./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product05_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_33da0678-86c1-4d41-ae7c-a461caa0a5d6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_33da0678-86c1-4d41-ae7c-a461caa0a5d6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_33da0678-86c1-4d41-ae7c-a461caa0a5d6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_33da0678-86c1-4d41-ae7c-a461caa0a5d6/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product05_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_33da0678-86c1-4d41-ae7c-a461caa0a5d6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_33da0678-86c1-4d41-ae7c-a461caa0a5d6/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 94f4a1e9ea07f337cfe109f71c75c9357897e0ec ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:17:09,595 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:17:09,596 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:17:09,603 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:17:09,603 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:17:09,604 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:17:09,605 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:17:09,606 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:17:09,607 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:17:09,608 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:17:09,608 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:17:09,609 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:17:09,609 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:17:09,610 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:17:09,610 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:17:09,611 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:17:09,611 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:17:09,612 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:17:09,614 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:17:09,615 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:17:09,615 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:17:09,616 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:17:09,618 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:17:09,618 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:17:09,618 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:17:09,619 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:17:09,619 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:17:09,620 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:17:09,620 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:17:09,621 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:17:09,621 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:17:09,622 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:17:09,622 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:17:09,622 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:17:09,622 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:17:09,623 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:17:09,623 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_33da0678-86c1-4d41-ae7c-a461caa0a5d6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 13:17:09,633 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:17:09,634 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:17:09,634 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:17:09,634 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:17:09,635 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:17:09,635 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:17:09,635 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:17:09,635 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:17:09,635 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:17:09,636 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:17:09,636 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:17:09,636 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:17:09,636 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:17:09,636 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:17:09,636 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:17:09,636 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:17:09,636 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:17:09,637 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:17:09,637 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 13:17:09,637 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 13:17:09,637 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:17:09,637 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:17:09,637 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:17:09,637 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:17:09,638 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:17:09,638 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:17:09,638 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 13:17:09,638 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:17:09,638 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:17:09,638 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_33da0678-86c1-4d41-ae7c-a461caa0a5d6/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 -> 94f4a1e9ea07f337cfe109f71c75c9357897e0ec [2018-11-18 13:17:09,662 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:17:09,671 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:17:09,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:17:09,675 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:17:09,675 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:17:09,676 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_33da0678-86c1-4d41-ae7c-a461caa0a5d6/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product05_true-unreach-call_false-termination.cil.c [2018-11-18 13:17:09,721 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_33da0678-86c1-4d41-ae7c-a461caa0a5d6/bin-2019/ukojak/data/f74c57109/5bc128f3b3984af48cc7e0dede61bfaf/FLAG6c20d52ba [2018-11-18 13:17:10,151 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:17:10,151 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_33da0678-86c1-4d41-ae7c-a461caa0a5d6/sv-benchmarks/c/product-lines/minepump_spec1_product05_true-unreach-call_false-termination.cil.c [2018-11-18 13:17:10,158 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_33da0678-86c1-4d41-ae7c-a461caa0a5d6/bin-2019/ukojak/data/f74c57109/5bc128f3b3984af48cc7e0dede61bfaf/FLAG6c20d52ba [2018-11-18 13:17:10,166 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_33da0678-86c1-4d41-ae7c-a461caa0a5d6/bin-2019/ukojak/data/f74c57109/5bc128f3b3984af48cc7e0dede61bfaf [2018-11-18 13:17:10,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:17:10,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:17:10,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:17:10,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:17:10,173 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:17:10,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:17:10" (1/1) ... [2018-11-18 13:17:10,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:10, skipping insertion in model container [2018-11-18 13:17:10,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:17:10" (1/1) ... [2018-11-18 13:17:10,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:17:10,214 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:17:10,409 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:17:10,417 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:17:10,528 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:17:10,548 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:17:10,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:10 WrapperNode [2018-11-18 13:17:10,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:17:10,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:17:10,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:17:10,549 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:17:10,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:10" (1/1) ... [2018-11-18 13:17:10,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:10" (1/1) ... [2018-11-18 13:17:10,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:17:10,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:17:10,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:17:10,587 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:17:10,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:10" (1/1) ... [2018-11-18 13:17:10,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:10" (1/1) ... [2018-11-18 13:17:10,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:10" (1/1) ... [2018-11-18 13:17:10,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:10" (1/1) ... [2018-11-18 13:17:10,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:10" (1/1) ... [2018-11-18 13:17:10,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:10" (1/1) ... [2018-11-18 13:17:10,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:10" (1/1) ... [2018-11-18 13:17:10,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:17:10,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:17:10,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:17:10,610 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:17:10,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_33da0678-86c1-4d41-ae7c-a461caa0a5d6/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 [2018-11-18 13:17:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:17:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 13:17:10,647 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 13:17:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 13:17:10,647 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 13:17:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 13:17:10,647 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 13:17:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 13:17:10,647 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 13:17:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 13:17:10,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 13:17:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:17:10,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:17:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 13:17:10,648 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 13:17:11,276 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:17:11,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:17:11 BoogieIcfgContainer [2018-11-18 13:17:11,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:17:11,277 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 13:17:11,277 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 13:17:11,284 