./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b897c030-4e6b-435e-ac86-da5561cd187f/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b897c030-4e6b-435e-ac86-da5561cd187f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b897c030-4e6b-435e-ac86-da5561cd187f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b897c030-4e6b-435e-ac86-da5561cd187f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product42.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b897c030-4e6b-435e-ac86-da5561cd187f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b897c030-4e6b-435e-ac86-da5561cd187f/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 cb3c160aa6739f38466ec4be21f196ba4a934feb ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 18:24:50,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:24:50,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:24:50,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:24:50,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:24:50,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:24:50,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:24:50,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:24:50,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:24:50,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:24:50,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:24:50,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:24:50,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:24:50,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:24:50,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:24:50,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:24:50,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:24:50,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:24:50,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:24:50,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:24:50,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:24:50,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:24:50,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:24:50,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:24:50,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:24:50,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:24:50,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:24:50,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:24:50,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:24:50,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:24:50,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:24:50,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:24:50,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:24:50,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:24:50,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:24:50,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:24:50,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:24:50,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:24:50,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:24:50,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:24:50,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:24:50,639 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b897c030-4e6b-435e-ac86-da5561cd187f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:24:50,687 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:24:50,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:24:50,690 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:24:50,690 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:24:50,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:24:50,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:24:50,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:24:50,692 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:24:50,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:24:50,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:24:50,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:24:50,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:24:50,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:24:50,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:24:50,695 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:24:50,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:24:50,696 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:24:50,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:24:50,696 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:24:50,696 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:24:50,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:24:50,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:24:50,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:24:50,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:24:50,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:24:50,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:24:50,698 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:24:50,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:24:50,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:24:50,699 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_b897c030-4e6b-435e-ac86-da5561cd187f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b897c030-4e6b-435e-ac86-da5561cd187f/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb3c160aa6739f38466ec4be21f196ba4a934feb [2020-12-01 18:24:51,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:24:51,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:24:51,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:24:51,221 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:24:51,223 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:24:51,225 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b897c030-4e6b-435e-ac86-da5561cd187f/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product42.cil.c [2020-12-01 18:24:51,357 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b897c030-4e6b-435e-ac86-da5561cd187f/bin/ukojak/data/2f9d7fd36/d993bf767f6248a9a260a9bf34de21aa/FLAG6ea233a58 [2020-12-01 18:24:52,085 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:24:52,086 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b897c030-4e6b-435e-ac86-da5561cd187f/sv-benchmarks/c/product-lines/minepump_spec2_product42.cil.c [2020-12-01 18:24:52,100 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b897c030-4e6b-435e-ac86-da5561cd187f/bin/ukojak/data/2f9d7fd36/d993bf767f6248a9a260a9bf34de21aa/FLAG6ea233a58 [2020-12-01 18:24:52,356 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b897c030-4e6b-435e-ac86-da5561cd187f/bin/ukojak/data/2f9d7fd36/d993bf767f6248a9a260a9bf34de21aa [2020-12-01 18:24:52,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:24:52,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:24:52,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:24:52,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:24:52,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:24:52,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:24:52" (1/1) ... [2020-12-01 18:24:52,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@248f0f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:52, skipping insertion in model container [2020-12-01 18:24:52,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:24:52" (1/1) ... [2020-12-01 18:24:52,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:24:52,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:24:52,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:24:52,929 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:24:53,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:24:53,128 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:24:53,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:53 WrapperNode [2020-12-01 