./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product14_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dbf5630a-7b64-4d95-8455-4ea873e2863e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dbf5630a-7b64-4d95-8455-4ea873e2863e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dbf5630a-7b64-4d95-8455-4ea873e2863e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dbf5630a-7b64-4d95-8455-4ea873e2863e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product14_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dbf5630a-7b64-4d95-8455-4ea873e2863e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dbf5630a-7b64-4d95-8455-4ea873e2863e/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 ffb924ee3454938bf87e2a52362fa3f53467287e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:20:21,563 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:20:21,564 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:20:21,573 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:20:21,573 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:20:21,574 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:20:21,575 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:20:21,576 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:20:21,577 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:20:21,578 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:20:21,579 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:20:21,579 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:20:21,579 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:20:21,580 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:20:21,581 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:20:21,582 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:20:21,582 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:20:21,583 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:20:21,585 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:20:21,586 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:20:21,586 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:20:21,587 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:20:21,589 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:20:21,589 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:20:21,589 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:20:21,590 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:20:21,591 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:20:21,591 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:20:21,592 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:20:21,592 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:20:21,593 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:20:21,593 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:20:21,593 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:20:21,593 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:20:21,594 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:20:21,595 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:20:21,595 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dbf5630a-7b64-4d95-8455-4ea873e2863e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 12:20:21,606 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:20:21,606 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:20:21,607 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:20:21,607 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 12:20:21,608 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:20:21,608 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:20:21,608 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:20:21,608 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:20:21,608 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:20:21,608 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:20:21,609 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:20:21,609 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:20:21,609 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:20:21,609 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:20:21,609 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:20:21,609 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:20:21,609 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:20:21,610 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:20:21,610 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 12:20:21,610 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 12:20:21,610 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:20:21,610 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:20:21,610 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 12:20:21,611 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:20:21,611 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:20:21,611 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:20:21,611 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 12:20:21,611 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:20:21,611 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:20:21,612 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_dbf5630a-7b64-4d95-8455-4ea873e2863e/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 -> ffb924ee3454938bf87e2a52362fa3f53467287e [2018-11-23 12:20:21,637 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:20:21,646 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:20:21,649 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:20:21,650 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:20:21,650 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:20:21,651 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dbf5630a-7b64-4d95-8455-4ea873e2863e/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product14_true-unreach-call_false-termination.cil.c [2018-11-23 12:20:21,687 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dbf5630a-7b64-4d95-8455-4ea873e2863e/bin-2019/ukojak/data/d3a4a3b65/e91cb2ea1ef64371b160f37ffc1568c5/FLAG76f68a1a6 [2018-11-23 12:20:22,112 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:20:22,112 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dbf5630a-7b64-4d95-8455-4ea873e2863e/sv-benchmarks/c/product-lines/minepump_spec1_product14_true-unreach-call_false-termination.cil.c [2018-11-23 12:20:22,120 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dbf5630a-7b64-4d95-8455-4ea873e2863e/bin-2019/ukojak/data/d3a4a3b65/e91cb2ea1ef64371b160f37ffc1568c5/FLAG76f68a1a6 [2018-11-23 12:20:22,128 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dbf5630a-7b64-4d95-8455-4ea873e2863e/bin-2019/ukojak/data/d3a4a3b65/e91cb2ea1ef64371b160f37ffc1568c5 [2018-11-23 12:20:22,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:20:22,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:20:22,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:20:22,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:20:22,135 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:20:22,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:20:22" (1/1) ... [2018-11-23 12:20:22,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:20:22, skipping insertion in model container [2018-11-23 12:20:22,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:20:22" (1/1) ... [2018-11-23 12:20:22,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:20:22,175 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:20:22,358 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:20:22,367 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:20:22,468 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:20:22,484 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:20:22,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:20:22 WrapperNode [2018-11-23 12:20:22,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:20:22,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:20:22,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:20:22,486 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:20:22,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:20:22" (1/1) ... [2018-11-23 12:20:22,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:20:22" (1/1) ... [2018-11-23 12:20:22,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:20:22,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:20:22,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:20:22,531 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:20:22,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:20:22" (1/1) ... [2018-11-23 12:20:22,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:20:22" (1/1) ... [2018-11-23 12:20:22,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:20:22" (1/1) ... [2018-11-23 12:20:22,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:20:22" (1/1) ... [2018-11-23 12:20:22,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:20:22" (1/1) ... [2018-11-23 12:20:22,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:20:22" (1/1) ... [2018-11-23 12:20:22,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:20:22" (1/1) ... [2018-11-23 12:20:22,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:20:22,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:20:22,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:20:22,559 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:20:22,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:20:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dbf5630a-7b64-4d95-8455-4ea873e2863e/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 [2018-11-23 12:20:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:20:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 12:20:22,615 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 12:20:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 12:20:22,615 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 12:20:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 12:20:22,616 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 12:20:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 12:20:22,616 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 12:20:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 12:20:22,616 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 12:20:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 12:20:22,616 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 12:20:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 12:20:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 12:20:22,617 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 12:20:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:20:22,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:20:23,189 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:20:23,189 INFO L280 CfgBuilder]: Removed 32 assue(true) statements. [2018-11-23 12:20:23,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:20:23 BoogieIcfgContainer [2018-11-23 12:20:23,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:20:23,190 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 12:20:23,190 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 12:20:23,197 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 12:20:23,197 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:20:23" (1/1) ... [2018-11-23 12:20:23,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:20:23,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:23,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 52 states and 67 transitions. [2018-11-23 12:20:23,229 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2018-11-23 12:20:23,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 12:20:23,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:23,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:20:23,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:23,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 52 states and 65 transitions. [2018-11-23 12:20:23,383 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2018-11-23 12:20:23,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 12:20:23,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:23,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:20:23,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:23,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 68 transitions. [2018-11-23 12:20:23,484 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2018-11-23 12:20:23,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 12:20:23,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:23,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:20:23,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:23,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 63 states and 85 transitions. [2018-11-23 12:20:23,768 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2018-11-23 12:20:23,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 12:20:23,769 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:23,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:20:23,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:23,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 64 states and 86 transitions. [2018-11-23 12:20:23,820 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2018-11-23 12:20:23,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 12:20:23,821 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:23,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:20:24,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:24,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 79 states and 116 transitions. [2018-11-23 12:20:24,292 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 116 transitions. [2018-11-23 12:20:24,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 12:20:24,293 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:24,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:20:24,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:24,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 86 states and 131 transitions. [2018-11-23 12:20:24,428 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 131 transitions. [2018-11-23 12:20:24,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 12:20:24,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:24,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:20:24,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:24,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 87 states and 132 transitions. [2018-11-23 12:20:24,473 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 132 transitions. [2018-11-23 12:20:24,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 12:20:24,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:24,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:20:25,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:25,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 103 states and 163 transitions. [2018-11-23 12:20:25,318 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 163 transitions. [2018-11-23 12:20:25,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 12:20:25,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:25,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 12:20:25,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:25,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 104 states and 164 transitions. [2018-11-23 12:20:25,364 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 164 transitions. [2018-11-23 12:20:25,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 12:20:25,366 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:25,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 12:20:25,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:25,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 109 states and 174 transitions. [2018-11-23 12:20:25,516 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 174 transitions. [2018-11-23 12:20:25,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 12:20:25,518 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:25,566 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 12:20:25,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:25,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 115 states and 189 transitions. [2018-11-23 12:20:25,747 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 189 transitions. [2018-11-23 12:20:25,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 12:20:25,748 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:25,902 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 12:20:26,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:26,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 118 states and 195 transitions. [2018-11-23 12:20:26,287 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2018-11-23 12:20:26,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 12:20:26,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:26,311 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 12:20:26,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:26,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 116 states and 191 transitions. [2018-11-23 12:20:26,327 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2018-11-23 12:20:26,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 12:20:26,329 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:26,363 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 12:20:26,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:26,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 118 states and 196 transitions. [2018-11-23 12:20:26,524 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 196 transitions. [2018-11-23 12:20:26,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 12:20:26,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:26,542 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 12:20:26,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:26,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 121 states and 199 transitions. [2018-11-23 12:20:26,662 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 199 transitions. [2018-11-23 12:20:26,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 12:20:26,663 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:26,723 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 12:20:27,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:27,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 129 states and 211 transitions. [2018-11-23 12:20:27,144 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 211 transitions. [2018-11-23 12:20:27,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 12:20:27,144 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:27,207 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 12:20:27,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:27,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 138 states and 223 transitions. [2018-11-23 12:20:27,939 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 