./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product43.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_e17e4ccc-e616-4d96-b947-478dbed59cb8/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e17e4ccc-e616-4d96-b947-478dbed59cb8/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e17e4ccc-e616-4d96-b947-478dbed59cb8/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e17e4ccc-e616-4d96-b947-478dbed59cb8/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e17e4ccc-e616-4d96-b947-478dbed59cb8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e17e4ccc-e616-4d96-b947-478dbed59cb8/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 ae87ed11769153d118b606184b0208d26c3c2750 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:58:41,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:58:41,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:58:41,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:58:41,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:58:41,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:58:41,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:58:41,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:58:41,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:58:41,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:58:41,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:58:41,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:58:41,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:58:41,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:58:41,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:58:41,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:58:41,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:58:41,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:58:41,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:58:41,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:58:41,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:58:41,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:58:41,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:58:41,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:58:41,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:58:41,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:58:41,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:58:41,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:58:41,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:58:41,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:58:41,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:58:41,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:58:41,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:58:41,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:58:41,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:58:41,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:58:41,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:58:41,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:58:41,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:58:41,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:58:41,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:58:41,549 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e17e4ccc-e616-4d96-b947-478dbed59cb8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:58:41,606 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:58:41,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:58:41,609 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:58:41,610 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:58:41,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:58:41,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:58:41,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:58:41,612 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:58:41,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:58:41,613 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:58:41,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:58:41,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:58:41,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:58:41,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:58:41,616 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:58:41,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:58:41,617 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:58:41,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:58:41,618 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:58:41,618 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:58:41,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:58:41,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:58:41,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:58:41,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:58:41,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:58:41,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:58:41,621 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:58:41,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:58:41,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:58:41,624 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_e17e4ccc-e616-4d96-b947-478dbed59cb8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e17e4ccc-e616-4d96-b947-478dbed59cb8/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae87ed11769153d118b606184b0208d26c3c2750 [2020-12-01 17:58:42,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:58:42,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:58:42,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:58:42,070 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:58:42,075 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:58:42,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e17e4ccc-e616-4d96-b947-478dbed59cb8/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c [2020-12-01 17:58:42,211 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e17e4ccc-e616-4d96-b947-478dbed59cb8/bin/ukojak/data/379750470/6d181ec9de1c4ff89b42431ed3cf6359/FLAGf702e5f58 [2020-12-01 17:58:42,886 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:58:42,887 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e17e4ccc-e616-4d96-b947-478dbed59cb8/sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c [2020-12-01 17:58:42,916 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e17e4ccc-e616-4d96-b947-478dbed59cb8/bin/ukojak/data/379750470/6d181ec9de1c4ff89b42431ed3cf6359/FLAGf702e5f58 [2020-12-01 17:58:43,179 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e17e4ccc-e616-4d96-b947-478dbed59cb8/bin/ukojak/data/379750470/6d181ec9de1c4ff89b42431ed3cf6359 [2020-12-01 17:58:43,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:58:43,185 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:58:43,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:58:43,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:58:43,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:58:43,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:58:43" (1/1) ... [2020-12-01 17:58:43,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f17b07a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:43, skipping insertion in model container [2020-12-01 17:58:43,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:58:43" (1/1) ... [2020-12-01 17:58:43,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:58:43,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:58:43,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:58:43,754 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:58:43,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:58:43,934 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:58:43,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:43 