18:24:53,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:24:53,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:24:53,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:24:53,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:24:53,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:53" (1/1) ... [2020-12-01 18:24:53,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:53" (1/1) ... [2020-12-01 18:24:53,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:24:53,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:24:53,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:24:53,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:24:53,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:53" (1/1) ... [2020-12-01 18:24:53,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:53" (1/1) ... [2020-12-01 18:24:53,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:53" (1/1) ... [2020-12-01 18:24:53,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:53" (1/1) ... [2020-12-01 18:24:53,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:53" (1/1) ... [2020-12-01 18:24:53,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:53" (1/1) ... [2020-12-01 18:24:53,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:53" (1/1) ... [2020-12-01 18:24:53,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:24:53,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:24:53,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:24:53,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:24:53,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b897c030-4e6b-435e-ac86-da5561cd187f/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:24:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:24:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 18:24:53,449 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 18:24:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 18:24:53,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 18:24:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 18:24:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 18:24:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 18:24:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 18:24:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 18:24:53,452 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 18:24:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:24:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 18:24:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 18:24:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:24:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:24:55,397 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:24:55,397 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-01 18:24:55,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:24:55 BoogieIcfgContainer [2020-12-01 18:24:55,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:24:55,403 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:24:55,403 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:24:55,419 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:24:55,420 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:24:55" (1/1) ... [2020-12-01 18:24:55,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:24:55,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:55,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2020-12-01 18:24:55,519 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2020-12-01 18:24:55,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:24:55,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:55,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:55,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:55,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2020-12-01 18:24:55,886 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2020-12-01 18:24:55,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:24:55,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:56,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:56,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:56,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2020-12-01 18:24:56,173 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2020-12-01 18:24:56,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:24:56,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:56,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:56,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:56,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2020-12-01 18:24:56,822 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2020-12-01 18:24:56,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:24:56,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:56,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:56,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:56,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2020-12-01 18:24:56,937 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2020-12-01 18:24:56,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:24:56,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:57,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:58,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:58,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 80 states and 125 transitions. [2020-12-01 18:24:58,069 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 125 transitions. [2020-12-01 18:24:58,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:24:58,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:58,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:58,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:58,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2020-12-01 18:24:58,194 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2020-12-01 18:24:58,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:24:58,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:58,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:58,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:58,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 82 states and 127 transitions. [2020-12-01 18:24:58,361 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 127 transitions. [2020-12-01 18:24:58,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:24:58,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:58,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:58,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:58,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 82 states and 126 transitions. [2020-12-01 18:24:58,536 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 126 transitions. [2020-12-01 18:24:58,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:24:58,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:58,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:58,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:58,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 86 states and 135 transitions. [2020-12-01 18:24:58,666 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 135 transitions. [2020-12-01 18:24:58,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:24:58,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:58,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:24:58,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:58,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 90 states and 140 transitions. [2020-12-01 18:24:58,801 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 140 transitions. [2020-12-01 18:24:58,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:24:58,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:58,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:25:00,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:00,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 110 states and 180 transitions. [2020-12-01 18:25:00,739 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 180 