./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_97eca56c-f36a-4d7e-8f33-ee99ecbe4714/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_97eca56c-f36a-4d7e-8f33-ee99ecbe4714/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_97eca56c-f36a-4d7e-8f33-ee99ecbe4714/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_97eca56c-f36a-4d7e-8f33-ee99ecbe4714/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_97eca56c-f36a-4d7e-8f33-ee99ecbe4714/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_97eca56c-f36a-4d7e-8f33-ee99ecbe4714/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 9c8016f452608c4941fa660b03ce7c0101dbbdf8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:02:53,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:02:53,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:02:53,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:02:53,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:02:53,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:02:53,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:02:53,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:02:53,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:02:53,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:02:53,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:02:53,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:02:53,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:02:53,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:02:53,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:02:53,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:02:53,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:02:53,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:02:53,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:02:53,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:02:53,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:02:53,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:02:53,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:02:53,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:02:53,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:02:53,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:02:53,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:02:53,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:02:53,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:02:53,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:02:53,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:02:53,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:02:53,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:02:53,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:02:53,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:02:53,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:02:53,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:02:53,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:02:53,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:02:53,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:02:53,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:02:53,491 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_97eca56c-f36a-4d7e-8f33-ee99ecbe4714/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 23:02:53,517 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:02:53,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:02:53,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:02:53,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:02:53,531 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:02:53,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:02:53,532 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:02:53,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:02:53,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:02:53,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:02:53,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:02:53,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:02:53,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:02:53,533 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:02:53,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:02:53,534 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:02:53,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:02:53,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:02:53,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:02:53,535 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:02:53,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 23:02:53,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:02:53,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:02:53,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:02:53,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:02:53,538 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:02:53,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:02:53,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:02:53,539 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_97eca56c-f36a-4d7e-8f33-ee99ecbe4714/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 -> 9c8016f452608c4941fa660b03ce7c0101dbbdf8 [2019-11-19 23:02:53,743 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:02:53,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:02:53,763 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:02:53,764 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:02:53,764 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:02:53,766 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_97eca56c-f36a-4d7e-8f33-ee99ecbe4714/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2019-11-19 23:02:53,834 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_97eca56c-f36a-4d7e-8f33-ee99ecbe4714/bin/uautomizer/data/11459b37e/f92e0cde5b434fd4bd4229d6ea79cd67/FLAGe75bb1e1e [2019-11-19 23:02:54,231 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:02:54,232 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_97eca56c-f36a-4d7e-8f33-ee99ecbe4714/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2019-11-19 23:02:54,245 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_97eca56c-f36a-4d7e-8f33-ee99ecbe4714/bin/uautomizer/data/11459b37e/f92e0cde5b434fd4bd4229d6ea79cd67/FLAGe75bb1e1e [2019-11-19 23:02:54,572 