./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.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/run_dir_ebd1d46b-cd8d-49dc-a1dd-3cca5ecbafd5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ebd1d46b-cd8d-49dc-a1dd-3cca5ecbafd5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ebd1d46b-cd8d-49dc-a1dd-3cca5ecbafd5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ebd1d46b-cd8d-49dc-a1dd-3cca5ecbafd5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ebd1d46b-cd8d-49dc-a1dd-3cca5ecbafd5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ebd1d46b-cd8d-49dc-a1dd-3cca5ecbafd5/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 b06e5398ffe5c8f069a10044eb2db1dcb4413f82 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:06:11,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:06:11,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:06:11,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:06:11,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:06:11,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:06:11,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:06:11,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:06:11,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:06:11,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:06:11,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:06:11,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:06:11,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:06:11,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:06:11,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:06:11,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:06:11,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:06:11,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:06:11,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:06:11,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:06:11,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:06:11,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:06:11,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:06:11,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:06:11,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:06:11,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:06:11,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:06:11,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:06:11,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:06:11,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:06:11,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:06:11,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:06:11,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:06:11,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:06:11,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:06:11,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:06:11,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:06:11,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:06:11,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:06:11,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:06:11,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:06:11,448 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ebd1d46b-cd8d-49dc-a1dd-3cca5ecbafd5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 22:06:11,462 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:06:11,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:06:11,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:06:11,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:06:11,464 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:06:11,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:06:11,465 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:06:11,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:06:11,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:06:11,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:06:11,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:06:11,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:06:11,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:06:11,466 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:06:11,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:06:11,467 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:06:11,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:06:11,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:06:11,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:06:11,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:06:11,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:06:11,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:06:11,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:06:11,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:06:11,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:06:11,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:06:11,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:06:11,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:06:11,470 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/run_dir_ebd1d46b-cd8d-49dc-a1dd-3cca5ecbafd5/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 -> b06e5398ffe5c8f069a10044eb2db1dcb4413f82 [2019-11-15 22:06:11,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:06:11,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:06:11,513 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:06:11,514 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:06:11,515 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:06:11,515 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ebd1d46b-cd8d-49dc-a1dd-3cca5ecbafd5/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2019-11-15 22:06:11,576 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ebd1d46b-cd8d-49dc-a1dd-3cca5ecbafd5/bin/uautomizer/data/353ab1790/0351738deb204c95b1ec52b8c84f015b/FLAGaad9fe35e [2019-11-15 22:06:12,145 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:06:12,148 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ebd1d46b-cd8d-49dc-a1dd-3cca5ecbafd5/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2019-11-15 