./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4bb0a7f7-e381-4b22-8993-10253ec55314/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4bb0a7f7-e381-4b22-8993-10253ec55314/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4bb0a7f7-e381-4b22-8993-10253ec55314/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4bb0a7f7-e381-4b22-8993-10253ec55314/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4bb0a7f7-e381-4b22-8993-10253ec55314/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4bb0a7f7-e381-4b22-8993-10253ec55314/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 18788254abfa5723715f3d4730fe86dc47b8285d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:07:11,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:07:11,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:07:11,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:07:11,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:07:11,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:07:11,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:07:11,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:07:11,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:07:11,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:07:11,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:07:11,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:07:11,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:07:11,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:07:11,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:07:11,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:07:11,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:07:11,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:07:11,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:07:11,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:07:11,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:07:11,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:07:11,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:07:11,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:07:11,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:07:11,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:07:11,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:07:11,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:07:11,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:07:11,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:07:11,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:07:11,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:07:11,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:07:11,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:07:11,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:07:11,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:07:11,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:07:11,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:07:11,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:07:11,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:07:11,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:07:11,409 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4bb0a7f7-e381-4b22-8993-10253ec55314/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:07:11,458 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:07:11,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:07:11,460 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:07:11,461 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:07:11,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:07:11,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:07:11,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:07:11,462 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:07:11,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:07:11,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:07:11,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:07:11,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:07:11,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:07:11,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:07:11,465 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:07:11,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:07:11,465 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:07:11,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:07:11,466 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:07:11,466 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:07:11,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:07:11,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:07:11,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:07:11,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:07:11,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:07:11,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:07:11,468 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:07:11,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:07:11,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:07:11,470 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_4bb0a7f7-e381-4b22-8993-10253ec55314/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4bb0a7f7-e381-4b22-8993-10253ec55314/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18788254abfa5723715f3d4730fe86dc47b8285d [2020-12-01 17:07:11,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:07:11,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:07:11,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:07:11,838 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:07:11,840 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:07:11,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4bb0a7f7-e381-4b22-8993-10253ec55314/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2020-12-01 17:07:11,915 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4bb0a7f7-e381-4b22-8993-10253ec55314/bin/ukojak/data/3a7f3a17f/0afc4c30c0914901bab697cab1bb6e54/FLAG7d0c39170 [2020-12-01 17:07:12,482 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:07:12,483 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4bb0a7f7-e381-4b22-8993-10253ec55314/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2020-12-01 17:07:12,497 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4bb0a7f7-e381-4b22-8993-10253ec55314/bin/ukojak/data/3a7f3a17f/0afc4c30c0914901bab697cab1bb6e54/FLAG7d0c39170 [2020-12-01 17:07:12,785 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4bb0a7f7-e381-4b22-8993-10253ec55314/bin/ukojak/data/3a7f3a17f/0afc4c30c0914901bab697cab1bb6e54 [2020-12-01 17:07:12,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:07:12,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:07:12,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:07:12,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:07:12,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:07:12,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:07:12" (1/1) ... [2020-12-01 17:07:12,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62bcf1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:12, skipping insertion in model container [2020-12-01 17:07:12,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:07:12" (1/1) ... [2020-12-01 17:07:12,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:07:12,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:07:13,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:07:13,268 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:07:13,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:07:13,389 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:07:13,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:13 WrapperNode [2020-12-01 17:07:13,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:07:13,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:07:13,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:07:13,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:07:13,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:13" (1/1) ... [2020-12-01 17:07:13,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:13" (1/1) ... [2020-12-01 17:07:13,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:07:13,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:07:13,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:07:13,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:07:13,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:13" (1/1) ... [2020-12-01 17:07:13,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:13" (1/1) ... [2020-12-01 17:07:13,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:13" (1/1) ... [2020-12-01 17:07:13,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:13" (1/1) ... [2020-12-01 17:07:13,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:13" (1/1) ... [2020-12-01 17:07:13,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:13" (1/1) ... [2020-12-01 17:07:13,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:13" (1/1) ... [2020-12-01 17:07:13,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:07:13,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:07:13,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:07:13,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:07:13,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bb0a7f7-e381-4b22-8993-10253ec55314/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:07:13,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:07:13,597 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 17:07:13,597 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 17:07:13,597 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 17:07:13,597 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 17:07:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 17:07:13,598 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 17:07:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 17:07:13,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 17:07:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 17:07:13,598 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 17:07:13,599 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 17:07:13,599 