./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_39f90767-e760-4ef2-b61f-0b0821eda829/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_39f90767-e760-4ef2-b61f-0b0821eda829/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_39f90767-e760-4ef2-b61f-0b0821eda829/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_39f90767-e760-4ef2-b61f-0b0821eda829/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_39f90767-e760-4ef2-b61f-0b0821eda829/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_39f90767-e760-4ef2-b61f-0b0821eda829/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63b48aee14c7431a4aa25f8de4f2dd8129d50ad4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.25-f470102 [2019-12-01 21:16:11,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 21:16:11,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 21:16:11,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 21:16:11,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 21:16:11,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 21:16:11,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 21:16:11,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 21:16:11,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 21:16:11,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 21:16:11,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 21:16:11,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 21:16:11,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 21:16:11,491 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 21:16:11,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 21:16:11,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 21:16:11,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 21:16:11,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 21:16:11,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 21:16:11,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 21:16:11,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 21:16:11,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 21:16:11,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 21:16:11,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 21:16:11,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 21:16:11,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 21:16:11,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 21:16:11,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 21:16:11,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 21:16:11,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 21:16:11,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 21:16:11,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 21:16:11,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 21:16:11,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 21:16:11,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 21:16:11,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 21:16:11,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 21:16:11,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 21:16:11,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 21:16:11,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 21:16:11,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 21:16:11,507 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_39f90767-e760-4ef2-b61f-0b0821eda829/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 21:16:11,516 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 21:16:11,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 21:16:11,517 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 21:16:11,517 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 21:16:11,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 21:16:11,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 21:16:11,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 21:16:11,518 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 21:16:11,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 21:16:11,518 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 21:16:11,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 21:16:11,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 21:16:11,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 21:16:11,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 21:16:11,519 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 21:16:11,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 21:16:11,519 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 21:16:11,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 21:16:11,519 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 21:16:11,519 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 21:16:11,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 21:16:11,520 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 21:16:11,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 21:16:11,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 21:16:11,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 21:16:11,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 21:16:11,520 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 21:16:11,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 21:16:11,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 21:16:11,521 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_39f90767-e760-4ef2-b61f-0b0821eda829/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(__VERIFIER_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 -> 63b48aee14c7431a4aa25f8de4f2dd8129d50ad4 [2019-12-01 21:16:11,616 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 21:16:11,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 21:16:11,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 21:16:11,626 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 21:16:11,627 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 21:16:11,627 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_39f90767-e760-4ef2-b61f-0b0821eda829/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c [2019-12-01 21:16:11,662 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39f90767-e760-4ef2-b61f-0b0821eda829/bin/ukojak/data/c64fd51ab/ce0a40a944aa4449aef3e3e0e2ad7691/FLAGf7a261411 [2019-12-01 21:16:12,087 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 21:16:12,087 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_39f90767-e760-4ef2-b61f-0b0821eda829/sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c [2019-12-01 21:16:12,095 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39f90767-e760-4ef2-b61f-0b0821eda829/bin/ukojak/data/c64fd51ab/ce0a40a944aa4449aef3e3e0e2ad7691/FLAGf7a261411 [2019-12-01 21:16:12,104 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_39f90767-e760-4ef2-b61f-0b0821eda829/bin/ukojak/data/c64fd51ab/ce0a40a944aa4449aef3e3e0e2ad7691 [2019-12-01 21:16:12,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 21:16:12,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 21:16:12,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 21:16:12,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 21:16:12,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 21:16:12,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:16:12" (1/1) ... [2019-12-01 21:16:12,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec2c2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:16:12, skipping insertion in model container [2019-12-01 21:16:12,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:16:12" (1/1) ... [2019-12-01 21:16:12,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 21:16:12,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 21:16:12,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 21:16:12,364 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 21:16:12,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 21:16:12,434 INFO L208 MainTranslator]: Completed translation [2019-12-01 21:16:12,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:16:12 WrapperNode [2019-12-01 21:16:12,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 21:16:12,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 