./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product24.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_d49b1953-e283-4f66-84c7-9eb64c3a0336/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d49b1953-e283-4f66-84c7-9eb64c3a0336/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d49b1953-e283-4f66-84c7-9eb64c3a0336/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d49b1953-e283-4f66-84c7-9eb64c3a0336/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d49b1953-e283-4f66-84c7-9eb64c3a0336/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d49b1953-e283-4f66-84c7-9eb64c3a0336/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 ed5636201ca86e4c0316e1914010795451711e2b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:38:51,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:38:51,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:38:51,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:38:51,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:38:51,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:38:51,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:38:51,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:38:51,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:38:51,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:38:51,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:38:51,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:38:51,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:38:51,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:38:51,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:38:51,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:38:51,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:38:51,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:38:51,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:38:51,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:38:51,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:38:51,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:38:51,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:38:51,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:38:51,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:38:51,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:38:51,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:38:51,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:38:51,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:38:51,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:38:51,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:38:51,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:38:51,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:38:51,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:38:51,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:38:51,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:38:51,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:38:51,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:38:51,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:38:51,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:38:51,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:38:51,416 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d49b1953-e283-4f66-84c7-9eb64c3a0336/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 21:38:51,473 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:38:51,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:38:51,476 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 21:38:51,476 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 21:38:51,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:38:51,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:38:51,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:38:51,478 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:38:51,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:38:51,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:38:51,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:38:51,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:38:51,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:38:51,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:38:51,482 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:38:51,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:38:51,482 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:38:51,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:38:51,483 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 21:38:51,483 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 21:38:51,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:38:51,484 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:38:51,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 21:38:51,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:38:51,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:38:51,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:38:51,485 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 21:38:51,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:38:51,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:38:51,488 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_d49b1953-e283-4f66-84c7-9eb64c3a0336/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d49b1953-e283-4f66-84c7-9eb64c3a0336/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed5636201ca86e4c0316e1914010795451711e2b [2020-11-29 21:38:51,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:38:51,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:38:51,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:38:51,853 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:38:51,855 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:38:51,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d49b1953-e283-4f66-84c7-9eb64c3a0336/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2020-11-29 21:38:51,973 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d49b1953-e283-4f66-84c7-9eb64c3a0336/bin/ukojak/data/736e3ed71/b2cbe1b7c38a420fa4a30115cdd672e5/FLAG228d3fbb1 [2020-11-29 21:38:52,719 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:38:52,720 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d49b1953-e283-4f66-84c7-9eb64c3a0336/sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2020-11-29 21:38:52,740 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d49b1953-e283-4f66-84c7-9eb64c3a0336/bin/ukojak/data/736e3ed71/b2cbe1b7c38a420fa4a30115cdd672e5/FLAG228d3fbb1 [2020-11-29 21:38:53,016 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d49b1953-e283-4f66-84c7-9eb64c3a0336/bin/ukojak/data/736e3ed71/b2cbe1b7c38a420fa4a30115cdd672e5 [2020-11-29 21:38:53,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:38:53,022 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:38:53,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:38:53,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:38:53,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:38:53,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:38:53" (1/1) ... [2020-11-29 21:38:53,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ee42d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:53, skipping insertion in model container [2020-11-29 21:38:53,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:38:53" (1/1) ... [2020-11-29 21:38:53,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:38:53,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:38:53,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:38:53,540 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:38:53,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:38:53,740 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:38:53,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:53 WrapperNode [2020-11-29 21:38:53,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:38:53,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:38:53,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:38:53,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:38:53,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:53" (1/1) ... [2020-11-29 21:38:53,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:53" (1/1) ... [2020-11-29 21:38:53,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:38:53,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:38:53,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:38:53,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:38:53,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:53" (1/1) ... [2020-11-29 