,413 INFO L225 Difference]: With dead ends: 207 [2019-11-28 00:21:00,414 INFO L226 Difference]: Without dead ends: 169 [2019-11-28 00:21:00,415 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:21:00,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-11-28 00:21:00,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2019-11-28 00:21:00,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-11-28 00:21:00,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2019-11-28 00:21:00,429 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 26 [2019-11-28 00:21:00,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:00,430 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2019-11-28 00:21:00,430 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:00,430 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2019-11-28 00:21:00,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 00:21:00,432 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:00,432 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:00,433 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:00,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:00,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1841086480, now seen corresponding path program 1 times [2019-11-28 00:21:00,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:00,434 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788090875] [2019-11-28 00:21:00,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:00,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:00,604 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788090875] [2019-11-28 00:21:00,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:00,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:00,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677965665] [2019-11-28 00:21:00,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:00,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:00,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:00,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:00,609 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand 5 states. [2019-11-28 00:21:00,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:00,713 INFO L93 Difference]: Finished difference Result 176 states and 260 transitions. [2019-11-28 00:21:00,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:21:00,714 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-11-28 00:21:00,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:00,715 INFO L225 Difference]: With dead ends: 176 [2019-11-28 00:21:00,715 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:21:00,716 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:21:00,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:21:00,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:21:00,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:21:00,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:21:00,717 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2019-11-28 00:21:00,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:00,718 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:21:00,718 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:00,718 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:21:00,718 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:21:00,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:21:01,051 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 317) no Hoare annotation was computed. [2019-11-28 00:21:01,051 INFO L242 CegarLoopResult]: At program point L333-2(lines 333 347) the Hoare annotation is: false [2019-11-28 00:21:01,051 INFO L246 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-11-28 00:21:01,052 INFO L246 CegarLoopResult]: For program point L234-2(lines 234 238) no Hoare annotation was computed. [2019-11-28 00:21:01,052 INFO L246 CegarLoopResult]: For program point L234-3(lines 234 238) no Hoare annotation was computed. [2019-11-28 00:21:01,052 INFO L246 CegarLoopResult]: For program point L234-5(lines 234 238) no Hoare annotation was computed. [2019-11-28 00:21:01,052 INFO L246 CegarLoopResult]: For program point L234-6(lines 234 238) no Hoare annotation was computed. [2019-11-28 00:21:01,052 INFO L246 CegarLoopResult]: For program point L234-8(lines 234 238) no Hoare annotation was computed. [2019-11-28 00:21:01,053 INFO L246 CegarLoopResult]: For program point L234-9(lines 234 238) no Hoare annotation was computed. [2019-11-28 00:21:01,053 INFO L246 CegarLoopResult]: For program point L234-11(lines 234 238) no Hoare annotation was computed. [2019-11-28 00:21:01,053 INFO L246 CegarLoopResult]: For program point L234-12(lines 234 238) no Hoare annotation was computed. [2019-11-28 00:21:01,053 INFO L246 CegarLoopResult]: For program point L234-14(lines 234 238) no Hoare annotation was computed. [2019-11-28 00:21:01,053 INFO L246 CegarLoopResult]: For program point L234-15(lines 234 238) no Hoare annotation was computed. [2019-11-28 00:21:01,053 INFO L246 CegarLoopResult]: For program point L234-17(lines 234 238) no Hoare annotation was computed. [2019-11-28 00:21:01,054 INFO L246 