./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_547f935c-2f91-4df4-8116-56bcd2dfdf3e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_547f935c-2f91-4df4-8116-56bcd2dfdf3e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_547f935c-2f91-4df4-8116-56bcd2dfdf3e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_547f935c-2f91-4df4-8116-56bcd2dfdf3e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_547f935c-2f91-4df4-8116-56bcd2dfdf3e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_547f935c-2f91-4df4-8116-56bcd2dfdf3e/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:00:50,960 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:00:50,961 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:00:50,969 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:00:50,970 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:00:50,970 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:00:50,971 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:00:50,973 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:00:50,974 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:00:50,974 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:00:50,975 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:00:50,975 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:00:50,976 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:00:50,976 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:00:50,977 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:00:50,977 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:00:50,977 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:00:50,978 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:00:50,980 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:00:50,980 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:00:50,981 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:00:50,981 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:00:50,982 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:00:50,982 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:00:50,983 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:00:50,983 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:00:50,983 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:00:50,984 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:00:50,984 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:00:50,985 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:00:50,985 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:00:50,986 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:00:50,986 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:00:50,986 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:00:50,987 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:00:50,987 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:00:50,987 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_547f935c-2f91-4df4-8116-56bcd2dfdf3e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 19:00:50,995 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:00:50,995 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:00:50,996 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:00:50,996 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 19:00:50,996 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 19:00:50,996 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 19:00:50,997 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:00:50,997 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:00:50,997 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:00:50,997 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:00:50,997 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:00:50,997 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:00:50,998 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:00:50,998 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:00:50,998 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:00:50,998 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:00:50,998 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 19:00:50,998 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:00:50,998 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 19:00:50,999 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 19:00:50,999 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:00:50,999 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:00:50,999 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 19:00:50,999 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:00:50,999 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:00:51,000 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:00:51,000 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 19:00:51,000 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:00:51,000 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:00:51,000 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_547f935c-2f91-4df4-8116-56bcd2dfdf3e/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f [2018-12-09 19:00:51,019 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:00:51,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:00:51,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:00:51,032 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:00:51,032 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:00:51,033 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_547f935c-2f91-4df4-8116-56bcd2dfdf3e/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c [2018-12-09 19:00:51,079 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_547f935c-2f91-4df4-8116-56bcd2dfdf3e/bin-2019/ukojak/data/b44ef059c/cee666d7bd4a4cabaab3859f3838ccd7/FLAGee97c87da [2018-12-09 19:00:51,480 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:00:51,480 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_547f935c-2f91-4df4-8116-56bcd2dfdf3e/sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c [2018-12-09 19:00:51,487 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_547f935c-2f91-4df4-8116-56bcd2dfdf3e/bin-2019/ukojak/data/b44ef059c/cee666d7bd4a4cabaab3859f3838ccd7/FLAGee97c87da [2018-12-09 19:00:51,495 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_547f935c-2f91-4df4-8116-56bcd2dfdf3e/bin-2019/ukojak/data/b44ef059c/cee666d7bd4a4cabaab3859f3838ccd7 [2018-12-09 19:00:51,496 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:00:51,497 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:00:51,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:00:51,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:00:51,500 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:00:51,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:00:51" (1/1) ... [2018-12-09 19:00:51,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c8a763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:00:51, skipping insertion in model container [2018-12-09 19:00:51,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:00:51" (1/1) ... [2018-12-09 19:00:51,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:00:51,526 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:00:51,670 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:00:51,710 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:00:51,749 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:00:51,765 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:00:51,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:00:51 WrapperNode [2018-12-09 19:00:51,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:00:51,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:00:51,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:00:51,766 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:00:51,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:00:51" (1/1) ... [2018-12-09 19:00:51,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:00:51" (1/1) ... [2018-12-09 19:00:51,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:00:51,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:00:51,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:00:51,796 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:00:51,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:00:51" (1/1) ... [2018-12-09 19:00:51,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:00:51" (1/1) ... [2018-12-09 19:00:51,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:00:51" (1/1) ... [2018-12-09 19:00:51,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:00:51" (1/1) ... [2018-12-09 19:00:51,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:00:51" (1/1) ... [2018-12-09 19:00:51,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:00:51" (1/1) ... [2018-12-09 19:00:51,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:00:51" (1/1) ... [2018-12-09 19:00:51,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:00:51,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:00:51,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:00:51,814 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:00:51,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:00:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_547f935c-2f91-4df4-8116-56bcd2dfdf3e/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 19:00:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:00:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 19:00:51,851 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 19:00:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 19:00:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 19:00:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 19:00:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 19:00:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 19:00:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 19:00:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 19:00:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 