./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_571eb850-b311-41cb-90f9-3ef5d28c39a0/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_571eb850-b311-41cb-90f9-3ef5d28c39a0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_571eb850-b311-41cb-90f9-3ef5d28c39a0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_571eb850-b311-41cb-90f9-3ef5d28c39a0/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_571eb850-b311-41cb-90f9-3ef5d28c39a0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_571eb850-b311-41cb-90f9-3ef5d28c39a0/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 dc3dd4b03388c0e9f3c50c37d63b34457af69f46 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 15:03:29,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 15:03:29,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 15:03:29,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 15:03:29,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 15:03:29,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 15:03:29,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 15:03:29,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 15:03:29,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 15:03:29,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 15:03:29,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 15:03:29,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 15:03:29,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 15:03:29,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 15:03:29,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 15:03:29,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 15:03:29,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 15:03:29,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 15:03:29,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 15:03:29,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 15:03:29,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 15:03:29,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 15:03:29,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 15:03:29,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 15:03:29,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 15:03:29,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 15:03:29,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 15:03:29,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 15:03:29,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 15:03:29,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 15:03:29,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 15:03:29,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 15:03:29,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 15:03:29,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 15:03:29,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 15:03:29,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 15:03:29,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 15:03:29,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 15:03:29,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 15:03:29,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 15:03:29,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 15:03:29,332 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_571eb850-b311-41cb-90f9-3ef5d28c39a0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 15:03:29,341 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 15:03:29,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 15:03:29,342 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 15:03:29,342 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 15:03:29,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 15:03:29,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 15:03:29,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 15:03:29,343 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 15:03:29,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 15:03:29,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 15:03:29,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 15:03:29,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 15:03:29,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 15:03:29,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 15:03:29,344 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 15:03:29,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 15:03:29,344 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 15:03:29,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 15:03:29,345 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 15:03:29,345 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 15:03:29,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 15:03:29,345 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 15:03:29,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 15:03:29,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 15:03:29,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 15:03:29,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 15:03:29,346 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 15:03:29,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 15:03:29,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 15:03:29,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_571eb850-b311-41cb-90f9-3ef5d28c39a0/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 -> dc3dd4b03388c0e9f3c50c37d63b34457af69f46 [2019-12-01 15:03:29,445 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 15:03:29,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 15:03:29,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 15:03:29,458 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 15:03:29,458 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 15:03:29,459 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_571eb850-b311-41cb-90f9-3ef5d28c39a0/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2019-12-01 15:03:29,501 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_571eb850-b311-41cb-90f9-3ef5d28c39a0/bin/ukojak/data/5c98656e6/a872f29166a344109f641c0b4756b89c/FLAG7c3567c9c [2019-12-01 15:03:29,967 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 15:03:29,967 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_571eb850-b311-41cb-90f9-3ef5d28c39a0/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2019-12-01 15:03:29,977 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_571eb850-b311-41cb-90f9-3ef5d28c39a0/bin/ukojak/data/5c98656e6/a872f29166a344109f641c0b4756b89c/FLAG7c3567c9c [2019-12-01 15:03:29,985 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_571eb850-b311-41cb-90f9-3ef5d28c39a0/bin/ukojak/data/5c98656e6/a872f29166a344109f641c0b4756b89c [2019-12-01 15:03:29,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 15:03:29,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 15:03:29,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 15:03:29,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 15:03:29,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 15:03:29,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:03:29" (1/1) ... [2019-12-01 15:03:29,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7762f741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:29, skipping insertion in model container [2019-12-01 15:03:29,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:03:29" (1/1) ... [2019-12-01 15:03:29,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 15:03:30,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 15:03:30,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 15:03:30,249 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 15:03:30,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 15:03:30,312 INFO L208 MainTranslator]: Completed translation [2019-12-01 15:03:30,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:30 WrapperNode [2019-12-01 15:03:30,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 15:03:30,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 15:03:30,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 15:03:30,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 15:03:30,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:30" (1/1) ... [2019-12-01 15:03:30,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:30" (1/1) ... [2019-12-01 15:03:30,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 15:03:30,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 15:03:30,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 15:03:30,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 15:03:30,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:30" (1/1) ... [2019-12-01 15:03:30,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:30" (1/1) ... [2019-12-01 15:03:30,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:30" (1/1) ... [2019-12-01 15:03:30,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:30" (1/1) ... [2019-12-01 15:03:30,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:30" (1/1) ... [2019-12-01 15:03:30,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:30" (1/1) ... [2019-12-01 15:03:30,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:30" (1/1) ... [2019-12-01 15:03:30,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 15:03:30,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 15:03:30,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 15:03:30,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 15:03:30,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_571eb850-b311-41cb-90f9-3ef5d28c39a0/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 [2019-12-01 15:03:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 15:03:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 15:03:30,413 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 15:03:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 15:03:30,413 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 15:03:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-12-01 15:03:30,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-12-01 15:03:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 15:03:30,414 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 15:03:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-12-01 15:03:30,414 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-12-01 15:03:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-12-01 15:03:30,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-12-01 15:03:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 15:03:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 15:03:30,414 