./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product44.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_808ab0b5-7504-4efb-ad41-38414c3ad58c/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_808ab0b5-7504-4efb-ad41-38414c3ad58c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_808ab0b5-7504-4efb-ad41-38414c3ad58c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_808ab0b5-7504-4efb-ad41-38414c3ad58c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product44.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_808ab0b5-7504-4efb-ad41-38414c3ad58c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_808ab0b5-7504-4efb-ad41-38414c3ad58c/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 d4eb13f545cea9ac583f40da9d0bc0269dc50786 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 [2020-11-28 04:32:58,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:32:58,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:32:58,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:32:58,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:32:58,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:32:58,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:32:58,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:32:58,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:32:58,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:32:58,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:32:58,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:32:58,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:32:58,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:32:58,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:32:58,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:32:58,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:32:58,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:32:58,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:32:58,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:32:58,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:32:58,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:32:58,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:32:58,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:32:58,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:32:58,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:32:58,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:32:58,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:32:58,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:32:58,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:32:58,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:32:58,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:32:58,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:32:58,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:32:58,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:32:58,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:32:58,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:32:58,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:32:58,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:32:58,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:32:58,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:32:58,315 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_808ab0b5-7504-4efb-ad41-38414c3ad58c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:32:58,354 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:32:58,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:32:58,356 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:32:58,356 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:32:58,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:32:58,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:32:58,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:32:58,358 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:32:58,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:32:58,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:32:58,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:32:58,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:32:58,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:32:58,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:32:58,360 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:32:58,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:32:58,360 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:32:58,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:32:58,361 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:32:58,361 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:32:58,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:32:58,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:32:58,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:32:58,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:32:58,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:32:58,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:32:58,362 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:32:58,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:32:58,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:32:58,362 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_808ab0b5-7504-4efb-ad41-38414c3ad58c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_808ab0b5-7504-4efb-ad41-38414c3ad58c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4eb13f545cea9ac583f40da9d0bc0269dc50786 [2020-11-28 04:32:58,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:32:58,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:32:58,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:32:58,637 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:32:58,640 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:32:58,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_808ab0b5-7504-4efb-ad41-38414c3ad58c/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product44.cil.c [2020-11-28 04:32:58,724 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_808ab0b5-7504-4efb-ad41-38414c3ad58c/bin/ukojak/data/c39b879a8/4de36ecc7d3b4323890eaf5a0b01354c/FLAG7bd00a525 [2020-11-28 04:32:59,429 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:32:59,430 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_808ab0b5-7504-4efb-ad41-38414c3ad58c/sv-benchmarks/c/product-lines/minepump_spec1_product44.cil.c [2020-11-28 04:32:59,452 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_808ab0b5-7504-4efb-ad41-38414c3ad58c/bin/ukojak/data/c39b879a8/4de36ecc7d3b4323890eaf5a0b01354c/FLAG7bd00a525 [2020-11-28 04:32:59,679 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_808ab0b5-7504-4efb-ad41-38414c3ad58c/bin/ukojak/data/c39b879a8/4de36ecc7d3b4323890eaf5a0b01354c [2020-11-28 04:32:59,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:32:59,687 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:32:59,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:32:59,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:32:59,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:32:59,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:59" (1/1) ... [2020-11-28 04:32:59,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e876372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:59, skipping insertion in model container [2020-11-28 04:32:59,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:59" (1/1) ... [2020-11-28 04:32:59,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:32:59,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:33:00,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:33:00,222 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:33:00,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:33:00,381 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:33:00,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:00 WrapperNode [2020-11-28 04:33:00,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:33:00,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:33:00,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:33:00,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:33:00,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:00" (1/1) ... [2020-11-28 04:33:00,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:00" (1/1) ... [2020-11-28 04:33:00,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:33:00,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:33:00,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:33:00,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:33:00,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:00" (1/1) ... [2020-11-28 04:33:00,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:00" (1/1) ... [2020-11-28 04:33:00,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:00" (1/1) ... [2020-11-28 04:33:00,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:00" (1/1) ... [2020-11-28 04:33:00,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:00" (1/1) ... [2020-11-28 04:33:00,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:00" (1/1) ... [2020-11-28 