./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6283a1bf-b986-47b6-885e-7619ffb48ab6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6283a1bf-b986-47b6-885e-7619ffb48ab6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6283a1bf-b986-47b6-885e-7619ffb48ab6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6283a1bf-b986-47b6-885e-7619ffb48ab6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6283a1bf-b986-47b6-885e-7619ffb48ab6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6283a1bf-b986-47b6-885e-7619ffb48ab6/bin/uautomizer --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 d2adcf2b9b8b03691138caa579df024fc7b4a734 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:01:47,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:01:47,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:01:47,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:01:47,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:01:47,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:01:47,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:01:47,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:01:47,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:01:47,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:01:47,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:01:47,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:01:47,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:01:47,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:01:47,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:01:47,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:01:47,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:01:47,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:01:47,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:01:47,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:01:47,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:01:47,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:01:47,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:01:47,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:01:47,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:01:47,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:01:47,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:01:47,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:01:47,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:01:47,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:01:47,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:01:47,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:01:47,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:01:47,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:01:47,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:01:47,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:01:47,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:01:47,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:01:47,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:01:47,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:01:47,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:01:47,409 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6283a1bf-b986-47b6-885e-7619ffb48ab6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:01:47,420 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:01:47,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:01:47,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:01:47,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:01:47,422 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:01:47,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:01:47,422 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:01:47,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:01:47,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:01:47,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:01:47,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:01:47,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:01:47,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:01:47,424 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:01:47,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:01:47,425 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:01:47,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:01:47,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:01:47,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:01:47,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:01:47,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:01:47,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:01:47,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:01:47,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:01:47,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:01:47,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:01:47,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:01:47,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:01:47,427 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_6283a1bf-b986-47b6-885e-7619ffb48ab6/bin/uautomizer 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 -> d2adcf2b9b8b03691138caa579df024fc7b4a734 [2019-10-22 09:01:47,460 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:01:47,472 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:01:47,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:01:47,478 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:01:47,478 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:01:47,479 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6283a1bf-b986-47b6-885e-7619ffb48ab6/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2019-10-22 09:01:47,522 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6283a1bf-b986-47b6-885e-7619ffb48ab6/bin/uautomizer/data/a22b8b800/3ea9221b79e54df8b7f213dcf24d1d67/FLAGee091109b [2019-10-22 09:01:47,951 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:01:47,952 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6283a1bf-b986-47b6-885e-7619ffb48ab6/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2019-10-22 09:01:47,962 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6283a1bf-b986-47b6-885e-7619ffb48ab6/bin/uautomizer/data/a22b8b800/3ea9221b79e54df8b7f213dcf24d1d67/FLAGee091109b [2019-10-22 09:01:47,974 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6283a1bf-b986-47b6-885e-7619ffb48ab6/bin/uautomizer/data/a22b8b800/3ea9221b79e54df8b7f213dcf24d1d67 [2019-10-22 09:01:47,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:01:47,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:01:47,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:47,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:01:47,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:01:47,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:47" (1/1) ... [2019-10-22 09:01:47,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306f10c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:47, skipping insertion in model container [2019-10-22 09:01:47,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:47" (1/1) ... [2019-10-22 09:01:47,994 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:01:48,040 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:01:48,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:48,355 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:01:48,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:48,441 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:01:48,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:48 