223 transitions. [2018-11-23 12:20:27,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 12:20:27,940 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:27,984 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 12:20:27,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:27,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 120 states and 184 transitions. [2018-11-23 12:20:27,999 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 184 transitions. [2018-11-23 12:20:28,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 12:20:28,000 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:28,098 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 12:20:28,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:28,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 126 states and 197 transitions. [2018-11-23 12:20:28,726 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 197 transitions. [2018-11-23 12:20:28,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 12:20:28,727 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:28,741 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 12:20:28,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:28,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 128 states and 199 transitions. [2018-11-23 12:20:28,919 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 199 transitions. [2018-11-23 12:20:28,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 12:20:28,920 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:28,935 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 12:20:29,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:29,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 140 states and 221 transitions. [2018-11-23 12:20:29,781 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 221 transitions. [2018-11-23 12:20:29,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 12:20:29,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:29,805 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 12:20:30,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:30,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 142 states and 223 transitions. [2018-11-23 12:20:30,026 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 223 transitions. [2018-11-23 12:20:30,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 12:20:30,028 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:30,054 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 12:20:30,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:30,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 122 states and 179 transitions. [2018-11-23 12:20:30,083 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 179 transitions. [2018-11-23 12:20:30,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 12:20:30,084 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:30,106 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 12:20:30,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:30,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 124 states and 182 transitions. [2018-11-23 12:20:30,149 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 182 transitions. [2018-11-23 12:20:30,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 12:20:30,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:30,172 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 12:20:30,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:30,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 125 states and 183 transitions. [2018-11-23 12:20:30,201 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 183 transitions. [2018-11-23 12:20:30,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 12:20:30,202 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:30,216 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 12:20:30,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:30,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 53 states and 65 transitions. [2018-11-23 12:20:30,238 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2018-11-23 12:20:30,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:20:30,238 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2018-11-23 12:20:30,246 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 12:20:30,442 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-23 12:20:30,446 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:20:30,446 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:20:30,447 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-23 12:20:30,447 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:20:30,447 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:20:30,447 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:20:30,447 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-23 12:20:30,448 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:20:30,448 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:20:30,448 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:20:30,448 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:20:30,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:20:30 ImpRootNode [2018-11-23 12:20:30,449 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 12:20:30,449 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:20:30,449 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:20:30,449 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:20:30,449 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:20:23" (3/4) ... [2018-11-23 12:20:30,453 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:20:30,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 12:20:30,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 12:20:30,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 12:20:30,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 12:20:30,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 12:20:30,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 12:20:30,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 12:20:30,463 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2018-11-23 12:20:30,463 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-23 12:20:30,463 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 12:20:30,463 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 12:20:30,464 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 12:20:30,464 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:20:30,464 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:20:30,488 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || pumpRunning == \old(pumpRunning)) || systemActive == 0 [2018-11-23 12:20:30,515 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dbf5630a-7b64-4d95-8455-4ea873e2863e/bin-2019/ukojak/witness.graphml [2018-11-23 12:20:30,515 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:20:30,515 INFO L168 Benchmark]: Toolchain (without parser) took 8384.08 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 403.7 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 227.2 MB. Max. memory is 11.5 GB. [2018-11-23 12:20:30,516 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:20:30,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -210.1 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:20:30,517 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 12:20:30,517 INFO L168 Benchmark]: Boogie Preprocessor took 27.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:20:30,517 INFO L168 Benchmark]: RCFGBuilder took 630.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. [2018-11-23 12:20:30,518 INFO L168 Benchmark]: CodeCheck took 7259.09 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 230.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -45.3 MB). Peak memory consumption was 184.9 MB. Max. memory is 11.5 GB. [2018-11-23 12:20:30,518 INFO L168 Benchmark]: Witness Printer took 66.06 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2018-11-23 12:20:30,520 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 8 procedures, 68 locations, 1 error locations. SAFE Result, 7.0s OverallTime, 27 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1465314852 SDtfs, 454806060 SDslu, 796580956 SDs, 0 SdLazy, 867407228 SolverSat, 285724500 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9998 GetRequests, 9738 SyntacticMatches, 68 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15434 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1056 NumberOfCodeBlocks, 1056 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1030 ConstructedInterpolants, 0 QuantifiedInterpolants, 88984 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 337/353 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: 890]: 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: 707]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || pumpRunning == \old(pumpRunning)) || systemActive == 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && tmp == 1) && 0 == pumpRunning - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 352.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -210.1 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 630.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. * CodeCheck took 7259.09 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 230.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -45.3 MB). Peak memory consumption was 184.9 MB. Max. memory is 11.5 GB. * Witness Printer took 66.06 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...