WrapperNode [2020-12-01 17:58:43,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:58:43,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:58:43,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:58:43,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:58:43,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:43" (1/1) ... [2020-12-01 17:58:43,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:43" (1/1) ... [2020-12-01 17:58:44,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:58:44,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:58:44,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:58:44,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:58:44,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:43" (1/1) ... [2020-12-01 17:58:44,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:43" (1/1) ... [2020-12-01 17:58:44,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:43" (1/1) ... [2020-12-01 17:58:44,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:43" (1/1) ... [2020-12-01 17:58:44,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:43" (1/1) ... [2020-12-01 17:58:44,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:43" (1/1) ... [2020-12-01 17:58:44,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:43" (1/1) ... [2020-12-01 17:58:44,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:58:44,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:58:44,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:58:44,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:58:44,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e17e4ccc-e616-4d96-b947-478dbed59cb8/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 17:58:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:58:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 17:58:44,267 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 17:58:44,269 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 17:58:44,269 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 17:58:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 17:58:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 17:58:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 17:58:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 17:58:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 17:58:44,273 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 17:58:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:58:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 17:58:44,274 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 17:58:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:58:44,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:58:46,159 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:58:46,160 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-01 17:58:46,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:58:46 BoogieIcfgContainer [2020-12-01 17:58:46,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:58:46,165 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:58:46,165 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:58:46,179 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:58:46,180 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:58:46" (1/1) ... [2020-12-01 17:58:46,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:58:46,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:46,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2020-12-01 17:58:46,250 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2020-12-01 17:58:46,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:58:46,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:46,591 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 17:58:46,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:46,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2020-12-01 17:58:46,621 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-12-01 17:58:46,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:58:46,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:46,890 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 17:58:46,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:46,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2020-12-01 17:58:46,936 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-12-01 17:58:46,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:58:46,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:47,197 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 17:58:47,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:47,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2020-12-01 17:58:47,637 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2020-12-01 17:58:47,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:58:47,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:47,810 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 17:58:47,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:47,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 64 states and 91 transitions. [2020-12-01 17:58:47,826 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2020-12-01 17:58:47,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:58:47,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:47,956 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 17:58:48,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:48,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 74 states and 113 transitions. [2020-12-01 17:58:48,695 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2020-12-01 17:58:48,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:58:48,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:49,325 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 17:58:51,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:51,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 89 states and 146 transitions. [2020-12-01 17:58:51,289 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 146 transitions. [2020-12-01 17:58:51,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:58:51,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:51,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:51,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:51,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 89 states and 145 transitions. [2020-12-01 17:58:51,382 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 145 transitions. [2020-12-01 17:58:51,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:58:51,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:51,504 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 17:58:51,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:51,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 92 states and 152 transitions. [2020-12-01 17:58:51,728 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 152 transitions. [2020-12-01 17:58:51,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:58:51,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:51,813 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 17:58:52,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:52,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 95 states and 158 transitions. [2020-12-01 17:58:52,110 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 158 transitions. [2020-12-01 17:58:52,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:58:52,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:52,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:58:52,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:52,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 99 states and 163 transitions. [2020-12-01 17:58:52,247 