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2019-11-28 00:21:01,054 INFO L246 CegarLoopResult]: For program point L268(lines 268 274) no Hoare annotation was computed. [2019-11-28 00:21:01,054 INFO L242 CegarLoopResult]: At program point L268-1(lines 268 274) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:01,054 INFO L246 CegarLoopResult]: For program point L337(lines 337 341) no Hoare annotation was computed. [2019-11-28 00:21:01,054 INFO L242 CegarLoopResult]: At program point L304(lines 257 305) the Hoare annotation is: false [2019-11-28 00:21:01,055 INFO L246 CegarLoopResult]: For program point L337-1(lines 57 63) no Hoare annotation was computed. [2019-11-28 00:21:01,055 INFO L246 CegarLoopResult]: For program point L504(lines 504 508) no Hoare annotation was computed. [2019-11-28 00:21:01,055 INFO L246 CegarLoopResult]: For program point L504-3(lines 504 508) no Hoare annotation was computed. [2019-11-28 00:21:01,055 INFO L246 CegarLoopResult]: For program point L504-6(lines 504 508) no Hoare annotation was computed. [2019-11-28 00:21:01,055 INFO L242 CegarLoopResult]: At program point L240(lines 225 243) the Hoare annotation is: false [2019-11-28 00:21:01,055 INFO L242 CegarLoopResult]: At program point L240-1(lines 225 243) the Hoare annotation is: false [2019-11-28 00:21:01,056 INFO L242 CegarLoopResult]: At program point L240-2(lines 225 243) the Hoare annotation is: false [2019-11-28 00:21:01,056 INFO L242 CegarLoopResult]: At program point L240-3(lines 225 243) the Hoare annotation is: false [2019-11-28 00:21:01,056 INFO L242 CegarLoopResult]: At program point L240-4(lines 225 243) the Hoare annotation is: false [2019-11-28 00:21:01,056 INFO L242 CegarLoopResult]: At program point L240-5(lines 225 243) the Hoare annotation is: false [2019-11-28 00:21:01,056 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 317) no Hoare annotation was computed. [2019-11-28 00:21:01,057 INFO L246 CegarLoopResult]: For program point L440(lines 440 457) no Hoare annotation was computed. [2019-11-28 00:21:01,057 INFO L242 CegarLoopResult]: At program point L440-1(lines 1 951) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:01,057 INFO L246 CegarLoopResult]: For program point L440-2(lines 440 457) no Hoare annotation was computed. [2019-11-28 00:21:01,057 INFO L242 CegarLoopResult]: At program point L440-3(lines 1 951) the Hoare annotation is: false [2019-11-28 00:21:01,057 INFO L246 CegarLoopResult]: For program point L440-4(lines 440 457) no Hoare annotation was computed. [2019-11-28 00:21:01,058 INFO L242 CegarLoopResult]: At program point L440-5(lines 1 951) the Hoare annotation is: false [2019-11-28 00:21:01,058 INFO L242 CegarLoopResult]: At program point L176(lines 169 179) the Hoare annotation is: false [2019-11-28 00:21:01,058 INFO L242 CegarLoopResult]: At program point L176-1(lines 169 179) the Hoare annotation is: false [2019-11-28 00:21:01,058 INFO L242 CegarLoopResult]: At program point L176-2(lines 169 179) the Hoare annotation is: false [2019-11-28 00:21:01,058 INFO L242 CegarLoopResult]: At program point L541(lines 536 544) the Hoare annotation is: false [2019-11-28 00:21:01,059 INFO L242 CegarLoopResult]: At program point L541-1(lines 536 544) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:01,059 INFO L242 CegarLoopResult]: At program point L541-2(lines 536 544) the Hoare annotation is: false [2019-11-28 00:21:01,059 INFO L242 CegarLoopResult]: At program point L541-3(lines 536 544) the Hoare annotation is: false [2019-11-28 00:21:01,059 INFO L246 CegarLoopResult]: For program point L409(lines 409 416) no Hoare annotation was computed. [2019-11-28 00:21:01,059 INFO L242 CegarLoopResult]: At program point L541-4(lines 536 544) the Hoare annotation is: false [2019-11-28 00:21:01,059 INFO L242 CegarLoopResult]: At program point L541-5(lines 536 544) the Hoare annotation is: false [2019-11-28 00:21:01,060 INFO L249 CegarLoopResult]: At program point L409-1(lines 409 416) the Hoare annotation is: true [2019-11-28 00:21:01,060 INFO L246 CegarLoopResult]: For program point L278(lines 278 284) no Hoare annotation was computed. [2019-11-28 00:21:01,060 INFO L242 CegarLoopResult]: At program point L278-1(lines 278 284) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:01,060 INFO L246 CegarLoopResult]: For program point L444(lines 444 454) no Hoare annotation was computed. [2019-11-28 00:21:01,060 INFO L246 CegarLoopResult]: For program point L444-2(lines 444 454) no Hoare annotation was computed. [2019-11-28 00:21:01,061 INFO L246 CegarLoopResult]: For program point L444-4(lines 444 454) no Hoare annotation was computed. [2019-11-28 00:21:01,061 INFO L246 CegarLoopResult]: For program point L445(lines 445 451) no Hoare annotation was computed. [2019-11-28 00:21:01,061 INFO L246 CegarLoopResult]: For program point L445-2(lines 445 451) no Hoare annotation was computed. [2019-11-28 00:21:01,061 INFO L246 CegarLoopResult]: For program point L445-4(lines 445 451) no Hoare annotation was computed. [2019-11-28 00:21:01,061 INFO L246 CegarLoopResult]: For program point L115(lines 115 132) no Hoare annotation was