19:00:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 19:00:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 19:00:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 19:00:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 19:00:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 19:00:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 19:00:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 19:00:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:00:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:00:52,224 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:00:52,224 INFO L280 CfgBuilder]: Removed 38 assue(true) statements. [2018-12-09 19:00:52,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:00:52 BoogieIcfgContainer [2018-12-09 19:00:52,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:00:52,225 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 19:00:52,225 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 19:00:52,231 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 19:00:52,232 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:00:52" (1/1) ... [2018-12-09 19:00:52,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:00:52,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:52,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-12-09 19:00:52,263 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-12-09 19:00:52,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 19:00:52,267 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:52,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:52,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:52,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2018-12-09 19:00:52,379 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2018-12-09 19:00:52,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 19:00:52,380 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:52,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:52,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:52,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2018-12-09 19:00:52,450 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2018-12-09 19:00:52,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 19:00:52,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:52,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:52,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:52,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 68 states and 93 transitions. [2018-12-09 19:00:52,585 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2018-12-09 19:00:52,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 19:00:52,586 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:52,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:52,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:52,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 81 states and 123 transitions. [2018-12-09 19:00:52,916 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 123 transitions. [2018-12-09 19:00:52,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 19:00:52,917 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:52,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:52,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:52,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 84 states and 128 transitions. [2018-12-09 19:00:52,962 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 128 transitions. [2018-12-09 19:00:52,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 19:00:52,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:53,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:53,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:53,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 97 states and 160 transitions. [2018-12-09 19:00:53,588 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 160 transitions. [2018-12-09 19:00:53,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 19:00:53,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:53,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:53,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:53,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 104 states and 178 transitions. [2018-12-09 19:00:53,763 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 178 transitions. [2018-12-09 19:00:53,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 19:00:53,764 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:53,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:53,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:53,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 106 states and 179 transitions. [2018-12-09 19:00:53,830 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 179 transitions. [2018-12-09 19:00:53,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 19:00:53,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:53,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:54,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:54,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 108 states and 184 transitions. [2018-12-09 19:00:54,007 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2018-12-09 19:00:54,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 19:00:54,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:54,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:54,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:54,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 106 states and 178 transitions. [2018-12-09 19:00:54,063 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 178 transitions. [2018-12-09 19:00:54,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 19:00:54,064 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:54,101 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:54,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:54,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 113 states and 199 transitions. [2018-12-09 19:00:54,399 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 199 transitions. [2018-12-09 19:00:54,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 19:00:54,400 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:54,419 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:54,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:54,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 116 states and 206 transitions. [2018-12-09 19:00:54,438 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 206 transitions. [2018-12-09 19:00:54,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 19:00:54,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:54,458 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:54,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:54,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 118 states and 209 transitions. [2018-12-09 19:00:54,568 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 209 transitions. [2018-12-09 19:00:54,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 19:00:54,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:54,590 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:54,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:54,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 123 states and 224 transitions. [2018-12-09 19:00:54,689 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 224 transitions. [2018-12-09 19:00:54,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 19:00:54,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:54,703 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:54,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:54,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 124 states and 225 transitions. [2018-12-09 19:00:54,714 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 225 transitions. [2018-12-09 19:00:54,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 19:00:54,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:54,732 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:54,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:54,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 126 states and 227 transitions. [2018-12-09 19:00:54,757 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 227 transitions. [2018-12-09 19:00:54,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 19:00:54,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:54,776 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:54,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:54,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 128 states and 229 transitions. [2018-12-09 19:00:54,808 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 229 transitions. [2018-12-09 19:00:54,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 19:00:54,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:54,823 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:00:55,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:55,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 135 states and 254 transitions. [2018-12-09 19:00:55,388 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 254 transitions. [2018-12-09 19:00:55,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 19:00:55,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:55,402 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:00:55,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:55,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 137 states and 260 transitions. [2018-12-09 19:00:55,600 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 260 transitions. [2018-12-09 19:00:55,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 19:00:55,601 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:55,619 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:00:55,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:55,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 