04:33:00,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:00" (1/1) ... [2020-11-28 04:33:00,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:33:00,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:33:00,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:33:00,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:33:00,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_808ab0b5-7504-4efb-ad41-38414c3ad58c/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:33:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:33:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:33:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:33:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:33:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:33:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:33:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:33:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:33:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:33:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:33:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:33:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:33:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:33:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:33:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:33:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:33:02,793 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:33:02,793 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-11-28 04:33:02,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:02 BoogieIcfgContainer [2020-11-28 04:33:02,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:33:02,797 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:33:02,797 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:33:02,810 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:33:02,810 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:02" (1/1) ... [2020-11-28 04:33:02,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:33:02,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:02,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2020-11-28 04:33:02,882 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2020-11-28 04:33:02,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:33:02,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:03,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:03,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:03,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2020-11-28 04:33:03,195 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-11-28 04:33:03,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:33:03,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:03,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:03,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:03,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2020-11-28 04:33:03,507 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-11-28 04:33:03,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 04:33:03,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:03,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:04,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:04,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2020-11-28 04:33:04,237 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2020-11-28 04:33:04,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:33:04,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:04,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:05,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:05,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 73 states and 112 transitions. [2020-11-28 04:33:05,039 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2020-11-28 04:33:05,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:33:05,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:05,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:05,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:05,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 74 states and 113 transitions. [2020-11-28 04:33:05,189 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2020-11-28 04:33:05,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:33:05,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:05,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:06,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:06,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 89 states and 142 transitions. [2020-11-28 04:33:06,838 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 142 transitions. [2020-11-28 04:33:06,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:33:06,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:06,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:06,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:06,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 89 states and 141 transitions. [2020-11-28 04:33:06,959 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2020-11-28 04:33:06,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:33:06,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:07,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:07,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:07,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 90 states and 142 transitions. [2020-11-28 04:33:07,053 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 142 transitions. [2020-11-28 04:33:07,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:33:07,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:07,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:07,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:07,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 93 states and 149 transitions. [2020-11-28 04:33:07,265 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 149 transitions. [2020-11-28 04:33:07,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:33:07,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:07,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:07,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:07,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 94 states and 150 transitions. [2020-11-28 04:33:07,369 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 150 transitions. [2020-11-28 04:33:07,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:33:07,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:07,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:33:07,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:07,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 98 states and 155 transitions. [2020-11-28 04:33:07,463 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 155 transitions. [2020-11-28 04:33:07,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:33:07,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:07,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:33:08,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:08,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 107 states and 175 transitions. [2020-11-28 04:33:08,783 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 175 transitions. [2020-11-28 04:33:08,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:33:08,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:08,828 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:33:09,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:09,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 112 states and 187 transitions. [2020-11-28 04:33:09,300 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 187 transitions. [2020-11-28 04:33:09,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 04:33:09,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:09,374 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:33:09,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:09,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 113 states and 188 transitions. [2020-11-28 04:33:09,436 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 188 transitions. [2020-11-28 04:33:09,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:33:09,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:09,502 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:33:09,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:09,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 116 states and 195 transitions. [2020-11-28 04:33:09,923 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 195 transitions. [2020-11-28 04:33:09,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:33:09,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:10,137 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:33:11,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:11,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 126 states and 225 transitions. [2020-11-28 04:33:11,773 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 225 transitions. [2020-11-28 