22:06:12,165 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ebd1d46b-cd8d-49dc-a1dd-3cca5ecbafd5/bin/uautomizer/data/353ab1790/0351738deb204c95b1ec52b8c84f015b/FLAGaad9fe35e [2019-11-15 22:06:12,540 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ebd1d46b-cd8d-49dc-a1dd-3cca5ecbafd5/bin/uautomizer/data/353ab1790/0351738deb204c95b1ec52b8c84f015b [2019-11-15 22:06:12,543 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:06:12,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:06:12,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:06:12,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:06:12,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:06:12,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:06:12" (1/1) ... [2019-11-15 22:06:12,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a4abfd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:12, skipping insertion in model container [2019-11-15 22:06:12,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:06:12" (1/1) ... [2019-11-15 22:06:12,564 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:06:12,635 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:06:13,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:06:13,024 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:06:13,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:06:13,220 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:06:13,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:13 WrapperNode [2019-11-15 22:06:13,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:06:13,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:06:13,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:06:13,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:06:13,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:13" (1/1) ... [2019-11-15 22:06:13,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:13" (1/1) ... [2019-11-15 22:06:13,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:06:13,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:06:13,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:06:13,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:06:13,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:13" (1/1) ... [2019-11-15 22:06:13,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:13" (1/1) ... [2019-11-15 22:06:13,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:13" (1/1) ... [2019-11-15 22:06:13,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:13" (1/1) ... [2019-11-15 22:06:13,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:13" (1/1) ... [2019-11-15 22:06:13,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:13" (1/1) ... [2019-11-15 22:06:13,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:13" (1/1) ... [2019-11-15 22:06:13,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:06:13,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:06:13,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:06:13,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:06:13,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ebd1d46b-cd8d-49dc-a1dd-3cca5ecbafd5/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 [2019-11-15 22:06:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:06:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-15 22:06:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:06:13,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:06:14,606 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:06:14,606 INFO L284 CfgBuilder]: Removed 162 assume(true) statements. [2019-11-15 22:06:14,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:06:14 BoogieIcfgContainer [2019-11-15 22:06:14,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:06:14,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:06:14,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:06:14,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:06:14,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:06:12" (1/3) ... [2019-11-15 22:06:14,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@358f2ed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:06:14, skipping insertion in model container [2019-11-15 22:06:14,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:13" (2/3) ... [2019-11-15 22:06:14,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@358f2ed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:06:14, skipping insertion in model container [2019-11-15 22:06:14,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:06:14" (3/3) ... [2019-11-15 22:06:14,617 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product32.cil.c [2019-11-15 22:06:14,629 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:06:14,637 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-15 22:06:14,648 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-15 22:06:14,675 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:06:14,675 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:06:14,675 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:06:14,675 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:06:14,675 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:06:14,676 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:06:14,676 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:06:14,676 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:06:14,694 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-11-15 22:06:14,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-15 22:06:14,701 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:14,702 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:06:14,704 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:06:14,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:14,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1528758621, now seen corresponding path program 1 times [2019-11-15 22:06:14,719 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:14,720 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627299095] [2019-11-15 22:06:14,720 