./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_94b05e8f-9b4d-40df-9016-c5674a2a0cd1/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_94b05e8f-9b4d-40df-9016-c5674a2a0cd1/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_94b05e8f-9b4d-40df-9016-c5674a2a0cd1/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_94b05e8f-9b4d-40df-9016-c5674a2a0cd1/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_94b05e8f-9b4d-40df-9016-c5674a2a0cd1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_94b05e8f-9b4d-40df-9016-c5674a2a0cd1/bin/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 920725b4778fe7902e2cc2a93ab39c30358d9d16 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:11:25,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:11:25,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:11:25,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:11:25,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:11:25,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:11:25,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:11:25,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:11:25,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:11:25,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:11:25,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:11:25,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:11:25,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:11:25,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:11:25,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:11:25,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:11:25,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:11:25,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:11:25,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:11:25,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:11:25,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:11:25,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:11:25,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:11:25,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:11:25,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:11:25,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:11:25,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:11:25,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:11:25,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:11:25,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:11:25,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:11:25,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:11:25,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:11:25,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:11:25,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:11:25,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:11:25,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:11:25,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:11:25,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:11:25,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:11:25,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:11:25,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_94b05e8f-9b4d-40df-9016-c5674a2a0cd1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:11:25,339 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:11:25,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:11:25,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:11:25,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:11:25,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:11:25,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:11:25,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:11:25,341 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:11:25,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:11:25,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:11:25,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:11:25,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:11:25,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:11:25,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:11:25,342 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:11:25,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:11:25,342 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:11:25,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:11:25,343 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:11:25,343 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:11:25,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:11:25,343 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:11:25,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:11:25,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:11:25,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:11:25,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:11:25,344 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:11:25,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:11:25,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:11:25,344 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_94b05e8f-9b4d-40df-9016-c5674a2a0cd1/bin/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 -> 920725b4778fe7902e2cc2a93ab39c30358d9d16 [2019-10-22 10:11:25,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:11:25,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:11:25,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:11:25,401 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:11:25,402 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:11:25,403 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_94b05e8f-9b4d-40df-9016-c5674a2a0cd1/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2019-10-22 10:11:25,455 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94b05e8f-9b4d-40df-9016-c5674a2a0cd1/bin/ukojak/data/50b5cfc74/2217fdc80aff4d98bd1d1de96491bc44/FLAG362bffdb4 [2019-10-22 10:11:25,919 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:11:25,930 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_94b05e8f-9b4d-40df-9016-c5674a2a0cd1/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2019-10-22 10:11:25,943 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94b05e8f-9b4d-40df-9016-c5674a2a0cd1/bin/ukojak/data/50b5cfc74/2217fdc80aff4d98bd1d1de96491bc44/FLAG362bffdb4 [2019-10-22 10:11:25,959 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_94b05e8f-9b4d-40df-9016-c5674a2a0cd1/bin/ukojak/data/50b5cfc74/2217fdc80aff4d98bd1d1de96491bc44 [2019-10-22 10:11:25,963 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:11:25,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:11:25,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:11:25,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:11:25,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:11:25,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ecdc418 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25, skipping insertion in model container [2019-10-22 10:11:25,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,979 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:11:26,019 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:11:26,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:11:26,332 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:11:26,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:11:26,449 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:11:26,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:26 WrapperNode [2019-10-22 10:11:26,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:11:26,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:11:26,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:11:26,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:11:26,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:26" (1/1) ... [2019-10-22 10:11:26,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:26" (1/1) ... [2019-10-22 10:11:26,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:11:26,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:11:26,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:11:26,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:11:26,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:26" (1/1) ... [2019-10-22 10:11:26,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:26" (1/1) ... [2019-10-22 10:11:26,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:26" (1/1) ... [2019-10-22 10:11:26,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:26" (1/1) ... [2019-10-22 10:11:26,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:26" (1/1) ... [2019-10-22 10:11:26,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:26" (1/1) ... [2019-10-22 10:11:26,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:26" (1/1) ... [2019-10-22 10:11:26,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:11:26,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:11:26,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:11:26,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:11:26,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94b05e8f-9b4d-40df-9016-c5674a2a0cd1/bin/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 [2019-10-22 10:11:26,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:11:26,600 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:11:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:11:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:11:26,601 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:11:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:11:26,601 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:11:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:11:26,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:11:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:11:26,602 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:11:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:11:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:11:26,602 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:11:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:11:26,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:11:27,473 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:11:27,474 INFO L284 CfgBuilder]: Removed 34 assume(true) statements. [2019-10-22 10:11:27,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:11:27 BoogieIcfgContainer [2019-10-22 10:11:27,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:11:27,477 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:11:27,477 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:11:27,488 