WrapperNode [2019-10-22 09:01:48,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:48,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:48,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:01:48,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:01:48,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:48" (1/1) ... [2019-10-22 09:01:48,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:48" (1/1) ... [2019-10-22 09:01:48,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:48,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:01:48,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:01:48,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:01:48,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:48" (1/1) ... [2019-10-22 09:01:48,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:48" (1/1) ... [2019-10-22 09:01:48,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:48" (1/1) ... [2019-10-22 09:01:48,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:48" (1/1) ... [2019-10-22 09:01:48,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:48" (1/1) ... [2019-10-22 09:01:48,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:48" (1/1) ... [2019-10-22 09:01:48,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:48" (1/1) ... [2019-10-22 09:01:48,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:01:48,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:01:48,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:01:48,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:01:48,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6283a1bf-b986-47b6-885e-7619ffb48ab6/bin/uautomizer/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 [2019-10-22 09:01:48,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:01:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:01:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:01:48,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:01:49,283 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:01:49,283 INFO L284 CfgBuilder]: Removed 96 assume(true) statements. [2019-10-22 09:01:49,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:49 BoogieIcfgContainer [2019-10-22 09:01:49,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:01:49,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:01:49,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:01:49,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:01:49,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:01:47" (1/3) ... [2019-10-22 09:01:49,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675663de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:49, skipping insertion in model container [2019-10-22 09:01:49,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:48" (2/3) ... [2019-10-22 09:01:49,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675663de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:49, skipping insertion in model container [2019-10-22 09:01:49,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:49" (3/3) ... [2019-10-22 09:01:49,292 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product17.cil.c [2019-10-22 09:01:49,301 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:01:49,308 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 09:01:49,318 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 09:01:49,341 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:01:49,341 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:01:49,341 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:01:49,341 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:01:49,341 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:01:49,342 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:01:49,342 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:01:49,342 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:01:49,356 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-10-22 09:01:49,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 09:01:49,364 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:49,365 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:49,367 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:49,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:49,375 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2019-10-22 09:01:49,383 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:49,383 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647265289] [2019-10-22 09:01:49,384 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:49,384 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:49,384 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:49,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:49,586 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647265289] [2019-10-22 09:01:49,587 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:49,587 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:01:49,587 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199105475] [2019-10-22 09:01:49,591 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:01:49,592 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:49,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:01:49,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:01:49,607 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-10-22 09:01:49,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:49,630 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2019-10-22 09:01:49,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:01:49,633 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 09:01:49,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:49,642 INFO L225 Difference]: With dead ends: 144 [2019-10-22 09:01:49,642 INFO L226 Difference]: Without dead ends: 71 [2019-10-22 09:01:49,645 INFO L600 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 [2019-10-22 09:01:49,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-10-22 09:01:49,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-10-22 09:01:49,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-10-22 09:01:49,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-10-22 09:01:49,690 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2019-10-22 09:01:49,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:49,690 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-10-22 09:01:49,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:01:49,691 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-10-22 09:01:49,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 09:01:49,691 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:49,691 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:49,692 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:49,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:49,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2019-10-22 09:01:49,692 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:49,693 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901584576] [2019-10-22 09:01:49,693 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:49,693 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:49,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:49,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:49,800 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901584576] [2019-10-22 09:01:49,800 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:49,801 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:49,801 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974797560] [2019-10-22 