./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product34.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_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/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 2eef58443d1776324fbe6fef82cb6eff424772d8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:25:31,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:25:31,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:25:31,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:25:31,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:25:31,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:25:31,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:25:31,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:25:31,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:25:31,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:25:31,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:25:31,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:25:31,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:25:31,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:25:31,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:25:31,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:25:31,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:25:31,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:25:31,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:25:31,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:25:31,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:25:31,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:25:31,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:25:31,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:25:31,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:25:31,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:25:31,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:25:31,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:25:31,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:25:31,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:25:31,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:25:31,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:25:31,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:25:31,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:25:31,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:25:31,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:25:31,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:25:31,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:25:31,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:25:31,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:25:31,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:25:31,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:25:31,507 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:25:31,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:25:31,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:25:31,509 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:25:31,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:25:31,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:25:31,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:25:31,512 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:25:31,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:25:31,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:25:31,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:25:31,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:25:31,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:25:31,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:25:31,514 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:25:31,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:25:31,514 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:25:31,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:25:31,515 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:25:31,515 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:25:31,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:25:31,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:25:31,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:25:31,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:25:31,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:25:31,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:25:31,517 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:25:31,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:25:31,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:25:31,517 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_32d18a47-9ae0-4382-b3dc-91e457fb8437/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2eef58443d1776324fbe6fef82cb6eff424772d8 [2020-12-01 16:25:31,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:25:31,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:25:31,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:25:31,822 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:25:31,828 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:25:31,828 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c [2020-12-01 16:25:31,893 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak/data/e23a826fb/68548c7cba954d19a314e7cd1ef2e193/FLAG98ae88ffc [2020-12-01 16:25:32,398 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:25:32,399 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c [2020-12-01 16:25:32,414 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak/data/e23a826fb/68548c7cba954d19a314e7cd1ef2e193/FLAG98ae88ffc [2020-12-01 16:25:32,731 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak/data/e23a826fb/68548c7cba954d19a314e7cd1ef2e193 [2020-12-01 16:25:32,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:25:32,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:25:32,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:25:32,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:25:32,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:25:32,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:25:32" (1/1) ... [2020-12-01 16:25:32,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cd71a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:32, skipping insertion in model container [2020-12-01 16:25:32,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:25:32" (1/1) ... [2020-12-01 16:25:32,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:25:32,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:25:33,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:25:33,100 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:25:33,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:25:33,246 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:25:33,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:33 WrapperNode [2020-12-01 16:25:33,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:25:33,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:25:33,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:25:33,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:25:33,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:33" (1/1) ... [2020-12-01 16:25:33,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:33" (1/1) ... [2020-12-01 16:25:33,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:25:33,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:25:33,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:25:33,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:25:33,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:33" (1/1) ... [2020-12-01 16:25:33,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:33" (1/1) ... [2020-12-01 16:25:33,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:33" (1/1) ... [2020-12-01 16:25:33,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:33" (1/1) ... [2020-12-01 16:25:33,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:33" (1/1) ... [2020-12-01 16:25:33,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:33" (1/1) ... [2020-12-01 16:25:33,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:33" (1/1) ... [2020-12-01 16:25:33,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:25:33,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:25:33,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:25:33,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:25:33,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/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 16:25:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:25:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 16:25:33,460 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 16:25:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 16:25:33,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 16:25:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 16:25:33,461 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 16:25:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 16:25:33,462 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 16:25:33,462 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 16:25:33,462 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 16:25:33,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:25:33,463 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 16:25:33,463 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 16:25:33,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:25:33,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:25:34,883 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:25:34,883 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-12-01 16:25:34,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:25:34 BoogieIcfgContainer [2020-12-01 