21:38:53,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:53" (1/1) ... [2020-11-29 21:38:53,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:53" (1/1) ... [2020-11-29 21:38:53,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:53" (1/1) ... [2020-11-29 21:38:53,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:53" (1/1) ... [2020-11-29 21:38:53,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:53" (1/1) ... [2020-11-29 21:38:53,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:53" (1/1) ... [2020-11-29 21:38:53,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:38:53,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:38:53,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:38:53,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:38:53,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d49b1953-e283-4f66-84c7-9eb64c3a0336/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 [2020-11-29 21:38:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:38:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 21:38:53,976 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 21:38:53,976 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 21:38:53,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 21:38:53,976 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 21:38:53,976 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 21:38:53,977 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 21:38:53,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 21:38:53,977 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 21:38:53,977 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 21:38:53,977 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-29 21:38:53,978 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-29 21:38:53,978 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-29 21:38:53,978 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-29 21:38:53,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:38:53,978 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 21:38:53,978 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 21:38:53,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:38:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:38:55,722 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:38:55,723 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-11-29 21:38:55,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:38:55 BoogieIcfgContainer [2020-11-29 21:38:55,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:38:55,727 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 21:38:55,727 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 21:38:55,743 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 21:38:55,743 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:38:55" (1/1) ... [2020-11-29 21:38:55,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:38:55,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:38:55,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2020-11-29 21:38:55,828 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2020-11-29 21:38:55,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 21:38:55,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:38:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:38:56,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:38:56,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:38:56,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2020-11-29 21:38:56,156 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2020-11-29 21:38:56,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 21:38:56,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:38:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:38:56,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:38:56,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:38:56,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2020-11-29 21:38:56,451 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2020-11-29 21:38:56,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 21:38:56,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:38:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:38:56,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:38:56,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:38:56,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2020-11-29 21:38:56,680 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2020-11-29 21:38:56,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 21:38:56,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:38:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:38:56,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:38:57,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:38:57,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 77 states and 110 transitions. [2020-11-29 21:38:57,126 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 110 transitions. [2020-11-29 21:38:57,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 21:38:57,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:38:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:38:57,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:38:57,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:38:57,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 78 states and 111 transitions. [2020-11-29 21:38:57,217 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2020-11-29 21:38:57,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 21:38:57,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:38:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:38:57,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:38:58,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:38:58,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 95 states and 148 transitions. [2020-11-29 21:38:58,109 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions. [2020-11-29 21:38:58,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 21:38:58,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:38:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:38:58,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:38:58,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:38:58,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 96 states and 149 transitions. [2020-11-29 21:38:58,196 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 149 transitions. [2020-11-29 21:38:58,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 21:38:58,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:38:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:38:58,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:38:58,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:38:58,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 97 states and 150 transitions. [2020-11-29 21:38:58,305 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 150 transitions. [2020-11-29 21:38:58,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 21:38:58,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:38:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:38:58,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:38:58,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:38:58,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 102 states and 160 transitions. [2020-11-29 21:38:58,431 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 160 transitions. [2020-11-29 21:38:58,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 21:38:58,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:38:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:38:58,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:38:59,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:38:59,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 111 states and 177 transitions. [2020-11-29 21:38:59,219 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 177 transitions. [2020-11-29 21:38:59,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 21:38:59,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:38:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:38:59,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:38:59,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:38:59,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 115 states and 187 transitions. [2020-11-29 21:38:59,339 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 187 transitions. [2020-11-29 21:38:59,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 