./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b68a00fe-2ae7-4a14-ba23-e954ac5907a3/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b68a00fe-2ae7-4a14-ba23-e954ac5907a3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b68a00fe-2ae7-4a14-ba23-e954ac5907a3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b68a00fe-2ae7-4a14-ba23-e954ac5907a3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b68a00fe-2ae7-4a14-ba23-e954ac5907a3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b68a00fe-2ae7-4a14-ba23-e954ac5907a3/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 9648b26a5ec4f9065ef62bcefcc0539fba2412ec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:03:45,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:03:45,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:03:46,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:03:46,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:03:46,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:03:46,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:03:46,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:03:46,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:03:46,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:03:46,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:03:46,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:03:46,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:03:46,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:03:46,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:03:46,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:03:46,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:03:46,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:03:46,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:03:46,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:03:46,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:03:46,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:03:46,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:03:46,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:03:46,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:03:46,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:03:46,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:03:46,150 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:03:46,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:03:46,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:03:46,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:03:46,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:03:46,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:03:46,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:03:46,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:03:46,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:03:46,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:03:46,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:03:46,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:03:46,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:03:46,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:03:46,177 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b68a00fe-2ae7-4a14-ba23-e954ac5907a3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:03:46,227 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:03:46,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:03:46,229 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:03:46,229 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:03:46,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:03:46,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:03:46,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:03:46,230 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:03:46,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:03:46,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:03:46,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:03:46,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:03:46,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:03:46,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:03:46,233 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:03:46,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:03:46,234 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:03:46,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:03:46,234 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:03:46,234 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:03:46,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:03:46,235 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:03:46,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:03:46,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:03:46,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:03:46,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:03:46,236 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:03:46,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:03:46,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:03:46,237 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_b68a00fe-2ae7-4a14-ba23-e954ac5907a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b68a00fe-2ae7-4a14-ba23-e954ac5907a3/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9648b26a5ec4f9065ef62bcefcc0539fba2412ec [2020-12-01 17:03:46,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:03:46,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:03:46,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:03:46,574 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:03:46,580 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:03:46,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b68a00fe-2ae7-4a14-ba23-e954ac5907a3/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2020-12-01 17:03:46,672 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b68a00fe-2ae7-4a14-ba23-e954ac5907a3/bin/ukojak/data/06debb9fb/c3aecc8d2ee04dcbadb454c16e0eef8d/FLAG57b51038c [2020-12-01 17:03:47,224 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:03:47,225 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b68a00fe-2ae7-4a14-ba23-e954ac5907a3/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2020-12-01 17:03:47,243 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b68a00fe-2ae7-4a14-ba23-e954ac5907a3/bin/ukojak/data/06debb9fb/c3aecc8d2ee04dcbadb454c16e0eef8d/FLAG57b51038c [2020-12-01 17:03:47,523 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b68a00fe-2ae7-4a14-ba23-e954ac5907a3/bin/ukojak/data/06debb9fb/c3aecc8d2ee04dcbadb454c16e0eef8d [2020-12-01 17:03:47,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:03:47,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:03:47,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:03:47,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:03:47,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:03:47,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:03:47" (1/1) ... [2020-12-01 17:03:47,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47d22c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:47, skipping insertion in model container [2020-12-01 17:03:47,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:03:47" (1/1) ... [2020-12-01 17:03:47,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:03:47,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:03:48,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:03:48,073 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:03:48,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:03:48,251 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:03:48,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:48 WrapperNode [2020-12-01 17:03:48,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:03:48,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:03:48,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:03:48,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:03:48,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:48" (1/1) ... [2020-12-01 17:03:48,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:48" (1/1) ... [2020-12-01 17:03:48,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:03:48,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:03:48,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:03:48,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:03:48,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:48" (1/1) ... [2020-12-01 17:03:48,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:48" (1/1) ... [2020-12-01 