09:01:49,802 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:49,802 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:49,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:49,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:49,803 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2019-10-22 09:01:49,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:49,812 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2019-10-22 09:01:49,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:49,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 09:01:49,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:49,813 INFO L225 Difference]: With dead ends: 71 [2019-10-22 09:01:49,813 INFO L226 Difference]: Without dead ends: 33 [2019-10-22 09:01:49,814 INFO L600 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 [2019-10-22 09:01:49,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-22 09:01:49,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-10-22 09:01:49,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-22 09:01:49,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-10-22 09:01:49,818 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-10-22 09:01:49,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:49,819 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-10-22 09:01:49,819 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:49,819 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-10-22 09:01:49,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 09:01:49,819 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:49,820 INFO L380 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] [2019-10-22 09:01:49,820 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:49,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:49,820 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2019-10-22 09:01:49,820 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:49,820 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851628792] [2019-10-22 09:01:49,821 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:49,821 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:49,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:49,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:49,927 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851628792] [2019-10-22 09:01:49,927 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:49,927 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:01:49,927 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044542578] [2019-10-22 09:01:49,931 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:01:49,932 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:49,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:01:49,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:01:49,932 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2019-10-22 09:01:50,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:50,008 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2019-10-22 09:01:50,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:01:50,009 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-10-22 09:01:50,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:50,010 INFO L225 Difference]: With dead ends: 60 [2019-10-22 09:01:50,010 INFO L226 Difference]: Without dead ends: 33 [2019-10-22 09:01:50,010 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:01:50,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-22 09:01:50,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-10-22 09:01:50,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-22 09:01:50,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-10-22 09:01:50,019 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2019-10-22 09:01:50,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:50,019 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-10-22 09:01:50,020 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:01:50,020 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-10-22 09:01:50,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 09:01:50,021 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:50,021 INFO L380 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] [2019-10-22 09:01:50,022 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:50,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:50,022 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2019-10-22 09:01:50,022 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:50,022 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310934263] [2019-10-22 09:01:50,022 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:50,023 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:50,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:50,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:50,112 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310934263] [2019-10-22 09:01:50,112 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:50,112 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:01:50,112 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718271655] [2019-10-22 09:01:50,113 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:01:50,113 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:50,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:01:50,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:01:50,113 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2019-10-22 09:01:50,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:50,224 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2019-10-22 09:01:50,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 09:01:50,228 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-10-22 09:01:50,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:50,229 INFO L225 Difference]: With dead ends: 151 [2019-10-22 09:01:50,229 INFO L226 Difference]: Without dead ends: 124 [2019-10-22 09:01:50,229 INFO L600 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 [2019-10-22 09:01:50,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-10-22 09:01:50,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2019-10-22 09:01:50,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-10-22 09:01:50,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2019-10-22 09:01:50,242 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2019-10-22 09:01:50,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:50,242 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2019-10-22 09:01:50,242 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:01:50,242 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2019-10-22 09:01:50,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 09:01:50,243 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:50,243 INFO L380 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] [2019-10-22 09:01:50,246 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:50,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:50,246 INFO L82 PathProgramCache]: Analyzing trace with hash -142255950, now seen corresponding path program 1 times [2019-10-22 09:01:50,246 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:50,246 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260779743] [2019-10-22 09:01:50,247 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:50,247 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:50,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:50,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:50,326 