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:14,720 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:14,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:14,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:06:14,969 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627299095] [2019-11-15 22:06:14,970 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:06:14,970 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 22:06:14,970 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114418692] [2019-11-15 22:06:14,974 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 22:06:14,974 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:14,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 22:06:14,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 22:06:14,987 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2019-11-15 22:06:15,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:15,019 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2019-11-15 22:06:15,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 22:06:15,025 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-15 22:06:15,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:15,038 INFO L225 Difference]: With dead ends: 208 [2019-11-15 22:06:15,039 INFO L226 Difference]: Without dead ends: 103 [2019-11-15 22:06:15,043 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 [2019-11-15 22:06:15,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-11-15 22:06:15,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-11-15 22:06:15,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-11-15 22:06:15,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2019-11-15 22:06:15,095 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2019-11-15 22:06:15,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:15,096 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2019-11-15 22:06:15,096 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 22:06:15,096 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2019-11-15 22:06:15,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-15 22:06:15,098 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:15,098 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:06:15,099 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:06:15,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:15,099 INFO L82 PathProgramCache]: Analyzing trace with hash 512126731, now seen corresponding path program 1 times [2019-11-15 22:06:15,100 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:15,100 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833496514] [2019-11-15 22:06:15,100 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:15,100 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:15,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:15,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:06:15,269 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833496514] [2019-11-15 22:06:15,270 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:06:15,270 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:06:15,270 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460815340] [2019-11-15 22:06:15,272 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:06:15,272 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:15,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:06:15,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:06:15,273 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2019-11-15 22:06:15,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:15,288 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2019-11-15 22:06:15,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:06:15,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-15 22:06:15,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:15,290 INFO L225 Difference]: With dead ends: 103 [2019-11-15 22:06:15,291 INFO L226 Difference]: Without dead ends: 45 [2019-11-15 22:06:15,292 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 [2019-11-15 22:06:15,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-15 22:06:15,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-11-15 22:06:15,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-15 22:06:15,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2019-11-15 22:06:15,299 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2019-11-15 22:06:15,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:15,299 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2019-11-15 22:06:15,300 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:06:15,300 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-11-15 22:06:15,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-15 22:06:15,301 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:15,301 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] [2019-11-15 22:06:15,302 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:06:15,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:15,302 INFO L82 PathProgramCache]: Analyzing trace with hash -471925062, now seen corresponding path program 1 times [2019-11-15 22:06:15,302 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:15,303 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673387280] [2019-11-15 22:06:15,303 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:15,303 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:15,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:15,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:06:15,417 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673387280] [2019-11-15 22:06:15,417 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:06:15,417 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:06:15,417 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741219348] [2019-11-15 22:06:15,418 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:06:15,418 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:15,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:06:15,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:06:15,419 