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_97eca56c-f36a-4d7e-8f33-ee99ecbe4714/bin/uautomizer/data/11459b37e/f92e0cde5b434fd4bd4229d6ea79cd67 [2019-11-19 23:02:54,574 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:02:54,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:02:54,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:02:54,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:02:54,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:02:54,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:02:54" (1/1) ... [2019-11-19 23:02:54,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53fec4a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:54, skipping insertion in model container [2019-11-19 23:02:54,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:02:54" (1/1) ... [2019-11-19 23:02:54,599 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:02:54,678 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:02:55,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:02:55,205 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:02:55,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:02:55,317 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:02:55,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:55 WrapperNode [2019-11-19 23:02:55,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:02:55,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:02:55,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:02:55,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:02:55,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:55" (1/1) ... [2019-11-19 23:02:55,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:55" (1/1) ... [2019-11-19 23:02:55,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:02:55,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:02:55,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:02:55,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:02:55,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:55" (1/1) ... [2019-11-19 23:02:55,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:55" (1/1) ... [2019-11-19 23:02:55,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:55" (1/1) ... [2019-11-19 23:02:55,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:55" (1/1) ... [2019-11-19 23:02:55,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:55" (1/1) ... [2019-11-19 23:02:55,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:55" (1/1) ... [2019-11-19 23:02:55,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:55" (1/1) ... [2019-11-19 23:02:55,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:02:55,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:02:55,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:02:55,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:02:55,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_97eca56c-f36a-4d7e-8f33-ee99ecbe4714/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 [2019-11-19 23:02:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 23:02:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 23:02:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:02:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:02:56,372 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:02:56,372 INFO L285 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-19 23:02:56,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:02:56 BoogieIcfgContainer [2019-11-19 23:02:56,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:02:56,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 23:02:56,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 23:02:56,378 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 23:02:56,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:02:54" (1/3) ... [2019-11-19 23:02:56,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79355b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:02:56, skipping insertion in model container [2019-11-19 23:02:56,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:55" (2/3) ... [2019-11-19 23:02:56,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79355b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:02:56, skipping insertion in model container [2019-11-19 23:02:56,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:02:56" (3/3) ... [2019-11-19 23:02:56,385 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product27.cil.c [2019-11-19 23:02:56,395 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 23:02:56,403 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 23:02:56,415 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 23:02:56,453 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 23:02:56,453 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 23:02:56,453 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 23:02:56,454 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:02:56,455 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:02:56,455 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 23:02:56,456 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:02:56,456 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 23:02:56,473 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2019-11-19 23:02:56,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-19 23:02:56,480 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:02:56,481 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:02:56,482 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:02:56,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:02:56,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1392435012, now seen corresponding path program 1 times [2019-11-19 23:02:56,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:02:56,499 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225673850] [2019-11-19 23:02:56,499 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:02:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:02:56,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:02:56,780 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225673850] [2019-11-19 23:02:56,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:02:56,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 23:02:56,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856058183] [2019-11-19 23:02:56,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 