04:33:11,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-28 04:33:11,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:11,990 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:33:12,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:12,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 133 states and 240 transitions. [2020-11-28 04:33:12,922 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 240 transitions. [2020-11-28 04:33:12,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-28 04:33:12,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:33:13,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:13,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 135 states and 249 transitions. [2020-11-28 04:33:13,370 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 249 transitions. [2020-11-28 04:33:13,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:33:13,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:13,730 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:33:14,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:14,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 133 states and 241 transitions. [2020-11-28 04:33:14,726 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 241 transitions. [2020-11-28 04:33:14,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:33:14,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:14,804 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:33:14,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:14,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 134 states and 242 transitions. [2020-11-28 04:33:14,830 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 242 transitions. [2020-11-28 04:33:14,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:33:14,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:14,904 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:33:15,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:15,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 136 states and 246 transitions. [2020-11-28 04:33:15,135 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 246 transitions. [2020-11-28 04:33:15,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:33:15,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:15,179 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:33:15,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:15,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 141 states and 256 transitions. [2020-11-28 04:33:15,457 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 256 transitions. [2020-11-28 04:33:15,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:33:15,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:15,623 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:33:16,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:16,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 146 states and 268 transitions. [2020-11-28 04:33:16,507 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 268 transitions. [2020-11-28 04:33:16,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:33:16,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:16,547 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:33:18,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:18,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 159 states and 293 transitions. [2020-11-28 04:33:18,179 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 293 transitions. [2020-11-28 04:33:18,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:33:18,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:18,225 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:33:18,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:18,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 160 states and 294 transitions. [2020-11-28 04:33:18,269 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 294 transitions. [2020-11-28 04:33:18,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:33:18,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:18,307 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:33:18,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:18,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 162 states and 296 transitions. [2020-11-28 04:33:18,347 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 296 transitions. [2020-11-28 04:33:18,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 04:33:18,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:18,385 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-11-28 04:33:18,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:18,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 165 states and 301 transitions. [2020-11-28 04:33:18,553 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 301 transitions. [2020-11-28 04:33:18,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:33:18,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:18,717 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 04:33:18,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:18,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 165 states and 301 transitions. [2020-11-28 04:33:18,905 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 301 transitions. [2020-11-28 04:33:18,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:33:18,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:18,987 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 04:33:19,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:19,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 165 states and 301 transitions. [2020-11-28 04:33:19,005 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 301 transitions. [2020-11-28 04:33:19,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:33:19,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:19,050 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 04:33:19,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:19,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 165 states and 301 transitions. [2020-11-28 04:33:19,073 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 301 transitions. [2020-11-28 04:33:19,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:33:19,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:19,120 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 04:33:19,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:19,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 165 states and 301 transitions. [2020-11-28 04:33:19,145 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 301 transitions. [2020-11-28 04:33:19,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:33:19,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:19,200 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 04:33:19,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:19,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 165 states and 301 transitions. [2020-11-28 04:33:19,228 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 301 transitions. [2020-11-28 04:33:19,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:33:19,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:19,283 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 04:33:19,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:19,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 165 states and 301 transitions. [2020-11-28 04:33:19,314 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 301 transitions. [2020-11-28 04:33:19,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:33:19,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:19,359 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:33:19,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:19,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 166 states and 302 transitions. [2020-11-28 04:33:19,408 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 302 transitions. [2020-11-28 04:33:19,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:33:19,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:19,996 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:33:23,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:23,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 179 states and 331 transitions. [2020-11-28 04:33:23,701 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 331 transitions. [2020-11-28 04:33:23,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-28 04:33:23,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:23,764 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:23,856 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:24,041 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:24,170 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:24,327 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 36 iterations. [2020-11-28 04:33:24,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:33:24 ImpRootNode [2020-11-28 04:33:24,581 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:33:24,582 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:33:24,582 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:33:24,582 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:33:24,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:02" (3/4) ... [2020-11-28 04:33:24,585 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:33:24,719 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_808ab0b5-7504-4efb-ad41-38414c3ad58c/bin/ukojak/witness.graphml [2020-11-28 04:33:24,719 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:33:24,721 INFO L168 Benchmark]: Toolchain (without parser) took 25033.30 ms. Allocated memory was 98.6 MB in the beginning and 377.5 MB in the end (delta: 278.9 MB). Free memory was 69.9 MB in the beginning and 307.0 MB in the end (delta: -237.1 MB). Peak memory consumption was 41.