computed. [2019-11-28 00:21:01,061 INFO L246 CegarLoopResult]: For program point L115-1(lines 115 132) no Hoare annotation was computed. [2019-11-28 00:21:01,062 INFO L246 CegarLoopResult]: For program point L115-2(lines 115 132) no Hoare annotation was computed. [2019-11-28 00:21:01,062 INFO L242 CegarLoopResult]: At program point L381(lines 377 383) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 00:21:01,062 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:21:01,062 INFO L246 CegarLoopResult]: For program point L317(line 317) no Hoare annotation was computed. [2019-11-28 00:21:01,062 INFO L246 CegarLoopResult]: For program point L317-1(line 317) no Hoare annotation was computed. [2019-11-28 00:21:01,062 INFO L246 CegarLoopResult]: For program point L317-2(line 317) no Hoare annotation was computed. [2019-11-28 00:21:01,063 INFO L242 CegarLoopResult]: At program point L185(lines 180 188) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:01,063 INFO L242 CegarLoopResult]: At program point L185-1(lines 180 188) the Hoare annotation is: false [2019-11-28 00:21:01,063 INFO L246 CegarLoopResult]: For program point L119(lines 119 127) no Hoare annotation was computed. [2019-11-28 00:21:01,063 INFO L242 CegarLoopResult]: At program point L185-2(lines 180 188) the Hoare annotation is: false [2019-11-28 00:21:01,063 INFO L246 CegarLoopResult]: For program point L119-1(lines 119 127) no Hoare annotation was computed. [2019-11-28 00:21:01,063 INFO L246 CegarLoopResult]: For program point L119-2(lines 119 127) no Hoare annotation was computed. [2019-11-28 00:21:01,064 INFO L242 CegarLoopResult]: At program point L582(lines 577 585) the Hoare annotation is: false [2019-11-28 00:21:01,064 INFO L242 CegarLoopResult]: At program point L582-1(lines 577 585) the Hoare annotation is: false [2019-11-28 00:21:01,064 INFO L246 CegarLoopResult]: For program point L516(lines 516 520) no Hoare annotation was computed. [2019-11-28 00:21:01,064 INFO L242 CegarLoopResult]: At program point L582-2(lines 577 585) the Hoare annotation is: false [2019-11-28 00:21:01,064 INFO L242 CegarLoopResult]: At program point L582-3(lines 577 585) the Hoare annotation is: false [2019-11-28 00:21:01,064 INFO L242 CegarLoopResult]: At program point L582-4(lines 577 585) the Hoare annotation is: false [2019-11-28 00:21:01,065 INFO L242 CegarLoopResult]: At program point L582-5(lines 577 585) the Hoare annotation is: false [2019-11-28 00:21:01,065 INFO L242 CegarLoopResult]: At program point L484(lines 1 951) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 00:21:01,065 INFO L249 CegarLoopResult]: At program point L418(lines 399 421) the Hoare annotation is: true [2019-11-28 00:21:01,065 INFO L246 CegarLoopResult]: For program point L89(lines 89 106) no Hoare annotation was computed. [2019-11-28 00:21:01,065 INFO L246 CegarLoopResult]: For program point L89-1(lines 89 106) no Hoare annotation was computed. [2019-11-28 00:21:01,065 INFO L246 CegarLoopResult]: For program point L89-2(lines 89 106) no Hoare annotation was computed. [2019-11-28 00:21:01,066 INFO L246 CegarLoopResult]: For program point L89-3(lines 89 106) no Hoare annotation was computed. [2019-11-28 00:21:01,066 INFO L246 CegarLoopResult]: For program point L89-4(lines 89 106) no Hoare annotation was computed. [2019-11-28 00:21:01,066 INFO L246 CegarLoopResult]: For program point L89-5(lines 89 106) no Hoare annotation was computed. [2019-11-28 00:21:01,066 INFO L246 CegarLoopResult]: For program point L288(lines 288 299) no Hoare annotation was computed. [2019-11-28 00:21:01,066 INFO L242 CegarLoopResult]: At program point L57(lines 56 75) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:01,066 INFO L246 CegarLoopResult]: For program point L57-1(lines 57 63) no Hoare annotation was computed. [2019-11-28 00:21:01,067 INFO L242 CegarLoopResult]: At program point L57-2(lines 56 75) the Hoare annotation is: false [2019-11-28 00:21:01,067 INFO L242 CegarLoopResult]: At program point L57-3(lines 56 75) the Hoare annotation is: false [2019-11-28 00:21:01,067 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:21:01,067 INFO L246 CegarLoopResult]: For program point L93(lines 93 101) no Hoare annotation was computed. [2019-11-28 00:21:01,067 INFO L246 CegarLoopResult]: For program point L93-1(lines 93 101) no Hoare annotation was computed. [2019-11-28 00:21:01,067 INFO L246 CegarLoopResult]: For program point L93-2(lines 93 101) no Hoare annotation was computed. [2019-11-28 00:21:01,068 INFO L246 CegarLoopResult]: For program point L93-3(lines 93 101) no Hoare annotation was computed. [2019-11-28 00:21:01,068 INFO L246 CegarLoopResult]: For program point L93-4(lines 93 101) no Hoare annotation was computed. [2019-11-28 00:21:01,068 INFO L246 CegarLoopResult]: For program point L93-5(lines 93 101) no Hoare annotation was computed. [2019-11-28 00:21:01,068 INFO L246 CegarLoopResult]: For program point L259(lines 258 303) no Hoare annotation was computed. [2019-11-28 00:21:01,068 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:21:01,068 INFO L246 CegarLoopResult]: For program point L260(lines 260 264) no