17:03:48,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:48" (1/1) ... [2020-12-01 17:03:48,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:48" (1/1) ... [2020-12-01 17:03:48,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:48" (1/1) ... [2020-12-01 17:03:48,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:48" (1/1) ... [2020-12-01 17:03:48,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:48" (1/1) ... [2020-12-01 17:03:48,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:03:48,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:03:48,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:03:48,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:03:48,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b68a00fe-2ae7-4a14-ba23-e954ac5907a3/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:03:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:03:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 17:03:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 17:03:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 17:03:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 17:03:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 17:03:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 17:03:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 17:03:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 17:03:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 17:03:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 17:03:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 17:03:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 17:03:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-12-01 17:03:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-12-01 17:03:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:03:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 17:03:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 17:03:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:03:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:03:49,808 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:03:49,809 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-12-01 17:03:49,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:03:49 BoogieIcfgContainer [2020-12-01 17:03:49,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:03:49,813 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:03:49,813 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:03:49,823 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:03:49,823 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:03:49" (1/1) ... [2020-12-01 17:03:49,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:03:49,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:49,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2020-12-01 17:03:49,879 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2020-12-01 17:03:49,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:03:49,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:50,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:50,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:50,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2020-12-01 17:03:50,263 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2020-12-01 17:03:50,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:03:50,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:50,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:50,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:50,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 81 transitions. [2020-12-01 17:03:50,476 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2020-12-01 17:03:50,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:03:50,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:50,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:50,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:50,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 72 states and 98 transitions. [2020-12-01 17:03:50,862 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2020-12-01 17:03:50,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:03:50,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:50,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:51,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:51,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 73 states and 99 transitions. [2020-12-01 17:03:51,010 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2020-12-01 17:03:51,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:03:51,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:51,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:51,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:51,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2020-12-01 17:03:51,130 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2020-12-01 17:03:51,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:03:51,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:51,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:51,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:51,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 86 states and 124 transitions. [2020-12-01 17:03:51,763 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 124 transitions. [2020-12-01 17:03:51,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 17:03:51,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:51,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:03:51,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:51,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 87 states and 125 transitions. [2020-12-01 17:03:51,820 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 125 transitions. [2020-12-01 17:03:51,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 17:03:51,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:51,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:03:51,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:51,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 88 states and 126 transitions. [2020-12-01 17:03:51,931 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 126 transitions. [2020-12-01 17:03:51,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:03:51,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:52,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:52,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:52,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 103 states and 157 transitions. [2020-12-01 17:03:52,984 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 157 transitions. [2020-12-01 17:03:52,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 17:03:52,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:53,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:53,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:53,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 104 states and 158 transitions. [2020-12-01 17:03:53,116 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 158 transitions. [2020-12-01 17:03:53,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 17:03:53,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:53,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:54,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:54,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 111 states and 171 transitions. [2020-12-01 17:03:54,012 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 171 transitions. [2020-12-01 17:03:54,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 17:03:54,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:54,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:03:56,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:56,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 123 states and 198 transitions. [2020-12-01 17:03:56,157 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 198 transitions. [2020-12-01 17:03:56,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 17:03:56,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:56,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:03:58,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:58,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 124 states and 198 transitions. [2020-12-01 17:03:58,036 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 198 transitions. [2020-12-01 17:03:58,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 