./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_42a146c7-4b42-49aa-9ef1-5ab718dc086b/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_42a146c7-4b42-49aa-9ef1-5ab718dc086b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_42a146c7-4b42-49aa-9ef1-5ab718dc086b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_42a146c7-4b42-49aa-9ef1-5ab718dc086b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_42a146c7-4b42-49aa-9ef1-5ab718dc086b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_42a146c7-4b42-49aa-9ef1-5ab718dc086b/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 40c03acb761953b49167bc0508d57daafd17b745 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-a4ecdab [2020-11-30 00:08:01,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:08:01,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:08:01,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:08:01,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:08:01,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:08:01,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:08:01,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:08:01,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:08:01,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:08:01,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:08:01,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:08:01,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:08:01,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:08:01,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:08:01,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:08:01,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:08:01,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:08:01,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:08:01,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:08:01,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:08:01,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:08:01,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:08:01,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:08:01,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:08:01,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:08:01,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:08:01,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:08:01,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:08:01,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:08:01,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:08:01,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:08:01,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:08:01,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:08:01,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:08:01,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:08:01,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:08:01,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:08:01,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:08:01,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:08:01,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:08:01,548 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_42a146c7-4b42-49aa-9ef1-5ab718dc086b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 00:08:01,579 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:08:01,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:08:01,581 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:08:01,581 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:08:01,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:08:01,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:08:01,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:08:01,583 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:08:01,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:08:01,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:08:01,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:08:01,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:08:01,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:08:01,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:08:01,585 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:08:01,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:08:01,586 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:08:01,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:08:01,586 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:08:01,587 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:08:01,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:08:01,587 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:08:01,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:08:01,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:08:01,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:08:01,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:08:01,589 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 00:08:01,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:08:01,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:08:01,590 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_42a146c7-4b42-49aa-9ef1-5ab718dc086b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_42a146c7-4b42-49aa-9ef1-5ab718dc086b/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40c03acb761953b49167bc0508d57daafd17b745 [2020-11-30 00:08:01,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:08:01,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:08:01,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:08:01,979 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:08:01,980 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:08:01,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_42a146c7-4b42-49aa-9ef1-5ab718dc086b/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c [2020-11-30 00:08:02,079 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_42a146c7-4b42-49aa-9ef1-5ab718dc086b/bin/ukojak/data/45fed03e4/5fcc5484a806400dbaa59207243391b9/FLAG61a38c4b0 [2020-11-30 00:08:02,819 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:08:02,820 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_42a146c7-4b42-49aa-9ef1-5ab718dc086b/sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c [2020-11-30 00:08:02,837 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_42a146c7-4b42-49aa-9ef1-5ab718dc086b/bin/ukojak/data/45fed03e4/5fcc5484a806400dbaa59207243391b9/FLAG61a38c4b0 [2020-11-30 00:08:03,116 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_42a146c7-4b42-49aa-9ef1-5ab718dc086b/bin/ukojak/data/45fed03e4/5fcc5484a806400dbaa59207243391b9 [2020-11-30 00:08:03,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:08:03,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:08:03,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:08:03,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:08:03,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:08:03,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:08:03" (1/1) ... [2020-11-30 00:08:03,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25a61f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:08:03, skipping insertion in model container [2020-11-30 00:08:03,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:08:03" (1/1) ... [2020-11-30 00:08:03,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:08:03,233 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:08:03,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:08:03,719 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:08:03,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:08:03,861 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:08:03,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:08:03 WrapperNode [2020-11-30 