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2019-11-15 22:06:15,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:15,482 INFO L93 Difference]: Finished difference Result 123 states and 180 transitions. [2019-11-15 22:06:15,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:06:15,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-15 22:06:15,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:15,484 INFO L225 Difference]: With dead ends: 123 [2019-11-15 22:06:15,485 INFO L226 Difference]: Without dead ends: 84 [2019-11-15 22:06:15,485 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 [2019-11-15 22:06:15,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-11-15 22:06:15,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2019-11-15 22:06:15,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-11-15 22:06:15,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 117 transitions. [2019-11-15 22:06:15,507 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 117 transitions. Word has length 22 [2019-11-15 22:06:15,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:15,507 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 117 transitions. [2019-11-15 22:06:15,507 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:06:15,508 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2019-11-15 22:06:15,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-15 22:06:15,509 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:15,509 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] [2019-11-15 22:06:15,509 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:06:15,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:15,510 INFO L82 PathProgramCache]: Analyzing trace with hash -644490584, now seen corresponding path program 1 times [2019-11-15 22:06:15,510 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:15,510 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955561426] [2019-11-15 22:06:15,510 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:15,510 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:15,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:15,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:06:15,647 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955561426] [2019-11-15 22:06:15,647 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:06:15,648 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 22:06:15,648 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228329363] [2019-11-15 22:06:15,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 22:06:15,649 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:15,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 22:06:15,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:06:15,649 INFO L87 Difference]: Start difference. First operand 80 states and 117 transitions. Second operand 5 states. [2019-11-15 22:06:15,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:15,819 INFO L93 Difference]: Finished difference Result 404 states and 614 transitions. [2019-11-15 22:06:15,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 22:06:15,820 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-15 22:06:15,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:15,823 INFO L225 Difference]: With dead ends: 404 [2019-11-15 22:06:15,824 INFO L226 Difference]: Without dead ends: 330 [2019-11-15 22:06:15,825 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 [2019-11-15 22:06:15,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2019-11-15 22:06:15,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 148. [2019-11-15 22:06:15,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-15 22:06:15,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 217 transitions. [2019-11-15 22:06:15,866 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 217 transitions. Word has length 24 [2019-11-15 22:06:15,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:15,867 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 217 transitions. [2019-11-15 22:06:15,867 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 22:06:15,867 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 217 transitions. [2019-11-15 22:06:15,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-15 22:06:15,872 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:15,873 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, 1] [2019-11-15 22:06:15,873 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:06:15,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:15,873 INFO L82 PathProgramCache]: Analyzing trace with hash -235423010, now seen corresponding path program 1 times [2019-11-15 22:06:15,873 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:15,874 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417040830] [2019-11-15 22:06:15,874 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:15,874 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:15,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:16,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:06:16,019 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417040830] [2019-11-15 22:06:16,019 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:06:16,019 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 22:06:16,020 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362195934] [2019-11-15 22:06:16,020 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 22:06:16,022 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:16,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 22:06:16,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:06:16,022 INFO L87 Difference]: Start difference. First operand 148 states and 217 transitions. Second operand 5 states. [2019-11-15 22:06:16,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:16,135 INFO L93 Difference]: Finished difference Result 356 states and 539 transitions. [2019-11-15 22:06:16,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:06:16,136 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-15 22:06:16,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:16,137 