./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1560a4d0-c796-45cf-8e65-3ff51f3393f4/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1560a4d0-c796-45cf-8e65-3ff51f3393f4/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1560a4d0-c796-45cf-8e65-3ff51f3393f4/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1560a4d0-c796-45cf-8e65-3ff51f3393f4/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1560a4d0-c796-45cf-8e65-3ff51f3393f4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1560a4d0-c796-45cf-8e65-3ff51f3393f4/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 caf966c06e7a2ed1fef83368f628eae41da528db .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:34:30,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:34:30,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:34:30,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:34:30,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:34:30,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:34:30,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:34:30,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:34:30,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:34:30,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:34:30,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:34:30,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:34:30,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:34:30,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:34:30,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:34:30,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:34:30,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:34:30,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:34:30,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:34:30,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:34:30,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:34:30,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:34:30,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:34:30,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:34:30,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:34:30,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:34:30,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:34:30,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:34:30,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:34:30,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:34:30,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:34:30,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:34:30,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:34:30,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:34:30,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:34:30,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:34:30,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:34:30,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:34:30,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:34:30,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:34:30,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:34:30,806 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1560a4d0-c796-45cf-8e65-3ff51f3393f4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:34:30,838 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:34:30,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:34:30,839 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:34:30,839 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:34:30,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:34:30,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:34:30,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:34:30,840 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:34:30,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:34:30,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:34:30,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:34:30,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:34:30,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:34:30,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:34:30,841 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:34:30,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:34:30,842 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:34:30,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:34:30,842 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:34:30,842 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:34:30,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:34:30,843 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:34:30,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:34:30,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:34:30,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:34:30,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:34:30,844 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:34:30,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:34:30,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:34:30,844 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_1560a4d0-c796-45cf-8e65-3ff51f3393f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1560a4d0-c796-45cf-8e65-3ff51f3393f4/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caf966c06e7a2ed1fef83368f628eae41da528db [2020-11-28 04:34:31,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:34:31,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:34:31,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:34:31,114 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:34:31,115 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:34:31,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1560a4d0-c796-45cf-8e65-3ff51f3393f4/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2020-11-28 04:34:31,191 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1560a4d0-c796-45cf-8e65-3ff51f3393f4/bin/ukojak/data/a946518e3/4f39d8bb9d93437c885e89befa85035d/FLAG441d73b34 [2020-11-28 04:34:31,661 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:34:31,662 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1560a4d0-c796-45cf-8e65-3ff51f3393f4/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2020-11-28 04:34:31,683 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1560a4d0-c796-45cf-8e65-3ff51f3393f4/bin/ukojak/data/a946518e3/4f39d8bb9d93437c885e89befa85035d/FLAG441d73b34 [2020-11-28 04:34:32,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1560a4d0-c796-45cf-8e65-3ff51f3393f4/bin/ukojak/data/a946518e3/4f39d8bb9d93437c885e89befa85035d [2020-11-28 04:34:32,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:34:32,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:34:32,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:34:32,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:34:32,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:34:32,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:34:32" (1/1) ... [2020-11-28 04:34:32,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ce02f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:32, skipping insertion in model container [2020-11-28 04:34:32,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:34:32" (1/1) ... [2020-11-28 04:34:32,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:34:32,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:34:32,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:34:32,409 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:34:32,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:34:32,564 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:34:32,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:32 WrapperNode [2020-11-28 04:34:32,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:34:32,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:34:32,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:34:32,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:34:32,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:32" (1/1) ... [2020-11-28 04:34:32,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:32" (1/1) ... [2020-11-28 04:34:32,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:34:32,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:34:32,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:34:32,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:34:32,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:32" (1/1) ... [2020-11-28 04:34:32,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:32" (1/1) ... [2020-11-28 04:34:32,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:32" (1/1) ... [2020-11-28 04:34:32,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:32" (1/1) ... [2020-11-28 04:34:32,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:32" (1/1) ... [2020-11-28 04:34:32,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:32" (1/1) ... [2020-11-28 04:34:32,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:32" (1/1) ... [2020-11-28 04:34:32,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:34:32,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:34:32,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:34:32,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:34:32,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1560a4d0-c796-45cf-8e65-3ff51f3393f4/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 [2020-11-28 04:34:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:34:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:34:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:34:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:34:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:34:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:34:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:34:32,774 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:34:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:34:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-28 04:34:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-28 04:34:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:34:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:34:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:34:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:34:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:34:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:34:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:34:33,998 