transitions. [2020-12-01 18:25:00,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:25:00,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:00,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:25:00,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:00,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 111 states and 181 transitions. [2020-12-01 18:25:00,819 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 181 transitions. [2020-12-01 18:25:00,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 18:25:00,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:00,869 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:25:01,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:01,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 116 states and 192 transitions. [2020-12-01 18:25:01,090 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 192 transitions. [2020-12-01 18:25:01,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 18:25:01,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:01,194 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:25:01,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:01,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 117 states and 193 transitions. [2020-12-01 18:25:01,232 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 193 transitions. [2020-12-01 18:25:01,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 18:25:01,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:01,693 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:25:02,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:02,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 120 states and 200 transitions. [2020-12-01 18:25:02,823 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 200 transitions. [2020-12-01 18:25:02,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 18:25:02,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:03,629 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:25:07,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:07,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 135 states and 240 transitions. [2020-12-01 18:25:07,648 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 240 transitions. [2020-12-01 18:25:07,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 18:25:07,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:07,710 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:25:08,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:08,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 138 states and 247 transitions. [2020-12-01 18:25:08,687 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 247 transitions. [2020-12-01 18:25:08,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 18:25:08,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:08,889 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 18:25:10,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:10,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 144 states and 265 transitions. [2020-12-01 18:25:10,247 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 265 transitions. [2020-12-01 18:25:10,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 18:25:10,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:10,294 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:25:11,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:11,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 147 states and 271 transitions. [2020-12-01 18:25:11,273 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 271 transitions. [2020-12-01 18:25:11,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 18:25:11,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:11,352 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 18:25:14,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:14,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 159 states and 304 transitions. [2020-12-01 18:25:14,247 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 304 transitions. [2020-12-01 18:25:14,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 18:25:14,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:14,357 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 18:25:14,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:14,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 160 states and 305 transitions. [2020-12-01 18:25:14,387 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 305 transitions. [2020-12-01 18:25:14,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 18:25:14,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:14,462 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 18:25:16,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:16,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 168 states and 326 transitions. [2020-12-01 18:25:16,894 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 326 transitions. [2020-12-01 18:25:16,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 18:25:16,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:16,952 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:25:17,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:17,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 170 states and 330 transitions. [2020-12-01 18:25:17,509 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 330 transitions. [2020-12-01 18:25:17,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:25:17,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:17,584 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 18:25:17,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:17,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 170 states and 329 transitions. [2020-12-01 18:25:17,610 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 329 transitions. [2020-12-01 18:25:17,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 18:25:17,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:17,696 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:25:17,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:17,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 171 states and 330 transitions. [2020-12-01 18:25:17,731 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 330 transitions. [2020-12-01 18:25:17,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 18:25:17,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:17,794 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:25:19,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:19,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 183 states and 365 transitions. [2020-12-01 18:25:19,646 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 365 transitions. [2020-12-01 18:25:19,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 18:25:19,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:19,732 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:25:20,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:20,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 190 states and 391 transitions. [2020-12-01 18:25:20,549 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 391 transitions. [2020-12-01 18:25:20,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 18:25:20,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:21,200 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:25:25,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:25,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 206 states and 424 transitions. [2020-12-01 18:25:25,977 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 424 transitions. [2020-12-01 18:25:25,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:25:25,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:26,028 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:25:26,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:26,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 