./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.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_f4673dbb-d091-4011-9c8c-44c2c23d7afc/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f4673dbb-d091-4011-9c8c-44c2c23d7afc/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f4673dbb-d091-4011-9c8c-44c2c23d7afc/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f4673dbb-d091-4011-9c8c-44c2c23d7afc/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f4673dbb-d091-4011-9c8c-44c2c23d7afc/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f4673dbb-d091-4011-9c8c-44c2c23d7afc/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 062932e2a77eaa56a60a5c6bf9705187ac9d312a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 04:39:35,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:39:35,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:39:36,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:39:36,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:39:36,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:39:36,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:39:36,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:39:36,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:39:36,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:39:36,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:39:36,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:39:36,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:39:36,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:39:36,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:39:36,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:39:36,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:39:36,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:39:36,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:39:36,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:39:36,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:39:36,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:39:36,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:39:36,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:39:36,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:39:36,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:39:36,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:39:36,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:39:36,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:39:36,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:39:36,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:39:36,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:39:36,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:39:36,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:39:36,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:39:36,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:39:36,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:39:36,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:39:36,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:39:36,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:39:36,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:39:36,130 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f4673dbb-d091-4011-9c8c-44c2c23d7afc/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:39:36,154 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:39:36,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:39:36,156 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:39:36,156 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:39:36,157 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:39:36,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:39:36,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:39:36,158 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:39:36,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:39:36,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:39:36,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:39:36,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:39:36,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:39:36,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:39:36,161 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:39:36,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:39:36,162 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:39:36,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:39:36,163 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:39:36,163 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:39:36,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:39:36,164 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:39:36,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:39:36,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:39:36,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:39:36,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:39:36,166 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:39:36,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:39:36,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:39:36,166 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_f4673dbb-d091-4011-9c8c-44c2c23d7afc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f4673dbb-d091-4011-9c8c-44c2c23d7afc/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 062932e2a77eaa56a60a5c6bf9705187ac9d312a [2020-11-28 04:39:36,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:39:36,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:39:36,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:39:36,434 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:39:36,436 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:39:36,437 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f4673dbb-d091-4011-9c8c-44c2c23d7afc/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2020-11-28 04:39:36,534 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f4673dbb-d091-4011-9c8c-44c2c23d7afc/bin/ukojak/data/5772a5489/0103b7c5b5f14dca9d8ab9669244609b/FLAGbdcc2dcbc [2020-11-28 04:39:37,129 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:39:37,139 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f4673dbb-d091-4011-9c8c-44c2c23d7afc/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2020-11-28 04:39:37,154 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f4673dbb-d091-4011-9c8c-44c2c23d7afc/bin/ukojak/data/5772a5489/0103b7c5b5f14dca9d8ab9669244609b/FLAGbdcc2dcbc [2020-11-28 04:39:37,445 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f4673dbb-d091-4011-9c8c-44c2c23d7afc/bin/ukojak/data/5772a5489/0103b7c5b5f14dca9d8ab9669244609b [2020-11-28 04:39:37,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:39:37,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:39:37,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:37,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:39:37,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:39:37,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:37" (1/1) ... [2020-11-28 04:39:37,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d4c67e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:37, skipping insertion in model container [2020-11-28 04:39:37,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:37" (1/1) ... [2020-11-28 04:39:37,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:39:37,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:39:37,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:37,900 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:39:38,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:38,063 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:39:38,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38 WrapperNode [2020-11-28 04:39:38,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:38,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:38,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:39:38,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:39:38,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:38,100 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:38,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:38,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:39:38,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:39:38,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:39:38,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:38,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:38,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:38,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:38,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:38,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:38,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:38,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:39:38,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:39:38,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:39:38,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:39:38,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f4673dbb-d091-4011-9c8c-44c2c23d7afc/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 04:39:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:39:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:39:38,297 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:39:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:39:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:39:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:39:38,299 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:39:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:39:38,299 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:39:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:39:38,300 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:39:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:39:38,300 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:39:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:39:38,301 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:39:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:39:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:39:38,301 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:39:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:39:38,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:39:40,119 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:39:40,119 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-11-28 04:39:40,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:40 BoogieIcfgContainer [2020-11-28 04:39:40,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:39:40,123 