21:38:59,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:38:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:38:59,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:00,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:00,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 129 states and 216 transitions. [2020-11-29 21:39:00,493 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 216 transitions. [2020-11-29 21:39:00,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 21:39:00,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:00,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:39:00,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:00,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 132 states and 223 transitions. [2020-11-29 21:39:00,849 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 223 transitions. [2020-11-29 21:39:00,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 21:39:00,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:00,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:39:00,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:00,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 133 states and 224 transitions. [2020-11-29 21:39:00,968 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 224 transitions. [2020-11-29 21:39:00,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 21:39:00,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:01,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:01,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:01,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 136 states and 231 transitions. [2020-11-29 21:39:01,284 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 231 transitions. [2020-11-29 21:39:01,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 21:39:01,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:01,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:01,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:01,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 142 states and 246 transitions. [2020-11-29 21:39:01,567 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 246 transitions. [2020-11-29 21:39:01,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 21:39:01,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:01,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:02,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:02,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 144 states and 251 transitions. [2020-11-29 21:39:02,051 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 251 transitions. [2020-11-29 21:39:02,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 21:39:02,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:02,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:02,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:02,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 142 states and 245 transitions. [2020-11-29 21:39:02,166 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 245 transitions. [2020-11-29 21:39:02,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 21:39:02,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:02,232 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 21:39:02,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:02,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 151 states and 263 transitions. [2020-11-29 21:39:02,922 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 263 transitions. [2020-11-29 21:39:02,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-29 21:39:02,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:02,966 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 21:39:02,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:02,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 152 states and 264 transitions. [2020-11-29 21:39:02,989 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 264 transitions. [2020-11-29 21:39:02,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-29 21:39:02,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:03,403 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 21:39:04,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:04,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 155 states and 270 transitions. [2020-11-29 21:39:04,496 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 270 transitions. [2020-11-29 21:39:04,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 21:39:04,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:04,548 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 21:39:04,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:04,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 156 states and 272 transitions. [2020-11-29 21:39:04,585 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 272 transitions. [2020-11-29 21:39:04,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 21:39:04,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:04,625 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 21:39:05,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:05,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 163 states and 287 transitions. [2020-11-29 21:39:05,477 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 287 transitions. [2020-11-29 21:39:05,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 21:39:05,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:05,527 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 21:39:05,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:05,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 164 states and 289 transitions. [2020-11-29 21:39:05,567 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 289 transitions. [2020-11-29 21:39:05,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 21:39:05,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:05,628 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:39:05,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:05,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 172 states and 301 transitions. [2020-11-29 21:39:05,983 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 301 transitions. [2020-11-29 21:39:05,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 21:39:05,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:06,028 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:39:06,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:06,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 173 states and 302 transitions. [2020-11-29 21:39:06,054 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 302 transitions. [2020-11-29 21:39:06,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 21:39:06,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:06,139 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 21:39:08,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:08,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 190 states and 344 transitions. [2020-11-29 21:39:08,399 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 344 transitions. [2020-11-29 21:39:08,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 21:39:08,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:08,471 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 21:39:10,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:10,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 202 states and 373 transitions. [2020-11-29 21:39:10,332 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 373 transitions. [2020-11-29 21:39:10,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 21:39:10,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:10,391 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 21:39:10,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:10,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 203 states and 374 transitions. [2020-11-29 21:39:10,419 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 374 transitions. [2020-11-29 21:39:10,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 21:39:10,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:10,466 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 21:39:10,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:10,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 211 states and 394 transitions. [2020-11-29 21:39:10,972 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 394 transitions. [2020-11-29 21:39:10,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 21:39:10,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:11,027 