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 17:07:13,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:07:13,599 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 17:07:13,599 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 17:07:13,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:07:13,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:07:14,695 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:07:14,696 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-12-01 17:07:14,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:07:14 BoogieIcfgContainer [2020-12-01 17:07:14,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:07:14,700 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:07:14,700 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:07:14,725 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:07:14,725 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:07:14" (1/1) ... [2020-12-01 17:07:14,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:07:14,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:14,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2020-12-01 17:07:14,793 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2020-12-01 17:07:14,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:07:14,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:15,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:15,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:15,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2020-12-01 17:07:15,106 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2020-12-01 17:07:15,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:07:15,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:15,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:15,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:15,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 59 states and 78 transitions. [2020-12-01 17:07:15,318 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2020-12-01 17:07:15,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:07:15,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:15,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:15,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:15,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 69 states and 99 transitions. [2020-12-01 17:07:15,676 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 99 transitions. [2020-12-01 17:07:15,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:07:15,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:15,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:15,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:15,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 70 states and 100 transitions. [2020-12-01 17:07:15,802 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 100 transitions. [2020-12-01 17:07:15,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:07:15,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:15,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:15,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:15,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 71 states and 101 transitions. [2020-12-01 17:07:15,922 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 101 transitions. [2020-12-01 17:07:15,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:07:15,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:16,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:16,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:16,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 72 states and 102 transitions. [2020-12-01 17:07:16,022 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 102 transitions. [2020-12-01 17:07:16,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:07:16,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:16,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:16,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:16,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 89 states and 140 transitions. [2020-12-01 17:07:16,655 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 140 transitions. [2020-12-01 17:07:16,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:07:16,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:16,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:17,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:18,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 108 states and 181 transitions. [2020-12-01 17:07:18,002 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 181 transitions. [2020-12-01 17:07:18,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:07:18,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:18,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:18,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:18,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 112 states and 187 transitions. [2020-12-01 17:07:18,185 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 187 transitions. [2020-12-01 17:07:18,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:07:18,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:18,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:18,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:18,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 117 states and 196 transitions. [2020-12-01 17:07:18,277 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 196 transitions. [2020-12-01 17:07:18,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:07:18,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:18,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:18,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:18,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 121 states and 202 transitions. [2020-12-01 17:07:18,378 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 202 transitions. [2020-12-01 17:07:18,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:07:18,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:18,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:18,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:18,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 124 states and 207 transitions. [2020-12-01 17:07:18,452 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 207 transitions. [2020-12-01 17:07:18,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:07:18,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:18,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:07:18,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:18,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 128 states and 216 transitions. [2020-12-01 17:07:18,568 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 216 transitions. [2020-12-01 17:07:18,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 17:07:18,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:18,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:07:18,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:18,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 131 states and 224 transitions. [2020-12-01 17:07:18,824 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 224 transitions. [2020-12-01 17:07:18,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 17:07:18,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:18,887 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:07:18,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:18,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 137 states and 236 transitions. [2020-12-01 17:07:18,992 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 236 transitions. [2020-12-01 17:07:18,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 17:07:18,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:19,039 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:07:19,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:19,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 141 states and 244 transitions. [2020-12-01 17:07:19,482 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 244 transitions. [2020-12-01 17:07:19,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:07:19,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:19,788 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:07:20,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:20,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 144 states and 251 transitions. [2020-12-01 17:07:20,554 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 251 transitions. [2020-12-01 17:07:20,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:07:20,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:20,609 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:07:20,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:20,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 145 states and 254 transitions. [2020-12-01 17:07:20,796 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 254 transitions. [2020-12-01 17:07:20,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:07:20,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:21,090 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:07:22,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:22,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 152 states and 267 transitions. [2020-12-01 17:07:22,186 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 267 transitions. [2020-12-01 17:07:22,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:07:22,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:22,242 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:07:22,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:22,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 159 states and 283 transitions. [2020-12-01 17:07:22,803 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 283 transitions. [2020-12-01 17:07:22,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 17:07:22,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:22,852 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:07:22,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:22,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 160 states