23:02:56,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:02:56,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 23:02:56,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 23:02:56,813 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2019-11-19 23:02:56,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:02:56,846 INFO L93 Difference]: Finished difference Result 155 states and 234 transitions. [2019-11-19 23:02:56,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 23:02:56,848 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-19 23:02:56,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:02:56,861 INFO L225 Difference]: With dead ends: 155 [2019-11-19 23:02:56,861 INFO L226 Difference]: Without dead ends: 77 [2019-11-19 23:02:56,865 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 23:02:56,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-11-19 23:02:56,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-11-19 23:02:56,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-11-19 23:02:56,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2019-11-19 23:02:56,907 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2019-11-19 23:02:56,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:02:56,908 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2019-11-19 23:02:56,908 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 23:02:56,908 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2019-11-19 23:02:56,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 23:02:56,909 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:02:56,909 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:02:56,910 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:02:56,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:02:56,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1173599043, now seen corresponding path program 1 times [2019-11-19 23:02:56,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:02:56,911 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368338463] [2019-11-19 23:02:56,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:02:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:02:57,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:02:57,067 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368338463] [2019-11-19 23:02:57,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:02:57,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:02:57,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956391613] [2019-11-19 23:02:57,069 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:02:57,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:02:57,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:02:57,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:02:57,071 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 3 states. [2019-11-19 23:02:57,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:02:57,082 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2019-11-19 23:02:57,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:02:57,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-19 23:02:57,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:02:57,084 INFO L225 Difference]: With dead ends: 77 [2019-11-19 23:02:57,084 INFO L226 Difference]: Without dead ends: 37 [2019-11-19 23:02:57,085 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:02:57,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-19 23:02:57,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-11-19 23:02:57,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-11-19 23:02:57,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2019-11-19 23:02:57,092 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2019-11-19 23:02:57,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:02:57,092 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2019-11-19 23:02:57,093 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:02:57,093 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2019-11-19 23:02:57,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 23:02:57,094 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:02:57,094 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:02:57,094 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:02:57,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:02:57,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1808533439, now seen corresponding path program 1 times [2019-11-19 23:02:57,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:02:57,095 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592096839] [2019-11-19 23:02:57,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:02:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:02:57,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:02:57,226 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592096839] [2019-11-19 23:02:57,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:02:57,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 23:02:57,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153572125] [2019-11-19 23:02:57,227 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:02:57,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:02:57,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:02:57,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:02:57,228 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 states. [2019-11-19 23:02:57,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:02:57,273 INFO L93 Difference]: Finished difference Result 97 states and 142 transitions. [2019-11-19 23:02:57,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:02:57,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-19 23:02:57,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:02:57,276 INFO L225 Difference]: With dead ends: 97 [2019-11-19 23:02:57,279 INFO L226 Difference]: Without dead ends: 67 [2019-11-19 23:02:57,280 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:02:57,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-11-19 23:02:57,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2019-11-19 23:02:57,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-19 23:02:57,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2019-11-19 23:02:57,299 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 24 [2019-11-19 23:02:57,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:02:57,301 