./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ad95310f-527e-4909-bbca-a48907cfe5da/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ad95310f-527e-4909-bbca-a48907cfe5da/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ad95310f-527e-4909-bbca-a48907cfe5da/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ad95310f-527e-4909-bbca-a48907cfe5da/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ad95310f-527e-4909-bbca-a48907cfe5da/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ad95310f-527e-4909-bbca-a48907cfe5da/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d8dfaf8ef68175aa3f4082d006a42419867490ad ............................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 18:24:40,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:24:40,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:24:40,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:24:40,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:24:40,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:24:40,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:24:40,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:24:40,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:24:40,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:24:40,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:24:40,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:24:40,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:24:40,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:24:40,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:24:40,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:24:40,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:24:40,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:24:40,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:24:40,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:24:40,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:24:40,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:24:40,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:24:40,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:24:40,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:24:40,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:24:40,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:24:40,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:24:40,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:24:40,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:24:40,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:24:40,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:24:40,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:24:40,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:24:40,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:24:40,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:24:40,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:24:40,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:24:40,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:24:40,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:24:40,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:24:40,980 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ad95310f-527e-4909-bbca-a48907cfe5da/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:24:41,028 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:24:41,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:24:41,030 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:24:41,031 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:24:41,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:24:41,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:24:41,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:24:41,033 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:24:41,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:24:41,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:24:41,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:24:41,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:24:41,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:24:41,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:24:41,034 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:24:41,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:24:41,035 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:24:41,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:24:41,036 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:24:41,036 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:24:41,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:24:41,036 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:24:41,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:24:41,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:24:41,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:24:41,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:24:41,038 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:24:41,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:24:41,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:24:41,039 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_ad95310f-527e-4909-bbca-a48907cfe5da/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ad95310f-527e-4909-bbca-a48907cfe5da/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8dfaf8ef68175aa3f4082d006a42419867490ad [2020-12-01 18:24:41,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:24:41,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:24:41,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:24:41,393 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:24:41,394 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:24:41,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ad95310f-527e-4909-bbca-a48907cfe5da/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2020-12-01 18:24:41,481 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ad95310f-527e-4909-bbca-a48907cfe5da/bin/ukojak/data/2cdfd1dbd/8ce4fda00963452a8da75240923067c3/FLAGe83caa8f3 [2020-12-01 18:24:42,324 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:24:42,326 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ad95310f-527e-4909-bbca-a48907cfe5da/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2020-12-01 18:24:42,349 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ad95310f-527e-4909-bbca-a48907cfe5da/bin/ukojak/data/2cdfd1dbd/8ce4fda00963452a8da75240923067c3/FLAGe83caa8f3 [2020-12-01 18:24:42,563 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ad95310f-527e-4909-bbca-a48907cfe5da/bin/ukojak/data/2cdfd1dbd/8ce4fda00963452a8da75240923067c3 [2020-12-01 18:24:42,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:24:42,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:24:42,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:24:42,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:24:42,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:24:42,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:24:42" (1/1) ... [2020-12-01 18:24:42,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730bb6bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:42, skipping insertion in model container [2020-12-01 18:24:42,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:24:42" (1/1) ... [2020-12-01 18:24:42,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:24:42,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:24:43,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:24:43,122 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:24:43,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:24:43,315 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:24:43,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:43 WrapperNode [2020-12-01 18:24:43,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:24:43,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:24:43,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:24:43,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:24:43,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:43" (1/1) ... [2020-12-01 18:24:43,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:43" (1/1) ... [2020-12-01 18:24:43,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:24:43,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:24:43,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:24:43,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:24:43,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:43" (1/1) ... [2020-12-01 18:24:43,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:43" (1/1) ... [2020-12-01 18:24:43,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:43" (1/1) ... [2020-12-01 18:24:43,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:43" (1/1) ... [2020-12-01 18:24:43,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:43" (1/1) ... [2020-12-01 18:24:43,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:43" (1/1) ... [2020-12-01 18:24:43,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:43" (1/1) ... [2020-12-01 18:24:43,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:24:43,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:24:43,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:24:43,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:24:43,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad95310f-527e-4909-bbca-a48907cfe5da/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 [2020-12-01 18:24:43,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:24:43,553 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 