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 13:17:11,284 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:17:11" (1/1) ... [2018-11-18 13:17:11,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:17:11,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:11,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2018-11-18 13:17:11,321 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2018-11-18 13:17:11,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 13:17:11,326 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:11,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:11,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:11,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2018-11-18 13:17:11,483 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2018-11-18 13:17:11,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 13:17:11,484 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:11,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:11,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:11,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2018-11-18 13:17:11,658 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2018-11-18 13:17:11,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 13:17:11,659 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:11,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:11,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2018-11-18 13:17:11,832 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2018-11-18 13:17:11,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 13:17:11,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:11,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:11,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:11,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2018-11-18 13:17:11,902 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2018-11-18 13:17:11,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 13:17:11,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:11,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:11,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:11,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 67 states and 91 transitions. [2018-11-18 13:17:11,957 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2018-11-18 13:17:11,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 13:17:11,958 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:12,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:12,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:12,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 84 states and 123 transitions. [2018-11-18 13:17:12,328 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 123 transitions. [2018-11-18 13:17:12,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 13:17:12,329 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:12,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:12,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:12,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 85 states and 124 transitions. [2018-11-18 13:17:12,380 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2018-11-18 13:17:12,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 13:17:12,381 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:12,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:13,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:13,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 103 states and 157 transitions. [2018-11-18 13:17:13,058 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 157 transitions. [2018-11-18 13:17:13,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 13:17:13,061 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:13,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:17:13,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:13,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 104 states and 158 transitions. [2018-11-18 13:17:13,100 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 158 transitions. [2018-11-18 13:17:13,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 13:17:13,101 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:13,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:17:13,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:13,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 109 states and 168 transitions. [2018-11-18 13:17:13,234 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 168 transitions. [2018-11-18 13:17:13,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 13:17:13,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:13,285 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:17:13,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:13,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 116 states and 182 transitions. [2018-11-18 13:17:13,476 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 182 transitions. [2018-11-18 13:17:13,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 13:17:13,477 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:13,500 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:17:13,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:13,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 114 states and 178 transitions. [2018-11-18 13:17:13,516 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 178 transitions. [2018-11-18 13:17:13,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 13:17:13,517 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:13,741 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 13:17:14,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:14,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 122 states and 195 transitions. [2018-11-18 13:17:14,424 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 195 transitions. [2018-11-18 13:17:14,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 13:17:14,425 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:14,448 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:17:14,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:14,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 132 states and 214 transitions. [2018-11-18 13:17:14,640 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 214 transitions. [2018-11-18 13:17:14,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 13:17:14,641 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:14,669 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:17:14,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:14,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 134 states and 218 transitions. [2018-11-18 13:17:14,845 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 218 transitions. [2018-11-18 13:17:14,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 13:17:14,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:14,869 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:17:14,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:14,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 135 states and 219 transitions. [2018-11-18 13:17:14,878 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 219 transitions. [2018-11-18 13:17:14,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 13:17:14,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:14,900 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:17:14,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:14,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 136 states and 220 transitions. [2018-11-18 13:17:14,924 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 220 transitions. [2018-11-18 13:17:14,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 13:17:14,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:14,996 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:17:15,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:15,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 151 states and 256 transitions. [2018-11-18 13:17:15,778 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 256 transitions. [2018-11-18 13:17:15,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 13:17:15,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:15,822 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:17:16,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:16,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 161 states and 283 transitions. [2018-11-18 13:17:16,656 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 283 transitions. [2018-11-18 13:17:16,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 13:17:16,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:16,678 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:17:16,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:16,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 168 states and 306 transitions. [2018-11-18 13:17:16,851 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 306 transitions. [2018-11-18 13:17:16,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 13:17:16,853 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:16,873 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:17:16,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:16,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 169 states and 307 transitions. [2018-11-18 13:17:16,890 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 307 transitions. [2018-11-18 13:17:16,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 13:17:16,892 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:16,915 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:17:16,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:16,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 170 states and 308 transitions. [2018-11-18 13:17:16,933 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 308 transitions. [2018-11-18 13:17:16,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 13:17:16,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:16,962 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:17:17,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:17,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 173 states and 311 transitions. [2018-11-18 13:17:17,142 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 311 transitions. [2018-11-18 13:17:17,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 13:17:17,143 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:17,172 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:17:17,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:17,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 174 states and 312 transitions. [2018-11-18 13:17:17,194 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 312 