00:08:03,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:08:03,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:08:03,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:08:03,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:08:03,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:08:03" (1/1) ... [2020-11-30 00:08:03,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:08:03" (1/1) ... [2020-11-30 00:08:03,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:08:03,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:08:03,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:08:03,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:08:03,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:08:03" (1/1) ... [2020-11-30 00:08:03,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:08:03" (1/1) ... [2020-11-30 00:08:03,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:08:03" (1/1) ... [2020-11-30 00:08:03,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:08:03" (1/1) ... [2020-11-30 00:08:03,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:08:03" (1/1) ... [2020-11-30 00:08:03,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:08:03" (1/1) ... [2020-11-30 00:08:03,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:08:03" (1/1) ... [2020-11-30 00:08:03,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:08:03,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:08:03,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:08:03,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:08:03,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:08:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_42a146c7-4b42-49aa-9ef1-5ab718dc086b/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:08:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:08:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-30 00:08:04,087 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-30 00:08:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-30 00:08:04,089 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-30 00:08:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-30 00:08:04,090 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-30 00:08:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-30 00:08:04,091 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-30 00:08:04,092 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-30 00:08:04,092 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-30 00:08:04,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:08:04,093 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-30 00:08:04,093 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-30 00:08:04,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:08:04,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:08:06,134 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:08:06,134 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-30 00:08:06,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:08:06 BoogieIcfgContainer [2020-11-30 00:08:06,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:08:06,139 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 00:08:06,139 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 00:08:06,155 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 00:08:06,155 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:08:06" (1/1) ... [2020-11-30 00:08:06,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:08:06,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:06,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2020-11-30 00:08:06,232 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2020-11-30 00:08:06,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 00:08:06,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:06,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:08:06,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:06,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2020-11-30 00:08:06,623 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-11-30 00:08:06,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:08:06,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:06,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:08:06,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:06,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2020-11-30 00:08:06,828 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-11-30 00:08:06,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:08:06,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:07,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:08:07,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:07,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2020-11-30 00:08:07,467 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-11-30 00:08:07,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 00:08:07,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:07,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:08:08,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:08,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 69 states and 102 transitions. [2020-11-30 00:08:08,359 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2020-11-30 00:08:08,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 00:08:08,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:08,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:08:09,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:09,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 83 states and 137 transitions. [2020-11-30 00:08:09,795 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 137 transitions. [2020-11-30 00:08:09,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 00:08:09,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:09,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:08:10,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:10,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 93 states and 157 transitions. [2020-11-30 00:08:10,832 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 157 transitions. [2020-11-30 00:08:10,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 00:08:10,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:10,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:08:11,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:11,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 94 states and 160 transitions. [2020-11-30 00:08:11,106 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 160 transitions. [2020-11-30 00:08:11,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 00:08:11,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:11,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:08:11,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:11,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 97 states and 164 transitions. [2020-11-30 00:08:11,459 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 164 transitions. [2020-11-30 00:08:11,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:08:11,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:11,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:08:11,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:11,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 106 states and 180 transitions. [2020-11-30 00:08:11,685 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 180 transitions. [2020-11-30 00:08:11,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-30 00:08:11,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:12,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 00:08:12,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:12,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 109 states and 186 transitions. [2020-11-30 00:08:12,588 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 186 transitions. [2020-11-30 