./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product15.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_e2d97229-11d7-4473-93a8-cab0d784931a/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e2d97229-11d7-4473-93a8-cab0d784931a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e2d97229-11d7-4473-93a8-cab0d784931a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e2d97229-11d7-4473-93a8-cab0d784931a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e2d97229-11d7-4473-93a8-cab0d784931a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e2d97229-11d7-4473-93a8-cab0d784931a/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 b5bcd967813a4771a3b092fbeb97197c1f3ff6f2 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:18:49,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:18:49,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:18:49,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:18:49,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:18:49,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:18:49,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:18:49,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:18:49,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:18:49,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:18:49,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:18:49,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:18:49,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:18:49,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:18:49,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:18:49,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:18:49,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:18:49,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:18:49,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:18:49,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:18:49,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:18:49,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:18:49,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:18:49,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:18:49,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:18:49,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:18:49,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:18:49,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:18:49,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:18:49,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:18:49,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:18:49,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:18:49,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:18:49,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:18:49,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:18:49,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:18:49,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:18:49,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:18:49,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:18:49,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:18:49,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:18:50,003 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e2d97229-11d7-4473-93a8-cab0d784931a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 00:18:50,048 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:18:50,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:18:50,050 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:18:50,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:18:50,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:18:50,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:18:50,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:18:50,053 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:18:50,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:18:50,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:18:50,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:18:50,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:18:50,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:18:50,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:18:50,056 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:18:50,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:18:50,057 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:18:50,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:18:50,057 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:18:50,058 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:18:50,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:18:50,058 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:18:50,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:18:50,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:18:50,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:18:50,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:18:50,060 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 00:18:50,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:18:50,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:18:50,061 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_e2d97229-11d7-4473-93a8-cab0d784931a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e2d97229-11d7-4473-93a8-cab0d784931a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5bcd967813a4771a3b092fbeb97197c1f3ff6f2 [2020-11-30 00:18:50,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:18:50,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:18:50,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:18:50,504 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:18:50,506 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:18:50,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e2d97229-11d7-4473-93a8-cab0d784931a/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2020-11-30 00:18:50,598 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2d97229-11d7-4473-93a8-cab0d784931a/bin/ukojak/data/c4913023f/bb8218126eb849aeba78f6b5aa30c59a/FLAGdb892686f [2020-11-30 00:18:51,403 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:18:51,404 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e2d97229-11d7-4473-93a8-cab0d784931a/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2020-11-30 00:18:51,433 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2d97229-11d7-4473-93a8-cab0d784931a/bin/ukojak/data/c4913023f/bb8218126eb849aeba78f6b5aa30c59a/FLAGdb892686f [2020-11-30 00:18:51,633 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e2d97229-11d7-4473-93a8-cab0d784931a/bin/ukojak/data/c4913023f/bb8218126eb849aeba78f6b5aa30c59a [2020-11-30 00:18:51,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:18:51,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:18:51,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:18:51,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:18:51,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:18:51,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:18:51" (1/1) ... [2020-11-30 00:18:51,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a0da86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:51, skipping insertion in model container [2020-11-30 00:18:51,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:18:51" (1/1) ... [2020-11-30 00:18:51,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:18:51,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:18:52,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:18:52,204 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:18:52,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:18:52,370 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:18:52,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:52 WrapperNode [2020-11-30 00:18:52,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:18:52,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:18:52,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:18:52,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:18:52,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:52" (1/1) ... [2020-11-30 00:18:52,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:52" (1/1) ... [2020-11-30 00:18:52,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:18:52,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:18:52,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:18:52,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:18:52,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:52" (1/1) ... [2020-11-30 00:18:52,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:52" (1/1) ... [2020-11-30 