./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f46c5bec-9096-4769-a921-c1e5cd0c9204/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f46c5bec-9096-4769-a921-c1e5cd0c9204/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f46c5bec-9096-4769-a921-c1e5cd0c9204/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f46c5bec-9096-4769-a921-c1e5cd0c9204/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f46c5bec-9096-4769-a921-c1e5cd0c9204/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f46c5bec-9096-4769-a921-c1e5cd0c9204/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-a4ecdab [2020-11-28 04:41:25,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:41:25,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:41:25,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:41:25,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:41:25,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:41:25,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:41:25,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:41:25,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:41:25,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:41:25,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:41:25,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:41:25,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:41:25,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:41:25,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:41:25,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:41:25,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:41:25,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:41:25,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:41:25,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:41:25,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:41:25,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:41:25,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:41:25,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:41:25,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:41:25,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:41:25,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:41:25,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:41:25,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:41:25,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:41:25,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:41:25,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:41:25,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:41:25,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:41:25,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:41:25,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:41:25,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:41:25,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:41:25,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:41:25,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:41:25,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:41:25,322 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f46c5bec-9096-4769-a921-c1e5cd0c9204/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:41:25,368 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:41:25,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:41:25,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:41:25,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:41:25,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:41:25,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:41:25,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:41:25,372 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:41:25,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:41:25,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:41:25,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:41:25,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:41:25,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:41:25,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:41:25,375 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:41:25,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:41:25,375 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:41:25,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:41:25,376 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:41:25,376 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:41:25,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:41:25,377 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:41:25,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:41:25,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:41:25,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:41:25,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:41:25,378 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:41:25,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:41:25,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:41:25,379 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_f46c5bec-9096-4769-a921-c1e5cd0c9204/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f46c5bec-9096-4769-a921-c1e5cd0c9204/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18788254abfa5723715f3d4730fe86dc47b8285d [2020-11-28 04:41:25,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:41:25,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:41:25,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:41:25,726 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:41:25,727 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:41:25,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f46c5bec-9096-4769-a921-c1e5cd0c9204/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2020-11-28 04:41:25,822 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f46c5bec-9096-4769-a921-c1e5cd0c9204/bin/ukojak/data/ba17cdf2e/8ff00fca1a7e4f3aab5d4a462f238883/FLAG0ccf1aa2c [2020-11-28 04:41:26,293 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:41:26,293 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f46c5bec-9096-4769-a921-c1e5cd0c9204/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2020-11-28 04:41:26,306 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f46c5bec-9096-4769-a921-c1e5cd0c9204/bin/ukojak/data/ba17cdf2e/8ff00fca1a7e4f3aab5d4a462f238883/FLAG0ccf1aa2c [2020-11-28 04:41:26,632 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f46c5bec-9096-4769-a921-c1e5cd0c9204/bin/ukojak/data/ba17cdf2e/8ff00fca1a7e4f3aab5d4a462f238883 [2020-11-28 04:41:26,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:41:26,639 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:41:26,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:41:26,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:41:26,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:41:26,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:26" (1/1) ... [2020-11-28 04:41:26,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78397a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26, skipping insertion in model container [2020-11-28 04:41:26,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:26" (1/1) ... [2020-11-28 04:41:26,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:41:26,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:41:27,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:41:27,216 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:41:27,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:41:27,333 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:41:27,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:27 WrapperNode [2020-11-28 04:41:27,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:41:27,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:41:27,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:41:27,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:41:27,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:27" (1/1) ... [2020-11-28 04:41:27,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:27" (1/1) ... [2020-11-28 04:41:27,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:41:27,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:41:27,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:41:27,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:41:27,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:27" (1/1) ... [2020-11-28 04:41:27,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:27" (1/1) ... [2020-11-28 04:41:27,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:27" (1/1) ... [2020-11-28 04:41:27,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:27" (1/1) ... [2020-11-28 04:41:27,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:27" (1/1) ... [2020-11-28 04:41:27,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:27" (1/1) ... [2020-11-28 04:41:27,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:27" (1/1) ... [2020-11-28 04:41:27,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:41:27,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:41:27,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:41:27,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:41:27,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f46c5bec-9096-4769-a921-c1e5cd0c9204/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:41:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:41:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:41:27,554 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:41:27,555 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:41:27,555 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:41:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:41:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:41:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:41:27,557 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:41:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:41:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:41:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:41:27,559 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:41:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:41:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:41:27,559 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:41:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:41:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:41:28,838 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:41:28,839 