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 163 transitions. [2020-12-01 17:58:52,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:58:52,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:52,416 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 17:58:52,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:52,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 99 states and 162 transitions. [2020-12-01 17:58:52,756 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 162 transitions. [2020-12-01 17:58:52,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 17:58:52,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:52,805 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 17:58:53,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:53,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 104 states and 173 transitions. [2020-12-01 17:58:53,376 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 173 transitions. [2020-12-01 17:58:53,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 17:58:53,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:53,443 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:58:53,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:53,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 107 states and 179 transitions. [2020-12-01 17:58:53,581 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 179 transitions. [2020-12-01 17:58:53,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 17:58:53,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:53,898 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 17:58:54,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:54,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 110 states and 185 transitions. [2020-12-01 17:58:54,783 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 185 transitions. [2020-12-01 17:58:54,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:58:54,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:54,865 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:58:55,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:55,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 113 states and 193 transitions. [2020-12-01 17:58:55,429 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 193 transitions. [2020-12-01 17:58:55,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 17:58:55,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:55,500 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 17:58:55,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:55,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 115 states and 197 transitions. [2020-12-01 17:58:55,880 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 197 transitions. [2020-12-01 17:58:55,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 17:58:55,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:56,324 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:58:58,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:58,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 123 states and 218 transitions. [2020-12-01 17:58:58,371 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 218 transitions. [2020-12-01 17:58:58,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 17:58:58,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:58,814 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:59:01,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:01,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 135 states and 246 transitions. [2020-12-01 17:59:01,335 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 246 transitions. [2020-12-01 17:59:01,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:59:01,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:01,446 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:59:01,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:01,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 136 states and 247 transitions. [2020-12-01 17:59:01,518 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 247 transitions. [2020-12-01 17:59:01,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:59:01,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:01,979 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:59:05,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:05,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 147 states and 272 transitions. [2020-12-01 17:59:05,047 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 272 transitions. [2020-12-01 17:59:05,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 17:59:05,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:05,108 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:59:06,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:06,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 152 states and 279 transitions. [2020-12-01 17:59:06,677 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 279 transitions. [2020-12-01 17:59:06,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:59:06,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:06,722 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:59:07,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:07,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 152 states and 277 transitions. [2020-12-01 17:59:07,779 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 277 transitions. [2020-12-01 17:59:07,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 17:59:07,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:08,878 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:59:14,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:14,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 165 states and 308 transitions. [2020-12-01 17:59:14,841 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 308 transitions. [2020-12-01 17:59:14,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:59:14,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:59:14,929 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:59:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:59:15,029 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:59:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:59:15,408 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:59:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:59:15,741 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:59:18,877 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 24 iterations. [2020-12-01 17:59:19,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:59:19 ImpRootNode [2020-12-01 17:59:19,125 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:59:19,126 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:59:19,126 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:59:19,127 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:59:19,132 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:58:46" (3/4) ... [2020-12-01 17:59:19,135 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 17:59:19,403 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e17e4ccc-e616-4d96-b947-478dbed59cb8/bin/ukojak/witness.graphml [2020-12-01 17:59:19,404 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:59:19,406 INFO L168 Benchmark]: Toolchain (without parser) took 36220.05 ms. Allocated memory was 96.5 MB in the beginning and 434.1 MB in the end (delta: 337.6 MB). Free memory was 63.4 MB in the beginning and 315.8 MB in the end (delta: -252.3 MB). Peak memory consumption was 84.