00:08:12,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 00:08:12,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:12,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:08:12,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:12,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 109 states and 185 transitions. [2020-11-30 00:08:12,700 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 185 transitions. [2020-11-30 00:08:12,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 00:08:12,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:12,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 00:08:13,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:13,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 109 states and 184 transitions. [2020-11-30 00:08:13,195 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 184 transitions. [2020-11-30 00:08:13,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-30 00:08:13,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:13,254 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:08:14,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:14,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 115 states and 199 transitions. [2020-11-30 00:08:14,248 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 199 transitions. [2020-11-30 00:08:14,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-30 00:08:14,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:14,326 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:08:15,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:15,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 123 states and 213 transitions. [2020-11-30 00:08:15,200 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 213 transitions. [2020-11-30 00:08:15,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-30 00:08:15,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:15,258 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:08:15,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:15,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 127 states and 219 transitions. [2020-11-30 00:08:15,367 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 219 transitions. [2020-11-30 00:08:15,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-30 00:08:15,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:15,458 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:08:15,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:15,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 128 states and 220 transitions. [2020-11-30 00:08:15,515 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 220 transitions. [2020-11-30 00:08:15,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-30 00:08:15,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:15,972 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:08:17,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:17,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 130 states and 226 transitions. [2020-11-30 00:08:17,384 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 226 transitions. [2020-11-30 00:08:17,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-30 00:08:17,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:17,473 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:08:17,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:17,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 133 states and 233 transitions. [2020-11-30 00:08:17,756 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 233 transitions. [2020-11-30 00:08:17,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 00:08:17,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:17,978 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:08:19,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:19,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 139 states and 250 transitions. [2020-11-30 00:08:19,979 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 250 transitions. [2020-11-30 00:08:19,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-30 00:08:19,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:20,046 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:08:20,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:20,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 150 states and 266 transitions. [2020-11-30 00:08:20,740 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 266 transitions. [2020-11-30 00:08:20,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 00:08:20,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:20,946 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-30 00:08:22,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:22,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 155 states and 273 transitions. [2020-11-30 00:08:22,930 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 273 transitions. [2020-11-30 00:08:22,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-30 00:08:22,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:22,980 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 00:08:24,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:24,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 165 states and 292 transitions. [2020-11-30 00:08:24,954 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 292 transitions. [2020-11-30 00:08:24,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-30 00:08:24,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:25,863 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-30 00:08:31,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:08:31,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 178 states and 318 transitions. [2020-11-30 00:08:31,528 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 318 transitions. [2020-11-30 00:08:31,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-30 00:08:31,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:08:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:08:31,617 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:08:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:08:31,752 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:08:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:08:32,078 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:08:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:08:32,199 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:08:32,363 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 24 iterations. [2020-11-30 00:08:32,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 12:08:32 ImpRootNode [2020-11-30 00:08:32,764 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 00:08:32,765 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:08:32,765 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:08:32,765 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:08:32,766 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:08:06" (3/4) ... [2020-11-30 00:08:32,769 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 00:08:32,954 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_42a146c7-4b42-49aa-9ef1-5ab718dc086b/bin/ukojak/witness.graphml [2020-11-30 00:08:32,954 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:08:32,964 INFO L168 Benchmark]: Toolchain (without parser) took 29832.58 ms. Allocated memory was 127.9 MB in the beginning and 356.5 MB in the end (delta: 228.6 MB). Free memory was 96.1 MB in the beginning and 173.3 MB in the end (delta: -77.2 MB). Peak memory consumption was 152.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:08:32,966 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 79.7 MB. Free memory was 40.8 MB in the beginning and 40.8 MB in the end (delta: 22.