INFO L225 Difference]: With dead ends: 356 [2019-11-15 22:06:16,137 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 22:06:16,139 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 [2019-11-15 22:06:16,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 22:06:16,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 22:06:16,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 22:06:16,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 22:06:16,140 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-11-15 22:06:16,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:16,140 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:06:16,141 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 22:06:16,141 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 22:06:16,141 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 22:06:16,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 22:06:16,426 INFO L443 ceAbstractionStarter]: For program point L828(lines 828 832) no Hoare annotation was computed. [2019-11-15 22:06:16,426 INFO L443 ceAbstractionStarter]: For program point L828-2(lines 828 832) no Hoare annotation was computed. [2019-11-15 22:06:16,426 INFO L443 ceAbstractionStarter]: For program point L828-3(lines 828 832) no Hoare annotation was computed. [2019-11-15 22:06:16,426 INFO L443 ceAbstractionStarter]: For program point L828-5(lines 828 832) no Hoare annotation was computed. [2019-11-15 22:06:16,426 INFO L443 ceAbstractionStarter]: For program point L828-6(lines 828 832) no Hoare annotation was computed. [2019-11-15 22:06:16,427 INFO L443 ceAbstractionStarter]: For program point L828-8(lines 828 832) no Hoare annotation was computed. [2019-11-15 22:06:16,427 INFO L443 ceAbstractionStarter]: For program point L828-9(lines 828 832) no Hoare annotation was computed. [2019-11-15 22:06:16,427 INFO L443 ceAbstractionStarter]: For program point L828-11(lines 828 832) no Hoare annotation was computed. [2019-11-15 22:06:16,427 INFO L443 ceAbstractionStarter]: For program point L828-12(lines 828 832) no Hoare annotation was computed. [2019-11-15 22:06:16,427 INFO L443 ceAbstractionStarter]: For program point L828-14(lines 828 832) no Hoare annotation was computed. [2019-11-15 22:06:16,427 INFO L443 ceAbstractionStarter]: For program point L828-15(lines 828 832) no Hoare annotation was computed. [2019-11-15 22:06:16,427 INFO L443 ceAbstractionStarter]: For program point L828-17(lines 828 832) no Hoare annotation was computed. [2019-11-15 22:06:16,428 INFO L446 ceAbstractionStarter]: At program point L962(lines 943 965) the Hoare annotation is: true [2019-11-15 22:06:16,428 INFO L439 ceAbstractionStarter]: At program point L632(lines 581 633) the Hoare annotation is: false [2019-11-15 22:06:16,428 INFO L439 ceAbstractionStarter]: At program point L930(lines 926 932) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-15 22:06:16,428 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 866) no Hoare annotation was computed. [2019-11-15 22:06:16,429 INFO L439 ceAbstractionStarter]: At program point L535(lines 530 538) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-15 22:06:16,429 INFO L443 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2019-11-15 22:06:16,429 INFO L443 ceAbstractionStarter]: For program point L866-1(line 866) no Hoare annotation was computed. [2019-11-15 22:06:16,429 INFO L443 ceAbstractionStarter]: For program point L866-2(line 866) no Hoare annotation was computed. [2019-11-15 22:06:16,429 INFO L443 ceAbstractionStarter]: For program point L602(lines 602 608) no Hoare annotation was computed. [2019-11-15 22:06:16,429 INFO L439 ceAbstractionStarter]: At program point L602-1(lines 602 608) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-15 22:06:16,430 INFO L439 ceAbstractionStarter]: At program point L834(lines 819 837) the Hoare annotation is: false [2019-11-15 22:06:16,430 INFO L439 ceAbstractionStarter]: At program point L834-1(lines 819 837) the Hoare annotation is: false [2019-11-15 22:06:16,430 INFO L439 ceAbstractionStarter]: At program point L834-2(lines 819 837) the Hoare annotation is: false [2019-11-15 22:06:16,430 INFO L439 ceAbstractionStarter]: At program point L834-3(lines 819 837) the Hoare annotation is: false [2019-11-15 22:06:16,430 INFO L439 ceAbstractionStarter]: At program point L834-4(lines 819 837) the Hoare annotation is: false [2019-11-15 22:06:16,430 INFO L439 ceAbstractionStarter]: At program point L834-5(lines 819 837) the Hoare annotation is: false [2019-11-15 22:06:16,431 INFO L439 ceAbstractionStarter]: At program point L770(lines 763 773) the Hoare annotation is: false [2019-11-15 22:06:16,431 INFO L439 ceAbstractionStarter]: At program point L770-1(lines 763 773) the Hoare annotation is: false [2019-11-15 22:06:16,431 INFO L439 ceAbstractionStarter]: At program point L770-2(lines 763 773) the Hoare annotation is: false [2019-11-15 22:06:16,431 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 866) no Hoare annotation was computed. [2019-11-15 22:06:16,431 INFO L443 ceAbstractionStarter]: For program point L443(lines 443 447) no Hoare annotation was computed. [2019-11-15 22:06:16,431 INFO L443 ceAbstractionStarter]: For program point L709(lines 709 726) no Hoare annotation was computed. [2019-11-15 22:06:16,431 INFO L443 ceAbstractionStarter]: For program point L709-1(lines 709 726) no Hoare annotation was computed. [2019-11-15 22:06:16,432 INFO L443 ceAbstractionStarter]: For program point L709-2(lines 709 726) no Hoare annotation was computed. [2019-11-15 22:06:16,432 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 848) no Hoare annotation was computed. [2019-11-15 22:06:16,433 INFO L439 ceAbstractionStarter]: At program point L842-1(lines 842 848) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-15 22:06:16,433 INFO L443 ceAbstractionStarter]: For program point L612(lines 612 627) no Hoare annotation was computed. [2019-11-15 22:06:16,433 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 866) no Hoare annotation was computed. [2019-11-15 22:06:16,434 INFO