16:25:34,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:25:34,887 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:25:34,887 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:25:34,898 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:25:34,898 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:25:34" (1/1) ... [2020-12-01 16:25:34,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:25:34,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:34,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2020-12-01 16:25:34,983 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2020-12-01 16:25:34,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:25:34,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:35,271 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 16:25:35,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:35,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2020-12-01 16:25:35,285 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2020-12-01 16:25:35,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:25:35,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:35,403 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 16:25:35,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:35,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2020-12-01 16:25:35,442 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2020-12-01 16:25:35,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:25:35,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:35,644 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 16:25:36,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:36,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2020-12-01 16:25:36,045 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2020-12-01 16:25:36,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:25:36,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:36,232 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 16:25:36,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:36,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 73 states and 115 transitions. [2020-12-01 16:25:36,726 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 115 transitions. [2020-12-01 16:25:36,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:25:36,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:36,849 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 16:25:37,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:37,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 75 states and 118 transitions. [2020-12-01 16:25:37,030 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 118 transitions. [2020-12-01 16:25:37,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:25:37,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:37,126 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 16:25:37,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:37,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 76 states and 119 transitions. [2020-12-01 16:25:37,148 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 119 transitions. [2020-12-01 16:25:37,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:25:37,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:37,241 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 16:25:38,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:38,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 92 states and 158 transitions. [2020-12-01 16:25:38,021 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 158 transitions. [2020-12-01 16:25:38,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:25:38,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:38,095 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 16:25:38,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:38,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 94 states and 163 transitions. [2020-12-01 16:25:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 163 transitions. [2020-12-01 16:25:38,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:25:38,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:38,478 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 16:25:38,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:38,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 97 states and 168 transitions. [2020-12-01 16:25:38,801 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 168 transitions. [2020-12-01 16:25:38,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:25:38,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:38,845 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 16:25:39,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:39,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 100 states and 172 transitions. [2020-12-01 16:25:39,209 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 172 transitions. [2020-12-01 16:25:39,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:25:39,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:39,260 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 16:25:39,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:39,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 103 states and 178 transitions. [2020-12-01 16:25:39,609 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 178 transitions. [2020-12-01 16:25:39,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:25:39,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:39,670 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 16:25:40,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:40,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 105 states and 180 transitions. [2020-12-01 16:25:40,101 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 180 transitions. [2020-12-01 16:25:40,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:25:40,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:40,143 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 16:25:40,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:40,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 111 states and 199 transitions. [2020-12-01 16:25:40,819 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 199 transitions. [2020-12-01 16:25:40,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:25:40,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:40,855 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 16:25:41,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:41,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 113 states and 203 transitions. [2020-12-01 16:25:41,177 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 203 transitions. [2020-12-01 16:25:41,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:25:41,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:41,225 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 16:25:41,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:41,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 114 states and 203 transitions. [2020-12-01 16:25:41,471 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 203 transitions. [2020-12-01 16:25:41,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:25:41,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:41,520 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 16:25:41,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:41,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 119 states and 215 transitions. [2020-12-01 16:25:41,959 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 215 transitions. [2020-12-01 16:25:41,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:25:41,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:42,027 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 16:25:42,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:42,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 125 states and 230 transitions. [2020-12-01 16:25:42,959 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 230 transitions. [2020-12-01 16:25:42,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:25:42,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:43,494 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 16:25:44,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:44,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 128 states and 238 transitions. [2020-12-01 16:25:44,763 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 238 transitions. [2020-12-01 16:25:44,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:25:44,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:44,799 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 16:25:44,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:44,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 132 states and 246 transitions. [2020-12-01 16:25:44,972 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 246 transitions. [2020-12-01 16:25:44,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:25:44,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:45,675 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 16:25:48,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:48,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 147 states and 290 transitions. [2020-12-01 16:25:48,887 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 290 transitions. [2020-12-01 16:25:48,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:25:48,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:48,958 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 16:25:49,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:49,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 150 states and 297 transitions. [2020-12-01 16:25:49,919 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 297 