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:11:27,489 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:11:27" (1/1) ... [2019-10-22 10:11:27,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:11:27,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:27,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2019-10-22 10:11:27,543 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2019-10-22 10:11:27,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:11:27,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:27,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:27,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:27,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2019-10-22 10:11:27,816 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2019-10-22 10:11:27,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:11:27,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:27,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:27,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:27,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2019-10-22 10:11:27,915 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2019-10-22 10:11:27,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:11:27,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:28,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:28,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:28,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 79 transitions. [2019-10-22 10:11:28,152 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2019-10-22 10:11:28,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:11:28,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:28,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:28,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:28,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 58 states and 80 transitions. [2019-10-22 10:11:28,209 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2019-10-22 10:11:28,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:11:28,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:28,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:28,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:28,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2019-10-22 10:11:28,259 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2019-10-22 10:11:28,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 10:11:28,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:28,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:28,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:28,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 69 states and 102 transitions. [2019-10-22 10:11:28,596 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2019-10-22 10:11:28,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:11:28,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:28,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:29,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:29,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 84 states and 133 transitions. [2019-10-22 10:11:29,356 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 133 transitions. [2019-10-22 10:11:29,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 10:11:29,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:29,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:29,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:29,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 85 states and 136 transitions. [2019-10-22 10:11:29,492 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 136 transitions. [2019-10-22 10:11:29,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 10:11:29,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:29,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:29,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:29,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 91 states and 144 transitions. [2019-10-22 10:11:29,883 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 144 transitions. [2019-10-22 10:11:29,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:11:29,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:29,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:30,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:30,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 92 states and 145 transitions. [2019-10-22 10:11:30,028 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 145 transitions. [2019-10-22 10:11:30,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 10:11:30,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:30,099 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:11:30,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:30,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 98 states and 157 transitions. [2019-10-22 10:11:30,303 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2019-10-22 10:11:30,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:11:30,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:30,333 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:11:30,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:30,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 96 states and 153 transitions. [2019-10-22 10:11:30,366 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2019-10-22 10:11:30,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:11:30,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:30,698 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:11:31,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:31,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 103 states and 172 transitions. [2019-10-22 10:11:31,567 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 172 transitions. [2019-10-22 10:11:31,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-22 10:11:31,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:31,603 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:11:31,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:31,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 112 states and 190 transitions. [2019-10-22 10:11:31,889 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 190 transitions. [2019-10-22 10:11:31,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:11:31,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:31,919 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:11:32,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:32,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 114 states and 194 transitions. [2019-10-22 10:11:32,123 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 194 transitions. [2019-10-22 10:11:32,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:11:32,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:32,154 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:11:32,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:32,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 115 states and 195 transitions. [2019-10-22 10:11:32,167 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 195 transitions. [2019-10-22 10:11:32,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:11:32,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:32,222 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:11:32,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:32,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 116 states and 196 transitions. [2019-10-22 10:11:32,244 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 196 transitions. [2019-10-22 10:11:32,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:11:32,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:32,339 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:11:33,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:33,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 133 states and 246 transitions. [2019-10-22 10:11:33,761 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 246 transitions. [2019-10-22 10:11:33,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:11:33,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:33,793 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:11:33,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:33,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 134 states and 247 transitions. [2019-10-22 10:11:33,808 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 247 transitions. [2019-10-22 10:11:33,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:11:33,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:33,838 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:11:33,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:33,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 135 states and 248 transitions. [2019-10-22 10:11:33,862 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 248 transitions. [2019-10-22 10:11:33,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:11:33,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:33,892 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:11:33,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:33,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 136 states and 249 transitions. [2019-10-22 10:11:33,995 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 249 transitions. [2019-10-22 10:11:33,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:11:33,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:34,024 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:11:35,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:35,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 145 states and 275 transitions. [2019-10-22 10:11:35,162 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 275 transitions. [2019-10-22 10:11:35,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-22 10:11:35,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:35,210 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-22 10:11:35,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:35,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 149 states and 282 transitions. [2019-10-22 10:11:35,481 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 282 transitions. [2019-10-22 10:11:35,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-22 10:11:35,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:35,649 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-22 10:11:36,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:36,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 