and 284 transitions. [2020-12-01 17:07:22,872 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 284 transitions. [2020-12-01 17:07:22,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:07:22,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:22,928 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:07:23,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:23,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 167 states and 296 transitions. [2020-12-01 17:07:23,157 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 296 transitions. [2020-12-01 17:07:23,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:07:23,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:23,212 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:07:23,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:23,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 168 states and 296 transitions. [2020-12-01 17:07:23,224 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 296 transitions. [2020-12-01 17:07:23,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:07:23,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:23,352 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:07:25,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:25,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 184 states and 331 transitions. [2020-12-01 17:07:25,104 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 331 transitions. [2020-12-01 17:07:25,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:07:25,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:25,165 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:07:25,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:25,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 185 states and 332 transitions. [2020-12-01 17:07:25,185 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 332 transitions. [2020-12-01 17:07:25,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:07:25,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:25,232 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:07:26,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:26,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 197 states and 362 transitions. [2020-12-01 17:07:26,751 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 362 transitions. [2020-12-01 17:07:26,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 17:07:26,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:26,799 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:07:28,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:28,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 205 states and 381 transitions. [2020-12-01 17:07:28,505 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 381 transitions. [2020-12-01 17:07:28,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:07:28,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:28,541 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:07:28,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:28,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 206 states and 381 transitions. [2020-12-01 17:07:28,554 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 381 transitions. [2020-12-01 17:07:28,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 17:07:28,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:28,589 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:07:28,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:28,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 207 states and 382 transitions. [2020-12-01 17:07:28,608 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 382 transitions. [2020-12-01 17:07:28,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 17:07:28,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:28,644 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:07:28,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:28,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 208 states and 383 transitions. [2020-12-01 17:07:28,663 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 383 transitions. [2020-12-01 17:07:28,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 17:07:28,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:28,697 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:07:28,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:28,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 211 states and 389 transitions. [2020-12-01 17:07:28,718 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 389 transitions. [2020-12-01 17:07:28,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:07:28,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:28,760 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 17:07:29,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:29,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 219 states and 408 transitions. [2020-12-01 17:07:29,893 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 408 transitions. [2020-12-01 17:07:29,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 17:07:29,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:29,925 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:07:30,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:30,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 226 states and 420 transitions. [2020-12-01 17:07:30,441 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 420 transitions. [2020-12-01 17:07:30,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 17:07:30,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:30,486 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 17:07:31,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:31,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 229 states and 419 transitions. [2020-12-01 17:07:31,051 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 419 transitions. [2020-12-01 17:07:31,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:07:31,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:31,081 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:07:31,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:31,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 230 states and 421 transitions. [2020-12-01 17:07:31,115 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 421 transitions. [2020-12-01 17:07:31,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 17:07:31,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:31,148 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:07:31,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:31,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 231 states and 424 transitions. [2020-12-01 17:07:31,496 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 424 transitions. [2020-12-01 17:07:31,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 17:07:31,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:31,527 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:07:31,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:31,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 232 states and 425 transitions. [2020-12-01 17:07:31,585 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 425 transitions. [2020-12-01 17:07:31,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 17:07:31,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:31,636 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:07:31,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:31,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 237 states and 434 transitions. [2020-12-01 17:07:31,810 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 434 transitions. [2020-12-01 17:07:31,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 17:07:31,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:31,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:07:31,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:31,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 238 states and 434 transitions. [2020-12-01 17:07:31,882 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 434 transitions. [2020-12-01 17:07:31,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 17:07:31,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:31,921 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:07:32,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:32,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 239 states and 437 transitions. [2020-12-01 17:07:32,242 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 437 transitions. [2020-12-01 17:07:32,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 17:07:32,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:32,279 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:07:32,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:32,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 240 states and 438 transitions. [2020-12-01 17:07:32,298 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 438 transitions. [2020-12-01 17:07:32,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 17:07:32,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:32,340 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:07:32,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:32,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 245 states and 446 transitions. [2020-12-01 17:07:32,634 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 446 transitions. [2020-12-01 17:07:32,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:07:32,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:32,671 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:07:32,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:32,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 247 states and 451 transitions. [2020-12-01 17:07:32,698 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 451 transitions. [2020-12-01 17:07:32,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 17:07:32,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:32,733 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:07:32,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:32,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 