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-28 04:41:28,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:28 BoogieIcfgContainer [2020-11-28 04:41:28,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:41:28,842 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:41:28,842 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:41:28,853 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:41:28,854 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:28" (1/1) ... [2020-11-28 04:41:28,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:41:28,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:28,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2020-11-28 04:41:28,910 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2020-11-28 04:41:28,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:41:28,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:29,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:29,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:29,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2020-11-28 04:41:29,290 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2020-11-28 04:41:29,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:41:29,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:29,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:29,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:29,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 59 states and 78 transitions. [2020-11-28 04:41:29,469 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2020-11-28 04:41:29,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:41:29,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:29,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:29,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:29,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 69 states and 99 transitions. [2020-11-28 04:41:29,856 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 99 transitions. [2020-11-28 04:41:29,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:41:29,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:29,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:29,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:29,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 70 states and 100 transitions. [2020-11-28 04:41:29,927 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 100 transitions. [2020-11-28 04:41:29,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:41:29,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:30,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:30,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:30,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 86 states and 133 transitions. [2020-11-28 04:41:30,638 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 133 transitions. [2020-11-28 04:41:30,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:41:30,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:30,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:30,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:30,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 87 states and 134 transitions. [2020-11-28 04:41:30,722 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 134 transitions. [2020-11-28 04:41:30,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:41:30,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:30,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:30,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:30,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 88 states and 135 transitions. [2020-11-28 04:41:30,795 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 135 transitions. [2020-11-28 04:41:30,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:41:30,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:30,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:30,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:30,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 89 states and 136 transitions. [2020-11-28 04:41:30,842 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 136 transitions. [2020-11-28 04:41:30,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:41:30,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:30,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:31,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:31,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 94 states and 149 transitions. [2020-11-28 04:41:31,035 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 149 transitions. [2020-11-28 04:41:31,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:41:31,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:31,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:32,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:32,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 113 states and 190 transitions. [2020-11-28 04:41:32,539 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 190 transitions. [2020-11-28 04:41:32,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:41:32,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:32,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:32,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:32,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 117 states and 196 transitions. [2020-11-28 04:41:32,714 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 196 transitions. [2020-11-28 04:41:32,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:41:32,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:32,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:32,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:32,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 121 states and 202 transitions. [2020-11-28 04:41:32,858 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 202 transitions. [2020-11-28 04:41:32,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:41:32,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:32,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:41:32,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:32,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 125 states and 211 transitions. [2020-11-28 04:41:32,991 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 211 transitions. [2020-11-28 04:41:32,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:41:32,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:33,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:33,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:33,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 126 states and 214 transitions. [2020-11-28 04:41:33,063 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 214 transitions. [2020-11-28 04:41:33,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:41:33,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:33,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:33,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:33,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 128 states and 216 transitions. [2020-11-28 04:41:33,159 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 216 transitions. [2020-11-28 04:41:33,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:41:33,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:33,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:41:33,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:33,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 131 states and 224 transitions. [2020-11-28 04:41:33,398 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 224 transitions. [2020-11-28 04:41:33,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:41:33,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:33,443 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:41:34,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:34,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 140 states and 243 transitions. [2020-11-28 04:41:34,024 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 243 transitions. [2020-11-28 04:41:34,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:41:34,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:34,345 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:41:35,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:35,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 143 states and 250 transitions. [2020-11-28 04:41:35,168 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 250 transitions. [2020-11-28 04:41:35,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-28 04:41:35,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:35,208 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:41:35,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:35,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 144 states and 251 transitions. [2020-11-28 04:41:35,233 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 251 transitions. [2020-11-28 04:41:35,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:41:35,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:35,299 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:41:35,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:35,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 145 states and 254 transitions. [2020-11-28 04:41:35,498 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 254 transitions. [2020-11-28 04:41:35,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:41:35,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:35,534 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:41:35,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:35,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 152 states and 266 transitions. [2020-11-28 04:41:35,780 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 266 transitions. [2020-11-28 04:41:35,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:41:35,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:36,117 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:41:37,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:37,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 159 states and 279 transitions. [2020-11-28 04:41:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 279 transitions. [2020-11-28 04:41:37,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:41:37,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:37,509 