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:34:33,998 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-11-28 04:34:34,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:34 BoogieIcfgContainer [2020-11-28 04:34:34,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:34:34,001 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:34:34,002 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:34:34,012 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:34:34,013 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:34" (1/1) ... [2020-11-28 04:34:34,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:34:34,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:34,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2020-11-28 04:34:34,075 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2020-11-28 04:34:34,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:34:34,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:34,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:34,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:34,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2020-11-28 04:34:34,371 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-11-28 04:34:34,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:34:34,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:34,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:34,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:34,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2020-11-28 04:34:34,554 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2020-11-28 04:34:34,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:34:34,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:34,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:34,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:34,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 59 states and 79 transitions. [2020-11-28 04:34:34,835 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2020-11-28 04:34:34,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:34:34,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:34,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:35,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:35,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 93 transitions. [2020-11-28 04:34:35,310 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-11-28 04:34:35,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:34:35,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:35,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:35,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:35,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2020-11-28 04:34:35,411 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2020-11-28 04:34:35,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:34:35,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:35,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:35,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:35,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 95 transitions. [2020-11-28 04:34:35,461 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2020-11-28 04:34:35,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:34:35,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:35,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:36,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:36,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 83 states and 128 transitions. [2020-11-28 04:34:36,546 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2020-11-28 04:34:36,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 04:34:36,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:36,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:37,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:37,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 92 states and 148 transitions. [2020-11-28 04:34:37,435 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 148 transitions. [2020-11-28 04:34:37,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:34:37,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:37,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:37,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:37,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 93 states and 149 transitions. [2020-11-28 04:34:37,588 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 149 transitions. [2020-11-28 04:34:37,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:34:37,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:37,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:37,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:37,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 102 states and 167 transitions. [2020-11-28 04:34:37,940 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 167 transitions. [2020-11-28 04:34:37,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:34:37,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:37,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:38,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:38,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 103 states and 168 transitions. [2020-11-28 04:34:38,028 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 168 transitions. [2020-11-28 04:34:38,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:34:38,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:38,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:38,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:38,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 105 states and 169 transitions. [2020-11-28 04:34:38,252 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 169 transitions. [2020-11-28 04:34:38,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-28 04:34:38,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:38,283 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:34:38,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:38,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 111 states and 182 transitions. [2020-11-28 04:34:38,414 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 182 transitions. [2020-11-28 04:34:38,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:34:38,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:38,442 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:34:38,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:38,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 112 states and 183 transitions. [2020-11-28 04:34:38,451 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 183 transitions. [2020-11-28 04:34:38,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:34:38,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:38,481 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:34:38,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:38,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 113 states and 186 transitions. [2020-11-28 04:34:38,689 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 186 transitions. [2020-11-28 04:34:38,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:34:38,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:38,729 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:34:38,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:38,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 114 states and 189 transitions. [2020-11-28 04:34:38,760 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 189 transitions. [2020-11-28 04:34:38,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:34:38,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:38,807 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:34:39,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:39,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 117 states and 196 transitions. [2020-11-28 04:34:39,212 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 196 transitions. [2020-11-28 04:34:39,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:34:39,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:39,260 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:34:39,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:39,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 122 states and 203 transitions. [2020-11-28 04:34:39,510 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 203 transitions. [2020-11-28 04:34:39,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 04:34:39,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:39,546 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:34:39,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:39,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 123 states and 205 transitions. [2020-11-28 04:34:39,576 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 205 transitions. [2020-11-28 04:34:39,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:34:39,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:39,707 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:34:40,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:40,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 135 states and 238 transitions. [2020-11-28 04:34:40,559 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 238 transitions. [2020-11-28 04:34:40,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 04:34:40,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:40,874 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:42,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:42,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 143 states and 256 transitions. [2020-11-28 04:34:42,812 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 256 transitions. [2020-11-28 04:34:42,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 04:34:42,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:42,857 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:34:42,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:42,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 144 states and 257 transitions. [2020-11-28 04:34:42,874 