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2019-11-19 23:02:57,302 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:02:57,302 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2019-11-19 23:02:57,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 23:02:57,305 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:02:57,305 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:02:57,306 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:02:57,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:02:57,306 INFO L82 PathProgramCache]: Analyzing trace with hash -71070855, now seen corresponding path program 1 times [2019-11-19 23:02:57,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:02:57,307 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807902399] [2019-11-19 23:02:57,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:02:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:02:57,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:02:57,393 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807902399] [2019-11-19 23:02:57,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:02:57,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 23:02:57,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863789460] [2019-11-19 23:02:57,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 23:02:57,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:02:57,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 23:02:57,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:02:57,395 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand 5 states. [2019-11-19 23:02:57,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:02:57,521 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2019-11-19 23:02:57,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 23:02:57,522 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-19 23:02:57,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:02:57,526 INFO L225 Difference]: With dead ends: 303 [2019-11-19 23:02:57,526 INFO L226 Difference]: Without dead ends: 247 [2019-11-19 23:02:57,527 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-19 23:02:57,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2019-11-19 23:02:57,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 111. [2019-11-19 23:02:57,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-19 23:02:57,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2019-11-19 23:02:57,552 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 25 [2019-11-19 23:02:57,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:02:57,552 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2019-11-19 23:02:57,553 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 23:02:57,553 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2019-11-19 23:02:57,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 23:02:57,556 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:02:57,556 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:02:57,556 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:02:57,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:02:57,557 INFO L82 PathProgramCache]: Analyzing trace with hash 34699249, now seen corresponding path program 1 times [2019-11-19 23:02:57,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:02:57,558 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052039169] [2019-11-19 23:02:57,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:02:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:02:57,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:02:57,676 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052039169] [2019-11-19 23:02:57,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:02:57,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 23:02:57,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400818407] [2019-11-19 23:02:57,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 23:02:57,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:02:57,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 23:02:57,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:02:57,678 INFO L87 Difference]: Start difference. First operand 111 states and 162 transitions. Second operand 5 states. [2019-11-19 23:02:57,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:02:57,770 INFO L93 Difference]: Finished difference Result 307 states and 460 transitions. [2019-11-19 23:02:57,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 23:02:57,771 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-19 23:02:57,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:02:57,772 INFO L225 Difference]: With dead ends: 307 [2019-11-19 23:02:57,772 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 23:02:57,774 INFO L630 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 [2019-11-19 23:02:57,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 23:02:57,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 23:02:57,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 23:02:57,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 23:02:57,775 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-11-19 23:02:57,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:02:57,776 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:02:57,776 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 23:02:57,776 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:02:57,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:02:57,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 23:02:58,090 INFO L440 ceAbstractionStarter]: At program point L415(lines 410 417) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-19 23:02:58,090 INFO L440 ceAbstractionStarter]: At program point L861(lines 856 864) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 23:02:58,090 INFO L440 ceAbstractionStarter]: At program point L861-1(lines 856 864) the Hoare annotation is: false [2019-11-19 23:02:58,091 INFO L440 ceAbstractionStarter]: At program point L861-2(lines 856 864) the Hoare annotation is: false [2019-11-19 23:02:58,091 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2019-11-19 23:02:58,091 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 23:02:58,091 INFO L444 ceAbstractionStarter]: For program point L632(lines 632 639) no Hoare annotation was computed. [2019-11-19 