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 15:03:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 15:03:30,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 15:03:30,955 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 15:03:30,955 INFO L287 CfgBuilder]: Removed 34 assume(true) statements. [2019-12-01 15:03:30,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:03:30 BoogieIcfgContainer [2019-12-01 15:03:30,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 15:03:30,956 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 15:03:30,956 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 15:03:30,963 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 15:03:30,964 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:03:30" (1/1) ... [2019-12-01 15:03:30,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 15:03:30,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:31,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2019-12-01 15:03:31,001 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2019-12-01 15:03:31,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 15:03:31,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:31,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:03:31,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:31,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2019-12-01 15:03:31,173 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2019-12-01 15:03:31,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 15:03:31,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:31,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:03:31,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:31,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2019-12-01 15:03:31,246 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2019-12-01 15:03:31,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 15:03:31,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:31,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:03:31,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:31,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2019-12-01 15:03:31,406 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2019-12-01 15:03:31,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 15:03:31,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:31,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:03:31,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:31,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 79 states and 117 transitions. [2019-12-01 15:03:31,810 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 117 transitions. [2019-12-01 15:03:31,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 15:03:31,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:31,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:03:31,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:31,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 86 states and 132 transitions. [2019-12-01 15:03:31,925 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 132 transitions. [2019-12-01 15:03:31,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 15:03:31,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:32,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:03:32,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:32,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 101 states and 167 transitions. [2019-12-01 15:03:32,622 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 167 transitions. [2019-12-01 15:03:32,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 15:03:32,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:32,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:03:32,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:32,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 103 states and 169 transitions. [2019-12-01 15:03:32,739 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 169 transitions. [2019-12-01 15:03:32,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 15:03:32,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:32,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:03:32,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:32,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 108 states and 177 transitions. [2019-12-01 15:03:32,888 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 177 transitions. [2019-12-01 15:03:32,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 15:03:32,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:32,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 15:03:33,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:33,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 113 states and 187 transitions. [2019-12-01 15:03:33,025 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 187 transitions. [2019-12-01 15:03:33,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 15:03:33,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:33,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 15:03:33,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:33,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 114 states and 188 transitions. [2019-12-01 15:03:33,069 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 188 transitions. [2019-12-01 15:03:33,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 15:03:33,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:33,117 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 15:03:33,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:33,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 120 states and 204 transitions. [2019-12-01 15:03:33,314 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 204 transitions. [2019-12-01 15:03:33,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 15:03:33,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:33,335 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 15:03:33,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:33,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 118 states and 200 transitions. [2019-12-01 15:03:33,349 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 200 transitions. [2019-12-01 15:03:33,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 15:03:33,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:33,522 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 15:03:33,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:33,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 121 states and 208 transitions. [2019-12-01 15:03:33,980 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 208 transitions. [2019-12-01 15:03:33,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 15:03:33,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:34,000 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 15:03:34,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:34,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 129 states and 223 transitions. [2019-12-01 15:03:34,472 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 223 transitions. [2019-12-01 15:03:34,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 15:03:34,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:34,491 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 15:03:34,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:34,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 131 states and 228 transitions. [2019-12-01 15:03:34,674 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 228 transitions. [2019-12-01 15:03:34,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 15:03:34,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:34,695 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 15:03:34,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:34,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 134 states and 231 transitions. [2019-12-01 15:03:34,854 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 231 transitions. [2019-12-01 15:03:34,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 15:03:34,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:34,926 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 15:03:35,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:35,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 145 states and 261 transitions. [2019-12-01 15:03:35,986 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 261 transitions. [2019-12-01 15:03:35,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 15:03:35,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:36,015 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 15:03:37,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:37,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 157 states and 287 transitions. [2019-12-01 15:03:37,483 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 287 transitions. [2019-12-01 15:03:37,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 15:03:37,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:37,514 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 15:03:37,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:37,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 158 states and 288 transitions. [2019-12-01 15:03:37,526 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 288 transitions. [2019-12-01 15:03:37,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 15:03:37,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:37,550 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 15:03:37,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:37,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 162 states and 295 transitions. [2019-12-01 15:03:37,730 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 295 transitions. [2019-12-01 15:03:37,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 15:03:37,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:37,757 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 15:03:37,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:37,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 164 states and 296 transitions. [2019-12-01 15:03:37,771 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 296 transitions. [2019-12-01 15:03:37,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-01 15:03:37,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:37,791 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 15:03:38,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:38,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 168 states and 306 transitions. [2019-12-01 15:03:38,135 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 