00:18:52,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:52" (1/1) ... [2020-11-30 00:18:52,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:52" (1/1) ... [2020-11-30 00:18:52,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:52" (1/1) ... [2020-11-30 00:18:52,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:52" (1/1) ... [2020-11-30 00:18:52,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:52" (1/1) ... [2020-11-30 00:18:52,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:18:52,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:18:52,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:18:52,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:18:52,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2d97229-11d7-4473-93a8-cab0d784931a/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 [2020-11-30 00:18:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:18:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-30 00:18:52,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-30 00:18:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-30 00:18:52,632 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-30 00:18:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-30 00:18:52,633 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-30 00:18:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-30 00:18:52,633 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-30 00:18:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-30 00:18:52,635 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-30 00:18:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-30 00:18:52,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-30 00:18:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-30 00:18:52,635 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-30 00:18:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:18:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-30 00:18:52,636 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-30 00:18:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:18:52,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:18:54,287 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:18:54,287 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-11-30 00:18:54,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:18:54 BoogieIcfgContainer [2020-11-30 00:18:54,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:18:54,292 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 00:18:54,292 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 00:18:54,306 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 00:18:54,306 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:18:54" (1/1) ... [2020-11-30 00:18:54,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:18:54,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:54,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 60 states and 79 transitions. [2020-11-30 00:18:54,388 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions. [2020-11-30 00:18:54,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 00:18:54,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:54,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:54,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:54,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2020-11-30 00:18:54,716 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-11-30 00:18:54,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:18:54,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:54,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:54,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:54,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 62 states and 80 transitions. [2020-11-30 00:18:54,975 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2020-11-30 00:18:54,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:18:54,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:55,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:55,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:55,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 72 states and 101 transitions. [2020-11-30 00:18:55,417 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2020-11-30 00:18:55,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 00:18:55,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:55,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:55,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:55,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 73 states and 102 transitions. [2020-11-30 00:18:55,554 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-11-30 00:18:55,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:18:55,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:55,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:56,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:56,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 89 states and 135 transitions. [2020-11-30 00:18:56,294 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 135 transitions. [2020-11-30 00:18:56,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 00:18:56,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:56,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:56,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 90 states and 136 transitions. [2020-11-30 00:18:56,406 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 136 transitions. [2020-11-30 00:18:56,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 00:18:56,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:56,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:56,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:56,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 91 states and 137 transitions. [2020-11-30 00:18:56,491 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 137 transitions. [2020-11-30 00:18:56,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 00:18:56,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:56,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:56,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:56,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 97 states and 151 transitions. [2020-11-30 00:18:56,728 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 151 transitions. [2020-11-30 00:18:56,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 00:18:56,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:56,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:56,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:56,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 98 states and 152 transitions. [2020-11-30 00:18:56,803 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 152 transitions. [2020-11-30 00:18:56,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 00:18:56,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:56,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:58,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:58,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 117 states and 193 transitions. [2020-11-30 00:18:58,639 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 193 transitions. [2020-11-30 00:18:58,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 00:18:58,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:58,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:58,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:58,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 121 states and 199 transitions. [2020-11-30 00:18:58,920 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 199 transitions. [2020-11-30 00:18:58,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 00:18:58,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:58,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:59,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:59,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 122 states and 200 transitions. [2020-11-30 00:18:59,035 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 200 transitions. [2020-11-30 00:18:59,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 00:18:59,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:59,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:59,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:59,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 126 states and 206 transitions. [2020-11-30 00:18:59,165 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 206 