transitions. [2020-12-01 16:25:49,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 16:25:49,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:49,995 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:25:50,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:50,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 151 states and 298 transitions. [2020-12-01 16:25:50,027 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 298 transitions. [2020-12-01 16:25:50,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:25:50,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:50,084 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:25:50,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:50,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 156 states and 310 transitions. [2020-12-01 16:25:50,649 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 310 transitions. [2020-12-01 16:25:50,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:25:50,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:50,696 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:25:51,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:51,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 163 states and 329 transitions. [2020-12-01 16:25:51,382 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 329 transitions. [2020-12-01 16:25:51,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:25:51,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:51,547 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 16:25:53,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:53,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 172 states and 358 transitions. [2020-12-01 16:25:53,460 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 358 transitions. [2020-12-01 16:25:53,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:25:53,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:53,515 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 16:25:53,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:53,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 172 states and 357 transitions. [2020-12-01 16:25:53,925 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 357 transitions. [2020-12-01 16:25:53,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 16:25:53,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:54,265 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:25:56,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:56,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 177 states and 367 transitions. [2020-12-01 16:25:56,111 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 367 transitions. [2020-12-01 16:25:56,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:25:56,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:56,154 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 16:25:57,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:57,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 180 states and 373 transitions. [2020-12-01 16:25:57,138 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 373 transitions. [2020-12-01 16:25:57,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:25:57,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:57,184 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:25:57,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:57,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 183 states and 379 transitions. [2020-12-01 16:25:57,671 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 379 transitions. [2020-12-01 16:25:57,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:25:57,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:57,707 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:25:57,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:57,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 184 states and 382 transitions. [2020-12-01 16:25:57,927 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 382 transitions. [2020-12-01 16:25:57,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:25:57,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:57,973 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:25:58,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:58,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 186 states and 388 transitions. [2020-12-01 16:25:58,331 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 388 transitions. [2020-12-01 16:25:58,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:25:58,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:59,396 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:26:05,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:05,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 199 states and 427 transitions. [2020-12-01 16:26:05,164 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 427 transitions. [2020-12-01 16:26:05,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:26:05,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:05,213 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:26:10,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:10,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 213 states and 471 transitions. [2020-12-01 16:26:10,315 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 471 transitions. [2020-12-01 16:26:10,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:26:10,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:10,352 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:26:10,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:10,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 215 states and 470 transitions. [2020-12-01 16:26:10,891 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 470 transitions. [2020-12-01 16:26:10,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:26:10,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:11,606 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:26:17,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:17,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 227 states and 500 transitions. [2020-12-01 16:26:17,102 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 500 transitions. [2020-12-01 16:26:17,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:26:17,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:18,024 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:26:21,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:21,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 241 states and 544 transitions. [2020-12-01 16:26:21,956 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 544 transitions. [2020-12-01 16:26:21,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:26:21,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:21,997 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:26:22,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:22,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 242 states and 544 transitions. [2020-12-01 16:26:22,024 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 544 transitions. [2020-12-01 16:26:22,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:26:22,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:22,068 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:26:22,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:22,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 243 states and 545 transitions. [2020-12-01 16:26:22,109 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 545 transitions. [2020-12-01 16:26:22,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:26:22,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:22,153 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:26:23,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:23,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 243 states and 544 transitions. [2020-12-01 16:26:23,882 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 544 transitions. [2020-12-01 16:26:23,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:26:23,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:23,916 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:26:25,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:25,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 245 states and 549 transitions. [2020-12-01 16:26:25,239 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 549 transitions. [2020-12-01 16:26:25,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:26:25,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:25,290 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:26:26,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:26,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 249 states and 561 transitions. [2020-12-01 16:26:26,991 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 561 transitions. [2020-12-01 16:26:26,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:26:26,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:27,328 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:26:27,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:27,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 250 states and 565 transitions. [2020-12-01 16:26:27,756 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 565 transitions. [2020-12-01 16:26:27,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:26:27,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:28,192 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:26:36,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:36,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 270 states and 620 transitions. [2020-12-01 16:26:36,330 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 620 