21:16:12,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 21:16:12,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 21:16:12,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:16:12" (1/1) ... [2019-12-01 21:16:12,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:16:12" (1/1) ... [2019-12-01 21:16:12,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 21:16:12,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 21:16:12,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 21:16:12,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 21:16:12,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:16:12" (1/1) ... [2019-12-01 21:16:12,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:16:12" (1/1) ... [2019-12-01 21:16:12,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:16:12" (1/1) ... [2019-12-01 21:16:12,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:16:12" (1/1) ... [2019-12-01 21:16:12,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:16:12" (1/1) ... [2019-12-01 21:16:12,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:16:12" (1/1) ... [2019-12-01 21:16:12,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:16:12" (1/1) ... [2019-12-01 21:16:12,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 21:16:12,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 21:16:12,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 21:16:12,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 21:16:12,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:16:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39f90767-e760-4ef2-b61f-0b0821eda829/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 [2019-12-01 21:16:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 21:16:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-01 21:16:12,545 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-01 21:16:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 21:16:12,545 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 21:16:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 21:16:12,545 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 21:16:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-12-01 21:16:12,545 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-12-01 21:16:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 21:16:12,546 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 21:16:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 21:16:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 21:16:12,546 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 21:16:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 21:16:12,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 21:16:13,118 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 21:16:13,118 INFO L287 CfgBuilder]: Removed 42 assume(true) statements. [2019-12-01 21:16:13,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:16:13 BoogieIcfgContainer [2019-12-01 21:16:13,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 21:16:13,120 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 21:16:13,120 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 21:16:13,129 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 21:16:13,129 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:16:13" (1/1) ... [2019-12-01 21:16:13,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 21:16:13,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:13,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2019-12-01 21:16:13,169 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2019-12-01 21:16:13,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 21:16:13,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:13,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:16:13,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:13,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2019-12-01 21:16:13,336 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2019-12-01 21:16:13,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 21:16:13,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:13,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:16:13,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:13,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2019-12-01 21:16:13,405 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2019-12-01 21:16:13,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 21:16:13,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:13,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:16:13,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:13,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2019-12-01 21:16:13,609 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2019-12-01 21:16:13,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 21:16:13,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:13,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:16:13,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:13,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 64 states and 91 transitions. [2019-12-01 21:16:13,662 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2019-12-01 21:16:13,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 21:16:13,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:13,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:16:14,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:14,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 74 states and 113 transitions. [2019-12-01 21:16:14,020 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2019-12-01 21:16:14,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 21:16:14,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:14,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:16:14,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:14,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 89 states and 143 transitions. [2019-12-01 21:16:14,918 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 143 transitions. [2019-12-01 21:16:14,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 21:16:14,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:14,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:16:14,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:14,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 92 states and 147 transitions. [2019-12-01 21:16:14,959 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 147 transitions. [2019-12-01 21:16:14,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 21:16:14,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:14,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:16:15,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:15,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 95 states and 154 transitions. [2019-12-01 21:16:15,103 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 154 transitions. [2019-12-01 21:16:15,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 21:16:15,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:15,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:16:15,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:15,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 96 states and 155 transitions. [2019-12-01 21:16:15,146 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 155 transitions. [2019-12-01 21:16:15,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-01 21:16:15,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:15,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 21:16:15,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:15,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 105 states and 176 transitions. [2019-12-01 21:16:15,829 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 176 transitions. [2019-12-01 21:16:15,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 21:16:15,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:15,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 21:16:15,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:15,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 