transitions. [2020-11-30 00:18:59,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:18:59,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:59,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:18:59,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:59,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 130 states and 215 transitions. [2020-11-30 00:18:59,297 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 215 transitions. [2020-11-30 00:18:59,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-30 00:18:59,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:59,345 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:18:59,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:59,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 136 states and 227 transitions. [2020-11-30 00:18:59,534 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 227 transitions. [2020-11-30 00:18:59,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-30 00:18:59,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:59,625 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:18:59,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:59,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 137 states and 228 transitions. [2020-11-30 00:18:59,646 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 228 transitions. [2020-11-30 00:18:59,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 00:18:59,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:59,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:19:00,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:00,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 140 states and 236 transitions. [2020-11-30 00:19:00,128 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 236 transitions. [2020-11-30 00:19:00,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-30 00:19:00,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:00,185 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:19:00,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:00,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 143 states and 243 transitions. [2020-11-30 00:19:00,808 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 243 transitions. [2020-11-30 00:19:00,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-30 00:19:00,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:00,849 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:19:00,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:00,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 144 states and 244 transitions. [2020-11-30 00:19:00,901 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 244 transitions. [2020-11-30 00:19:00,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 00:19:00,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:01,433 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 00:19:02,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:02,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 151 states and 266 transitions. [2020-11-30 00:19:02,912 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 266 transitions. [2020-11-30 00:19:02,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 00:19:02,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:02,951 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:19:03,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:03,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 158 states and 282 transitions. [2020-11-30 00:19:03,877 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 282 transitions. [2020-11-30 00:19:03,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-30 00:19:03,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:03,968 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 00:19:04,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:04,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 165 states and 294 transitions. [2020-11-30 00:19:04,291 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 294 transitions. [2020-11-30 00:19:04,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-30 00:19:04,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:04,327 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:19:04,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:04,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 166 states and 295 transitions. [2020-11-30 00:19:04,367 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 295 transitions. [2020-11-30 00:19:04,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 00:19:04,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:19:04,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:04,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 167 states and 295 transitions. [2020-11-30 00:19:04,435 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 295 transitions. [2020-11-30 00:19:04,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-30 00:19:04,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:04,489 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 00:19:04,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:04,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 168 states and 296 transitions. [2020-11-30 00:19:04,531 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 296 transitions. [2020-11-30 00:19:04,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-30 00:19:04,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:04,763 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:19:08,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:08,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 184 states and 339 transitions. [2020-11-30 00:19:08,314 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 339 transitions. [2020-11-30 00:19:08,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 00:19:08,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:08,377 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:19:10,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:10,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 196 states and 375 transitions. [2020-11-30 00:19:10,417 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 375 transitions. [2020-11-30 00:19:10,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 00:19:10,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:10,498 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:19:10,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:10,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 197 states and 375 transitions. [2020-11-30 00:19:10,515 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 375 transitions. [2020-11-30 00:19:10,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-30 00:19:10,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:10,553 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:19:13,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:13,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 205 states and 393 transitions. [2020-11-30 00:19:13,131 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 393 transitions. [2020-11-30 00:19:13,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-30 00:19:13,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:13,169 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:19:13,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:13,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 207 states and 399 transitions. [2020-11-30 00:19:13,784 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 399 transitions. [2020-11-30 00:19:13,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-30 00:19:13,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:13,828 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:19:13,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:13,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 208 states and 400 transitions. [2020-11-30 00:19:13,854 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 400 transitions. [2020-11-30 00:19:13,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-30 00:19:13,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:13,897 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:19:13,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:13,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 209 states and 401 transitions. [2020-11-30 00:19:13,924 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 401 transitions. [2020-11-30 00:19:13,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-30 00:19:13,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:13,963 