transitions. [2018-11-18 13:17:17,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:17:17,195 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:17,220 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 13:17:17,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:17,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 178 states and 319 transitions. [2018-11-18 13:17:17,467 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 319 transitions. [2018-11-18 13:17:17,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:17:17,468 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:17,587 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 13:17:18,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:18,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 183 states and 328 transitions. [2018-11-18 13:17:18,398 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 328 transitions. [2018-11-18 13:17:18,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:17:18,400 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:18,428 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 13:17:18,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:18,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 173 states and 304 transitions. [2018-11-18 13:17:18,625 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 304 transitions. [2018-11-18 13:17:18,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:17:18,625 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:18,642 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 13:17:18,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:18,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 171 states and 300 transitions. [2018-11-18 13:17:18,656 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 300 transitions. [2018-11-18 13:17:18,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:17:18,656 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:18,798 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:17:19,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:19,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 176 states and 307 transitions. [2018-11-18 13:17:19,281 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 307 transitions. [2018-11-18 13:17:19,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:17:19,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:19,318 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 13:17:19,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:19,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 178 states and 310 transitions. [2018-11-18 13:17:19,359 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 310 transitions. [2018-11-18 13:17:19,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:17:19,360 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:19,391 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 13:17:19,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:19,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 174 states and 298 transitions. [2018-11-18 13:17:19,428 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 298 transitions. [2018-11-18 13:17:19,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:17:19,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:19,461 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 13:17:19,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:19,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 175 states and 299 transitions. [2018-11-18 13:17:19,503 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 299 transitions. [2018-11-18 13:17:19,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:17:19,504 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:19,529 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 13:17:19,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:19,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 168 states and 286 transitions. [2018-11-18 13:17:19,562 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 286 transitions. [2018-11-18 13:17:19,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 13:17:19,563 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:19,669 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 34 proven. 19 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:17:20,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:20,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 183 states and 315 transitions. [2018-11-18 13:17:20,888 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 315 transitions. [2018-11-18 13:17:20,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 13:17:20,889 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:20,920 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 13:17:21,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:21,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 83 states and 113 transitions. [2018-11-18 13:17:21,280 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 113 transitions. [2018-11-18 13:17:21,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:17:21,281 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2018-11-18 13:17:21,287 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 13:17:21,509 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:17:21,511 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:17:21,511 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 13:17:21,514 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-18 13:17:21,515 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:17:21,515 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:17:21,515 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:17:21,515 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:17:21,515 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:17:21,515 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 13:17:21,516 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:17:21,516 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:17:21,516 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:17:21,516 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:17:21,516 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:17:21,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 01:17:21 ImpRootNode [2018-11-18 13:17:21,517 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 13:17:21,517 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:17:21,517 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:17:21,517 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:17:21,518 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:17:11" (3/4) ... [2018-11-18 13:17:21,520 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:17:21,523 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 13:17:21,524 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 13:17:21,524 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 13:17:21,524 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 13:17:21,524 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 13:17:21,524 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 13:17:21,528 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2018-11-18 13:17:21,529 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-18 13:17:21,529 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 13:17:21,548 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive [2018-11-18 13:17:21,548 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 0 || tmp == methaneLevelCritical) || !(0 == pumpRunning)) || !(pumpRunning == \old(pumpRunning)) [2018-11-18 13:17:21,582 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_33da0678-86c1-4d41-ae7c-a461caa0a5d6/bin-2019/ukojak/witness.graphml [2018-11-18 13:17:21,583 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:17:21,583 INFO L168 Benchmark]: Toolchain (without parser) took 11414.16 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 321.4 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -123.0 MB). Peak memory consumption was 198.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:17:21,584 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:17:21,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -188.1 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:17:21,584 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.35 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:17:21,585 INFO L168 Benchmark]: Boogie Preprocessor took 22.28 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:17:21,585 INFO L168 Benchmark]: RCFGBuilder took 666.83 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: 76.2 MB). Peak memory consumption was 76.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:17:21,585 INFO L168 Benchmark]: CodeCheck took 10239.73 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 168.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -16.4 MB). Peak memory consumption was 151.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:17:21,585 INFO L168 Benchmark]: Witness Printer took 65.80 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:17:21,586 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 7 procedures, 74 locations, 1 error locations. SAFE Result, 9.9s OverallTime, 36 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 743543344 SDtfs, -1415252234 SDslu, -579103324 SDs, 0 SdLazy, -1762877686 SolverSat, 319620272 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16470 GetRequests, 16081 SyntacticMatches, 147 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24942 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1720 NumberOfCodeBlocks, 1720 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1685 ConstructedInterpolants, 0 QuantifiedInterpolants, 190003 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 22 PerfectInterpolantSequences, 770/839 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: 269]: 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: 269]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: ((tmp == 0 || tmp == methaneLevelCritical) || !(0 == pumpRunning)) || !(pumpRunning == \old(pumpRunning)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -188.1 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.35 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.28 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 666.83 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: 76.2 MB). Peak memory consumption was 76.2 MB. Max. memory is 11.5 GB. * CodeCheck took 10239.73 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 168.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -16.4 MB). Peak memory consumption was 151.9 MB. Max. memory is 11.5 GB. * Witness Printer took 65.80 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...