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:08:32,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.88 ms. Allocated memory is still 127.9 MB. Free memory was 96.1 MB in the beginning and 93.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:08:32,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.73 ms. Allocated memory is still 127.9 MB. Free memory was 93.7 MB in the beginning and 90.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:08:32,968 INFO L168 Benchmark]: Boogie Preprocessor took 43.56 ms. Allocated memory is still 127.9 MB. Free memory was 90.8 MB in the beginning and 88.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:08:32,969 INFO L168 Benchmark]: RCFGBuilder took 2157.01 ms. Allocated memory is still 127.9 MB. Free memory was 88.7 MB in the beginning and 80.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 55.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:08:32,969 INFO L168 Benchmark]: CodeCheck took 26624.81 ms. Allocated memory was 127.9 MB in the beginning and 356.5 MB in the end (delta: 228.6 MB). Free memory was 80.4 MB in the beginning and 193.3 MB in the end (delta: -112.9 MB). Peak memory consumption was 114.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:08:32,969 INFO L168 Benchmark]: Witness Printer took 189.58 ms. Allocated memory is still 356.5 MB. Free memory was 193.3 MB in the beginning and 173.3 MB in the end (delta: 20.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:08:32,972 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: 26.1s, OverallIterations: 24, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 184886648 SDtfs, 69461090 SDslu, 128552364 SDs, 0 SdLazy, 151463522 SolverSat, 44893748 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7719 GetRequests, 7440 SyntacticMatches, 17 SemanticMatches, 262 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30352 ImplicationChecksByTransitivity, 19.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 801 NumberOfCodeBlocks, 801 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 726 ConstructedInterpolants, 0 QuantifiedInterpolants, 61300 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 19 PerfectInterpolantSequences, 152/164 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: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L415] int waterLevel = 1; [L416] int methaneLevelCritical = 0; [L583] int pumpRunning = 0; [L584] int systemActive = 1; [L835] int cleanupTimeShifts = 4; [L908] int retValue_acc ; [L909] int tmp ; [L826] int retValue_acc ; [L829] retValue_acc = 1 [L830] return (retValue_acc); [L915] tmp = valid_product() [L917] COND TRUE \read(tmp) [L513] int splverifierCounter ; [L514] int tmp ; [L515] int tmp___0 ; [L516] int tmp___1 ; [L517] int tmp___2 ; [L520] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L522] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L524] COND TRUE splverifierCounter < 4 [L530] tmp = __VERIFIER_nondet_int() [L532] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L534] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L433] COND TRUE waterLevel < 2 [L434] waterLevel = waterLevel + 1 [L534] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L540] tmp___0 = __VERIFIER_nondet_int() [L542] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L550] tmp___2 = __VERIFIER_nondet_int() [L552] COND TRUE \read(tmp___2) [L757] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L567] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L591] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L598] COND TRUE \read(systemActive) [L620] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L623] COND TRUE ! pumpRunning [L735] int retValue_acc ; [L736] int tmp ; [L737] int tmp___0 ; [L495] int retValue_acc ; [L498] COND FALSE !(waterLevel < 2) [L502] retValue_acc = 0 [L503] return (retValue_acc); [L741] tmp = isHighWaterSensorDry() [L743] COND FALSE !(\read(tmp)) [L746] tmp___0 = 1 [L748] retValue_acc = tmp___0 [L749] return (retValue_acc); [L625] tmp = isHighWaterLevel() [L627] COND TRUE \read(tmp) [L654] int tmp ; [L679] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L683] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L454] int retValue_acc ; [L457] retValue_acc = methaneLevelCritical [L458] return (retValue_acc); [L683] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L683] retValue_acc = isMethaneLevelCritical() [L685] return (retValue_acc); [L658] tmp = isMethaneAlarm() [L660] COND FALSE !(\read(tmp)) [L648] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L772] int tmp ; [L773] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L777] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L454] int retValue_acc ; [L457] retValue_acc = methaneLevelCritical [L458] return (retValue_acc); [L777] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L777] tmp = isMethaneLevelCritical() [L779] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L567] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L522] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L524] COND TRUE splverifierCounter < 4 [L530] tmp = __VERIFIER_nondet_int() [L532] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L540] tmp___0 = __VERIFIER_nondet_int() [L542] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L544] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L445] COND FALSE !(\read(methaneLevelCritical)) [L448] methaneLevelCritical = 1 [L544] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L550] tmp___2 = __VERIFIER_nondet_int() [L552] COND FALSE !(\read(tmp___2)) [L558] tmp___1 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L567] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L591] COND TRUE \read(pumpRunning) [L421] COND TRUE waterLevel > 0 [L422] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L598] COND TRUE \read(systemActive) [L620] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L623] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L638] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L772] int tmp ; [L773] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L777] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L454] int retValue_acc ; [L457] retValue_acc = methaneLevelCritical [L458] return (retValue_acc); [L777] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L777] tmp = isMethaneLevelCritical() [L779] COND TRUE \read(tmp) [L690] int retValue_acc ; [L693] retValue_acc = pumpRunning [L694] return (retValue_acc); [L781] tmp___0 = isPumpRunning() [L783] 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_product42.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 0.37 ms. Allocated memory is still 79.7 MB. Free memory was 40.8 MB in the beginning and 40.8 MB in the end (delta: 22.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 720.88 ms. Allocated memory is still 127.9 MB. Free memory was 96.1 MB in the beginning and 93.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.73 ms. Allocated memory is still 127.9 MB. Free memory was 93.7 MB in the beginning and 90.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.56 ms. Allocated memory is still 127.9 MB. Free memory was 90.8 MB in the beginning and 88.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2157.01 ms. Allocated memory is still 127.9 MB. Free memory was 88.7 MB in the beginning and 80.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 55.1 MB. Max. memory is 16.1 GB. * CodeCheck took 26624.81 ms. Allocated memory was 127.9 MB in the beginning and 356.5 MB in the end (delta: 228.6 MB). Free memory was 80.4 MB in the beginning and 193.3 MB in the end (delta: -112.9 MB). Peak memory consumption was 114.4 MB. Max. memory is 16.1 GB. * Witness Printer took 189.58 ms. Allocated memory is still 356.5 MB. Free memory was 193.3 MB in the beginning and 173.3 MB in the end (delta: 20.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...