137 states and 259 transitions. [2018-12-09 19:00:55,836 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 259 transitions. [2018-12-09 19:00:55,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 19:00:55,837 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:55,873 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:56,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:56,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 141 states and 270 transitions. [2018-12-09 19:00:56,203 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 270 transitions. [2018-12-09 19:00:56,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 19:00:56,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:56,224 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:00:56,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 142 states and 272 transitions. [2018-12-09 19:00:56,335 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 272 transitions. [2018-12-09 19:00:56,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 19:00:56,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:56,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:57,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:57,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 146 states and 281 transitions. [2018-12-09 19:00:57,570 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 281 transitions. [2018-12-09 19:00:57,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 19:00:57,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:57,584 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:00:57,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:57,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 148 states and 284 transitions. [2018-12-09 19:00:57,802 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 284 transitions. [2018-12-09 19:00:57,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 19:00:57,802 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:57,813 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:00:57,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:57,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 148 states and 282 transitions. [2018-12-09 19:00:57,825 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 282 transitions. [2018-12-09 19:00:57,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:00:57,825 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:57,836 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:00:57,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:57,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 134 states and 252 transitions. [2018-12-09 19:00:57,865 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 252 transitions. [2018-12-09 19:00:57,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 19:00:57,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:57,879 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 19:00:58,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:58,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 136 states and 256 transitions. [2018-12-09 19:00:58,074 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 256 transitions. [2018-12-09 19:00:58,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 19:00:58,074 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:58,095 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 19:00:58,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:58,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 83 states and 123 transitions. [2018-12-09 19:00:58,249 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 123 transitions. [2018-12-09 19:00:58,249 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:00:58,249 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 29 iterations. [2018-12-09 19:00:58,255 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 19:00:58,410 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 19:00:58,411 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 19:00:58,412 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 19:00:58,412 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 19:00:58,412 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 19:00:58,412 INFO L583 CodeCheckObserver]: Invariant with dag size 16 [2018-12-09 19:00:58,415 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-09 19:00:58,415 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 19:00:58,415 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 19:00:58,415 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 19:00:58,415 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 19:00:58,415 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 19:00:58,416 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-09 19:00:58,416 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 19:00:58,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 07:00:58 ImpRootNode [2018-12-09 19:00:58,416 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 19:00:58,417 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:00:58,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:00:58,417 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:00:58,417 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:00:52" (3/4) ... [2018-12-09 19:00:58,419 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:00:58,423 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 19:00:58,423 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 19:00:58,423 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 19:00:58,423 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 19:00:58,423 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 19:00:58,423 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 19:00:58,423 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 19:00:58,424 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 19:00:58,429 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2018-12-09 19:00:58,429 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-12-09 19:00:58,429 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 19:00:58,429 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 19:00:58,430 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:00:58,430 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 19:00:58,447 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning)) || (0 == waterLevel && \old(pumpRunning) == pumpRunning)) || (0 == systemActive && \old(pumpRunning) == pumpRunning) [2018-12-09 19:00:58,447 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-12-09 19:00:58,466 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_547f935c-2f91-4df4-8116-56bcd2dfdf3e/bin-2019/ukojak/witness.graphml [2018-12-09 19:00:58,466 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:00:58,467 INFO L168 Benchmark]: Toolchain (without parser) took 6970.24 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 250.6 MB). Free memory was 949.5 MB in the beginning and 1.2 GB in the end (delta: -281.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:00:58,468 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:00:58,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -132.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-09 19:00:58,468 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.71 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:00:58,468 INFO L168 Benchmark]: Boogie Preprocessor took 17.56 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. [2018-12-09 19:00:58,468 INFO L168 Benchmark]: RCFGBuilder took 410.43 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. [2018-12-09 19:00:58,469 INFO L168 Benchmark]: CodeCheck took 6191.57 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 158.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -231.8 MB). Peak memory consumption was 307.8 MB. Max. memory is 11.5 GB. [2018-12-09 19:00:58,469 INFO L168 Benchmark]: Witness Printer took 49.81 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: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. [2018-12-09 19:00:58,470 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 79 locations, 1 error locations. SAFE Result, 6.0s OverallTime, 29 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 933864720 SDtfs, -2081227304 SDslu, -162893444 SDs, 0 SdLazy, 141478050 SolverSat, 1392096642 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10377 GetRequests, 10097 SyntacticMatches, 72 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20446 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 903 NumberOfCodeBlocks, 903 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 875 ConstructedInterpolants, 0 QuantifiedInterpolants, 73933 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 21 PerfectInterpolantSequences, 214/252 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 944]: 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: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning)) || (0 == waterLevel && \old(pumpRunning) == pumpRunning)) || (0 == systemActive && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: ((0 == pumpRunning && tmp == 1) && tmp == waterLevel) && tmp == systemActive - InvariantResult [Line: 891]: 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 267.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -132.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.71 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.56 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 410.43 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. * CodeCheck took 6191.57 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 158.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -231.8 MB). Peak memory consumption was 307.8 MB. Max. memory is 11.5 GB. * Witness Printer took 49.81 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: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...