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 00:19:15,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:15,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 215 states and 409 transitions. [2020-11-30 00:19:15,701 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 409 transitions. [2020-11-30 00:19:15,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-30 00:19:15,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:19:15,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:15,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 218 states and 415 transitions. [2020-11-30 00:19:15,784 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 415 transitions. [2020-11-30 00:19:15,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-30 00:19:15,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:15,832 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 00:19:16,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:16,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 223 states and 415 transitions. [2020-11-30 00:19:16,741 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 415 transitions. [2020-11-30 00:19:16,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-30 00:19:16,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:16,790 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-30 00:19:16,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:16,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 224 states and 416 transitions. [2020-11-30 00:19:16,847 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 416 transitions. [2020-11-30 00:19:16,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-30 00:19:16,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:16,959 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 00:19:17,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:17,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 231 states and 428 transitions. [2020-11-30 00:19:17,819 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 428 transitions. [2020-11-30 00:19:17,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-30 00:19:17,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:17,871 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 00:19:18,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:18,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 236 states and 437 transitions. [2020-11-30 00:19:18,061 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 437 transitions. [2020-11-30 00:19:18,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-30 00:19:18,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:18,098 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 00:19:18,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:18,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 237 states and 439 transitions. [2020-11-30 00:19:18,142 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 439 transitions. [2020-11-30 00:19:18,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-30 00:19:18,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:18,191 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 00:19:18,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:18,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 238 states and 440 transitions. [2020-11-30 00:19:18,254 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 440 transitions. [2020-11-30 00:19:18,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-30 00:19:18,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:18,304 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 00:19:18,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:18,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 239 states and 443 transitions. [2020-11-30 00:19:18,905 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 443 transitions. [2020-11-30 00:19:18,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-30 00:19:18,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:18,947 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 00:19:18,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:18,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 240 states and 443 transitions. [2020-11-30 00:19:18,963 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 443 transitions. [2020-11-30 00:19:18,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-30 00:19:18,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:19,020 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 00:19:19,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:19,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 241 states and 444 transitions. [2020-11-30 00:19:19,046 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 444 transitions. [2020-11-30 00:19:19,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-30 00:19:19,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:19,084 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 00:19:19,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:19,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 246 states and 452 transitions. [2020-11-30 00:19:19,442 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 452 transitions. [2020-11-30 00:19:19,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-30 00:19:19,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:19,487 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 00:19:19,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:19,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 247 states and 455 transitions. [2020-11-30 00:19:19,936 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 455 transitions. [2020-11-30 00:19:19,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-30 00:19:19,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:19,986 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 00:19:20,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:20,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 249 states and 460 transitions. [2020-11-30 00:19:20,029 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 460 transitions. [2020-11-30 00:19:20,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-30 00:19:20,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:20,072 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 00:19:20,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:20,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 250 states and 461 transitions. [2020-11-30 00:19:20,152 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 461 transitions. [2020-11-30 00:19:20,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-30 00:19:20,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:20,194 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 00:19:20,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:20,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 253 states and 465 transitions. [2020-11-30 00:19:20,466 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 465 transitions. [2020-11-30 00:19:20,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-30 00:19:20,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:20,507 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 00:19:20,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:20,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 254 states and 465 transitions. [2020-11-30 00:19:20,528 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 465 transitions. [2020-11-30 00:19:20,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-30 00:19:20,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:20,573 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-30 00:19:20,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:20,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 257 states and 470 transitions. [2020-11-30 00:19:20,603 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 470 transitions. [2020-11-30 00:19:20,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-30 00:19:20,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:20,644 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 00:19:20,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:20,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 258 states and 471 transitions. [2020-11-30 00:19:20,674 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 471 transitions. [2020-11-30 00:19:20,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-30 00:19:20,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:20,752 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-30 