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 257 transitions. [2020-11-28 04:34:42,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 04:34:42,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:42,929 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:34:42,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:42,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 145 states and 258 transitions. [2020-11-28 04:34:42,954 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 258 transitions. [2020-11-28 04:34:42,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:34:42,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:43,001 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:34:43,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:43,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 148 states and 261 transitions. [2020-11-28 04:34:43,794 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 261 transitions. [2020-11-28 04:34:43,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-28 04:34:43,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:43,822 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:34:44,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:44,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 151 states and 262 transitions. [2020-11-28 04:34:44,622 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 262 transitions. [2020-11-28 04:34:44,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:34:44,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:44,652 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:34:45,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:45,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 151 states and 259 transitions. [2020-11-28 04:34:45,189 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 259 transitions. [2020-11-28 04:34:45,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:34:45,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:45,222 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-28 04:34:45,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:45,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 157 states and 268 transitions. [2020-11-28 04:34:45,252 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 268 transitions. [2020-11-28 04:34:45,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:34:45,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:45,283 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-28 04:34:45,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:45,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 158 states and 268 transitions. [2020-11-28 04:34:45,299 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 268 transitions. [2020-11-28 04:34:45,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:34:45,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:45,332 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-28 04:34:45,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:45,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 159 states and 269 transitions. [2020-11-28 04:34:45,352 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 269 transitions. [2020-11-28 04:34:45,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:34:45,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:45,390 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-28 04:34:45,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:45,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 66 states and 93 transitions. [2020-11-28 04:34:45,408 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2020-11-28 04:34:45,408 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:34:45,408 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2020-11-28 04:34:45,417 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:34:45,717 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2020-11-28 04:34:45,723 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:34:45,724 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:34:45,724 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:34:45,724 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:34:45,724 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:34:45,724 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:34:45,724 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:34:45,725 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:34:45,725 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:34:45,725 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-28 04:34:45,726 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:34:45,726 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:34:45,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:34:45 ImpRootNode [2020-11-28 04:34:45,727 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:34:45,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:34:45,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:34:45,728 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:34:45,728 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:34" (3/4) ... [2020-11-28 04:34:45,731 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:34:45,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:34:45,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:34:45,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:34:45,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:34:45,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:34:45,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:34:45,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-28 04:34:45,744 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-11-28 04:34:45,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 04:34:45,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:34:45,746 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:34:45,746 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:34:45,747 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:34:45,748 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:34:45,772 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) [2020-11-28 04:34:45,843 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1560a4d0-c796-45cf-8e65-3ff51f3393f4/bin/ukojak/witness.graphml [2020-11-28 04:34:45,844 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:34:45,846 INFO L168 Benchmark]: Toolchain (without parser) took 13822.23 ms. Allocated memory was 113.2 MB in the beginning and 237.0 MB in the end (delta: 123.7 MB). Free memory was 84.0 MB in the beginning and 206.0 MB in the end (delta: -122.0 MB). Peak memory consumption was 134.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:34:45,847 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 77.6 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:34:45,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.45 ms. Allocated memory is still 113.2 MB. Free memory was 84.0 MB in the beginning and 79.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:34:45,848 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.22 ms. Allocated memory is still 113.2 MB. Free memory was 79.7 MB in the beginning and 77.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:34:45,848 INFO L168 Benchmark]: Boogie Preprocessor took 31.87 ms. Allocated memory is still 113.2 MB. Free memory was 77.2 MB in the beginning and 75.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:34:45,848 INFO L168 Benchmark]: RCFGBuilder took 1347.83 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 75.1 MB in the beginning and 110.8 MB in the end (delta: -35.7 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:34:45,849 INFO L168 Benchmark]: CodeCheck took 11725.28 ms. Allocated memory was 136.3 MB in the beginning and 237.0 MB in the end (delta: 100.7 MB). Free memory was 110.8 MB in the beginning and 76.7 MB in the end (delta: 34.1 MB). Peak memory consumption was 134.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:34:45,850 INFO L168 Benchmark]: Witness Printer took 116.83 ms. Allocated memory is still 237.0 MB. Free memory was 76.7 MB in the beginning and 206.0 MB in the end (delta: -129.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:34:45,852 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 8 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.3s, OverallIterations: 31, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -569686324 SDtfs, 786391900 SDslu, 633941132 SDs, 0 SdLazy, 161593692 SolverSat, -939450708 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8865 GetRequests, 8669 SyntacticMatches, 30 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11211 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 916 NumberOfCodeBlocks, 916 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 886 ConstructedInterpolants, 0 QuantifiedInterpolants, 69103 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 26 PerfectInterpolantSequences, 230/247 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: 652]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && tmp == systemActive) && tmp == waterLevel - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 77.6 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 540.45 ms. Allocated memory is still 113.2 MB. Free memory was 84.0 MB in the beginning and 79.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.22 ms. Allocated memory is still 113.2 MB. Free memory was 79.7 MB in the beginning and 77.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.87 ms. Allocated memory is still 113.2 MB. Free memory was 77.2 MB in the beginning and 75.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1347.83 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 75.1 MB in the beginning and 110.8 MB in the end (delta: -35.7 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. * CodeCheck took 11725.28 ms. Allocated memory was 136.3 MB in the beginning and 237.0 MB in the end (delta: 100.7 MB). Free memory was 110.8 MB in the beginning and 76.7 MB in the end (delta: 34.1 MB). Peak memory consumption was 134.8 MB. Max. memory is 16.1 GB. * Witness Printer took 116.83 ms. Allocated memory is still 237.0 MB. Free memory was 76.7 MB in the beginning and 206.0 MB in the end (delta: -129.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...