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-29 21:39:11,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:11,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 213 states and 396 transitions. [2020-11-29 21:39:11,211 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 396 transitions. [2020-11-29 21:39:11,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 21:39:11,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:11,283 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 21:39:11,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:11,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 214 states and 397 transitions. [2020-11-29 21:39:11,302 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 397 transitions. [2020-11-29 21:39:11,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 21:39:11,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:11,357 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 21:39:11,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:11,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 215 states and 398 transitions. [2020-11-29 21:39:11,397 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 398 transitions. [2020-11-29 21:39:11,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 21:39:11,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:11,447 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 21:39:11,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:11,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 218 states and 401 transitions. [2020-11-29 21:39:11,642 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 401 transitions. [2020-11-29 21:39:11,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 21:39:11,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:11,690 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-29 21:39:12,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:12,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 220 states and 405 transitions. [2020-11-29 21:39:12,428 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 405 transitions. [2020-11-29 21:39:12,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-29 21:39:12,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:12,491 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 21:39:13,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:13,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 226 states and 419 transitions. [2020-11-29 21:39:13,606 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 419 transitions. [2020-11-29 21:39:13,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 21:39:13,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:13,656 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-29 21:39:14,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:14,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 233 states and 428 transitions. [2020-11-29 21:39:14,266 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 428 transitions. [2020-11-29 21:39:14,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 21:39:14,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:14,307 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 21:39:14,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:14,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 234 states and 429 transitions. [2020-11-29 21:39:14,335 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 429 transitions. [2020-11-29 21:39:14,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 21:39:14,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:14,373 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 21:39:14,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:14,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 235 states and 432 transitions. [2020-11-29 21:39:14,813 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 432 transitions. [2020-11-29 21:39:14,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-29 21:39:14,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:14,862 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 21:39:15,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:15,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 241 states and 441 transitions. [2020-11-29 21:39:15,084 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 441 transitions. [2020-11-29 21:39:15,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 21:39:15,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:15,140 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 21:39:15,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:15,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 242 states and 442 transitions. [2020-11-29 21:39:15,176 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 442 transitions. [2020-11-29 21:39:15,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-29 21:39:15,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:15,233 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-29 21:39:15,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:15,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 243 states and 443 transitions. [2020-11-29 21:39:15,270 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 443 transitions. [2020-11-29 21:39:15,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 21:39:15,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:15,342 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 21:39:15,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:15,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 248 states and 452 transitions. [2020-11-29 21:39:15,634 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 452 transitions. [2020-11-29 21:39:15,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 21:39:15,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:15,679 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 21:39:15,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:15,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 249 states and 453 transitions. [2020-11-29 21:39:15,705 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 453 transitions. [2020-11-29 21:39:15,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 21:39:15,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:15,750 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 21:39:16,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:16,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 250 states and 456 transitions. [2020-11-29 21:39:16,187 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 456 transitions. [2020-11-29 21:39:16,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 21:39:16,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:16,230 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 21:39:16,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:16,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 253 states and 462 transitions. [2020-11-29 21:39:16,442 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 462 transitions. [2020-11-29 21:39:16,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 21:39:16,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:16,515 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-29 21:39:16,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:16,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 256 states and 466 transitions. [2020-11-29 21:39:16,550 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 466 transitions. [2020-11-29 21:39:16,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-29 21:39:16,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:16,621 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 21:39:18,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:18,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 266 states and 485 transitions. [2020-11-29 21:39:18,259 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 485 transitions. [2020-11-29 21:39:18,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 21:39:18,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:18,331 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-29 21:39:18,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:18,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 267 states and 486 transitions. [2020-11-29 21:39:18,413 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 486 transitions. [2020-11-29 21:39:18,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-11-29 21:39:18,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:18,464 