00:19:20,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:20,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 259 states and 472 transitions. [2020-11-30 00:19:20,799 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 472 transitions. [2020-11-30 00:19:20,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-30 00:19:20,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:20,848 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-30 00:19:20,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:20,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 260 states and 473 transitions. [2020-11-30 00:19:20,880 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 473 transitions. [2020-11-30 00:19:20,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-30 00:19:20,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:20,958 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-30 00:19:20,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:20,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 262 states and 475 transitions. [2020-11-30 00:19:20,998 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 475 transitions. [2020-11-30 00:19:21,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-30 00:19:21,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:21,060 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-30 00:19:21,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:21,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 88 states and 120 transitions. [2020-11-30 00:19:21,079 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2020-11-30 00:19:21,080 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:19:21,080 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2020-11-30 00:19:21,095 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 00:19:21,583 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-30 00:19:21,597 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:19:21,602 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:19:21,603 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:19:21,607 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:19:21,607 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:19:21,607 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:19:21,607 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-30 00:19:21,608 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:19:21,608 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:19:21,611 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:19:21,612 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:19:21,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 12:19:21 ImpRootNode [2020-11-30 00:19:21,613 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 00:19:21,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:19:21,613 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:19:21,614 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:19:21,615 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:18:54" (3/4) ... [2020-11-30 00:19:21,620 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:19:21,645 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-30 00:19:21,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-30 00:19:21,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-30 00:19:21,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-30 00:19:21,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-30 00:19:21,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-30 00:19:21,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-30 00:19:21,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-30 00:19:21,656 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2020-11-30 00:19:21,659 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-30 00:19:21,660 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-30 00:19:21,661 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:19:21,661 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:19:21,662 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:19:21,663 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:19:21,700 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) [2020-11-30 00:19:21,780 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e2d97229-11d7-4473-93a8-cab0d784931a/bin/ukojak/witness.graphml [2020-11-30 00:19:21,780 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:19:21,783 INFO L168 Benchmark]: Toolchain (without parser) took 30144.74 ms. Allocated memory was 96.5 MB in the beginning and 388.0 MB in the end (delta: 291.5 MB). Free memory was 64.2 MB in the beginning and 211.4 MB in the end (delta: -147.2 MB). Peak memory consumption was 145.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:21,784 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 79.7 MB. Free memory was 50.1 MB in the beginning and 50.1 MB in the end (delta: 25.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:19:21,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.31 ms. Allocated memory is still 96.5 MB. Free memory was 64.2 MB in the beginning and 63.7 MB in the end (delta: 426.0 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:21,785 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.40 ms. Allocated memory is still 96.5 MB. Free memory was 63.7 MB in the beginning and 61.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:21,785 INFO L168 Benchmark]: Boogie Preprocessor took 63.32 ms. Allocated memory is still 96.5 MB. Free memory was 61.4 MB in the beginning and 59.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:21,786 INFO L168 Benchmark]: RCFGBuilder took 1774.31 ms. Allocated memory is still 96.5 MB. Free memory was 59.7 MB in the beginning and 65.4 MB in the end (delta: -5.8 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:21,786 INFO L168 Benchmark]: CodeCheck took 27321.13 ms. Allocated memory was 96.5 MB in the beginning and 388.0 MB in the end (delta: 291.5 MB). Free memory was 65.4 MB in the beginning and 216.6 MB in the end (delta: -151.2 MB). Peak memory consumption was 140.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:21,787 INFO L168 Benchmark]: Witness Printer took 167.36 ms. Allocated memory is still 388.0 MB. Free memory was 216.6 MB in the beginning and 211.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:21,791 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 9 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.7s, OverallIterations: 56, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1738390448 SDtfs, 2109413392 SDslu, -1541091932 SDs, 0 SdLazy, 718977472 SolverSat, 247911584 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 75.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26076 GetRequests, 25785 SyntacticMatches, 25 SemanticMatches, 266 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32489 ImplicationChecksByTransitivity, 19.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 2508 NumberOfCodeBlocks, 2508 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2453 ConstructedInterpolants, 0 QuantifiedInterpolants, 224274 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 55 InterpolantComputations, 48 PerfectInterpolantSequences, 983/1019 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: 311]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 79.7 MB. Free memory was 50.1 MB in the beginning and 50.1 MB in the end (delta: 25.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 729.31 ms. Allocated memory is still 96.5 MB. Free memory was 64.2 MB in the beginning and 63.7 MB in the end (delta: 426.0 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.40 ms. Allocated memory is still 96.5 MB. Free memory was 63.7 MB in the beginning and 61.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.32 ms. Allocated memory is still 96.5 MB. Free memory was 61.4 MB in the beginning and 59.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1774.31 ms. Allocated memory is still 96.5 MB. Free memory was 59.7 MB in the beginning and 65.4 MB in the end (delta: -5.8 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. * CodeCheck took 27321.13 ms. Allocated memory was 96.5 MB in the beginning and 388.0 MB in the end (delta: 291.5 MB). Free memory was 65.4 MB in the beginning and 216.6 MB in the end (delta: -151.2 MB). Peak memory consumption was 140.0 MB. Max. memory is 16.1 GB. * Witness Printer took 167.36 ms. Allocated memory is still 388.0 MB. Free memory was 216.6 MB in the beginning and 211.4 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...