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260779743] [2019-10-22 09:01:50,327 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:50,327 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:01:50,327 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082691363] [2019-10-22 09:01:50,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:01:50,327 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:50,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:01:50,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:01:50,328 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand 5 states. [2019-10-22 09:01:50,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:50,412 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2019-10-22 09:01:50,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:01:50,412 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 09:01:50,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:50,413 INFO L225 Difference]: With dead ends: 148 [2019-10-22 09:01:50,413 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:01:50,414 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:01:50,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:01:50,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:01:50,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:01:50,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:01:50,415 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-10-22 09:01:50,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:50,415 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:01:50,415 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:01:50,419 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:01:50,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:01:50,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:01:50,708 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-22 09:01:50,708 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-10-22 09:01:50,708 INFO L439 ceAbstractionStarter]: At program point L498(lines 494 500) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 09:01:50,709 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:01:50,709 INFO L443 ceAbstractionStarter]: For program point L451(lines 451 455) no Hoare annotation was computed. [2019-10-22 09:01:50,709 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 560 566) no Hoare annotation was computed. [2019-10-22 09:01:50,709 INFO L439 ceAbstractionStarter]: At program point L567(lines 567 573) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:01:50,709 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-10-22 09:01:50,710 INFO L439 ceAbstractionStarter]: At program point L567-1(lines 567 573) the Hoare annotation is: false [2019-10-22 09:01:50,710 INFO L446 ceAbstractionStarter]: At program point L534(lines 515 537) the Hoare annotation is: true [2019-10-22 09:01:50,710 INFO L443 ceAbstractionStarter]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2019-10-22 09:01:50,710 INFO L439 ceAbstractionStarter]: At program point L567-2(lines 567 573) the Hoare annotation is: false [2019-10-22 09:01:50,710 INFO L443 ceAbstractionStarter]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2019-10-22 09:01:50,710 INFO L443 ceAbstractionStarter]: For program point L815(lines 815 821) no Hoare annotation was computed. [2019-10-22 09:01:50,710 INFO L439 ceAbstractionStarter]: At program point L815-1(lines 815 821) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:01:50,711 INFO L439 ceAbstractionStarter]: At program point L749(lines 744 752) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:01:50,711 INFO L439 ceAbstractionStarter]: At program point L749-1(lines 744 752) the Hoare annotation is: false [2019-10-22 09:01:50,711 INFO L439 ceAbstractionStarter]: At program point L749-2(lines 744 752) the Hoare annotation is: false [2019-10-22 09:01:50,711 INFO L439 ceAbstractionStarter]: At program point L700(lines 685 703) the Hoare annotation is: false [2019-10-22 09:01:50,711 INFO L439 ceAbstractionStarter]: At program point L700-1(lines 685 703) the Hoare annotation is: false [2019-10-22 09:01:50,712 INFO L439 ceAbstractionStarter]: At program point L700-2(lines 685 703) the Hoare annotation is: false [2019-10-22 09:01:50,712 INFO L439 ceAbstractionStarter]: At program point L882(lines 1 893) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 09:01:50,712 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:01:50,712 INFO L439 ceAbstractionStarter]: At program point L851(lines 804 852) the Hoare annotation is: false [2019-10-22 09:01:50,712 INFO L443 ceAbstractionStarter]: For program point L835(lines 835 846) no Hoare annotation was computed. [2019-10-22 09:01:50,712 INFO L443 ceAbstractionStarter]: For program point L736(lines 736 740) no Hoare annotation was computed. [2019-10-22 09:01:50,713 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:01:50,713 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-10-22 09:01:50,713 INFO L443 ceAbstractionStarter]: For program point L525(lines 525 532) no Hoare annotation was computed. [2019-10-22 09:01:50,713 INFO L446 ceAbstractionStarter]: At program point L525-1(lines 525 532) the Hoare annotation is: true [2019-10-22 09:01:50,713 INFO L443 ceAbstractionStarter]: For program point L806(lines 805 850) no Hoare annotation was computed. [2019-10-22 09:01:50,713 INFO L439 ceAbstractionStarter]: At program point L790(lines 785 793) the Hoare annotation is: false [2019-10-22 09:01:50,714 INFO L439 ceAbstractionStarter]: At program point L790-1(lines 785 793) the Hoare annotation is: false [2019-10-22 09:01:50,714 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 728) no Hoare annotation was computed. [2019-10-22 09:01:50,714 INFO L439 ceAbstractionStarter]: At program point L790-2(lines 785 793) the Hoare annotation is: false [2019-10-22 09:01:50,714 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 609) no Hoare annotation was computed. [2019-10-22 09:01:50,714 INFO L443 ceAbstractionStarter]: For program point L592-1(lines 592 609) no Hoare annotation was computed. [2019-10-22 09:01:50,714 INFO L443 ceAbstractionStarter]: For program point L592-2(lines 592 609) no Hoare annotation was computed. [2019-10-22 09:01:50,715 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 811) no Hoare annotation was computed. [2019-10-22 09:01:50,715 INFO L443 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2019-10-22 09:01:50,715 INFO L443 ceAbstractionStarter]: For program point L543-1(line 543) no Hoare annotation was computed. [2019-10-22 09:01:50,715 INFO L443 ceAbstractionStarter]: For program point L543-2(line 543) no Hoare annotation was computed. [2019-10-22 09:01:50,718 INFO L439 ceAbstractionStarter]: At program point L890(lines 885 893) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 09:01:50,718 INFO L439 ceAbstractionStarter]: At program point L560(lines 559 578) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:01:50,718 INFO L443 ceAbstractionStarter]: For program point L560-1(lines 560 566) no Hoare annotation was computed. [2019-10-22 09:01:50,718 INFO L439 ceAbstractionStarter]: At program point L560-2(lines 559 578) the Hoare annotation is: false [2019-10-22 09:01:50,718 INFO L439 ceAbstractionStarter]: At program point L560-3(lines 559 578) the Hoare annotation is: false [2019-10-22 09:01:50,719 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 845) no Hoare annotation was computed. [2019-10-22 09:01:50,719 INFO L443 ceAbstractionStarter]: For program point L841-2(lines 560 566) no Hoare