207 states and 425 transitions. [2020-12-01 18:25:26,054 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 425 transitions. [2020-12-01 18:25:26,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 18:25:26,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:26,122 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:25:28,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:28,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 211 states and 435 transitions. [2020-12-01 18:25:28,828 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 435 transitions. [2020-12-01 18:25:28,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 18:25:28,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:28,883 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:25:30,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:30,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 218 states and 454 transitions. [2020-12-01 18:25:30,310 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 454 transitions. [2020-12-01 18:25:30,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 18:25:30,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:30,366 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 18:25:30,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:30,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 216 states and 447 transitions. [2020-12-01 18:25:30,461 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 447 transitions. [2020-12-01 18:25:30,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 18:25:30,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:30,799 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:25:31,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:31,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 217 states and 450 transitions. [2020-12-01 18:25:31,283 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 450 transitions. [2020-12-01 18:25:31,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 18:25:31,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:32,140 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:25:37,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:37,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 225 states and 464 transitions. [2020-12-01 18:25:37,242 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 464 transitions. [2020-12-01 18:25:37,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 18:25:37,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:37,294 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:25:37,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:37,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 226 states and 465 transitions. [2020-12-01 18:25:37,324 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 465 transitions. [2020-12-01 18:25:37,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 18:25:37,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:37,371 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:25:37,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:37,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 228 states and 463 transitions. [2020-12-01 18:25:37,432 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 463 transitions. [2020-12-01 18:25:37,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 18:25:37,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:37,744 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 18:25:39,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:39,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 228 states and 460 transitions. [2020-12-01 18:25:39,613 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 460 transitions. [2020-12-01 18:25:39,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 18:25:39,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:39,657 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 18:25:40,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:40,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 233 states and 471 transitions. [2020-12-01 18:25:40,291 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 471 transitions. [2020-12-01 18:25:40,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 18:25:40,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:40,347 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 18:25:40,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:40,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 236 states and 476 transitions. [2020-12-01 18:25:40,763 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 476 transitions. [2020-12-01 18:25:40,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 18:25:40,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:40,840 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:25:47,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:47,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 251 states and 517 transitions. [2020-12-01 18:25:47,449 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 517 transitions. [2020-12-01 18:25:47,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 18:25:47,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:47,498 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 18:25:47,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:47,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 252 states and 518 transitions. [2020-12-01 18:25:47,528 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 518 transitions. [2020-12-01 18:25:47,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 18:25:47,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:47,574 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 18:25:48,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:48,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 253 states and 521 transitions. [2020-12-01 18:25:48,431 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 521 transitions. [2020-12-01 18:25:48,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 18:25:48,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:48,499 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:25:51,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:51,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 261 states and 542 transitions. [2020-12-01 18:25:51,225 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 542 transitions. [2020-12-01 18:25:51,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 18:25:51,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:51,284 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 18:25:52,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:52,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 263 states and 549 transitions. [2020-12-01 18:25:52,073 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 549 transitions. [2020-12-01 18:25:52,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 18:25:52,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:52,117 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 18:25:52,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:52,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 264 states and 550 transitions. [2020-12-01 18:25:52,163 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 550 transitions. [2020-12-01 18:25:52,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 18:25:52,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:52,211 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 18:25:52,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:52,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 266 states and 553 transitions. [2020-12-01 18:25:52,783 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 553 transitions. [2020-12-01 18:25:52,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 18:25:52,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:52,839 