250 states and 455 transitions. [2020-12-01 17:07:32,894 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 455 transitions. [2020-12-01 17:07:32,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:07:32,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:32,930 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:07:32,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:32,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 251 states and 456 transitions. [2020-12-01 17:07:32,981 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 456 transitions. [2020-12-01 17:07:32,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 17:07:32,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:33,023 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:07:33,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:33,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 252 states and 456 transitions. [2020-12-01 17:07:33,038 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 456 transitions. [2020-12-01 17:07:33,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 17:07:33,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:33,081 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:07:33,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:33,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 253 states and 457 transitions. [2020-12-01 17:07:33,101 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 457 transitions. [2020-12-01 17:07:33,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 17:07:33,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:33,140 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 17:07:33,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:33,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 256 states and 460 transitions. [2020-12-01 17:07:33,162 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 460 transitions. [2020-12-01 17:07:33,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 17:07:33,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:33,197 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 17:07:33,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:33,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 257 states and 461 transitions. [2020-12-01 17:07:33,225 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 461 transitions. [2020-12-01 17:07:33,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 17:07:33,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:33,264 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 17:07:33,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:33,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 259 states and 463 transitions. [2020-12-01 17:07:33,289 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 463 transitions. [2020-12-01 17:07:33,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 17:07:33,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:33,356 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 17:07:33,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:33,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 90 states and 120 transitions. [2020-12-01 17:07:33,375 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 120 transitions. [2020-12-01 17:07:33,376 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:07:33,376 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2020-12-01 17:07:33,384 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:07:33,751 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-12-01 17:07:33,758 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 17:07:33,759 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:07:33,759 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:07:33,759 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:07:33,760 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:07:33,760 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:07:33,760 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:07:33,760 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:07:33,760 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-12-01 17:07:33,762 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:07:33,762 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:07:33,762 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:07:33,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:07:33 ImpRootNode [2020-12-01 17:07:33,763 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:07:33,764 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:07:33,764 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:07:33,764 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:07:33,765 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:07:14" (3/4) ... [2020-12-01 17:07:33,768 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:07:33,773 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 17:07:33,773 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 17:07:33,774 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 17:07:33,774 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 17:07:33,774 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 17:07:33,774 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 17:07:33,775 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 17:07:33,782 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2020-12-01 17:07:33,783 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 17:07:33,784 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 17:07:33,784 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 17:07:33,785 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:07:33,785 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:07:33,786 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:07:33,811 WARN L220 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)) [2020-12-01 17:07:33,867 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4bb0a7f7-e381-4b22-8993-10253ec55314/bin/ukojak/witness.graphml [2020-12-01 17:07:33,867 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:07:33,869 INFO L168 Benchmark]: Toolchain (without parser) took 21078.36 ms. Allocated memory was 92.3 MB in the beginning and 373.3 MB in the end (delta: 281.0 MB). Free memory was 51.5 MB in the beginning and 263.1 MB in the end (delta: -211.6 MB). Peak memory consumption was 70.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:07:33,869 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory is still 68.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:07:33,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.17 ms. Allocated memory is still 92.3 MB. Free memory was 51.2 MB in the beginning and 59.3 MB in the end (delta: -8.1 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:07:33,871 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.36 ms. Allocated memory is still 92.3 MB. Free memory was 59.3 MB in the beginning and 56.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:07:33,871 INFO L168 Benchmark]: Boogie Preprocessor took 67.79 ms. Allocated memory is still 92.3 MB. Free memory was 56.6 MB in the beginning and 54.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:07:33,872 INFO L168 Benchmark]: RCFGBuilder took 1175.71 ms. Allocated memory is still 92.3 MB. Free memory was 54.7 MB in the beginning and 33.6 MB in the end (delta: 21.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:07:33,872 INFO L168 Benchmark]: CodeCheck took 19062.97 ms. Allocated memory was 92.3 MB in the beginning and 373.3 MB in the end (delta: 281.0 MB). Free memory was 33.1 MB in the beginning and 268.3 MB in the end (delta: -235.2 MB). Peak memory consumption was 46.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:07:33,873 INFO L168 Benchmark]: Witness Printer took 103.73 ms. Allocated memory is still 373.3 MB. Free memory was 268.3 MB in the beginning and 263.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:07:33,875 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, 57 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.6s, OverallIterations: 52, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1710681792 SDtfs, -1479723952 SDslu, -609580892 SDs, 0 SdLazy, 1217527360 SolverSat, 2134469136 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 43.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23572 GetRequests, 23264 SyntacticMatches, 30 SemanticMatches, 278 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35345 ImplicationChecksByTransitivity, 13.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2321 NumberOfCodeBlocks, 2321 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 2270 ConstructedInterpolants, 0 QuantifiedInterpolants, 207279 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 42 PerfectInterpolantSequences, 906/946 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: 879]: Loop Invariant Derived loop invariant: methaneLevelCritical == tmp || !(0 == tmp) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory is still 68.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 592.17 ms. Allocated memory is still 92.3 MB. Free memory was 51.2 MB in the beginning and 59.3 MB in the end (delta: -8.1 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.36 ms. Allocated memory is still 92.3 MB. Free memory was 59.3 MB in the beginning and 56.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.79 ms. Allocated memory is still 92.3 MB. Free memory was 56.6 MB in the beginning and 54.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1175.71 ms. Allocated memory is still 92.3 MB. Free memory was 54.7 MB in the beginning and 33.6 MB in the end (delta: 21.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. * CodeCheck took 19062.97 ms. Allocated memory was 92.3 MB in the beginning and 373.3 MB in the end (delta: 281.0 MB). Free memory was 33.1 MB in the beginning and 268.3 MB in the end (delta: -235.2 MB). Peak memory consumption was 46.8 MB. Max. memory is 16.1 GB. * Witness Printer took 103.73 ms. Allocated memory is still 373.3 MB. Free memory was 268.3 MB in the beginning and 263.1 MB in the end (delta: 5.2 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...