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:41:37,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:37,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 163 states and 288 transitions. [2020-11-28 04:41:37,709 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 288 transitions. [2020-11-28 04:41:37,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:41:37,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:37,762 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:41:37,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:37,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 164 states and 289 transitions. [2020-11-28 04:41:37,775 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 289 transitions. [2020-11-28 04:41:37,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:41:37,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:37,841 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:41:38,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:38,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 167 states and 296 transitions. [2020-11-28 04:41:38,316 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 296 transitions. [2020-11-28 04:41:38,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:41:38,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:38,372 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:41:38,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:38,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 168 states and 296 transitions. [2020-11-28 04:41:38,385 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 296 transitions. [2020-11-28 04:41:38,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:41:38,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:38,564 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:41:40,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:40,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 184 states and 331 transitions. [2020-11-28 04:41:40,506 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 331 transitions. [2020-11-28 04:41:40,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:41:40,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:40,561 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:41:40,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:40,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 185 states and 332 transitions. [2020-11-28 04:41:40,587 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 332 transitions. [2020-11-28 04:41:40,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:41:40,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:40,640 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:41:42,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:42,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 197 states and 362 transitions. [2020-11-28 04:41:42,499 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 362 transitions. [2020-11-28 04:41:42,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:41:42,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:42,533 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:41:44,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:44,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 205 states and 381 transitions. [2020-11-28 04:41:44,382 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 381 transitions. [2020-11-28 04:41:44,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:41:44,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:44,418 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:41:44,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:44,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 206 states and 381 transitions. [2020-11-28 04:41:44,432 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 381 transitions. [2020-11-28 04:41:44,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:41:44,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:44,468 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:41:44,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:44,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 207 states and 382 transitions. [2020-11-28 04:41:44,496 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 382 transitions. [2020-11-28 04:41:44,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:41:44,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:44,532 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:41:44,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:44,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 208 states and 383 transitions. [2020-11-28 04:41:44,558 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 383 transitions. [2020-11-28 04:41:44,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:41:44,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:44,590 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:41:44,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:44,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 211 states and 389 transitions. [2020-11-28 04:41:44,631 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 389 transitions. [2020-11-28 04:41:44,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:41:44,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:44,668 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:41:46,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:46,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 219 states and 408 transitions. [2020-11-28 04:41:46,373 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 408 transitions. [2020-11-28 04:41:46,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 04:41:46,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:46,403 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:41:46,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:46,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 226 states and 420 transitions. [2020-11-28 04:41:46,960 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 420 transitions. [2020-11-28 04:41:46,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:41:46,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:47,018 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-28 04:41:47,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:47,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 229 states and 419 transitions. [2020-11-28 04:41:47,760 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 419 transitions. [2020-11-28 04:41:47,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-28 04:41:47,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:47,795 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:41:47,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:47,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 230 states and 421 transitions. [2020-11-28 04:41:47,832 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 421 transitions. [2020-11-28 04:41:47,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:41:47,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:47,884 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:41:48,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:48,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 231 states and 424 transitions. [2020-11-28 04:41:48,285 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 424 transitions. [2020-11-28 04:41:48,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:41:48,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:48,380 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:41:48,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:48,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 232 states and 425 transitions. [2020-11-28 04:41:48,427 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 425 transitions. [2020-11-28 04:41:48,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:41:48,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:48,464 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:41:48,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:48,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 237 states and 434 transitions. [2020-11-28 04:41:48,659 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 434 transitions. [2020-11-28 04:41:48,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 04:41:48,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:48,699 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:41:48,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:48,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 238 states and 434 transitions. [2020-11-28 04:41:48,712 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 434 transitions. [2020-11-28 04:41:48,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:41:48,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:48,757 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:41:49,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:49,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 239 states and 437 transitions. [2020-11-28 04:41:49,050 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 437 transitions. [2020-11-28 04:41:49,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 04:41:49,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:49,084 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:41:49,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:49,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 244 states and 445 transitions. [2020-11-28 04:41:49,494 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 445 transitions. [2020-11-28 04:41:49,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:41:49,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:49,540 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:41:49,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:49,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 245 states and 446 transitions. [2020-11-28 04:41:49,605 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 446 transitions. [2020-11-28 04:41:49,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:41:49,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:49,647 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:41:49,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:49,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 246 states and 447 transitions. [2020-11-28 04:41:49,671 