transitions. [2020-12-01 16:26:36,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 16:26:36,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:26:36,406 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:26:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:26:36,494 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:26:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:26:36,929 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:26:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:26:37,065 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:26:40,207 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 44 iterations. [2020-12-01 16:26:40,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:26:40 ImpRootNode [2020-12-01 16:26:40,437 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:26:40,437 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:26:40,438 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:26:40,438 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:26:40,439 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:25:34" (3/4) ... [2020-12-01 16:26:40,441 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:26:40,627 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak/witness.graphml [2020-12-01 16:26:40,627 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:26:40,629 INFO L168 Benchmark]: Toolchain (without parser) took 67893.30 ms. Allocated memory was 140.5 MB in the beginning and 901.8 MB in the end (delta: 761.3 MB). Free memory was 113.3 MB in the beginning and 510.4 MB in the end (delta: -397.1 MB). Peak memory consumption was 365.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:26:40,629 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 83.9 MB. Free memory is still 42.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:26:40,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 498.60 ms. Allocated memory is still 140.5 MB. Free memory was 113.1 MB in the beginning and 107.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:26:40,630 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.48 ms. Allocated memory is still 140.5 MB. Free memory was 107.7 MB in the beginning and 105.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:26:40,631 INFO L168 Benchmark]: Boogie Preprocessor took 32.24 ms. Allocated memory is still 140.5 MB. Free memory was 105.1 MB in the beginning and 103.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:26:40,631 INFO L168 Benchmark]: RCFGBuilder took 1528.96 ms. Allocated memory is still 140.5 MB. Free memory was 103.3 MB in the beginning and 66.6 MB in the end (delta: 36.7 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:26:40,632 INFO L168 Benchmark]: CodeCheck took 65550.12 ms. Allocated memory was 140.5 MB in the beginning and 901.8 MB in the end (delta: 761.3 MB). Free memory was 66.6 MB in the beginning and 530.4 MB in the end (delta: -463.7 MB). Peak memory consumption was 296.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:26:40,633 INFO L168 Benchmark]: Witness Printer took 189.72 ms. Allocated memory is still 901.8 MB. Free memory was 530.4 MB in the beginning and 510.4 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:26:40,635 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, 47 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 65.2s, OverallIterations: 44, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1760963760 SDtfs, -922355946 SDslu, 344285368 SDs, 0 SdLazy, -554049588 SolverSat, -1243897830 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 49.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19130 GetRequests, 18520 SyntacticMatches, 57 SemanticMatches, 553 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144569 ImplicationChecksByTransitivity, 54.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 1649 NumberOfCodeBlocks, 1649 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 1555 ConstructedInterpolants, 0 QuantifiedInterpolants, 149900 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 43 InterpolantComputations, 27 PerfectInterpolantSequences, 363/408 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: [L42] int cleanupTimeShifts = 4; [L153] int waterLevel = 1; [L154] int methaneLevelCritical = 0; [L257] int methAndRunningLastTime ; [L500] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L767] int pumpRunning = 0; [L768] int systemActive = 1; [L125] int retValue_acc ; [L126] int tmp ; [L322] int retValue_acc ; [L325] retValue_acc = 1 [L326] return (retValue_acc); [L132] tmp = valid_product() [L134] COND TRUE \read(tmp) [L262] methAndRunningLastTime = 0 [L699] int splverifierCounter ; [L700] int tmp ; [L701] int tmp___0 ; [L702] int tmp___1 ; [L703] int tmp___2 ; [L706] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L708] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L710] COND TRUE splverifierCounter < 4 [L716] tmp = __VERIFIER_nondet_int() [L718] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L720] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L171] COND TRUE waterLevel < 2 [L172] waterLevel = waterLevel + 1 [L720] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L726] tmp___0 = __VERIFIER_nondet_int() [L728] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L730] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L183] COND FALSE !(\read(methaneLevelCritical)) [L186] methaneLevelCritical = 1 [L730] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L736] tmp___2 = __VERIFIER_nondet_int() [L738] COND FALSE !(\read(tmp___2)) [L744] tmp___1 = __VERIFIER_nondet_int() [L746] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L753] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L774] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L781] COND TRUE \read(systemActive) [L803] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L806] COND TRUE ! pumpRunning [L900] int retValue_acc ; [L901] int tmp ; [L902] int tmp___0 ; [L233] int retValue_acc ; [L236] COND FALSE !(waterLevel < 2) [L240] retValue_acc = 0 [L241] return (retValue_acc); [L906] tmp = isHighWaterSensorDry() [L908] COND FALSE !(\read(tmp)) [L911] tmp___0 = 1 [L913] retValue_acc = tmp___0 [L914] return (retValue_acc); [L808] tmp = isHighWaterLevel() [L810] COND TRUE \read(tmp) [L831] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L267] int tmp ; [L268] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L272] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L192] int retValue_acc ; [L195] retValue_acc = methaneLevelCritical [L196] return (retValue_acc); [L272] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L272] tmp = isMethaneLevelCritical() [L274] COND TRUE \read(tmp) [L855] int retValue_acc ; [L858] retValue_acc = pumpRunning [L859] return (retValue_acc); [L276] tmp___0 = isPumpRunning() [L278] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L279] COND FALSE !(\read(methAndRunningLastTime)) [L284] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L753] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L708] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L710] COND TRUE splverifierCounter < 4 [L716] tmp = __VERIFIER_nondet_int() [L718] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L726] tmp___0 = __VERIFIER_nondet_int() [L728] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L736] tmp___2 = __VERIFIER_nondet_int() [L738] COND TRUE \read(tmp___2) [L922] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L753] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L774] COND TRUE \read(pumpRunning) [L159] COND TRUE waterLevel > 0 [L160] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L781] COND TRUE \read(systemActive) [L803] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L806] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L821] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L267] int tmp ; [L268] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L272] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L192] int retValue_acc ; [L195] retValue_acc = methaneLevelCritical [L196] return (retValue_acc); [L272] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L272] tmp = isMethaneLevelCritical() [L274] COND TRUE \read(tmp) [L855] int retValue_acc ; [L858] retValue_acc = pumpRunning [L859] return (retValue_acc); [L276] tmp___0 = isPumpRunning() [L278] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L279] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L3] __assert_fail("0", "minepump_spec2_product34.cil.c", 3, "reach_error") VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 83.9 MB. Free memory is still 42.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 498.60 ms. Allocated memory is still 140.5 MB. Free memory was 113.1 MB in the beginning and 107.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.48 ms. Allocated memory is still 140.5 MB. Free memory was 107.7 MB in the beginning and 105.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.24 ms. Allocated memory is still 140.5 MB. Free memory was 105.1 MB in the beginning and 103.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1528.96 ms. Allocated memory is still 140.5 MB. Free memory was 103.3 MB in the beginning and 66.6 MB in the end (delta: 36.7 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. * CodeCheck took 65550.12 ms. Allocated memory was 140.5 MB in the beginning and 901.8 MB in the end (delta: 761.3 MB). Free memory was 66.6 MB in the beginning and 530.4 MB in the end (delta: -463.7 MB). Peak memory consumption was 296.7 MB. Max. memory is 16.1 GB. * Witness Printer took 189.72 ms. Allocated memory is still 901.8 MB. Free memory was 530.4 MB in the beginning and 510.4 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...