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:59:19,407 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 96.5 MB. Free memory was 55.5 MB in the beginning and 55.5 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:59:19,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.10 ms. Allocated memory is still 96.5 MB. Free memory was 63.2 MB in the beginning and 62.5 MB in the end (delta: 738.8 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:59:19,408 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.52 ms. Allocated memory is still 96.5 MB. Free memory was 62.5 MB in the beginning and 60.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:59:19,409 INFO L168 Benchmark]: Boogie Preprocessor took 76.44 ms. Allocated memory is still 96.5 MB. Free memory was 60.0 MB in the beginning and 57.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:59:19,409 INFO L168 Benchmark]: RCFGBuilder took 2026.74 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 57.9 MB in the beginning and 81.1 MB in the end (delta: -23.2 MB). Peak memory consumption was 34.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:59:19,410 INFO L168 Benchmark]: CodeCheck took 32960.68 ms. Allocated memory was 117.4 MB in the beginning and 434.1 MB in the end (delta: 316.7 MB). Free memory was 80.8 MB in the beginning and 335.7 MB in the end (delta: -254.8 MB). Peak memory consumption was 62.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:59:19,411 INFO L168 Benchmark]: Witness Printer took 277.82 ms. Allocated memory is still 434.1 MB. Free memory was 335.7 MB in the beginning and 315.8 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:59:19,414 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 7 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 32.6s, OverallIterations: 24, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 211193220 SDtfs, 70836182 SDslu, 120619284 SDs, 0 SdLazy, 130010458 SolverSat, 42513944 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7967 GetRequests, 7585 SyntacticMatches, 96 SemanticMatches, 286 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37004 ImplicationChecksByTransitivity, 22.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 801 NumberOfCodeBlocks, 801 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 726 ConstructedInterpolants, 0 QuantifiedInterpolants, 78219 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 16 PerfectInterpolantSequences, 118/170 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 - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int waterLevel = 1; [L50] int methaneLevelCritical = 0; [L149] int pumpRunning = 0; [L150] int systemActive = 1; [L438] int cleanupTimeShifts = 4; [L706] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L514] int retValue_acc ; [L515] int tmp ; [L929] int retValue_acc ; [L932] retValue_acc = 1 [L933] return (retValue_acc); [L521] tmp = valid_product() [L523] COND TRUE \read(tmp) [L337] int splverifierCounter ; [L338] int tmp ; [L339] int tmp___0 ; [L340] int tmp___1 ; [L341] int tmp___2 ; [L344] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L346] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L348] COND TRUE splverifierCounter < 4 [L354] tmp = __VERIFIER_nondet_int() [L356] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L358] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L67] COND TRUE waterLevel < 2 [L68] waterLevel = waterLevel + 1 [L358] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L364] tmp___0 = __VERIFIER_nondet_int() [L366] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L374] tmp___2 = __VERIFIER_nondet_int() [L376] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L391] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L157] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L164] COND TRUE \read(systemActive) [L186] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L189] COND TRUE ! pumpRunning [L301] int retValue_acc ; [L302] int tmp ; [L303] int tmp___0 ; [L129] int retValue_acc ; [L132] COND FALSE !(waterLevel < 2) [L136] retValue_acc = 0 [L137] return (retValue_acc); [L307] tmp = isHighWaterSensorDry() [L309] COND FALSE !(\read(tmp)) [L312] tmp___0 = 1 [L314] retValue_acc = tmp___0 [L315] return (retValue_acc); [L191] tmp = isHighWaterLevel() [L193] COND TRUE \read(tmp) [L220] int tmp ; [L245] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L249] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L249] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L249] retValue_acc = isMethaneLevelCritical() [L251] return (retValue_acc); [L224] tmp = isMethaneAlarm() [L226] COND FALSE !(\read(tmp)) [L214] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L413] int tmp ; [L414] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L418] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L418] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L418] tmp = isMethaneLevelCritical() [L420] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L391] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L346] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L348] COND TRUE splverifierCounter < 4 [L354] tmp = __VERIFIER_nondet_int() [L356] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L364] tmp___0 = __VERIFIER_nondet_int() [L366] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L368] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L79] COND FALSE !(\read(methaneLevelCritical)) [L82] methaneLevelCritical = 1 [L368] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L374] tmp___2 = __VERIFIER_nondet_int() [L376] COND FALSE !(\read(tmp___2)) [L380] tmp___1 = __VERIFIER_nondet_int() [L382] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L391] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L157] COND TRUE \read(pumpRunning) [L55] COND TRUE waterLevel > 0 [L56] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L164] COND TRUE \read(systemActive) [L186] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L189] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L204] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L413] int tmp ; [L414] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L418] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L418] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L418] tmp = isMethaneLevelCritical() [L420] COND TRUE \read(tmp) [L256] int retValue_acc ; [L259] retValue_acc = pumpRunning [L260] return (retValue_acc); [L422] tmp___0 = isPumpRunning() [L424] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L3] __assert_fail("0", "minepump_spec1_product43.cil.c", 3, "reach_error") VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 96.5 MB. Free memory was 55.5 MB in the beginning and 55.5 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 749.10 ms. Allocated memory is still 96.5 MB. Free memory was 63.2 MB in the beginning and 62.5 MB in the end (delta: 738.8 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 120.52 ms. Allocated memory is still 96.5 MB. Free memory was 62.5 MB in the beginning and 60.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.44 ms. Allocated memory is still 96.5 MB. Free memory was 60.0 MB in the beginning and 57.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2026.74 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 57.9 MB in the beginning and 81.1 MB in the end (delta: -23.2 MB). Peak memory consumption was 34.9 MB. Max. memory is 16.1 GB. * CodeCheck took 32960.68 ms. Allocated memory was 117.4 MB in the beginning and 434.1 MB in the end (delta: 316.7 MB). Free memory was 80.8 MB in the beginning and 335.7 MB in the end (delta: -254.8 MB). Peak memory consumption was 62.9 MB. Max. memory is 16.1 GB. * Witness Printer took 277.82 ms. Allocated memory is still 434.1 MB. Free memory was 335.7 MB in the beginning and 315.8 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...