107 states and 178 transitions. [2019-12-01 21:16:15,976 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 178 transitions. [2019-12-01 21:16:15,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 21:16:15,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:15,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:16:16,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:16,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 108 states and 179 transitions. [2019-12-01 21:16:16,011 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 179 transitions. [2019-12-01 21:16:16,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 21:16:16,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:16,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:16:16,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:16,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 109 states and 181 transitions. [2019-12-01 21:16:16,041 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 181 transitions. [2019-12-01 21:16:16,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 21:16:16,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:16,094 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:16:16,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:16,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 115 states and 197 transitions. [2019-12-01 21:16:16,551 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 197 transitions. [2019-12-01 21:16:16,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-01 21:16:16,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:16,574 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:16:16,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:16,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 113 states and 193 transitions. [2019-12-01 21:16:16,588 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 193 transitions. [2019-12-01 21:16:16,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-01 21:16:16,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:16,608 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 21:16:16,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:16,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 115 states and 194 transitions. [2019-12-01 21:16:16,740 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 194 transitions. [2019-12-01 21:16:16,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 21:16:16,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:16,757 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:16:17,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:17,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 117 states and 199 transitions. [2019-12-01 21:16:17,017 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 199 transitions. [2019-12-01 21:16:17,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 21:16:17,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:17,196 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:16:18,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:18,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 127 states and 235 transitions. [2019-12-01 21:16:18,233 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 235 transitions. [2019-12-01 21:16:18,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 21:16:18,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:18,313 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:16:18,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:18,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 129 states and 239 transitions. [2019-12-01 21:16:18,470 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 239 transitions. [2019-12-01 21:16:18,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 21:16:18,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:18,549 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:16:19,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:19,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 139 states and 259 transitions. [2019-12-01 21:16:19,536 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 259 transitions. [2019-12-01 21:16:19,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 21:16:19,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:19,600 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:16:19,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:19,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 141 states and 263 transitions. [2019-12-01 21:16:19,762 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 263 transitions. [2019-12-01 21:16:19,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 21:16:19,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:19,780 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 21:16:19,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:19,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 140 states and 260 transitions. [2019-12-01 21:16:19,814 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 260 transitions. [2019-12-01 21:16:19,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 21:16:19,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:19,882 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:16:19,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:19,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 141 states and 261 transitions. [2019-12-01 21:16:19,901 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 261 transitions. [2019-12-01 21:16:19,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 21:16:19,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:19,978 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 21:16:20,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:20,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 146 states and 270 transitions. [2019-12-01 21:16:20,331 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 270 transitions. [2019-12-01 21:16:20,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 21:16:20,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:20,529 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 21:16:21,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:21,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 148 states and 273 transitions. [2019-12-01 21:16:21,454 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 273 transitions. [2019-12-01 21:16:21,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 21:16:21,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:21,520 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:16:22,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:22,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 154 states and 286 transitions. [2019-12-01 21:16:22,423 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 286 transitions. [2019-12-01 21:16:22,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 21:16:22,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:22,489 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:16:24,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:24,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 162 states and 304 transitions. [2019-12-01 21:16:24,010 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 304 transitions. [2019-12-01 21:16:24,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 21:16:24,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:24,214 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 21:16:26,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:26,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 175 states and 328 transitions. [2019-12-01 21:16:26,088 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 328 transitions. [2019-12-01 21:16:26,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 21:16:26,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:26,125 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 21:16:26,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:26,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 177 states and 329 transitions. [2019-12-01 21:16:26,354 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 