306 transitions. [2019-12-01 15:03:38,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 15:03:38,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:38,151 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 15:03:38,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:38,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 169 states and 307 transitions. [2019-12-01 15:03:38,251 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 307 transitions. [2019-12-01 15:03:38,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-01 15:03:38,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:38,273 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 15:03:38,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:38,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 170 states and 308 transitions. [2019-12-01 15:03:38,384 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 308 transitions. [2019-12-01 15:03:38,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 15:03:38,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:38,412 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 15:03:38,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:38,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 168 states and 304 transitions. [2019-12-01 15:03:38,430 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 304 transitions. [2019-12-01 15:03:38,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 15:03:38,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:38,522 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 15:03:39,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:39,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 176 states and 316 transitions. [2019-12-01 15:03:39,417 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 316 transitions. [2019-12-01 15:03:39,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 15:03:39,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:39,437 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 15:03:39,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:39,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 180 states and 324 transitions. [2019-12-01 15:03:39,622 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 324 transitions. [2019-12-01 15:03:39,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-01 15:03:39,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:39,649 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 25 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 15:03:39,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:39,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 183 states and 325 transitions. [2019-12-01 15:03:39,951 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 325 transitions. [2019-12-01 15:03:39,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-01 15:03:39,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:39,983 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 15:03:40,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:40,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 185 states and 328 transitions. [2019-12-01 15:03:40,003 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 328 transitions. [2019-12-01 15:03:40,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-01 15:03:40,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:40,025 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 15:03:40,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:40,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 133 states and 205 transitions. [2019-12-01 15:03:40,632 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 205 transitions. [2019-12-01 15:03:40,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-01 15:03:40,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:40,649 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 15:03:40,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:40,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 134 states and 206 transitions. [2019-12-01 15:03:40,673 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 206 transitions. [2019-12-01 15:03:40,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-01 15:03:40,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:03:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:03:40,694 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 15:03:40,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:03:40,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 53 states and 65 transitions. [2019-12-01 15:03:40,712 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2019-12-01 15:03:40,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 15:03:40,712 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 33 iterations. [2019-12-01 15:03:40,718 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 15:03:40,939 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:03:40,942 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:03:40,942 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:03:40,942 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-12-01 15:03:40,945 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:03:40,945 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-01 15:03:40,946 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:03:40,946 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:03:40,946 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:03:40,946 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-12-01 15:03:40,947 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:03:40,947 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:03:40,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 03:03:40 ImpRootNode [2019-12-01 15:03:40,947 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 15:03:40,948 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 15:03:40,948 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 15:03:40,948 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 15:03:40,948 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:03:30" (3/4) ... [2019-12-01 15:03:40,951 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 15:03:40,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-12-01 15:03:40,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-12-01 15:03:40,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-12-01 15:03:40,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-12-01 15:03:40,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-12-01 15:03:40,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-12-01 15:03:40,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-12-01 15:03:40,961 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-12-01 15:03:40,961 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-01 15:03:40,961 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-01 15:03:40,962 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 15:03:40,962 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 15:03:40,962 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 15:03:40,963 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 15:03:40,982 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || 0 == systemActive) || !(pumpRunning == 0) [2019-12-01 15:03:41,012 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_571eb850-b311-41cb-90f9-3ef5d28c39a0/bin/ukojak/witness.graphml [2019-12-01 15:03:41,012 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 15:03:41,014 INFO L168 Benchmark]: Toolchain (without parser) took 11025.15 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 265.3 MB). Free memory was 948.9 MB in the beginning and 940.6 MB in the end (delta: 8.2 MB). Peak memory consumption was 273.5 MB. Max. memory is 11.5 GB. [2019-12-01 15:03:41,014 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 15:03:41,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -136.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-01 15:03:41,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.19 ms. Allocated memory is still 1.1 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. [2019-12-01 15:03:41,015 INFO L168 Benchmark]: Boogie Preprocessor took 22.15 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 15:03:41,015 INFO L168 Benchmark]: RCFGBuilder took 584.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. [2019-12-01 15:03:41,016 INFO L168 Benchmark]: CodeCheck took 9991.27 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 164.6 MB). Free memory was 1.0 GB in the beginning and 943.6 MB in the end (delta: 64.1 MB). Peak memory consumption was 228.7 MB. Max. memory is 11.5 GB. [2019-12-01 15:03:41,016 INFO L168 Benchmark]: Witness Printer took 64.37 ms. Allocated memory is still 1.3 GB. Free memory was 943.6 MB in the beginning and 940.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2019-12-01 15:03:41,018 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 8 procedures, 53 locations, 1 error locations. Result: SAFE, OverallTime: 9.7s, OverallIterations: 33, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1685898932 SDtfs, -1594447308 SDslu, 783834188 SDs, 0 SdLazy, -87702972 SolverSat, 330061060 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14374 GetRequests, 14044 SyntacticMatches, 90 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23793 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1410 NumberOfCodeBlocks, 1410 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1378 ConstructedInterpolants, 0 QuantifiedInterpolants, 125379 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 21 PerfectInterpolantSequences, 520/575 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: 130]: 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: 690]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || 0 == systemActive) || !(pumpRunning == 0) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: methaneLevelCritical == tmp || !(0 == tmp) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 323.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -136.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.15 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 584.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. * CodeCheck took 9991.27 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 164.6 MB). Free memory was 1.0 GB in the beginning and 943.6 MB in the end (delta: 64.1 MB). Peak memory consumption was 228.7 MB. Max. memory is 11.5 GB. * Witness Printer took 64.37 ms. Allocated memory is still 1.3 GB. Free memory was 943.6 MB in the beginning and 940.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...