./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6ac8ac01-1c12-4dc2-9872-96f7ece9b4ee/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6ac8ac01-1c12-4dc2-9872-96f7ece9b4ee/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6ac8ac01-1c12-4dc2-9872-96f7ece9b4ee/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6ac8ac01-1c12-4dc2-9872-96f7ece9b4ee/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6ac8ac01-1c12-4dc2-9872-96f7ece9b4ee/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6ac8ac01-1c12-4dc2-9872-96f7ece9b4ee/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 bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:11:24,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:11:24,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:11:24,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:11:24,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:11:24,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:11:24,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:11:24,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:11:24,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:11:24,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:11:24,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:11:24,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:11:24,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:11:24,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:11:24,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:11:24,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:11:24,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:11:24,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:11:24,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:11:24,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:11:24,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:11:24,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:11:24,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:11:24,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:11:24,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:11:24,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:11:24,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:11:24,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:11:24,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:11:24,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:11:24,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:11:24,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:11:24,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:11:24,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:11:24,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:11:24,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:11:24,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:11:24,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:11:24,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:11:24,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:11:24,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:11:24,100 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6ac8ac01-1c12-4dc2-9872-96f7ece9b4ee/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:11:24,115 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:11:24,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:11:24,115 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:11:24,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:11:24,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:11:24,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:11:24,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:11:24,117 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:11:24,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:11:24,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:11:24,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:11:24,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:11:24,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:11:24,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:11:24,118 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:11:24,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:11:24,118 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:11:24,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:11:24,119 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:11:24,119 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:11:24,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:11:24,119 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:11:24,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:11:24,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:11:24,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:11:24,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:11:24,120 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:11:24,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:11:24,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:11:24,121 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_6ac8ac01-1c12-4dc2-9872-96f7ece9b4ee/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 -> bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f [2019-10-22 10:11:24,149 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:11:24,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:11:24,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:11:24,164 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:11:24,164 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:11:24,164 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6ac8ac01-1c12-4dc2-9872-96f7ece9b4ee/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2019-10-22 10:11:24,210 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ac8ac01-1c12-4dc2-9872-96f7ece9b4ee/bin/ukojak/data/e060cd822/b4682b66a56e456890f5b153675e706d/FLAGe89596667 [2019-10-22 10:11:24,629 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:11:24,630 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6ac8ac01-1c12-4dc2-9872-96f7ece9b4ee/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2019-10-22 10:11:24,638 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ac8ac01-1c12-4dc2-9872-96f7ece9b4ee/bin/ukojak/data/e060cd822/b4682b66a56e456890f5b153675e706d/FLAGe89596667 [2019-10-22 10:11:24,949 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6ac8ac01-1c12-4dc2-9872-96f7ece9b4ee/bin/ukojak/data/e060cd822/b4682b66a56e456890f5b153675e706d [2019-10-22 10:11:24,951 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:11:24,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:11:24,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:11:24,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:11:24,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:11:24,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:11:24" (1/1) ... [2019-10-22 10:11:24,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39a736b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:24, skipping insertion in model container [2019-10-22 10:11:24,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:11:24" (1/1) ... [2019-10-22 10:11:24,969 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:11:25,004 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:11:25,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:11:25,369 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:11:25,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:11:25,475 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:11:25,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25 WrapperNode [2019-10-22 10:11:25,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:11:25,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:11:25,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:11:25,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:11:25,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:11:25,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:11:25,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:11:25,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:11:25,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:11:25,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:11:25,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:11:25,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:11:25,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ac8ac01-1c12-4dc2-9872-96f7ece9b4ee/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:11:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:11:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:11:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:11:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:11:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:11:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:11:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:11:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:11:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:11:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-22 10:11:25,622 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-22 10:11:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-22 10:11:25,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-22 10:11:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-22 10:11:25,622 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-22 10:11:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:11:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:11:25,622 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:11:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:11:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:11:26,390 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:11:26,391 INFO L284 CfgBuilder]: Removed 38 assume(true) statements. [2019-10-22 10:11:26,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:11:26 BoogieIcfgContainer [2019-10-22 10:11:26,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:11:26,393 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:11:26,393 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:11:26,404 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:11:26,404 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:11:26" (1/1) ... [2019-10-22 10:11:26,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:11:26,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:26,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2019-10-22 10:11:26,453 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-10-22 10:11:26,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:11:26,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:26,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:26,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:26,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2019-10-22 10:11:26,708 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2019-10-22 10:11:26,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:11:26,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:26,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:26,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:26,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2019-10-22 10:11:26,855 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2019-10-22 10:11:26,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:11:26,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:26,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:27,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:27,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 68 states and 93 transitions. [2019-10-22 10:11:27,138 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2019-10-22 10:11:27,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:11:27,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:27,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:27,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:27,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 81 states and 123 transitions. [2019-10-22 10:11:27,723 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 123 transitions. [2019-10-22 10:11:27,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:11:27,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:27,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:27,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:27,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 84 states and 128 transitions. [2019-10-22 10:11:27,819 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 128 transitions. [2019-10-22 10:11:27,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:11:27,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:28,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:28,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:28,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 97 states and 160 transitions. [2019-10-22 10:11:28,833 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 160 transitions. [2019-10-22 10:11:28,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:11:28,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:28,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:29,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:29,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 103 states and 178 transitions. [2019-10-22 10:11:29,127 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 178 transitions. [2019-10-22 10:11:29,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:11:29,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:29,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:29,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:29,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 106 states and 179 transitions. [2019-10-22 10:11:29,270 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 179 transitions. [2019-10-22 10:11:29,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 10:11:29,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:29,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:29,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:29,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 108 states and 184 transitions. [2019-10-22 10:11:29,505 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2019-10-22 10:11:29,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 10:11:29,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:29,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:29,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:29,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 106 states and 178 transitions. [2019-10-22 10:11:29,577 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 178 transitions. [2019-10-22 10:11:29,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 10:11:29,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:29,650 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:30,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:30,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 113 states and 199 transitions. [2019-10-22 10:11:30,164 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 199 transitions. [2019-10-22 10:11:30,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 10:11:30,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:30,202 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:30,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:30,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 116 states and 206 transitions. [2019-10-22 10:11:30,224 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 206 transitions. [2019-10-22 10:11:30,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 10:11:30,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:30,250 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:30,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:30,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 118 states and 209 transitions. [2019-10-22 10:11:30,388 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 209 transitions. [2019-10-22 10:11:30,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 10:11:30,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:30,419 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:30,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:30,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 123 states and 224 transitions. [2019-10-22 10:11:30,584 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 224 transitions. [2019-10-22 10:11:30,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 10:11:30,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:30,615 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:30,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:30,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 124 states and 225 transitions. [2019-10-22 10:11:30,630 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 225 transitions. [2019-10-22 10:11:30,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 10:11:30,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:30,655 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:30,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:30,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 126 states and 227 transitions. [2019-10-22 10:11:30,691 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 227 transitions. [2019-10-22 10:11:30,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 10:11:30,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:30,718 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:30,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:30,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 128 states and 229 transitions. [2019-10-22 10:11:30,769 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 229 transitions. [2019-10-22 10:11:30,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-22 10:11:30,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:30,805 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 10:11:31,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:31,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 135 states and 255 transitions. [2019-10-22 10:11:31,571 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 255 transitions. [2019-10-22 10:11:31,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 10:11:31,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:31,603 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 10:11:32,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:32,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 135 states and 253 transitions. [2019-10-22 10:11:32,081 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 253 transitions. [2019-10-22 10:11:32,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 10:11:32,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:32,115 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 10:11:32,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:32,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 137 states and 259 transitions. [2019-10-22 10:11:32,441 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 259 transitions. [2019-10-22 10:11:32,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 10:11:32,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:32,467 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:33,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:33,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 141 states and 270 transitions. [2019-10-22 10:11:33,052 