./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_80daa715-2186-43d5-9a5b-72952f752d9e/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_80daa715-2186-43d5-9a5b-72952f752d9e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_80daa715-2186-43d5-9a5b-72952f752d9e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_80daa715-2186-43d5-9a5b-72952f752d9e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_80daa715-2186-43d5-9a5b-72952f752d9e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_80daa715-2186-43d5-9a5b-72952f752d9e/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 ffb924ee3454938bf87e2a52362fa3f53467287e .................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 07:53:07,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:53:07,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:53:07,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:53:07,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:53:07,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:53:07,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:53:07,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:53:07,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:53:07,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:53:07,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:53:07,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:53:07,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:53:07,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:53:07,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:53:07,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:53:07,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:53:07,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:53:07,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:53:07,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:53:07,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:53:07,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:53:07,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:53:07,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:53:07,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:53:07,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:53:07,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:53:07,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:53:07,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:53:07,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:53:07,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:53:07,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:53:07,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:53:07,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:53:07,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:53:07,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:53:07,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:53:07,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:53:07,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:53:07,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:53:07,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:53:07,227 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_80daa715-2186-43d5-9a5b-72952f752d9e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 07:53:07,242 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:53:07,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:53:07,243 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 07:53:07,243 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 07:53:07,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:53:07,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:53:07,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:53:07,244 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 07:53:07,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 07:53:07,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 07:53:07,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:53:07,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 07:53:07,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 07:53:07,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 07:53:07,245 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 07:53:07,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:53:07,246 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:53:07,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 07:53:07,246 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 07:53:07,247 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 07:53:07,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:53:07,247 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 07:53:07,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 07:53:07,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:53:07,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 07:53:07,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 07:53:07,248 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 07:53:07,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 07:53:07,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 07:53:07,249 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_80daa715-2186-43d5-9a5b-72952f752d9e/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 -> ffb924ee3454938bf87e2a52362fa3f53467287e [2019-11-20 07:53:07,381 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:53:07,393 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:53:07,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:53:07,404 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:53:07,405 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:53:07,406 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_80daa715-2186-43d5-9a5b-72952f752d9e/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2019-11-20 07:53:07,461 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_80daa715-2186-43d5-9a5b-72952f752d9e/bin/ukojak/data/dce1f58ba/815a2a305d17457da52c022b5a676e5a/FLAG12b8e7aca [2019-11-20 07:53:07,913 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:53:07,914 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_80daa715-2186-43d5-9a5b-72952f752d9e/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2019-11-20 07:53:07,928 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_80daa715-2186-43d5-9a5b-72952f752d9e/bin/ukojak/data/dce1f58ba/815a2a305d17457da52c022b5a676e5a/FLAG12b8e7aca [2019-11-20 07:53:07,951 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_80daa715-2186-43d5-9a5b-72952f752d9e/bin/ukojak/data/dce1f58ba/815a2a305d17457da52c022b5a676e5a [2019-11-20 07:53:07,954 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:53:07,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:53:07,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:53:07,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:53:07,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:53:07,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:53:07" (1/1) ... [2019-11-20 07:53:07,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67acf4cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:07, skipping insertion in model container [2019-11-20 07:53:07,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:53:07" (1/1) ... [2019-11-20 07:53:07,974 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:53:08,034 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:53:08,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:53:08,459 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:53:08,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:53:08,566 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:53:08,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:08 WrapperNode [2019-11-20 07:53:08,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:53:08,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:53:08,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:53:08,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:53:08,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:08" (1/1) ... [2019-11-20 07:53:08,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:08" (1/1) ... [2019-11-20 07:53:08,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:53:08,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:53:08,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:53:08,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:53:08,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:08" (1/1) ... [2019-11-20 07:53:08,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:08" (1/1) ... [2019-11-20 07:53:08,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:08" (1/1) ... [2019-11-20 07:53:08,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:08" (1/1) ... [2019-11-20 07:53:08,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:08" (1/1) ... [2019-11-20 07:53:08,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:08" (1/1) ... [2019-11-20 07:53:08,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:08" (1/1) ... [2019-11-20 07:53:08,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:53:08,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:53:08,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:53:08,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:53:08,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80daa715-2186-43d5-9a5b-72952f752d9e/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 [2019-11-20 07:53:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 