23:02:58,091 INFO L447 ceAbstractionStarter]: At program point L632-1(lines 632 639) the Hoare annotation is: true [2019-11-19 23:02:58,092 INFO L444 ceAbstractionStarter]: For program point L484(lines 484 488) no Hoare annotation was computed. [2019-11-19 23:02:58,092 INFO L440 ceAbstractionStarter]: At program point L765(lines 765 771) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 23:02:58,092 INFO L440 ceAbstractionStarter]: At program point L765-1(lines 765 771) the Hoare annotation is: false [2019-11-19 23:02:58,092 INFO L440 ceAbstractionStarter]: At program point L765-2(lines 765 771) the Hoare annotation is: false [2019-11-19 23:02:58,092 INFO L444 ceAbstractionStarter]: For program point L667(lines 667 673) no Hoare annotation was computed. [2019-11-19 23:02:58,093 INFO L440 ceAbstractionStarter]: At program point L667-1(lines 667 673) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 23:02:58,093 INFO L440 ceAbstractionStarter]: At program point L916(lines 901 919) the Hoare annotation is: false [2019-11-19 23:02:58,093 INFO L440 ceAbstractionStarter]: At program point L916-1(lines 901 919) the Hoare annotation is: false [2019-11-19 23:02:58,093 INFO L440 ceAbstractionStarter]: At program point L916-2(lines 901 919) the Hoare annotation is: false [2019-11-19 23:02:58,093 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 23:02:58,094 INFO L440 ceAbstractionStarter]: At program point L736(lines 1 943) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-19 23:02:58,094 INFO L440 ceAbstractionStarter]: At program point L604(lines 600 606) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-19 23:02:58,094 INFO L440 ceAbstractionStarter]: At program point L538(lines 533 541) the Hoare annotation is: false [2019-11-19 23:02:58,094 INFO L440 ceAbstractionStarter]: At program point L538-1(lines 533 541) the Hoare annotation is: false [2019-11-19 23:02:58,094 INFO L444 ceAbstractionStarter]: For program point L472(lines 472 476) no Hoare annotation was computed. [2019-11-19 23:02:58,095 INFO L440 ceAbstractionStarter]: At program point L538-2(lines 533 541) the Hoare annotation is: false [2019-11-19 23:02:58,095 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2019-11-19 23:02:58,095 INFO L444 ceAbstractionStarter]: For program point L687(lines 687 700) no Hoare annotation was computed. [2019-11-19 23:02:58,095 INFO L440 ceAbstractionStarter]: At program point L555-2(lines 555 569) the Hoare annotation is: false [2019-11-19 23:02:58,095 INFO L444 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-19 23:02:58,096 INFO L440 ceAbstractionStarter]: At program point L705(lines 656 706) the Hoare annotation is: false [2019-11-19 23:02:58,096 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 23:02:58,096 INFO L444 ceAbstractionStarter]: For program point L426(lines 426 443) no Hoare annotation was computed. [2019-11-19 23:02:58,096 INFO L440 ceAbstractionStarter]: At program point L426-1(lines 1 943) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 23:02:58,096 INFO L444 ceAbstractionStarter]: For program point L426-2(lines 426 443) no Hoare annotation was computed. [2019-11-19 23:02:58,099 INFO L440 ceAbstractionStarter]: At program point L426-3(lines 1 943) the Hoare annotation is: false [2019-11-19 23:02:58,099 INFO L444 ceAbstractionStarter]: For program point L426-4(lines 426 443) no Hoare annotation was computed. [2019-11-19 23:02:58,099 INFO L440 ceAbstractionStarter]: At program point L426-5(lines 1 943) the Hoare annotation is: false [2019-11-19 23:02:58,100 INFO L447 ceAbstractionStarter]: At program point L641(lines 622 644) the Hoare annotation is: true [2019-11-19 23:02:58,100 INFO L444 ceAbstractionStarter]: For program point L790(lines 790 807) no Hoare annotation was computed. [2019-11-19 23:02:58,103 INFO L444 ceAbstractionStarter]: For program point L790-1(lines 790 807) no Hoare annotation was computed. [2019-11-19 23:02:58,104 INFO L444 ceAbstractionStarter]: For program point L790-2(lines 790 807) no Hoare annotation was computed. [2019-11-19 23:02:58,105 INFO L444 ceAbstractionStarter]: For program point L658(lines 657 704) no Hoare annotation was computed. [2019-11-19 23:02:58,105 INFO L444 ceAbstractionStarter]: For program point L559(lines 559 563) no Hoare annotation was computed. [2019-11-19 23:02:58,106 INFO L444 ceAbstractionStarter]: For program point L559-1(lines 758 764) no Hoare annotation was computed. [2019-11-19 23:02:58,106 INFO L444 ceAbstractionStarter]: For program point L460(lines 460 464) no Hoare annotation was computed. [2019-11-19 23:02:58,107 INFO L444 ceAbstractionStarter]: For program point L460-3(lines 460 464) no Hoare annotation was computed. [2019-11-19 23:02:58,107 INFO L444 ceAbstractionStarter]: For program point L460-6(lines 460 464) no Hoare annotation was computed. [2019-11-19 23:02:58,107 INFO L440 ceAbstractionStarter]: At program point L758(lines 757 776) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 23:02:58,107 INFO L444 ceAbstractionStarter]: For program point L758-1(lines 758 764) no Hoare annotation was computed. [2019-11-19 23:02:58,107 INFO L440 ceAbstractionStarter]: At program point L758-2(lines 757 776) the Hoare annotation is: false [2019-11-19 23:02:58,108 INFO L444 ceAbstractionStarter]: For program point L659(lines 659 663) no Hoare annotation was computed. [2019-11-19 23:02:58,116 INFO L440 ceAbstractionStarter]: At program point L758-3(lines 757 776) the Hoare annotation is: false [2019-11-19 23:02:58,116 INFO L444 ceAbstractionStarter]: For program point L940(line 940) no Hoare annotation was computed. [2019-11-19 23:02:58,116 INFO L444 ceAbstractionStarter]: For program point L940-1(line 940) no Hoare annotation was computed. [2019-11-19 23:02:58,116 INFO L444 ceAbstractionStarter]: For program point L940-2(line 940) no Hoare annotation was computed. [2019-11-19 23:02:58,116 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 23:02:58,117 INFO L444 ceAbstractionStarter]: For program point L924(lines 924 930) no Hoare annotation was computed. [2019-11-19 23:02:58,117 INFO L440 ceAbstractionStarter]: At program point L924-1(lines 924 930) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 23:02:58,117 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2019-11-19 23:02:58,117 INFO L444 ceAbstractionStarter]: For