Hoare annotation was computed. [2019-11-28 00:21:01,069 INFO L242 CegarLoopResult]: At program point L492(lines 487 495) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 00:21:01,069 INFO L246 CegarLoopResult]: For program point L294(lines 294 298) no Hoare annotation was computed. [2019-11-28 00:21:01,069 INFO L246 CegarLoopResult]: For program point L294-2(lines 57 63) no Hoare annotation was computed. [2019-11-28 00:21:01,069 INFO L242 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:01,069 INFO L242 CegarLoopResult]: At program point L64-1(lines 64 70) the Hoare annotation is: false [2019-11-28 00:21:01,069 INFO L242 CegarLoopResult]: At program point L64-2(lines 64 70) the Hoare annotation is: false [2019-11-28 00:21:01,070 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:21:01,070 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 317) no Hoare annotation was computed. [2019-11-28 00:21:01,070 INFO L246 CegarLoopResult]: For program point L528(lines 528 532) no Hoare annotation was computed. [2019-11-28 00:21:01,070 INFO L242 CegarLoopResult]: At program point L429(lines 424 431) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 00:21:01,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:21:01 BoogieIcfgContainer [2019-11-28 00:21:01,094 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:21:01,094 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:21:01,094 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:21:01,095 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:21:01,095 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:59" (3/4) ... [2019-11-28 00:21:01,099 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:21:01,130 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:21:01,131 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:21:01,132 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:21:01,136 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:21:01,137 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:21:01,138 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:21:01,140 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:21:01,183 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:21:01,278 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:21:01,278 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:21:01,281 INFO L168 Benchmark]: Toolchain (without parser) took 4002.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 960.4 MB in the beginning and 885.2 MB in the end (delta: 75.2 MB). Peak memory consumption was 201.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:01,281 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:21:01,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 812.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -139.9 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:01,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:01,282 INFO L168 Benchmark]: Boogie Preprocessor took 44.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:21:01,283 INFO L168 Benchmark]: RCFGBuilder took 992.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.3 MB). Peak memory consumption was 66.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:01,283 INFO L168 Benchmark]: TraceAbstraction took 1857.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 898.7 MB in the end (delta: 128.5 MB). Peak memory consumption was 128.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:01,284 INFO L168 Benchmark]: Witness Printer took 184.11 ms. Allocated memory is still 1.2 GB. Free memory was 898.7 MB in the beginning and 885.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:01,287 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 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 812.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -139.9 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 104.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 992.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.3 MB). Peak memory consumption was 66.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1857.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 898.7 MB in the end (delta: 128.5 MB). Peak memory consumption was 128.5 MB. Max. memory is 11.5 GB. * Witness Printer took 184.11 ms. Allocated memory is still 1.2 GB. Free memory was 898.7 MB in the beginning and 885.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 317]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 317]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 317]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 109 locations, 3 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 429 SDtfs, 375 SDslu, 363 SDs, 0 SdLazy, 62 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred 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, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 78 NumberOfFragments, 145 HoareAnnotationTreeSize, 43 FomulaSimplifications, 1028 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 60 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 5549 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...