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:39:40,123 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:39:40,133 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:39:40,134 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:40" (1/1) ... [2020-11-28 04:39:40,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:39:40,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:40,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 60 states and 80 transitions. [2020-11-28 04:39:40,184 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2020-11-28 04:39:40,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:39:40,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:40,509 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 04:39:40,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:40,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2020-11-28 04:39:40,529 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2020-11-28 04:39:40,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:39:40,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:40,657 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 04:39:40,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:40,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2020-11-28 04:39:40,695 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2020-11-28 04:39:40,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:39:40,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:40,860 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 04:39:41,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:41,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2020-11-28 04:39:41,184 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2020-11-28 04:39:41,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:39:41,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:41,324 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 04:39:41,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:41,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 86 states and 131 transitions. [2020-11-28 04:39:41,941 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 131 transitions. [2020-11-28 04:39:41,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:39:41,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:42,153 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 04:39:43,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:43,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 100 states and 166 transitions. [2020-11-28 04:39:43,435 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 166 transitions. [2020-11-28 04:39:43,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:39:43,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:43,515 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 04:39:43,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:43,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 102 states and 168 transitions. [2020-11-28 04:39:43,647 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 168 transitions. [2020-11-28 04:39:43,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:39:43,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:43,740 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 04:39:43,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:43,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 110 states and 187 transitions. [2020-11-28 04:39:43,907 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 187 transitions. [2020-11-28 04:39:43,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:39:43,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:43,973 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 04:39:44,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:44,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 115 states and 196 transitions. [2020-11-28 04:39:44,187 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 196 transitions. [2020-11-28 04:39:44,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:39:44,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:44,228 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 04:39:44,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:44,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2020-11-28 04:39:44,247 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2020-11-28 04:39:44,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:39:44,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:44,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:44,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:44,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 123 states and 214 transitions. [2020-11-28 04:39:44,687 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 214 transitions. [2020-11-28 04:39:44,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:39:44,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:44,826 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 04:39:45,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:45,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 125 states and 219 transitions. [2020-11-28 04:39:45,096 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 219 transitions. [2020-11-28 04:39:45,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:39:45,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:45,133 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 04:39:45,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:45,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 123 states and 213 transitions. [2020-11-28 04:39:45,169 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 213 transitions. [2020-11-28 04:39:45,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:39:45,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:45,547 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 04:39:46,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:46,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 128 states and 227 transitions. [2020-11-28 04:39:46,648 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 227 transitions. [2020-11-28 04:39:46,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:39:46,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:46,714 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:47,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:47,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 136 states and 247 transitions. [2020-11-28 04:39:47,506 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 247 transitions. [2020-11-28 04:39:47,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:39:47,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:47,562 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 04:39:47,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:47,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 141 states and 257 transitions. [2020-11-28 04:39:47,729 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 257 transitions. [2020-11-28 04:39:47,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:39:47,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:47,792 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 04:39:47,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:47,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 142 states and 258 transitions. [2020-11-28 04:39:47,822 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 258 transitions. [2020-11-28 04:39:47,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:39:47,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:47,865 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 04:39:48,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:48,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 145 states and 265 transitions. [2020-11-28 04:39:48,062 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 265 transitions. [2020-11-28 04:39:48,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:39:48,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:48,112 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:39:48,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:48,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 148 states and 269 transitions. [2020-11-28 04:39:48,409 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 269 transitions. [2020-11-28 04:39:48,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-28 04:39:48,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:48,581 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:48,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:48,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 149 states and 269 transitions. [2020-11-28 04:39:48,713 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 269 transitions. [2020-11-28 04:39:48,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 04:39:48,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:48,758 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-28 04:39:50,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:50,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 155 states and 294 transitions. [2020-11-28 04:39:50,286 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 294 transitions. [2020-11-28 04:39:50,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 04:39:50,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:39:50,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:50,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 157 states and 301 transitions. [2020-11-28 04:39:50,663 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 301 transitions. [2020-11-28 04:39:50,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 04:39:50,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:50,698 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-28 04:39:51,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:51,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 161 states and 311 transitions. [2020-11-28 04:39:51,426 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 311 transitions. [2020-11-28 04:39:51,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:39:51,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:51,464 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-28 04:39:52,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:52,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 164 states and 316 transitions. [2020-11-28 04:39:52,228 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 316 transitions. [2020-11-28 04:39:52,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 04:39:52,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:52,260 