17:03:58,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:58,091 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:03:58,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:58,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 129 states and 209 transitions. [2020-12-01 17:03:58,357 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 209 transitions. [2020-12-01 17:03:58,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 17:03:58,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:58,417 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:03:58,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:58,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 132 states and 215 transitions. [2020-12-01 17:03:58,575 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 215 transitions. [2020-12-01 17:03:58,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 17:03:58,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:58,871 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:03:59,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:59,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 135 states and 225 transitions. [2020-12-01 17:03:59,625 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 225 transitions. [2020-12-01 17:03:59,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 17:03:59,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:59,665 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:03:59,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:00,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 138 states and 231 transitions. [2020-12-01 17:04:00,001 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 231 transitions. [2020-12-01 17:04:00,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 17:04:00,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:00,042 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:04:00,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:00,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 141 states and 237 transitions. [2020-12-01 17:04:00,332 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 237 transitions. [2020-12-01 17:04:00,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 17:04:00,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:00,376 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 17:04:00,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:00,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 142 states and 237 transitions. [2020-12-01 17:04:00,392 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 237 transitions. [2020-12-01 17:04:00,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 17:04:00,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:00,453 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 17:04:01,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:01,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 148 states and 256 transitions. [2020-12-01 17:04:01,625 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 256 transitions. [2020-12-01 17:04:01,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 17:04:01,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:01,668 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 17:04:01,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:01,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 151 states and 262 transitions. [2020-12-01 17:04:01,813 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 262 transitions. [2020-12-01 17:04:01,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 17:04:01,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:01,882 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 17:04:03,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:03,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 158 states and 280 transitions. [2020-12-01 17:04:03,786 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 280 transitions. [2020-12-01 17:04:03,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 17:04:03,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:03,836 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 17:04:03,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:03,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 159 states and 281 transitions. [2020-12-01 17:04:03,864 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 281 transitions. [2020-12-01 17:04:03,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 17:04:03,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:03,906 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 17:04:04,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:04,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 159 states and 278 transitions. [2020-12-01 17:04:04,454 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 278 transitions. [2020-12-01 17:04:04,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 17:04:04,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:04,499 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 17:04:05,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:05,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 173 states and 300 transitions. [2020-12-01 17:04:05,234 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 300 transitions. [2020-12-01 17:04:05,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 17:04:05,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:05,301 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 17:04:05,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:05,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 174 states and 301 transitions. [2020-12-01 17:04:05,332 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 301 transitions. [2020-12-01 17:04:05,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 17:04:05,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:05,409 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 17:04:05,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:05,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 175 states and 302 transitions. [2020-12-01 17:04:05,433 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 302 transitions. [2020-12-01 17:04:05,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-01 17:04:05,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:05,477 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 17:04:05,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:05,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 176 states and 303 transitions. [2020-12-01 17:04:05,499 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 303 transitions. [2020-12-01 17:04:05,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 17:04:05,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:05,836 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:04:06,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:06,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 176 states and 298 transitions. [2020-12-01 17:04:06,864 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 298 transitions. [2020-12-01 17:04:06,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 17:04:06,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:07,137 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 17:04:07,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:07,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 176 states and 296 transitions. [2020-12-01 17:04:07,952 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 296 transitions. [2020-12-01 17:04:07,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 17:04:07,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:07,998 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-12-01 17:04:08,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:08,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 182 states and 308 transitions. [2020-12-01 17:04:08,366 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 308 transitions. [2020-12-01 17:04:08,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-01 17:04:08,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:08,419 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-12-01 17:04:08,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:08,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 183 states and 309 transitions. [2020-12-01 17:04:08,465 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 309 transitions. [2020-12-01 17:04:08,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-01 