program point L693(lines 693 699) no Hoare annotation was computed. [2019-11-19 23:02:58,117 INFO L440 ceAbstractionStarter]: At program point L693-1(lines 758 764) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 23:02:58,118 INFO L444 ceAbstractionStarter]: For program point L677(lines 677 683) no Hoare annotation was computed. [2019-11-19 23:02:58,118 INFO L440 ceAbstractionStarter]: At program point L677-1(lines 677 683) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 23:02:58,118 INFO L444 ceAbstractionStarter]: For program point L430(lines 430 440) no Hoare annotation was computed. [2019-11-19 23:02:58,118 INFO L444 ceAbstractionStarter]: For program point L430-2(lines 430 440) no Hoare annotation was computed. [2019-11-19 23:02:58,118 INFO L444 ceAbstractionStarter]: For program point L430-4(lines 430 440) no Hoare annotation was computed. [2019-11-19 23:02:58,119 INFO L440 ceAbstractionStarter]: At program point L744(lines 739 747) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-19 23:02:58,119 INFO L444 ceAbstractionStarter]: For program point L794(lines 794 802) no Hoare annotation was computed. [2019-11-19 23:02:58,119 INFO L444 ceAbstractionStarter]: For program point L794-1(lines 794 802) no Hoare annotation was computed. [2019-11-19 23:02:58,119 INFO L444 ceAbstractionStarter]: For program point L794-2(lines 794 802) no Hoare annotation was computed. [2019-11-19 23:02:58,119 INFO L440 ceAbstractionStarter]: At program point L497(lines 492 500) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 23:02:58,120 INFO L440 ceAbstractionStarter]: At program point L497-1(lines 492 500) the Hoare annotation is: false [2019-11-19 23:02:58,120 INFO L444 ceAbstractionStarter]: For program point L431(lines 431 437) no Hoare annotation was computed. [2019-11-19 23:02:58,120 INFO L440 ceAbstractionStarter]: At program point L497-2(lines 492 500) the Hoare annotation is: false [2019-11-19 23:02:58,120 INFO L444 ceAbstractionStarter]: For program point L910(lines 910 914) no Hoare annotation was computed. [2019-11-19 23:02:58,120 INFO L444 ceAbstractionStarter]: For program point L431-2(lines 431 437) no Hoare annotation was computed. [2019-11-19 23:02:58,121 INFO L444 ceAbstractionStarter]: For program point L910-2(lines 910 914) no Hoare annotation was computed. [2019-11-19 23:02:58,121 INFO L444 ceAbstractionStarter]: For program point L910-3(lines 910 914) no Hoare annotation was computed. [2019-11-19 23:02:58,121 INFO L444 ceAbstractionStarter]: For program point L431-4(lines 431 437) no Hoare annotation was computed. [2019-11-19 23:02:58,121 INFO L444 ceAbstractionStarter]: For program point L910-5(lines 910 914) no Hoare annotation was computed. [2019-11-19 23:02:58,121 INFO L444 ceAbstractionStarter]: For program point L910-6(lines 910 914) no Hoare annotation was computed. [2019-11-19 23:02:58,122 INFO L444 ceAbstractionStarter]: For program point L910-8(lines 910 914) no Hoare annotation was computed. [2019-11-19 23:02:58,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:02:58 BoogieIcfgContainer [2019-11-19 23:02:58,155 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 23:02:58,155 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:02:58,155 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:02:58,156 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:02:58,156 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:02:56" (3/4) ... [2019-11-19 23:02:58,160 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 23:02:58,181 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-19 23:02:58,182 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-19 23:02:58,183 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-19 23:02:58,184 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 23:02:58,185 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 23:02:58,185 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 23:02:58,223 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 23:02:58,290 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_97eca56c-f36a-4d7e-8f33-ee99ecbe4714/bin/uautomizer/witness.graphml [2019-11-19 23:02:58,290 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:02:58,292 INFO L168 Benchmark]: Toolchain (without parser) took 3716.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 923.8 MB in the end (delta: 20.9 MB). Peak memory consumption was 161.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:02:58,293 INFO L168 Benchmark]: CDTParser took 0.66 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. [2019-11-19 23:02:58,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-19 23:02:58,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:02:58,294 INFO L168 Benchmark]: Boogie Preprocessor took 39.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:02:58,294 INFO L168 Benchmark]: RCFGBuilder took 941.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:02:58,295 INFO L168 Benchmark]: TraceAbstraction took 1780.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 929.2 MB in the end (delta: 128.9 MB). Peak memory consumption was 128.9 MB. Max. memory is 11.5 GB. [2019-11-19 23:02:58,295 INFO L168 Benchmark]: Witness Printer took 134.93 ms. Allocated memory is still 1.2 GB. Free memory was 929.2 MB in the beginning and 923.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:02:58,298 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 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 742.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 941.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1780.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 929.2 MB in the end (delta: 128.9 MB). Peak memory consumption was 128.9 MB. Max. memory is 11.5 GB. * Witness Printer took 134.93 ms. Allocated memory is still 1.2 GB. Free memory was 929.2 MB in the beginning and 923.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 940]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 940]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 940]: 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: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 3 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 350 SDtfs, 321 SDslu, 370 SDs, 0 SdLazy, 49 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5261 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...