./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product12_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d4e29883-bfa7-4595-b4aa-90d29220d310/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d4e29883-bfa7-4595-b4aa-90d29220d310/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d4e29883-bfa7-4595-b4aa-90d29220d310/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d4e29883-bfa7-4595-b4aa-90d29220d310/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product12_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d4e29883-bfa7-4595-b4aa-90d29220d310/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d4e29883-bfa7-4595-b4aa-90d29220d310/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9343b88a4e8cc40a93847bba5f39d0e11192791f ............................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 22:30:45,505 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:30:45,506 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:30:45,512 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:30:45,512 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:30:45,513 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:30:45,514 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:30:45,515 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:30:45,515 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:30:45,516 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:30:45,516 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:30:45,516 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:30:45,517 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:30:45,517 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:30:45,518 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:30:45,518 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:30:45,519 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:30:45,519 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:30:45,520 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:30:45,521 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:30:45,522 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:30:45,522 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:30:45,523 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:30:45,524 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:30:45,524 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:30:45,524 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:30:45,525 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:30:45,525 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:30:45,525 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:30:45,526 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:30:45,526 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:30:45,526 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:30:45,526 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:30:45,527 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:30:45,527 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:30:45,527 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:30:45,528 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d4e29883-bfa7-4595-b4aa-90d29220d310/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 22:30:45,535 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:30:45,535 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:30:45,536 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 22:30:45,536 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 22:30:45,536 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 22:30:45,536 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 22:30:45,536 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:30:45,536 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 22:30:45,537 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:30:45,537 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 22:30:45,537 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:30:45,537 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 22:30:45,537 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:30:45,537 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 22:30:45,537 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 22:30:45,537 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:30:45,537 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 22:30:45,537 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 22:30:45,537 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 22:30:45,538 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 22:30:45,538 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:30:45,538 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:30:45,538 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 22:30:45,538 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:30:45,538 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:30:45,538 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 22:30:45,538 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 22:30:45,538 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:30:45,538 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 22:30:45,538 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_d4e29883-bfa7-4595-b4aa-90d29220d310/bin-2019/ukojak 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 -> Kojak 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 -> 9343b88a4e8cc40a93847bba5f39d0e11192791f [2018-12-01 22:30:45,555 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:30:45,564 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:30:45,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:30:45,567 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:30:45,568 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:30:45,568 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d4e29883-bfa7-4595-b4aa-90d29220d310/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec5_product12_true-unreach-call_false-termination.cil.c [2018-12-01 22:30:45,613 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4e29883-bfa7-4595-b4aa-90d29220d310/bin-2019/ukojak/data/bc06aa748/7a7cc714de1f4ad48901b316b64f7292/FLAGee6dba638 [2018-12-01 22:30:46,054 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:30:46,054 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d4e29883-bfa7-4595-b4aa-90d29220d310/sv-benchmarks/c/product-lines/minepump_spec5_product12_true-unreach-call_false-termination.cil.c [2018-12-01 22:30:46,061 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4e29883-bfa7-4595-b4aa-90d29220d310/bin-2019/ukojak/data/bc06aa748/7a7cc714de1f4ad48901b316b64f7292/FLAGee6dba638 [2018-12-01 22:30:46,068 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d4e29883-bfa7-4595-b4aa-90d29220d310/bin-2019/ukojak/data/bc06aa748/7a7cc714de1f4ad48901b316b64f7292 [2018-12-01 22:30:46,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:30:46,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:30:46,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:30:46,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:30:46,073 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:30:46,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:30:46" (1/1) ... [2018-12-01 22:30:46,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:30:46, skipping insertion in model container [2018-12-01 22:30:46,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:30:46" (1/1) ... [2018-12-01 22:30:46,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:30:46,102 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:30:46,261 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:30:46,304 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:30:46,344 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:30:46,358 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:30:46,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:30:46 WrapperNode [2018-12-01 22:30:46,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:30:46,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:30:46,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:30:46,359 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:30:46,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:30:46" (1/1) ... [2018-12-01 22:30:46,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:30:46" (1/1) ... [2018-12-01 22:30:46,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:30:46,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:30:46,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:30:46,391 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:30:46,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:30:46" (1/1) ... [2018-12-01 22:30:46,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:30:46" (1/1) ... [2018-12-01 22:30:46,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:30:46" (1/1) ... [2018-12-01 22:30:46,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:30:46" (1/1) ... [2018-12-01 