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 447 transitions. [2020-11-28 04:41:49,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:41:49,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:49,717 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:41:49,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:49,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 248 states and 452 transitions. [2020-11-28 04:41:49,749 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 452 transitions. [2020-11-28 04:41:49,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:41:49,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:49,793 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:41:49,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:49,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 251 states and 456 transitions. [2020-11-28 04:41:49,975 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 456 transitions. [2020-11-28 04:41:49,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:41:49,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:50,010 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:41:50,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:50,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 252 states and 456 transitions. [2020-11-28 04:41:50,026 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 456 transitions. [2020-11-28 04:41:50,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-28 04:41:50,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:50,065 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-28 04:41:50,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:50,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 255 states and 459 transitions. [2020-11-28 04:41:50,095 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 459 transitions. [2020-11-28 04:41:50,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-28 04:41:50,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:50,135 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:41:50,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:50,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 256 states and 460 transitions. [2020-11-28 04:41:50,158 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 460 transitions. [2020-11-28 04:41:50,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-28 04:41:50,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:50,199 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-28 04:41:50,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:50,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 257 states and 461 transitions. [2020-11-28 04:41:50,234 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 461 transitions. [2020-11-28 04:41:50,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-11-28 04:41:50,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:50,284 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-28 04:41:50,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:50,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 259 states and 463 transitions. [2020-11-28 04:41:50,313 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 463 transitions. [2020-11-28 04:41:50,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-28 04:41:50,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:50,405 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-28 04:41:50,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:50,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 90 states and 120 transitions. [2020-11-28 04:41:50,421 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 120 transitions. [2020-11-28 04:41:50,422 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:41:50,422 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 55 iterations. [2020-11-28 04:41:50,429 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:41:50,846 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-28 04:41:50,856 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:41:50,857 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:50,857 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:50,857 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:50,858 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:50,858 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:50,858 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:50,858 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:50,859 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-28 04:41:50,863 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:50,863 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:50,864 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:50,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:41:50 ImpRootNode [2020-11-28 04:41:50,865 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:41:50,865 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:41:50,865 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:41:50,866 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:41:50,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:28" (3/4) ... [2020-11-28 04:41:50,877 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:41:50,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:41:50,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:41:50,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:41:50,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:41:50,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:41:50,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:41:50,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:41:50,899 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2020-11-28 04:41:50,899 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 04:41:50,900 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:41:50,901 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:41:50,901 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:41:50,902 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:41:50,903 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:41:50,943 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)) [2020-11-28 04:41:50,994 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f46c5bec-9096-4769-a921-c1e5cd0c9204/bin/ukojak/witness.graphml [2020-11-28 04:41:50,998 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:41:51,000 INFO L168 Benchmark]: Toolchain (without parser) took 24359.68 ms. Allocated memory was 88.1 MB in the beginning and 400.6 MB in the end (delta: 312.5 MB). Free memory was 55.0 MB in the beginning and 277.1 MB in the end (delta: -222.1 MB). Peak memory consumption was 88.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:51,000 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory was 48.2 MB in the beginning and 48.2 MB in the end (delta: 8.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:41:51,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.60 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 54.8 MB in the beginning and 90.8 MB in the end (delta: -36.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:51,001 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.39 ms. Allocated memory is still 123.7 MB. Free memory was 90.8 MB in the beginning and 88.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:51,001 INFO L168 Benchmark]: Boogie Preprocessor took 57.05 ms. Allocated memory is still 123.7 MB. Free memory was 88.0 MB in the beginning and 86.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:51,002 INFO L168 Benchmark]: RCFGBuilder took 1356.04 ms. Allocated memory is still 123.7 MB. Free memory was 86.6 MB in the beginning and 87.1 MB in the end (delta: -482.3 kB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:51,002 INFO L168 Benchmark]: CodeCheck took 22022.66 ms. Allocated memory was 123.7 MB in the beginning and 400.6 MB in the end (delta: 276.8 MB). Free memory was 87.1 MB in the beginning and 282.4 MB in the end (delta: -195.3 MB). Peak memory consumption was 84.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:51,002 INFO L168 Benchmark]: Witness Printer took 132.64 ms. Allocated memory is still 400.6 MB. Free memory was 282.4 MB in the beginning and 277.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:51,005 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: 21.5s, OverallIterations: 55, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1710683104 SDtfs, -1479716528 SDslu, 1537915876 SDs, 0 SdLazy, -929945888 SolverSat, -13012848 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 67.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24574 GetRequests, 24266 SyntacticMatches, 30 SemanticMatches, 278 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35217 ImplicationChecksByTransitivity, 15.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2422 NumberOfCodeBlocks, 2422 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 2368 ConstructedInterpolants, 0 QuantifiedInterpolants, 213303 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 54 InterpolantComputations, 46 PerfectInterpolantSequences, 916/953 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 0.24 ms. Allocated memory is still 88.1 MB. Free memory was 48.2 MB in the beginning and 48.2 MB in the end (delta: 8.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 692.60 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 54.8 MB in the beginning and 90.8 MB in the end (delta: -36.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.39 ms. Allocated memory is still 123.7 MB. Free memory was 90.8 MB in the beginning and 88.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.05 ms. Allocated memory is still 123.7 MB. Free memory was 88.0 MB in the beginning and 86.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1356.04 ms. Allocated memory is still 123.7 MB. Free memory was 86.6 MB in the beginning and 87.1 MB in the end (delta: -482.3 kB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. * CodeCheck took 22022.66 ms. Allocated memory was 123.7 MB in the beginning and 400.6 MB in the end (delta: 276.8 MB). Free memory was 87.1 MB in the beginning and 282.4 MB in the end (delta: -195.3 MB). Peak memory consumption was 84.2 MB. Max. memory is 16.1 GB. * Witness Printer took 132.64 ms. Allocated memory is still 400.6 MB. Free memory was 282.4 MB in the beginning and 277.1 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...