18:24:43,553 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 18:24:43,553 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 18:24:43,553 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 18:24:43,553 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 18:24:43,554 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 18:24:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 18:24:43,554 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 18:24:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 18:24:43,554 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 18:24:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 18:24:43,555 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 18:24:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-12-01 18:24:43,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-12-01 18:24:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 18:24:43,555 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 18:24:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:24:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 18:24:43,556 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 18:24:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:24:43,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:24:45,163 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:24:45,163 INFO L298 CfgBuilder]: Removed 34 assume(true) statements. [2020-12-01 18:24:45,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:24:45 BoogieIcfgContainer [2020-12-01 18:24:45,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:24:45,168 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:24:45,169 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:24:45,182 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:24:45,182 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:24:45" (1/1) ... [2020-12-01 18:24:45,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:24:45,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:45,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 82 transitions. [2020-12-01 18:24:45,257 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2020-12-01 18:24:45,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 18:24:45,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:45,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:45,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:45,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2020-12-01 18:24:45,680 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2020-12-01 18:24:45,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:24:45,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:45,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:45,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:45,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 65 states and 83 transitions. [2020-12-01 18:24:45,876 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2020-12-01 18:24:45,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 18:24:45,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:46,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:46,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:46,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2020-12-01 18:24:46,346 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2020-12-01 18:24:46,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 18:24:46,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:46,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:46,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:46,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 75 states and 101 transitions. [2020-12-01 18:24:46,540 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2020-12-01 18:24:46,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 18:24:46,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:46,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:46,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:46,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 76 states and 102 transitions. [2020-12-01 18:24:46,665 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2020-12-01 18:24:46,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:24:46,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:46,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:47,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:47,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 91 states and 131 transitions. [2020-12-01 18:24:47,551 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2020-12-01 18:24:47,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:24:47,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:47,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:47,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:47,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 92 states and 132 transitions. [2020-12-01 18:24:47,702 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 132 transitions. [2020-12-01 18:24:47,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:24:47,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:47,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:49,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:49,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 110 states and 171 transitions. [2020-12-01 18:24:49,970 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 171 transitions. [2020-12-01 18:24:49,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:24:49,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:50,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:50,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:50,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 112 states and 176 transitions. [2020-12-01 18:24:50,394 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 176 transitions. [2020-12-01 18:24:50,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:24:50,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:50,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:50,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:50,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 110 states and 170 transitions. [2020-12-01 18:24:50,504 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 170 transitions. [2020-12-01 18:24:50,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 18:24:50,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:50,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:24:50,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:50,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 111 states and 171 transitions. [2020-12-01 18:24:50,589 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 171 transitions. [2020-12-01 18:24:50,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:24:50,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:50,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:24:50,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:50,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 116 states and 180 transitions. [2020-12-01 18:24:50,902 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 180 transitions. [2020-12-01 18:24:50,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 18:24:50,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:50,970 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:24:51,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:51,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 121 states and 189 transitions. [2020-12-01 18:24:51,155 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 189 transitions. [2020-12-01 18:24:51,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 18:24:51,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:51,267 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:24:51,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:51,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 122 states and 190 transitions. [2020-12-01 18:24:51,298 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 190 transitions. [2020-12-01 18:24:51,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 18:24:51,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:51,748 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:24:53,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:53,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 125 states and 197 transitions. [2020-12-01 18:24:53,397 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 197 transitions. [2020-12-01 18:24:53,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 18:24:53,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:53,459 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:24:53,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:53,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 128 states and 203 transitions. [2020-12-01 18:24:53,737 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 203 transitions. [2020-12-01 18:24:53,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 18:24:53,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:53,811 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 18:24:55,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:55,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 134 states and 221 transitions. [2020-12-01 18:24:55,295 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 221 transitions. [2020-12-01 18:24:55,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 