07:53:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 07:53:08,726 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 07:53:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 07:53:08,727 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 07:53:08,727 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-20 07:53:08,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-20 07:53:08,727 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 07:53:08,727 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 07:53:08,727 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-20 07:53:08,727 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-20 07:53:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-20 07:53:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-20 07:53:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 07:53:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 07:53:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 07:53:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:53:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:53:09,600 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:53:09,600 INFO L285 CfgBuilder]: Removed 32 assume(true) statements. [2019-11-20 07:53:09,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:53:09 BoogieIcfgContainer [2019-11-20 07:53:09,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:53:09,602 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 07:53:09,602 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 07:53:09,614 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 07:53:09,615 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:53:09" (1/1) ... [2019-11-20 07:53:09,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:53:09,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:09,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 52 states and 67 transitions. [2019-11-20 07:53:09,679 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2019-11-20 07:53:09,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 07:53:09,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:09,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:53:09,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:09,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 52 states and 65 transitions. [2019-11-20 07:53:09,955 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2019-11-20 07:53:09,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 07:53:09,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:10,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:53:10,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:10,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 68 transitions. [2019-11-20 07:53:10,079 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2019-11-20 07:53:10,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 07:53:10,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:10,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:53:10,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:10,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 63 states and 85 transitions. [2019-11-20 07:53:10,397 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2019-11-20 07:53:10,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 07:53:10,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:10,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:53:11,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:11,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 78 states and 115 transitions. [2019-11-20 07:53:11,097 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 115 transitions. [2019-11-20 07:53:11,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 07:53:11,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:11,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:53:11,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:11,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 79 states and 116 transitions. [2019-11-20 07:53:11,197 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 116 transitions. [2019-11-20 07:53:11,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 07:53:11,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:11,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:53:11,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:11,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 86 states and 131 transitions. [2019-11-20 07:53:11,414 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 131 transitions. [2019-11-20 07:53:11,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 07:53:11,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:11,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:53:12,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:12,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 102 states and 162 transitions. [2019-11-20 07:53:12,880 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 162 transitions. [2019-11-20 07:53:12,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 07:53:12,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:12,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:53:12,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:12,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 103 states and 163 transitions. [2019-11-20 07:53:12,952 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 163 transitions. [2019-11-20 07:53:12,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 07:53:12,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:13,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 07:53:13,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:13,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 104 states and 164 transitions. [2019-11-20 07:53:13,021 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 164 transitions. [2019-11-20 07:53:13,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 07:53:13,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:13,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 07:53:13,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:13,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 109 states and 174 transitions. [2019-11-20 07:53:13,210 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 174 transitions. [2019-11-20 07:53:13,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 07:53:13,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:13,285 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 07:53:13,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:13,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 115 states and 189 transitions. [2019-11-20 07:53:13,606 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 189 transitions. [2019-11-20 07:53:13,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 07:53:13,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:13,914 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 07:53:14,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:14,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 118 states and 195 transitions. [2019-11-20 07:53:14,628 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2019-11-20 07:53:14,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 07:53:14,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:14,667 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 07:53:14,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:14,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 116 states and 191 transitions. [2019-11-20 07:53:14,687 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2019-11-20 07:53:14,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 07:53:14,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:14,734 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 07:53:14,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:15,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 119 states and 194 transitions. [2019-11-20 07:53:15,000 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 194 transitions. [2019-11-20 07:53:15,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 07:53:15,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:15,029 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 07:53:15,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:15,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 121 states and 199 transitions. [2019-11-20 07:53:15,299 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 199 transitions. [2019-11-20 07:53:15,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 07:53:15,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:15,436 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 07:53:16,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:16,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 129 states and 211 transitions. [2019-11-20 07:53:16,150 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 211 transitions. [2019-11-20 07:53:16,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 07:53:16,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:16,180 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 07:53:17,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:17,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 138 states and 223 transitions. [2019-11-20 07:53:17,256 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 223 transitions. [2019-11-20 07:53:17,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 