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 18:25:52,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:52,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 267 states and 554 transitions. [2020-12-01 18:25:52,871 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 554 transitions. [2020-12-01 18:25:52,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 18:25:52,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:53,964 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 35 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 18:26:02,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:02,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 283 states and 581 transitions. [2020-12-01 18:26:02,651 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 581 transitions. [2020-12-01 18:26:02,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 18:26:02,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:02,717 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 35 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 18:26:04,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:04,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 280 states and 574 transitions. [2020-12-01 18:26:04,938 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 574 transitions. [2020-12-01 18:26:04,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-01 18:26:04,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:05,001 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 32 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 18:26:05,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:05,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 280 states and 574 transitions. [2020-12-01 18:26:05,032 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 574 transitions. [2020-12-01 18:26:05,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 18:26:05,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:05,097 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 18:26:06,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:06,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 282 states and 579 transitions. [2020-12-01 18:26:06,073 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 579 transitions. [2020-12-01 18:26:06,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 18:26:06,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:06,148 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 12 proven. 34 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 18:26:07,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:07,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 288 states and 596 transitions. [2020-12-01 18:26:07,480 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 596 transitions. [2020-12-01 18:26:07,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 18:26:07,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:07,568 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 12 proven. 34 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 18:26:09,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:09,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 291 states and 613 transitions. [2020-12-01 18:26:09,041 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 613 transitions. [2020-12-01 18:26:09,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 18:26:09,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:10,688 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 18:26:19,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:19,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 299 states and 629 transitions. [2020-12-01 18:26:19,272 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 629 transitions. [2020-12-01 18:26:19,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-01 18:26:19,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:21,270 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 18:26:32,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:32,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 312 states and 659 transitions. [2020-12-01 18:26:32,602 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 659 transitions. [2020-12-01 18:26:32,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 18:26:32,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:26:32,731 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:26:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:26:32,878 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:26:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:26:33,394 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:26:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:26:33,651 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:26:38,723 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 56 iterations. [2020-12-01 18:26:39,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:26:38 ImpRootNode [2020-12-01 18:26:39,007 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:26:39,008 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:26:39,008 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:26:39,009 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:26:39,010 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:24:55" (3/4) ... [2020-12-01 18:26:39,013 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 18:26:39,287 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b897c030-4e6b-435e-ac86-da5561cd187f/bin/ukojak/witness.graphml [2020-12-01 18:26:39,288 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:26:39,291 INFO L168 Benchmark]: Toolchain (without parser) took 106927.64 ms. Allocated memory was 83.9 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 50.8 MB in the beginning and 439.5 MB in the end (delta: -388.7 MB). Peak memory consumption was 644.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:26:39,292 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 83.9 MB. Free memory was 59.8 MB in the beginning and 59.8 MB in the end (delta: 29.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:26:39,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.64 ms. Allocated memory is still 83.9 MB. Free memory was 50.5 MB in the beginning and 51.7 MB in the end (delta: -1.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:26:39,293 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.44 ms. Allocated memory is still 83.9 MB. Free memory was 51.7 MB in the beginning and 49.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:26:39,294 INFO L168 Benchmark]: Boogie Preprocessor took 89.77 ms. Allocated memory is still 83.9 MB. Free memory was 49.1 MB in the beginning and 47.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:26:39,294 INFO L168 Benchmark]: RCFGBuilder took 2054.35 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 47.1 MB in the beginning and 58.3 MB in the end (delta: -11.2 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:26:39,295 INFO L168 Benchmark]: CodeCheck took 103604.58 ms. Allocated memory was 100.7 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 58.3 MB in the beginning and 468.9 MB in the end (delta: -410.6 MB). Peak memory consumption was 608.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:26:39,295 INFO L168 Benchmark]: Witness Printer took 280.54 ms. Allocated memory is still 1.1 GB. Free memory was 468.9 MB in the beginning and 439.5 MB in the end (delta: 29.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:26:39,298 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, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 103.2s, OverallIterations: 56, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -460730004 SDtfs, 1475338514 SDslu, -1181336424 SDs, 0 SdLazy, -342909944 SolverSat, -801446526 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 106.