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:24,722 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 98.6 MB. Free memory was 58.5 MB in the beginning and 58.5 MB in the end (delta: 43.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:33:24,722 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.46 ms. Allocated memory is still 98.6 MB. Free memory was 69.9 MB in the beginning and 64.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:24,723 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.57 ms. Allocated memory is still 98.6 MB. Free memory was 64.0 MB in the beginning and 61.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:24,723 INFO L168 Benchmark]: Boogie Preprocessor took 40.53 ms. Allocated memory is still 98.6 MB. Free memory was 61.5 MB in the beginning and 59.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:24,724 INFO L168 Benchmark]: RCFGBuilder took 2297.44 ms. Allocated memory was 98.6 MB in the beginning and 148.9 MB in the end (delta: 50.3 MB). Free memory was 59.5 MB in the beginning and 101.1 MB in the end (delta: -41.7 MB). Peak memory consumption was 34.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:24,724 INFO L168 Benchmark]: CodeCheck took 21783.95 ms. Allocated memory was 148.9 MB in the beginning and 377.5 MB in the end (delta: 228.6 MB). Free memory was 101.1 MB in the beginning and 327.0 MB in the end (delta: -225.8 MB). Peak memory consumption was 205.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:24,725 INFO L168 Benchmark]: Witness Printer took 137.89 ms. Allocated memory is still 377.5 MB. Free memory was 327.0 MB in the beginning and 307.0 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:24,727 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: 21.4s, OverallIterations: 36, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 909842456 SDtfs, -480718794 SDslu, 1794530376 SDs, 0 SdLazy, -115889948 SolverSat, -392226762 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 38.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13911 GetRequests, 13534 SyntacticMatches, 106 SemanticMatches, 271 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34664 ImplicationChecksByTransitivity, 15.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1360 NumberOfCodeBlocks, 1360 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1273 ConstructedInterpolants, 0 QuantifiedInterpolants, 133303 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 17 PerfectInterpolantSequences, 342/440 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L220] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L500] int pumpRunning = 0; [L501] int systemActive = 1; [L695] int waterLevel = 1; [L696] int methaneLevelCritical = 0; [L853] int cleanupTimeShifts = 4; [L926] int retValue_acc ; [L927] int tmp ; [L844] int retValue_acc ; [L847] retValue_acc = 1 [L848] return (retValue_acc); [L933] tmp = valid_product() [L935] COND TRUE \read(tmp) [L424] int splverifierCounter ; [L425] int tmp ; [L426] int tmp___0 ; [L427] int tmp___1 ; [L428] int tmp___2 ; [L431] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L433] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L435] COND TRUE splverifierCounter < 4 [L441] tmp = __VERIFIER_nondet_int() [L443] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L445] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L713] COND TRUE waterLevel < 2 [L714] waterLevel = waterLevel + 1 [L445] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L451] tmp___0 = __VERIFIER_nondet_int() [L453] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L461] tmp___2 = __VERIFIER_nondet_int() [L463] COND FALSE !(\read(tmp___2)) [L469] tmp___1 = __VERIFIER_nondet_int() [L471] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L480] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L508] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L515] COND TRUE \read(systemActive) [L537] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L540] COND TRUE ! pumpRunning [L652] int retValue_acc ; [L653] int tmp ; [L654] int tmp___0 ; [L775] int retValue_acc ; [L778] COND FALSE !(waterLevel < 2) [L782] retValue_acc = 0 [L783] return (retValue_acc); [L658] tmp = isHighWaterSensorDry() [L660] COND FALSE !(\read(tmp)) [L663] tmp___0 = 1 [L665] retValue_acc = tmp___0 [L666] return (retValue_acc); [L542] tmp = isHighWaterLevel() [L544] COND TRUE \read(tmp) [L571] int tmp ; [L596] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L600] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L734] int retValue_acc ; [L737] retValue_acc = methaneLevelCritical [L738] return (retValue_acc); [L600] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L600] retValue_acc = isMethaneLevelCritical() [L602] return (retValue_acc); [L575] tmp = isMethaneAlarm() [L577] COND FALSE !(\read(tmp)) [L565] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L790] int tmp ; [L791] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L795] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L734] int retValue_acc ; [L737] retValue_acc = methaneLevelCritical [L738] return (retValue_acc); [L795] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L795] tmp = isMethaneLevelCritical() [L797] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L480] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L433] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L435] COND TRUE splverifierCounter < 4 [L441] tmp = __VERIFIER_nondet_int() [L443] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L451] tmp___0 = __VERIFIER_nondet_int() [L453] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L455] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L725] COND FALSE !(\read(methaneLevelCritical)) [L728] methaneLevelCritical = 1 [L455] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L461] tmp___2 = __VERIFIER_nondet_int() [L463] COND TRUE \read(tmp___2) [L689] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L480] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L508] COND TRUE \read(pumpRunning) [L701] COND TRUE waterLevel > 0 [L702] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L515] COND TRUE \read(systemActive) [L537] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L540] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L555] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L790] int tmp ; [L791] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L795] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L734] int retValue_acc ; [L737] retValue_acc = methaneLevelCritical [L738] return (retValue_acc); [L795] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L795] tmp = isMethaneLevelCritical() [L797] COND TRUE \read(tmp) [L607] int retValue_acc ; [L610] retValue_acc = pumpRunning [L611] return (retValue_acc); [L799] tmp___0 = isPumpRunning() [L801] 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_product44.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 0.22 ms. Allocated memory is still 98.6 MB. Free memory was 58.5 MB in the beginning and 58.5 MB in the end (delta: 43.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 690.46 ms. Allocated memory is still 98.6 MB. Free memory was 69.9 MB in the beginning and 64.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.57 ms. Allocated memory is still 98.6 MB. Free memory was 64.0 MB in the beginning and 61.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.53 ms. Allocated memory is still 98.6 MB. Free memory was 61.5 MB in the beginning and 59.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2297.44 ms. Allocated memory was 98.6 MB in the beginning and 148.9 MB in the end (delta: 50.3 MB). Free memory was 59.5 MB in the beginning and 101.1 MB in the end (delta: -41.7 MB). Peak memory consumption was 34.5 MB. Max. memory is 16.1 GB. * CodeCheck took 21783.95 ms. Allocated memory was 148.9 MB in the beginning and 377.5 MB in the end (delta: 228.6 MB). Free memory was 101.1 MB in the beginning and 327.0 MB in the end (delta: -225.8 MB). Peak memory consumption was 205.1 MB. Max. memory is 16.1 GB. * Witness Printer took 137.89 ms. Allocated memory is still 377.5 MB. Free memory was 327.0 MB in the beginning and 307.0 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...