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:39:52,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:52,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 164 states and 311 transitions. [2020-11-28 04:39:52,506 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 311 transitions. [2020-11-28 04:39:52,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 04:39:52,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:52,539 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:39:53,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:53,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 168 states and 321 transitions. [2020-11-28 04:39:53,279 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 321 transitions. [2020-11-28 04:39:53,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:39:53,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:53,313 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:39:53,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:53,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 168 states and 318 transitions. [2020-11-28 04:39:53,736 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 318 transitions. [2020-11-28 04:39:53,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:39:53,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:53,773 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-28 04:39:53,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:53,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 169 states and 319 transitions. [2020-11-28 04:39:53,796 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 319 transitions. [2020-11-28 04:39:53,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-28 04:39:53,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:53,852 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:39:54,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:54,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 172 states and 325 transitions. [2020-11-28 04:39:54,230 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 325 transitions. [2020-11-28 04:39:54,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-28 04:39:54,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:54,288 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-28 04:39:54,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:54,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 175 states and 330 transitions. [2020-11-28 04:39:54,328 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 330 transitions. [2020-11-28 04:39:54,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-28 04:39:54,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:54,377 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-11-28 04:39:54,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:54,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 176 states and 331 transitions. [2020-11-28 04:39:54,420 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 331 transitions. [2020-11-28 04:39:54,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-28 04:39:54,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:54,463 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-28 04:39:54,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:54,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 83 states and 111 transitions. [2020-11-28 04:39:54,487 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 111 transitions. [2020-11-28 04:39:54,488 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:39:54,488 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2020-11-28 04:39:54,497 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:39:54,994 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:39:54,998 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:39:55,001 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:39:55,001 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2020-11-28 04:39:55,005 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:39:55,007 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:39:55,008 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:39:55,008 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:39:55,008 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:39:55,009 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:39:55,009 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:39:55,011 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:39:55,012 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-28 04:39:55,015 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:39:55,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:39:55 ImpRootNode [2020-11-28 04:39:55,022 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:39:55,023 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:39:55,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:39:55,024 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:39:55,025 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:40" (3/4) ... [2020-11-28 04:39:55,028 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:39:55,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:39:55,042 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:39:55,043 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:39:55,043 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:39:55,043 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:39:55,043 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:39:55,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:39:55,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:39:55,056 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges [2020-11-28 04:39:55,058 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-28 04:39:55,059 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:39:55,060 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:39:55,060 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:39:55,061 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:39:55,061 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:39:55,086 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || 0 == systemActive) || pumpRunning == \old(pumpRunning) [2020-11-28 04:39:55,088 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-28 04:39:55,147 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f4673dbb-d091-4011-9c8c-44c2c23d7afc/bin/ukojak/witness.graphml [2020-11-28 04:39:55,147 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:39:55,149 INFO L168 Benchmark]: Toolchain (without parser) took 17699.11 ms. Allocated memory was 104.9 MB in the beginning and 264.2 MB in the end (delta: 159.4 MB). Free memory was 71.5 MB in the beginning and 109.2 MB in the end (delta: -37.8 MB). Peak memory consumption was 122.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:55,150 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 71.3 MB. Free memory was 29.8 MB in the beginning and 29.7 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:55,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.10 ms. Allocated memory is still 104.9 MB. Free memory was 71.3 MB in the beginning and 70.7 MB in the end (delta: 571.0 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:55,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.48 ms. Allocated memory is still 104.9 MB. Free memory was 70.7 MB in the beginning and 68.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:55,151 INFO L168 Benchmark]: Boogie Preprocessor took 68.95 ms. Allocated memory is still 104.9 MB. Free memory was 68.1 MB in the beginning and 66.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:55,151 INFO L168 Benchmark]: RCFGBuilder took 1900.86 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 66.0 MB in the beginning and 99.7 MB in the end (delta: -33.7 MB). Peak memory consumption was 41.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:55,151 INFO L168 Benchmark]: CodeCheck took 14900.11 ms. Allocated memory was 125.8 MB in the beginning and 264.2 MB in the end (delta: 138.4 MB). Free memory was 99.7 MB in the beginning and 114.5 MB in the end (delta: -14.8 MB). Peak memory consumption was 123.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:55,152 INFO L168 Benchmark]: Witness Printer took 124.00 ms. Allocated memory is still 264.2 MB. Free memory was 114.5 MB in the beginning and 109.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:55,154 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.3s, OverallIterations: 32, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 347787652 SDtfs, 1801608716 SDslu, -1822459844 SDs, 0 SdLazy, 599567068 SolverSat, -905674828 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14479 GetRequests, 14258 SyntacticMatches, 13 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17459 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1387 NumberOfCodeBlocks, 1387 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1356 ConstructedInterpolants, 0 QuantifiedInterpolants, 128967 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 24 PerfectInterpolantSequences, 419/440 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: 718]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || methaneLevelCritical == tmp - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || 0 == systemActive) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: ((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 71.3 MB. Free memory was 29.8 MB in the beginning and 29.7 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 603.10 ms. Allocated memory is still 104.9 MB. Free memory was 71.3 MB in the beginning and 70.7 MB in the end (delta: 571.0 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.48 ms. Allocated memory is still 104.9 MB. Free memory was 70.7 MB in the beginning and 68.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.95 ms. Allocated memory is still 104.9 MB. Free memory was 68.1 MB in the beginning and 66.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1900.86 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 66.0 MB in the beginning and 99.7 MB in the end (delta: -33.7 MB). Peak memory consumption was 41.4 MB. Max. memory is 16.1 GB. * CodeCheck took 14900.11 ms. Allocated memory was 125.8 MB in the beginning and 264.2 MB in the end (delta: 138.4 MB). Free memory was 99.7 MB in the beginning and 114.5 MB in the end (delta: -14.8 MB). Peak memory consumption was 123.6 MB. Max. memory is 16.1 GB. * Witness Printer took 124.00 ms. Allocated memory is still 264.2 MB. Free memory was 114.5 MB in the beginning and 109.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...