L439 ceAbstractionStarter]: At program point L779(lines 774 782) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-15 22:06:16,434 INFO L439 ceAbstractionStarter]: At program point L779-1(lines 774 782) the Hoare annotation is: false [2019-11-15 22:06:16,434 INFO L443 ceAbstractionStarter]: For program point L713(lines 713 721) no Hoare annotation was computed. [2019-11-15 22:06:16,434 INFO L439 ceAbstractionStarter]: At program point L779-2(lines 774 782) the Hoare annotation is: false [2019-11-15 22:06:16,435 INFO L443 ceAbstractionStarter]: For program point L713-1(lines 713 721) no Hoare annotation was computed. [2019-11-15 22:06:16,435 INFO L443 ceAbstractionStarter]: For program point L713-2(lines 713 721) no Hoare annotation was computed. [2019-11-15 22:06:16,435 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 22:06:16,435 INFO L443 ceAbstractionStarter]: For program point L583(lines 582 631) no Hoare annotation was computed. [2019-11-15 22:06:16,435 INFO L443 ceAbstractionStarter]: For program point L550(lines 550 563) no Hoare annotation was computed. [2019-11-15 22:06:16,436 INFO L439 ceAbstractionStarter]: At program point L550-1(lines 1 965) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-15 22:06:16,436 INFO L443 ceAbstractionStarter]: For program point L550-2(lines 550 563) no Hoare annotation was computed. [2019-11-15 22:06:16,436 INFO L439 ceAbstractionStarter]: At program point L550-3(lines 1 965) the Hoare annotation is: false [2019-11-15 22:06:16,436 INFO L443 ceAbstractionStarter]: For program point L550-4(lines 550 563) no Hoare annotation was computed. [2019-11-15 22:06:16,436 INFO L439 ceAbstractionStarter]: At program point L550-5(lines 1 965) the Hoare annotation is: false [2019-11-15 22:06:16,437 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 700) no Hoare annotation was computed. [2019-11-15 22:06:16,437 INFO L443 ceAbstractionStarter]: For program point L683-1(lines 683 700) no Hoare annotation was computed. [2019-11-15 22:06:16,437 INFO L443 ceAbstractionStarter]: For program point L683-2(lines 683 700) no Hoare annotation was computed. [2019-11-15 22:06:16,437 INFO L443 ceAbstractionStarter]: For program point L584(lines 584 588) no Hoare annotation was computed. [2019-11-15 22:06:16,437 INFO L443 ceAbstractionStarter]: For program point L683-3(lines 683 700) no Hoare annotation was computed. [2019-11-15 22:06:16,438 INFO L443 ceAbstractionStarter]: For program point L683-4(lines 683 700) no Hoare annotation was computed. [2019-11-15 22:06:16,438 INFO L443 ceAbstractionStarter]: For program point L683-5(lines 683 700) no Hoare annotation was computed. [2019-11-15 22:06:16,438 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 423) no Hoare annotation was computed. [2019-11-15 22:06:16,438 INFO L443 ceAbstractionStarter]: For program point L419-3(lines 419 423) no Hoare annotation was computed. [2019-11-15 22:06:16,438 INFO L443 ceAbstractionStarter]: For program point L419-6(lines 419 423) no Hoare annotation was computed. [2019-11-15 22:06:16,439 INFO L439 ceAbstractionStarter]: At program point L882-2(lines 882 896) the Hoare annotation is: false [2019-11-15 22:06:16,439 INFO L439 ceAbstractionStarter]: At program point L651(lines 650 669) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-15 22:06:16,439 INFO L443 ceAbstractionStarter]: For program point L651-1(lines 651 657) no Hoare annotation was computed. [2019-11-15 22:06:16,439 INFO L439 ceAbstractionStarter]: At program point L651-2(lines 650 669) the Hoare annotation is: false [2019-11-15 22:06:16,439 INFO L439 ceAbstractionStarter]: At program point L651-3(lines 650 669) the Hoare annotation is: false [2019-11-15 22:06:16,440 INFO L443 ceAbstractionStarter]: For program point L883(line 883) no Hoare annotation was computed. [2019-11-15 22:06:16,440 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 22:06:16,440 INFO L443 ceAbstractionStarter]: For program point L620(lines 620 626) no Hoare annotation was computed. [2019-11-15 22:06:16,440 INFO L439 ceAbstractionStarter]: At program point L620-1(lines 651 657) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-15 22:06:16,440 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 560) no Hoare annotation was computed. [2019-11-15 22:06:16,441 INFO L443 ceAbstractionStarter]: For program point L554-2(lines 554 560) no Hoare annotation was computed. [2019-11-15 22:06:16,441 INFO L443 ceAbstractionStarter]: For program point L554-4(lines 554 560) no Hoare annotation was computed. [2019-11-15 22:06:16,441 INFO L443 ceAbstractionStarter]: For program point L687(lines 687 695) no Hoare annotation was computed. [2019-11-15 22:06:16,441 INFO L443 ceAbstractionStarter]: For program point L687-1(lines 687 695) no Hoare annotation was computed. [2019-11-15 22:06:16,441 INFO L443 ceAbstractionStarter]: For program point L687-2(lines 687 695) no Hoare annotation was computed. [2019-11-15 22:06:16,442 INFO L443 ceAbstractionStarter]: For program point L687-3(lines 687 695) no Hoare annotation was computed. [2019-11-15 22:06:16,442 INFO L443 ceAbstractionStarter]: For program point L687-4(lines 687 695) no Hoare annotation was computed. [2019-11-15 22:06:16,442 INFO L443 ceAbstractionStarter]: For program point L687-5(lines 687 695) no Hoare annotation was computed. [2019-11-15 22:06:16,442 INFO L439 ceAbstractionStarter]: At program point L456(lines 451 459) the Hoare annotation is: false [2019-11-15 22:06:16,442 INFO L439 ceAbstractionStarter]: At program point L456-1(lines 451 459) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-15 22:06:16,443 INFO L439 ceAbstractionStarter]: At program point L456-2(lines 451 459) the Hoare annotation is: false [2019-11-15 22:06:16,443 INFO L439 ceAbstractionStarter]: At program point L456-3(lines 451 459) the Hoare annotation is: false [2019-11-15 22:06:16,443 INFO L439 ceAbstractionStarter]: At program point L456-4(lines 451 459) the Hoare annotation is: false [2019-11-15 22:06:16,443 INFO L439 ceAbstractionStarter]: At program point L456-5(lines 451 459) the Hoare annotation