annotation was computed. [2019-10-22 09:01:50,719 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:01:50,719 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 831) no Hoare annotation was computed. [2019-10-22 09:01:50,719 INFO L439 ceAbstractionStarter]: At program point L825-1(lines 825 831) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:01:50,720 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 698) no Hoare annotation was computed. [2019-10-22 09:01:50,720 INFO L443 ceAbstractionStarter]: For program point L694-2(lines 694 698) no Hoare annotation was computed. [2019-10-22 09:01:50,720 INFO L443 ceAbstractionStarter]: For program point L694-3(lines 694 698) no Hoare annotation was computed. [2019-10-22 09:01:50,720 INFO L443 ceAbstractionStarter]: For program point L694-5(lines 694 698) no Hoare annotation was computed. [2019-10-22 09:01:50,720 INFO L443 ceAbstractionStarter]: For program point L694-6(lines 694 698) no Hoare annotation was computed. [2019-10-22 09:01:50,720 INFO L443 ceAbstractionStarter]: For program point L694-8(lines 694 698) no Hoare annotation was computed. [2019-10-22 09:01:50,720 INFO L439 ceAbstractionStarter]: At program point L645(lines 640 648) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:01:50,721 INFO L439 ceAbstractionStarter]: At program point L645-1(lines 640 648) the Hoare annotation is: false [2019-10-22 09:01:50,721 INFO L439 ceAbstractionStarter]: At program point L645-2(lines 640 648) the Hoare annotation is: false [2019-10-22 09:01:50,721 INFO L439 ceAbstractionStarter]: At program point L447-2(lines 447 461) the Hoare annotation is: false [2019-10-22 09:01:50,721 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-10-22 09:01:50,721 INFO L443 ceAbstractionStarter]: For program point L596(lines 596 604) no Hoare annotation was computed. [2019-10-22 09:01:50,721 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-10-22 09:01:50,722 INFO L443 ceAbstractionStarter]: For program point L596-1(lines 596 604) no Hoare annotation was computed. [2019-10-22 09:01:50,722 INFO L439 ceAbstractionStarter]: At program point L51-1(lines 1 893) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:01:50,722 INFO L443 ceAbstractionStarter]: For program point L596-2(lines 596 604) no Hoare annotation was computed. [2019-10-22 09:01:50,722 INFO L443 ceAbstractionStarter]: For program point L51-2(lines 51 64) no Hoare annotation was computed. [2019-10-22 09:01:50,722 INFO L439 ceAbstractionStarter]: At program point L51-3(lines 1 893) the Hoare annotation is: false [2019-10-22 09:01:50,722 INFO L443 ceAbstractionStarter]: For program point L51-4(lines 51 64) no Hoare annotation was computed. [2019-10-22 09:01:50,723 INFO L439 ceAbstractionStarter]: At program point L51-5(lines 1 893) the Hoare annotation is: false [2019-10-22 09:01:50,723 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 716) no Hoare annotation was computed. [2019-10-22 09:01:50,723 INFO L443 ceAbstractionStarter]: For program point L712-3(lines 712 716) no Hoare annotation was computed. [2019-10-22 09:01:50,723 INFO L443 ceAbstractionStarter]: For program point L712-6(lines 712 716) no Hoare annotation was computed. [2019-10-22 09:01:50,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:01:50 BoogieIcfgContainer [2019-10-22 09:01:50,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:01:50,747 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:01:50,747 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:01:50,747 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:01:50,750 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:49" (3/4) ... [2019-10-22 09:01:50,754 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:01:50,769 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 09:01:50,769 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 09:01:50,770 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 09:01:50,770 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 09:01:50,770 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:01:50,771 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 09:01:50,794 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-10-22 09:01:50,794 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-10-22 09:01:50,794 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:01:50,794 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:01:50,795 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:01:50,795 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:01:50,795 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:01:50,796 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:01:50,797 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && \result == 0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:01:50,853 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6283a1bf-b986-47b6-885e-7619ffb48ab6/bin/uautomizer/witness.graphml [2019-10-22 09:01:50,853 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:01:50,855 INFO L168 Benchmark]: Toolchain (without parser) took 2876.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 944.7 MB in the beginning and 966.7 MB in the end (delta: -22.0 MB). Peak memory consumption was 169.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:50,856 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:50,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 463.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 939.4 MB in the beginning and 1.2 GB in the end (delta: -231.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:50,857 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:50,857 INFO L168 Benchmark]: Boogie Preprocessor took 34.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:50,857 INFO L168 Benchmark]: RCFGBuilder took 755.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:50,857 INFO L168 Benchmark]: TraceAbstraction took 1460.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.7 MB in the end (delta: 122.2 MB). Peak memory consumption was 122.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:50,858 INFO L168 Benchmark]: Witness Printer took 106.67 ms. Allocated memory is still 1.2 GB. Free memory was 979.7 MB in the beginning and 966.7 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:50,859 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 463.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 939.4 MB in the beginning and 1.2 GB in the end (delta: -231.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 755.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1460.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.7 MB in the end (delta: 122.2 MB). Peak memory consumption was 122.2 MB. Max. memory is 11.5 GB. * Witness Printer took 106.67 ms. Allocated memory is still 1.2 GB. Free memory was 979.7 MB in the beginning and 966.7 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 543]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 543]: 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: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && \result == 0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 309 SDtfs, 396 SDslu, 266 SDs, 0 SdLazy, 44 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred 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, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 65 NumberOfFragments, 174 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1476 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4708 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...