18:24:55,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:55,357 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 18:24:57,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:57,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 146 states and 246 transitions. [2020-12-01 18:24:57,674 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 246 transitions. [2020-12-01 18:24:57,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 18:24:57,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:57,752 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 18:24:57,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:57,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 147 states and 247 transitions. [2020-12-01 18:24:57,780 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 247 transitions. [2020-12-01 18:24:57,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 18:24:57,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:57,854 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:24:58,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:58,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 153 states and 260 transitions. [2020-12-01 18:24:58,794 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 260 transitions. [2020-12-01 18:24:58,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-01 18:24:58,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:58,852 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 18:24:58,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:58,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 156 states and 265 transitions. [2020-12-01 18:24:58,879 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 265 transitions. [2020-12-01 18:24:58,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 18:24:58,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:58,955 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-12-01 18:24:58,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:58,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 157 states and 266 transitions. [2020-12-01 18:24:58,993 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 266 transitions. [2020-12-01 18:24:58,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 18:24:58,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:59,061 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 18:24:59,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:59,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 67 states and 82 transitions. [2020-12-01 18:24:59,092 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 82 transitions. [2020-12-01 18:24:59,093 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:24:59,094 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2020-12-01 18:24:59,105 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:24:59,461 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:24:59,465 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:24:59,465 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-12-01 18:24:59,470 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:24:59,471 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:24:59,471 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:24:59,471 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 18:24:59,472 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 18:24:59,473 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:24:59,474 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 18:24:59,475 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:24:59,475 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:24:59,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:24:59 ImpRootNode [2020-12-01 18:24:59,476 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:24:59,477 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:24:59,477 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:24:59,477 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:24:59,478 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:24:45" (3/4) ... [2020-12-01 18:24:59,483 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:24:59,489 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 18:24:59,490 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 18:24:59,490 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 18:24:59,490 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 18:24:59,490 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 18:24:59,490 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 18:24:59,497 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 18:24:59,498 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-12-01 18:24:59,498 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-12-01 18:24:59,508 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2020-12-01 18:24:59,523 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-12-01 18:24:59,523 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 18:24:59,524 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 18:24:59,525 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 18:24:59,528 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:24:59,529 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:24:59,567 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive [2020-12-01 18:24:59,568 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-12-01 18:24:59,629 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ad95310f-527e-4909-bbca-a48907cfe5da/bin/ukojak/witness.graphml [2020-12-01 18:24:59,629 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:24:59,633 INFO L168 Benchmark]: Toolchain (without parser) took 17059.74 ms. Allocated memory was 92.3 MB in the beginning and 224.4 MB in the end (delta: 132.1 MB). Free memory was 67.7 MB in the beginning and 110.2 MB in the end (delta: -42.5 MB). Peak memory consumption was 92.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:24:59,634 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 73.4 MB. Free memory is still 43.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:24:59,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.18 ms. Allocated memory is still 92.3 MB. Free memory was 67.6 MB in the beginning and 46.5 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:24:59,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.24 ms. Allocated memory is still 92.3 MB. Free memory was 46.5 MB in the beginning and 44.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:24:59,636 INFO L168 Benchmark]: Boogie Preprocessor took 89.48 ms. Allocated memory is still 92.3 MB. Free memory was 44.0 MB in the beginning and 42.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:24:59,637 INFO L168 Benchmark]: RCFGBuilder took 1684.83 ms. Allocated memory is still 92.3 MB. Free memory was 42.1 MB in the beginning and 44.4 MB in the end (delta: -2.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:24:59,637 INFO L168 Benchmark]: CodeCheck took 14307.85 ms. Allocated memory was 92.3 MB in the beginning and 224.4 MB in the end (delta: 132.1 MB). Free memory was 44.3 MB in the beginning and 115.4 MB in the end (delta: -71.1 MB). Peak memory consumption was 61.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:24:59,638 INFO L168 Benchmark]: Witness Printer took 152.25 ms. Allocated memory is still 224.4 MB. Free memory was 115.4 MB in the beginning and 110.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:24:59,640 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.8s, OverallIterations: 24, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 185322788 SDtfs, 53131308 SDslu, 89607484 SDs, 0 SdLazy, 82583340 SolverSat, 26544868 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9188 GetRequests, 9024 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10046 ImplicationChecksByTransitivity, 9.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 976 NumberOfCodeBlocks, 976 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 953 ConstructedInterpolants, 0 QuantifiedInterpolants, 86078 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 19 PerfectInterpolantSequences, 267/277 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: 3]: 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: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && tmp == systemActive) && tmp == 1) && pumpRunning == 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 73.4 MB. Free memory is still 43.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 744.18 ms. Allocated memory is still 92.3 MB. Free memory was 67.6 MB in the beginning and 46.5 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.24 ms. Allocated memory is still 92.3 MB. Free memory was 46.5 MB in the beginning and 44.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.48 ms. Allocated memory is still 92.3 MB. Free memory was 44.0 MB in the beginning and 42.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1684.83 ms. Allocated memory is still 92.3 MB. Free memory was 42.1 MB in the beginning and 44.4 MB in the end (delta: -2.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * CodeCheck took 14307.85 ms. Allocated memory was 92.3 MB in the beginning and 224.4 MB in the end (delta: 132.1 MB). Free memory was 44.3 MB in the beginning and 115.4 MB in the end (delta: -71.1 MB). Peak memory consumption was 61.0 MB. Max. memory is 16.1 GB. * Witness Printer took 152.25 ms. Allocated memory is still 224.4 MB. Free memory was 115.4 MB in the beginning and 110.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...