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32581 GetRequests, 31831 SyntacticMatches, 105 SemanticMatches, 645 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208163 ImplicationChecksByTransitivity, 85.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 10.0s InterpolantComputationTime, 2735 NumberOfCodeBlocks, 2735 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 2604 ConstructedInterpolants, 0 QuantifiedInterpolants, 343427 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 55 InterpolantComputations, 32 PerfectInterpolantSequences, 1129/1367 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; [L488] int pumpRunning = 0; [L489] int systemActive = 1; [L668] int methAndRunningLastTime ; [L745] int cleanupTimeShifts = 4; [L852] int waterLevel = 1; [L853] int methaneLevelCritical = 0; [L819] int retValue_acc ; [L820] int tmp ; [L736] int retValue_acc ; [L739] retValue_acc = 1 [L740] return (retValue_acc); [L826] tmp = valid_product() [L828] COND TRUE \read(tmp) [L673] methAndRunningLastTime = 0 [L414] int splverifierCounter ; [L415] int tmp ; [L416] int tmp___0 ; [L417] int tmp___1 ; [L418] int tmp___2 ; [L421] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L423] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L425] COND TRUE splverifierCounter < 4 [L431] tmp = __VERIFIER_nondet_int() [L433] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L435] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L870] COND TRUE waterLevel < 2 [L871] waterLevel = waterLevel + 1 [L435] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L441] tmp___0 = __VERIFIER_nondet_int() [L443] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L451] tmp___2 = __VERIFIER_nondet_int() [L453] COND TRUE \read(tmp___2) [L662] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L468] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L496] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L503] COND TRUE \read(systemActive) [L525] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L528] COND TRUE ! pumpRunning [L640] int retValue_acc ; [L641] int tmp ; [L642] int tmp___0 ; [L932] int retValue_acc ; [L935] COND FALSE !(waterLevel < 2) [L939] retValue_acc = 0 [L940] return (retValue_acc); [L646] tmp = isHighWaterSensorDry() [L648] COND FALSE !(\read(tmp)) [L651] tmp___0 = 1 [L653] retValue_acc = tmp___0 [L654] return (retValue_acc); [L530] tmp = isHighWaterLevel() [L532] COND TRUE \read(tmp) [L559] int tmp ; [L584] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L588] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L891] int retValue_acc ; [L894] retValue_acc = methaneLevelCritical [L895] return (retValue_acc); [L588] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L588] retValue_acc = isMethaneLevelCritical() [L590] return (retValue_acc); [L563] tmp = isMethaneAlarm() [L565] COND FALSE !(\read(tmp)) [L553] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L678] int tmp ; [L679] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L683] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L891] int retValue_acc ; [L894] retValue_acc = methaneLevelCritical [L895] return (retValue_acc); [L683] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L683] tmp = isMethaneLevelCritical() [L685] COND FALSE !(\read(tmp)) [L701] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L468] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L423] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L425] COND TRUE splverifierCounter < 4 [L431] tmp = __VERIFIER_nondet_int() [L433] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L441] tmp___0 = __VERIFIER_nondet_int() [L443] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L445] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L882] COND FALSE !(\read(methaneLevelCritical)) [L885] methaneLevelCritical = 1 [L445] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L451] tmp___2 = __VERIFIER_nondet_int() [L453] COND TRUE \read(tmp___2) [L662] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L468] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L496] COND TRUE \read(pumpRunning) [L858] COND TRUE waterLevel > 0 [L859] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L503] COND TRUE \read(systemActive) [L525] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L528] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L543] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L678] int tmp ; [L679] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L683] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L891] int retValue_acc ; [L894] retValue_acc = methaneLevelCritical [L895] return (retValue_acc); [L683] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L683] tmp = isMethaneLevelCritical() [L685] COND TRUE \read(tmp) [L595] int retValue_acc ; [L598] retValue_acc = pumpRunning [L599] return (retValue_acc); [L687] tmp___0 = isPumpRunning() [L689] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L690] COND FALSE !(\read(methAndRunningLastTime)) [L695] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L468] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L423] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L425] COND TRUE splverifierCounter < 4 [L431] tmp = __VERIFIER_nondet_int() [L433] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L441] tmp___0 = __VERIFIER_nondet_int() [L443] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L451] tmp___2 = __VERIFIER_nondet_int() [L453] COND FALSE !(\read(tmp___2)) [L459] tmp___1 = __VERIFIER_nondet_int() [L461] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L468] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L496] COND TRUE \read(pumpRunning) [L858] COND TRUE waterLevel > 0 [L859] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L503] COND TRUE \read(systemActive) [L525] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L528] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L543] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L678] int tmp ; [L679] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L683] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L891] int retValue_acc ; [L894] retValue_acc = methaneLevelCritical [L895] return (retValue_acc); [L683] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L683] tmp = isMethaneLevelCritical() [L685] COND TRUE \read(tmp) [L595] int retValue_acc ; [L598] retValue_acc = pumpRunning [L599] return (retValue_acc); [L687] tmp___0 = isPumpRunning() [L689] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L690] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L3] __assert_fail("0", "minepump_spec2_product42.cil.c", 3, "reach_error") VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 83.9 MB. Free memory was 59.8 MB in the beginning and 59.8 MB in the end (delta: 29.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 766.64 ms. Allocated memory is still 83.9 MB. Free memory was 50.5 MB in the beginning and 51.7 MB in the end (delta: -1.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 122.44 ms. Allocated memory is still 83.9 MB. Free memory was 51.7 MB in the beginning and 49.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.77 ms. Allocated memory is still 83.9 MB. Free memory was 49.1 MB in the beginning and 47.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2054.35 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 47.1 MB in the beginning and 58.3 MB in the end (delta: -11.2 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. * CodeCheck took 103604.58 ms. Allocated memory was 100.7 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 58.3 MB in the beginning and 468.9 MB in the end (delta: -410.6 MB). Peak memory consumption was 608.6 MB. Max. memory is 16.1 GB. * Witness Printer took 280.54 ms. Allocated memory is still 1.1 GB. Free memory was 468.9 MB in the beginning and 439.5 MB in the end (delta: 29.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...