07:53:17,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:17,286 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 07:53:17,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:17,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 120 states and 184 transitions. [2019-11-20 07:53:17,320 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 184 transitions. [2019-11-20 07:53:17,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 07:53:17,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:17,442 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 07:53:18,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:18,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 126 states and 197 transitions. [2019-11-20 07:53:18,367 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 197 transitions. [2019-11-20 07:53:18,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 07:53:18,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:18,397 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 07:53:18,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:18,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 128 states and 199 transitions. [2019-11-20 07:53:18,687 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 199 transitions. [2019-11-20 07:53:18,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 07:53:18,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:18,743 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 07:53:20,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:20,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 140 states and 221 transitions. [2019-11-20 07:53:20,433 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 221 transitions. [2019-11-20 07:53:20,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 07:53:20,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:20,481 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 07:53:20,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:20,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 142 states and 223 transitions. [2019-11-20 07:53:20,775 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 223 transitions. [2019-11-20 07:53:20,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 07:53:20,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:20,803 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 07:53:20,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:20,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 122 states and 179 transitions. [2019-11-20 07:53:20,830 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 179 transitions. [2019-11-20 07:53:20,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 07:53:20,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:20,857 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 07:53:20,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:20,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 124 states and 182 transitions. [2019-11-20 07:53:20,893 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 182 transitions. [2019-11-20 07:53:20,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 07:53:20,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:20,936 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 07:53:20,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:20,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 125 states and 183 transitions. [2019-11-20 07:53:20,986 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 183 transitions. [2019-11-20 07:53:20,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 07:53:20,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:53:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:53:21,055 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 07:53:21,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:53:21,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 53 states and 65 transitions. [2019-11-20 07:53:21,112 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2019-11-20 07:53:21,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 07:53:21,113 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2019-11-20 07:53:21,123 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 07:53:21,481 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-20 07:53:21,490 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:53:21,491 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:53:21,491 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-11-20 07:53:21,492 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:53:21,492 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:53:21,492 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:53:21,493 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-11-20 07:53:21,496 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:53:21,496 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:53:21,496 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:53:21,496 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:53:21,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 07:53:21 ImpRootNode [2019-11-20 07:53:21,497 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 07:53:21,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:53:21,498 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:53:21,498 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:53:21,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:53:09" (3/4) ... [2019-11-20 07:53:21,502 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 07:53:21,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-20 07:53:21,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-20 07:53:21,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-20 07:53:21,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-11-20 07:53:21,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-20 07:53:21,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-11-20 07:53:21,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-11-20 07:53:21,522 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2019-11-20 07:53:21,523 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-20 07:53:21,524 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-20 07:53:21,524 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 07:53:21,524 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 07:53:21,525 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 07:53:21,552 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == systemActive || pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0) [2019-11-20 07:53:21,602 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_80daa715-2186-43d5-9a5b-72952f752d9e/bin/ukojak/witness.graphml [2019-11-20 07:53:21,602 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:53:21,605 INFO L168 Benchmark]: Toolchain (without parser) took 13648.28 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 298.3 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -263.1 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. [2019-11-20 07:53:21,606 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:53:21,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -164.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-20 07:53:21,610 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.88 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. [2019-11-20 07:53:21,610 INFO L168 Benchmark]: Boogie Preprocessor took 30.10 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. [2019-11-20 07:53:21,610 INFO L168 Benchmark]: RCFGBuilder took 948.78 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:53:21,611 INFO L168 Benchmark]: CodeCheck took 11894.92 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 175.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -186.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:53:21,611 INFO L168 Benchmark]: Witness Printer took 104.98 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2019-11-20 07:53:21,613 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, 52 locations, 1 error locations. Result: SAFE, OverallTime: 11.4s, OverallIterations: 27, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1555492388 SDtfs, 543971884 SDslu, 970136668 SDs, 0 SdLazy, 1107490172 SolverSat, 368017236 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10033 GetRequests, 9784 SyntacticMatches, 57 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14723 ImplicationChecksByTransitivity, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1056 NumberOfCodeBlocks, 1056 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1030 ConstructedInterpolants, 0 QuantifiedInterpolants, 88984 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 337/353 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: (0 == systemActive || pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: !(0 == tmp) || tmp == methaneLevelCritical - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 608.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -164.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.88 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 30.10 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 948.78 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * CodeCheck took 11894.92 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 175.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -186.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 104.98 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...