is: false [2019-11-15 22:06:16,444 INFO L443 ceAbstractionStarter]: For program point L886(lines 886 890) no Hoare annotation was computed. [2019-11-15 22:06:16,444 INFO L443 ceAbstractionStarter]: For program point L886-1(lines 651 657) no Hoare annotation was computed. [2019-11-15 22:06:16,444 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 22:06:16,444 INFO L443 ceAbstractionStarter]: For program point L953(lines 953 960) no Hoare annotation was computed. [2019-11-15 22:06:16,444 INFO L446 ceAbstractionStarter]: At program point L953-1(lines 953 960) the Hoare annotation is: true [2019-11-15 22:06:16,445 INFO L439 ceAbstractionStarter]: At program point L658(lines 658 664) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-15 22:06:16,445 INFO L439 ceAbstractionStarter]: At program point L658-1(lines 658 664) the Hoare annotation is: false [2019-11-15 22:06:16,445 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 598) no Hoare annotation was computed. [2019-11-15 22:06:16,445 INFO L439 ceAbstractionStarter]: At program point L658-2(lines 658 664) the Hoare annotation is: false [2019-11-15 22:06:16,445 INFO L439 ceAbstractionStarter]: At program point L592-1(lines 592 598) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-15 22:06:16,446 INFO L439 ceAbstractionStarter]: At program point L527(lines 1 965) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-15 22:06:16,446 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 22:06:16,446 INFO L439 ceAbstractionStarter]: At program point L497(lines 492 500) the Hoare annotation is: false [2019-11-15 22:06:16,446 INFO L439 ceAbstractionStarter]: At program point L497-1(lines 492 500) the Hoare annotation is: false [2019-11-15 22:06:16,446 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-11-15 22:06:16,447 INFO L439 ceAbstractionStarter]: At program point L497-2(lines 492 500) the Hoare annotation is: false [2019-11-15 22:06:16,447 INFO L439 ceAbstractionStarter]: At program point L497-3(lines 492 500) the Hoare annotation is: false [2019-11-15 22:06:16,447 INFO L439 ceAbstractionStarter]: At program point L497-4(lines 492 500) the Hoare annotation is: false [2019-11-15 22:06:16,447 INFO L439 ceAbstractionStarter]: At program point L497-5(lines 492 500) the Hoare annotation is: false [2019-11-15 22:06:16,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:06:16 BoogieIcfgContainer [2019-11-15 22:06:16,466 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:06:16,466 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:06:16,466 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:06:16,467 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:06:16,467 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:06:14" (3/4) ... [2019-11-15 22:06:16,471 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 22:06:16,513 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-15 22:06:16,514 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-15 22:06:16,515 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-15 22:06:16,516 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-15 22:06:16,517 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 22:06:16,518 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-15 22:06:16,593 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-15 22:06:16,707 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ebd1d46b-cd8d-49dc-a1dd-3cca5ecbafd5/bin/uautomizer/witness.graphml [2019-11-15 22:06:16,707 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:06:16,710 INFO L168 Benchmark]: Toolchain (without parser) took 4164.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 944.7 MB in the beginning and 875.4 MB in the end (delta: 69.3 MB). Peak memory consumption was 187.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:06:16,711 INFO L168 Benchmark]: CDTParser took 0.21 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. [2019-11-15 22:06:16,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -147.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:06:16,711 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:06:16,712 INFO L168 Benchmark]: Boogie Preprocessor took 89.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:06:16,712 INFO L168 Benchmark]: RCFGBuilder took 1206.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:06:16,713 INFO L168 Benchmark]: TraceAbstraction took 1856.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 889.4 MB in the end (delta: 132.9 MB). Peak memory consumption was 132.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:06:16,713 INFO L168 Benchmark]: Witness Printer took 241.33 ms. Allocated memory is still 1.1 GB. Free memory was 889.4 MB in the beginning and 875.4 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:06:16,715 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 676.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -147.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 88.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 89.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1206.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1856.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 889.4 MB in the end (delta: 132.9 MB). Peak memory consumption was 132.9 MB. Max. memory is 11.5 GB. * Witness Printer took 241.33 ms. Allocated memory is still 1.1 GB. Free memory was 889.4 MB in the beginning and 875.4 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 866]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 866]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 866]: 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: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. Result: SAFE, OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 434 SDtfs, 445 SDslu, 416 SDs, 0 SdLazy, 66 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 186 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 130 NumberOfFragments, 128 HoareAnnotationTreeSize, 44 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4199 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...