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 21:39:18,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:18,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 270 states and 491 transitions. [2020-11-29 21:39:18,496 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 491 transitions. [2020-11-29 21:39:18,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-29 21:39:18,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:18,549 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-29 21:39:18,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:18,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 271 states and 492 transitions. [2020-11-29 21:39:18,588 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 492 transitions. [2020-11-29 21:39:18,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-29 21:39:18,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:18,640 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 21:39:18,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:18,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 109 states and 143 transitions. [2020-11-29 21:39:18,667 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 143 transitions. [2020-11-29 21:39:18,669 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 21:39:18,670 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 53 iterations. [2020-11-29 21:39:18,682 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 21:39:19,165 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-29 21:39:19,175 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-29 21:39:19,176 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:39:19,177 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:39:19,177 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:39:19,177 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:39:19,177 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:39:19,178 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:39:19,178 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-29 21:39:19,179 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:39:19,179 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:39:19,179 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-29 21:39:19,181 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:39:19,181 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:39:19,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 09:39:19 ImpRootNode [2020-11-29 21:39:19,182 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 21:39:19,183 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:39:19,183 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:39:19,183 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:39:19,184 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:38:55" (3/4) ... [2020-11-29 21:39:19,188 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 21:39:19,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-29 21:39:19,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-29 21:39:19,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-29 21:39:19,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-29 21:39:19,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-29 21:39:19,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-29 21:39:19,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-29 21:39:19,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2020-11-29 21:39:19,206 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2020-11-29 21:39:19,207 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-11-29 21:39:19,207 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 21:39:19,208 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 21:39:19,209 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 21:39:19,209 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:39:19,210 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:39:19,242 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && !(1 == systemActive)) || (!(pumpRunning == 0) && 1 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) [2020-11-29 21:39:19,244 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-29 21:39:19,357 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d49b1953-e283-4f66-84c7-9eb64c3a0336/bin/ukojak/witness.graphml [2020-11-29 21:39:19,357 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:39:19,360 INFO L168 Benchmark]: Toolchain (without parser) took 26337.41 ms. Allocated memory was 90.2 MB in the beginning and 390.1 MB in the end (delta: 299.9 MB). Free memory was 57.4 MB in the beginning and 353.6 MB in the end (delta: -296.2 MB). Peak memory consumption was 226.6 MB. Max. memory is 16.1 GB. [2020-11-29 21:39:19,361 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 90.2 MB. Free memory was 46.9 MB in the beginning and 46.8 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:39:19,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.54 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 57.2 MB in the beginning and 85.8 MB in the end (delta: -28.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:39:19,364 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.52 ms. Allocated memory is still 119.5 MB. Free memory was 85.8 MB in the beginning and 83.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:39:19,365 INFO L168 Benchmark]: Boogie Preprocessor took 63.88 ms. Allocated memory is still 119.5 MB. Free memory was 83.4 MB in the beginning and 81.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:39:19,365 INFO L168 Benchmark]: RCFGBuilder took 1844.16 ms. Allocated memory is still 119.5 MB. Free memory was 81.3 MB in the beginning and 79.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:39:19,366 INFO L168 Benchmark]: CodeCheck took 23455.36 ms. Allocated memory was 119.5 MB in the beginning and 390.1 MB in the end (delta: 270.5 MB). Free memory was 79.0 MB in the beginning and 137.0 MB in the end (delta: -57.9 MB). Peak memory consumption was 212.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:39:19,366 INFO L168 Benchmark]: Witness Printer took 175.19 ms. Allocated memory is still 390.1 MB. Free memory was 135.9 MB in the beginning and 353.6 MB in the end (delta: -217.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:39:19,369 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.8s, OverallIterations: 53, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 908932324 SDtfs, -914167924 SDslu, 98897948 SDs, 0 SdLazy, -1995291460 SolverSat, 1080395188 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 71.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23836 GetRequests, 23559 SyntacticMatches, 13 SemanticMatches, 264 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30093 ImplicationChecksByTransitivity, 15.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 2336 NumberOfCodeBlocks, 2336 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 2284 ConstructedInterpolants, 0 QuantifiedInterpolants, 213145 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 52 InterpolantComputations, 43 PerfectInterpolantSequences, 823/861 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: 514]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && !(1 == systemActive)) || (!(pumpRunning == 0) && 1 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 90.2 MB. Free memory was 46.9 MB in the beginning and 46.8 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 717.54 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 57.2 MB in the beginning and 85.8 MB in the end (delta: -28.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.52 ms. Allocated memory is still 119.5 MB. Free memory was 85.8 MB in the beginning and 83.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.88 ms. Allocated memory is still 119.5 MB. Free memory was 83.4 MB in the beginning and 81.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1844.16 ms. Allocated memory is still 119.5 MB. Free memory was 81.3 MB in the beginning and 79.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. * CodeCheck took 23455.36 ms. Allocated memory was 119.5 MB in the beginning and 390.1 MB in the end (delta: 270.5 MB). Free memory was 79.0 MB in the beginning and 137.0 MB in the end (delta: -57.9 MB). Peak memory consumption was 212.4 MB. Max. memory is 16.1 GB. * Witness Printer took 175.19 ms. Allocated memory is still 390.1 MB. Free memory was 135.9 MB in the beginning and 353.6 MB in the end (delta: -217.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...