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 270 transitions. [2019-10-22 10:11:33,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 10:11:33,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:33,382 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:35,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:35,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 146 states and 285 transitions. [2019-10-22 10:11:35,218 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 285 transitions. [2019-10-22 10:11:35,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 10:11:35,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:35,244 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:35,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:35,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 148 states and 289 transitions. [2019-10-22 10:11:35,611 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 289 transitions. [2019-10-22 10:11:35,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:11:35,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:35,645 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 10:11:36,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:36,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 151 states and 294 transitions. [2019-10-22 10:11:36,188 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 294 transitions. [2019-10-22 10:11:36,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:11:36,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:36,219 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 10:11:36,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:36,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 151 states and 292 transitions. [2019-10-22 10:11:36,244 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 292 transitions. [2019-10-22 10:11:36,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-22 10:11:36,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:36,271 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 10:11:36,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:36,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 137 states and 262 transitions. [2019-10-22 10:11:36,290 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 262 transitions. [2019-10-22 10:11:36,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 10:11:36,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:36,320 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-22 10:11:36,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:36,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 141 states and 271 transitions. [2019-10-22 10:11:36,832 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 271 transitions. [2019-10-22 10:11:36,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-22 10:11:36,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:36,958 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 31 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:38,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:38,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 99 states and 155 transitions. [2019-10-22 10:11:38,060 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 155 transitions. [2019-10-22 10:11:38,061 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:11:38,061 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 29 iterations. [2019-10-22 10:11:38,070 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:11:38,387 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:38,391 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:38,392 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:38,392 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:38,392 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:38,392 INFO L575 CodeCheckObserver]: Invariant with dag size 16 [2019-10-22 10:11:38,398 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:38,399 INFO L575 CodeCheckObserver]: Invariant with dag size 3 [2019-10-22 10:11:38,399 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:38,399 INFO L575 CodeCheckObserver]: Invariant with dag size 15 [2019-10-22 10:11:38,400 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:38,400 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:38,400 INFO L575 CodeCheckObserver]: Invariant with dag size 11 [2019-10-22 10:11:38,401 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:38,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:11:38 ImpRootNode [2019-10-22 10:11:38,401 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:11:38,402 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:11:38,402 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:11:38,406 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:11:38,406 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:11:26" (3/4) ... [2019-10-22 10:11:38,410 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:11:38,417 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-10-22 10:11:38,417 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-10-22 10:11:38,417 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-10-22 10:11:38,417 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-10-22 10:11:38,418 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-10-22 10:11:38,418 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-10-22 10:11:38,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-10-22 10:11:38,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-10-22 10:11:38,428 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2019-10-22 10:11:38,428 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2019-10-22 10:11:38,429 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 10:11:38,429 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 10:11:38,429 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:11:38,429 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:11:38,472 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || ((pumpRunning == \old(pumpRunning) && 0 == waterLevel) && !(0 == systemActive)) [2019-10-22 10:11:38,473 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-10-22 10:11:38,473 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(pumpRunning == \old(pumpRunning))) || \old(waterLevel) == tmp) || tmp == waterLevel) || !(pumpRunning == 0) [2019-10-22 10:11:38,524 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6ac8ac01-1c12-4dc2-9872-96f7ece9b4ee/bin/ukojak/witness.graphml [2019-10-22 10:11:38,524 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:11:38,526 INFO L168 Benchmark]: Toolchain (without parser) took 13573.77 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 335.5 MB). Free memory was 940.5 MB in the beginning and 853.1 MB in the end (delta: 87.3 MB). Peak memory consumption was 422.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:38,527 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:11:38,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:38,528 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:11:38,528 INFO L168 Benchmark]: Boogie Preprocessor took 34.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:38,528 INFO L168 Benchmark]: RCFGBuilder took 829.43 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:38,529 INFO L168 Benchmark]: CodeCheck took 12008.58 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 207.1 MB). Free memory was 1.0 GB in the beginning and 866.5 MB in the end (delta: 168.3 MB). Peak memory consumption was 375.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:38,529 INFO L168 Benchmark]: Witness Printer took 122.49 ms. Allocated memory is still 1.4 GB. Free memory was 866.5 MB in the beginning and 853.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:38,530 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 9 procedures, 57 locations, 1 error locations. Result: SAFE, OverallTime: 11.6s, OverallIterations: 29, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 933864992 SDtfs, -2085421528 SDslu, -167088194 SDs, 0 SdLazy, 133085604 SolverSat, 1383711046 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10495 GetRequests, 10174 SyntacticMatches, 83 SemanticMatches, 238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26870 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 907 NumberOfCodeBlocks, 907 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 879 ConstructedInterpolants, 0 QuantifiedInterpolants, 79907 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 22 PerfectInterpolantSequences, 223/253 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: 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: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || ((pumpRunning == \old(pumpRunning) && 0 == waterLevel) && !(0 == systemActive)) - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(pumpRunning == \old(pumpRunning))) || \old(waterLevel) == tmp) || tmp == waterLevel) || !(pumpRunning == 0) - 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: ((1 == tmp && pumpRunning == 0) && 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 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 523.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.16 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 34.01 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 829.43 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * CodeCheck took 12008.58 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 207.1 MB). Free memory was 1.0 GB in the beginning and 866.5 MB in the end (delta: 168.3 MB). Peak memory consumption was 375.4 MB. Max. memory is 11.5 GB. * Witness Printer took 122.49 ms. Allocated memory is still 1.4 GB. Free memory was 866.5 MB in the beginning and 853.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...