153 states and 290 transitions. [2019-10-22 10:11:36,778 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 290 transitions. [2019-10-22 10:11:36,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-22 10:11:36,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:36,807 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-22 10:11:37,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:37,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 144 states and 267 transitions. [2019-10-22 10:11:37,054 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 267 transitions. [2019-10-22 10:11:37,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-22 10:11:37,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:37,099 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-22 10:11:37,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:37,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 142 states and 263 transitions. [2019-10-22 10:11:37,127 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 263 transitions. [2019-10-22 10:11:37,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-22 10:11:37,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:37,171 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:11:37,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:37,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 148 states and 276 transitions. [2019-10-22 10:11:37,793 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 276 transitions. [2019-10-22 10:11:37,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-22 10:11:37,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:37,822 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-22 10:11:37,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:37,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 148 states and 275 transitions. [2019-10-22 10:11:37,860 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 275 transitions. [2019-10-22 10:11:37,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-22 10:11:37,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:37,887 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-22 10:11:37,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:37,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 150 states and 278 transitions. [2019-10-22 10:11:37,909 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 278 transitions. [2019-10-22 10:11:37,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-22 10:11:37,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:38,070 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 10:11:38,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:38,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 152 states and 279 transitions. [2019-10-22 10:11:38,471 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 279 transitions. [2019-10-22 10:11:38,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-22 10:11:38,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:38,503 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-22 10:11:38,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:38,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 148 states and 269 transitions. [2019-10-22 10:11:38,533 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 269 transitions. [2019-10-22 10:11:38,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-22 10:11:38,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:38,569 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-22 10:11:38,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:38,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 149 states and 270 transitions. [2019-10-22 10:11:38,601 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 270 transitions. [2019-10-22 10:11:38,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-22 10:11:38,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:38,645 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-22 10:11:38,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:38,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 142 states and 257 transitions. [2019-10-22 10:11:38,673 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 257 transitions. [2019-10-22 10:11:38,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-22 10:11:38,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:38,732 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-22 10:11:40,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:40,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 153 states and 278 transitions. [2019-10-22 10:11:40,086 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 278 transitions. [2019-10-22 10:11:40,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-22 10:11:40,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:40,120 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-10-22 10:11:40,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:40,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 76 states and 107 transitions. [2019-10-22 10:11:40,784 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2019-10-22 10:11:40,784 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:11:40,784 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2019-10-22 10:11:40,794 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:11:41,101 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:41,106 INFO L575 CodeCheckObserver]: Invariant with dag size 9 [2019-10-22 10:11:41,110 INFO L575 CodeCheckObserver]: Invariant with dag size 11 [2019-10-22 10:11:41,111 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:41,111 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:41,111 INFO L575 CodeCheckObserver]: Invariant with dag size 12 [2019-10-22 10:11:41,114 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:41,114 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:41,114 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:41,114 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:41,114 INFO L575 CodeCheckObserver]: Invariant with dag size 9 [2019-10-22 10:11:41,115 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:41,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:11:41 ImpRootNode [2019-10-22 10:11:41,115 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:11:41,116 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:11:41,116 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:11:41,116 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:11:41,116 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:11:27" (3/4) ... [2019-10-22 10:11:41,123 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:11:41,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-10-22 10:11:41,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-10-22 10:11:41,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-10-22 10:11:41,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-10-22 10:11:41,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-10-22 10:11:41,130 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-10-22 10:11:41,136 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-10-22 10:11:41,138 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-10-22 10:11:41,138 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 10:11:41,138 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 10:11:41,139 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:11:41,139 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:11:41,177 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2019-10-22 10:11:41,178 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) [2019-10-22 10:11:41,179 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == methaneLevelCritical || !(pumpRunning == 0)) || !(pumpRunning == \old(pumpRunning))) || 0 == tmp [2019-10-22 10:11:41,234 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_94b05e8f-9b4d-40df-9016-c5674a2a0cd1/bin/ukojak/witness.graphml [2019-10-22 10:11:41,234 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:11:41,236 INFO L168 Benchmark]: Toolchain (without parser) took 15271.60 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 374.3 MB). Free memory was 946.1 MB in the beginning and 1.3 GB in the end (delta: -324.5 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:41,237 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:11:41,237 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:41,238 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:11:41,238 INFO L168 Benchmark]: Boogie Preprocessor took 27.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:41,238 INFO L168 Benchmark]: RCFGBuilder took 948.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:41,239 INFO L168 Benchmark]: CodeCheck took 13638.57 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 239.6 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -234.4 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:41,239 INFO L168 Benchmark]: Witness Printer took 118.30 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:41,241 INFO L335 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, 46 locations, 1 error locations. Result: SAFE, OverallTime: 13.2s, OverallIterations: 36, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1682393136 SDtfs, -1107219502 SDslu, -564854060 SDs, 0 SdLazy, -1901607150 SolverSat, -1327082160 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15624 GetRequests, 15243 SyntacticMatches, 141 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23715 ImplicationChecksByTransitivity, 9.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1581 NumberOfCodeBlocks, 1581 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1546 ConstructedInterpolants, 0 QuantifiedInterpolants, 160652 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 23 PerfectInterpolantSequences, 698/772 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 206]: 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: 462]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: ((tmp == methaneLevelCritical || !(pumpRunning == 0)) || !(pumpRunning == \old(pumpRunning))) || 0 == tmp - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 484.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 948.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 11.5 GB. * CodeCheck took 13638.57 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 239.6 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -234.4 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. * Witness Printer took 118.30 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...