22:30:46,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:30:46" (1/1) ... [2018-12-01 22:30:46,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:30:46" (1/1) ... [2018-12-01 22:30:46,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:30:46" (1/1) ... [2018-12-01 22:30:46,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:30:46,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:30:46,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:30:46,409 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:30:46,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:30:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4e29883-bfa7-4595-b4aa-90d29220d310/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-12-01 22:30:46,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 22:30:46,444 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 22:30:46,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 22:30:46,444 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 22:30:46,444 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 22:30:46,444 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 22:30:46,444 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 22:30:46,444 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 22:30:46,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 22:30:46,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 22:30:46,444 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 22:30:46,444 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 22:30:46,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:30:46,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:30:46,852 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:30:46,852 INFO L280 CfgBuilder]: Removed 38 assue(true) statements. [2018-12-01 22:30:46,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:30:46 BoogieIcfgContainer [2018-12-01 22:30:46,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:30:46,853 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 22:30:46,853 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 22:30:46,862 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 22:30:46,863 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:30:46" (1/1) ... [2018-12-01 22:30:46,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:30:46,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:30:46,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 41 states and 53 transitions. [2018-12-01 22:30:46,902 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2018-12-01 22:30:46,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 22:30:46,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:30:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:30:47,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 22:30:47,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:30:47,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2018-12-01 22:30:47,026 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2018-12-01 22:30:47,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 22:30:47,026 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:30:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:30:47,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 22:30:47,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:30:47,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 43 states and 54 transitions. [2018-12-01 22:30:47,093 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2018-12-01 22:30:47,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 22:30:47,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:30:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:30:47,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 22:30:47,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:30:47,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 41 states and 52 transitions. [2018-12-01 22:30:47,276 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2018-12-01 22:30:47,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 22:30:47,277 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-12-01 22:30:47,282 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 22:30:47,307 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-01 22:30:47,312 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 22:30:47,312 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 22:30:47,312 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 22:30:47,312 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 22:30:47,312 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 22:30:47,313 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 22:30:47,313 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 22:30:47,313 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 22:30:47,313 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 22:30:47,313 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 22:30:47,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 10:30:47 ImpRootNode [2018-12-01 22:30:47,313 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 22:30:47,314 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:30:47,314 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:30:47,314 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:30:47,314 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:30:46" (3/4) ... [2018-12-01 22:30:47,317 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 22:30:47,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-01 22:30:47,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-01 22:30:47,321 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-01 22:30:47,321 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-01 22:30:47,321 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-01 22:30:47,324 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2018-12-01 22:30:47,325 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-12-01 22:30:47,325 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-01 22:30:47,325 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 22:30:47,325 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 22:30:47,325 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 22:30:47,360 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d4e29883-bfa7-4595-b4aa-90d29220d310/bin-2019/ukojak/witness.graphml [2018-12-01 22:30:47,360 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:30:47,361 INFO L168 Benchmark]: Toolchain (without parser) took 1290.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.0 MB in the beginning and 979.0 MB in the end (delta: -23.0 MB). Peak memory consumption was 112.8 MB. Max. memory is 11.5 GB. [2018-12-01 22:30:47,362 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:30:47,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-01 22:30:47,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.02 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. [2018-12-01 22:30:47,362 INFO L168 Benchmark]: Boogie Preprocessor took 17.72 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. [2018-12-01 22:30:47,362 INFO L168 Benchmark]: RCFGBuilder took 444.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.7 MB). Peak memory consumption was 71.7 MB. Max. memory is 11.5 GB. [2018-12-01 22:30:47,363 INFO L168 Benchmark]: CodeCheck took 460.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 985.9 MB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 11.5 GB. [2018-12-01 22:30:47,363 INFO L168 Benchmark]: Witness Printer took 46.77 ms. Allocated memory is still 1.2 GB. Free memory was 985.9 MB in the beginning and 979.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-01 22:30:47,364 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 6 procedures, 62 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 156 SDtfs, 12 SDslu, 20 SDs, 0 SdLazy, 74 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 394 GetRequests, 379 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 1559 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 408]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: pumpRunning == aux-isPumpRunning()-aux - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 414]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 287.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.02 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. * Boogie Preprocessor took 17.72 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 444.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.7 MB). Peak memory consumption was 71.7 MB. Max. memory is 11.5 GB. * CodeCheck took 460.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 985.9 MB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 11.5 GB. * Witness Printer took 46.77 ms. Allocated memory is still 1.2 GB. Free memory was 985.9 MB in the beginning and 979.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...