17:04:08,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:08,516 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-12-01 17:04:08,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:08,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 185 states and 312 transitions. [2020-12-01 17:04:08,563 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 312 transitions. [2020-12-01 17:04:08,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-01 17:04:08,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:08,626 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-12-01 17:04:10,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:10,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 185 states and 310 transitions. [2020-12-01 17:04:10,282 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 310 transitions. [2020-12-01 17:04:10,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-01 17:04:10,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:10,348 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-12-01 17:04:11,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:11,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 116 states and 163 transitions. [2020-12-01 17:04:11,086 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 163 transitions. [2020-12-01 17:04:11,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:04:11,087 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2020-12-01 17:04:11,094 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:04:11,470 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:04:11,473 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:04:11,474 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 17:04:11,478 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:04:11,478 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:04:11,479 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2020-12-01 17:04:11,480 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:04:11,480 INFO L569 CodeCheckObserver]: Invariant with dag size 6 [2020-12-01 17:04:11,481 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-12-01 17:04:11,482 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 17:04:11,483 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 17:04:11,484 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:04:11,484 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:04:11,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:04:11 ImpRootNode [2020-12-01 17:04:11,484 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:04:11,485 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:04:11,485 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:04:11,485 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:04:11,486 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:03:49" (3/4) ... [2020-12-01 17:04:11,489 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:04:11,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 17:04:11,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 17:04:11,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 17:04:11,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 17:04:11,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 17:04:11,497 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 17:04:11,497 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-12-01 17:04:11,497 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-12-01 17:04:11,507 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2020-12-01 17:04:11,508 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-01 17:04:11,508 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 17:04:11,509 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 17:04:11,510 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:04:11,510 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:04:11,511 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:04:11,558 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive [2020-12-01 17:04:11,561 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-12-01 17:04:11,636 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b68a00fe-2ae7-4a14-ba23-e954ac5907a3/bin/ukojak/witness.graphml [2020-12-01 17:04:11,641 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:04:11,643 INFO L168 Benchmark]: Toolchain (without parser) took 24115.04 ms. Allocated memory was 104.9 MB in the beginning and 390.1 MB in the end (delta: 285.2 MB). Free memory was 75.7 MB in the beginning and 210.5 MB in the end (delta: -134.8 MB). Peak memory consumption was 151.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:04:11,644 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 104.9 MB. Free memory is still 61.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:04:11,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.62 ms. Allocated memory is still 104.9 MB. Free memory was 75.4 MB in the beginning and 70.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:04:11,645 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.06 ms. Allocated memory is still 104.9 MB. Free memory was 70.5 MB in the beginning and 68.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:04:11,645 INFO L168 Benchmark]: Boogie Preprocessor took 34.84 ms. Allocated memory is still 104.9 MB. Free memory was 68.0 MB in the beginning and 66.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:04:11,646 INFO L168 Benchmark]: RCFGBuilder took 1453.69 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 66.3 MB in the beginning and 98.1 MB in the end (delta: -31.7 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:04:11,647 INFO L168 Benchmark]: CodeCheck took 21671.85 ms. Allocated memory was 127.9 MB in the beginning and 390.1 MB in the end (delta: 262.1 MB). Free memory was 98.1 MB in the beginning and 215.7 MB in the end (delta: -117.6 MB). Peak memory consumption was 144.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:04:11,647 INFO L168 Benchmark]: Witness Printer took 155.92 ms. Allocated memory is still 390.1 MB. Free memory was 215.7 MB in the beginning and 210.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:04:11,650 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, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.2s, OverallIterations: 36, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1842891192 SDtfs, 84009138 SDslu, 1875989068 SDs, 0 SdLazy, -478345974 SolverSat, -579570184 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18655 GetRequests, 18337 SyntacticMatches, 33 SemanticMatches, 285 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33502 ImplicationChecksByTransitivity, 15.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1932 NumberOfCodeBlocks, 1932 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1897 ConstructedInterpolants, 0 QuantifiedInterpolants, 215123 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 26 PerfectInterpolantSequences, 943/985 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: 691]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: ((!(splverifierCounter == 0) || methaneLevelCritical == 0) || 0 == systemActive) || pumpRunning == 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 || pumpRunning == 0 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: 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 104.9 MB. Free memory is still 61.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 709.62 ms. Allocated memory is still 104.9 MB. Free memory was 75.4 MB in the beginning and 70.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.06 ms. Allocated memory is still 104.9 MB. Free memory was 70.5 MB in the beginning and 68.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.84 ms. Allocated memory is still 104.9 MB. Free memory was 68.0 MB in the beginning and 66.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1453.69 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 66.3 MB in the beginning and 98.1 MB in the end (delta: -31.7 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. * CodeCheck took 21671.85 ms. Allocated memory was 127.9 MB in the beginning and 390.1 MB in the end (delta: 262.1 MB). Free memory was 98.1 MB in the beginning and 215.7 MB in the end (delta: -117.6 MB). Peak memory consumption was 144.5 MB. Max. memory is 16.1 GB. * Witness Printer took 155.92 ms. Allocated memory is still 390.1 MB. Free memory was 215.7 MB in the beginning and 210.5 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...