329 transitions. [2019-12-01 21:16:26,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 21:16:26,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:26,371 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 21:16:26,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:26,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 182 states and 336 transitions. [2019-12-01 21:16:26,632 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 336 transitions. [2019-12-01 21:16:26,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 21:16:26,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:26,861 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 21:16:29,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:29,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 189 states and 343 transitions. [2019-12-01 21:16:29,388 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 343 transitions. [2019-12-01 21:16:29,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 21:16:29,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:29,426 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 21:16:29,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:29,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 190 states and 344 transitions. [2019-12-01 21:16:29,449 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 344 transitions. [2019-12-01 21:16:29,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 21:16:29,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:29,472 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 21:16:29,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:29,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 192 states and 346 transitions. [2019-12-01 21:16:29,502 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 346 transitions. [2019-12-01 21:16:29,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 21:16:29,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:29,524 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 21:16:29,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:29,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 194 states and 347 transitions. [2019-12-01 21:16:29,781 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 347 transitions. [2019-12-01 21:16:29,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 21:16:29,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:29,797 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 21:16:29,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:29,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 195 states and 348 transitions. [2019-12-01 21:16:29,809 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 348 transitions. [2019-12-01 21:16:29,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 21:16:29,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:29,826 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 21:16:29,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:29,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 197 states and 351 transitions. [2019-12-01 21:16:29,981 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 351 transitions. [2019-12-01 21:16:29,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 21:16:29,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:29,999 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 21:16:30,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:30,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 202 states and 360 transitions. [2019-12-01 21:16:30,238 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 360 transitions. [2019-12-01 21:16:30,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 21:16:30,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:30,257 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 21:16:30,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:30,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 204 states and 362 transitions. [2019-12-01 21:16:30,517 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 362 transitions. [2019-12-01 21:16:30,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 21:16:30,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:16:31,068 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 21:16:36,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:16:36,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 217 states and 396 transitions. [2019-12-01 21:16:36,500 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 396 transitions. [2019-12-01 21:16:36,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 21:16:36,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:16:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 21:16:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 21:16:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 21:16:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 21:16:36,749 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 40 iterations. [2019-12-01 21:16:36,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 09:16:36 ImpRootNode [2019-12-01 21:16:36,874 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 21:16:36,874 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 21:16:36,874 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 21:16:36,875 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 21:16:36,875 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:16:13" (3/4) ... [2019-12-01 21:16:36,877 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 21:16:36,947 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_39f90767-e760-4ef2-b61f-0b0821eda829/bin/ukojak/witness.graphml [2019-12-01 21:16:36,947 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 21:16:36,949 INFO L168 Benchmark]: Toolchain (without parser) took 24841.47 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 377.5 MB). Free memory was 943.4 MB in the beginning and 868.8 MB in the end (delta: 74.6 MB). Peak memory consumption was 452.0 MB. Max. memory is 11.5 GB. [2019-12-01 21:16:36,949 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 21:16:36,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-01 21:16:36,949 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 21:16:36,949 INFO L168 Benchmark]: Boogie Preprocessor took 23.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 21:16:36,950 INFO L168 Benchmark]: RCFGBuilder took 619.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. [2019-12-01 21:16:36,950 INFO L168 Benchmark]: CodeCheck took 23754.41 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 273.7 MB). Free memory was 1.0 GB in the beginning and 894.6 MB in the end (delta: 109.0 MB). Peak memory consumption was 382.7 MB. Max. memory is 11.5 GB. [2019-12-01 21:16:36,950 INFO L168 Benchmark]: Witness Printer took 72.90 ms. Allocated memory is still 1.4 GB. Free memory was 894.6 MB in the beginning and 868.8 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-12-01 21:16:36,951 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 48 locations, 1 error locations. Result: UNSAFE, OverallTime: 23.6s, OverallIterations: 40, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -30829744 SDtfs, -525403566 SDslu, -926470904 SDs, 0 SdLazy, 1848047178 SolverSat, 976043212 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16237 GetRequests, 15671 SyntacticMatches, 184 SemanticMatches, 382 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71424 ImplicationChecksByTransitivity, 20.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1494 NumberOfCodeBlocks, 1494 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 1403 ConstructedInterpolants, 0 QuantifiedInterpolants, 167175 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 24 PerfectInterpolantSequences, 331/470 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: 405]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L147] int pumpRunning = 0; [L148] int systemActive = 1; [L436] int cleanupTimeShifts = 4; [L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L512] int retValue_acc ; [L513] int tmp ; [L927] int retValue_acc ; [L930] retValue_acc = 1 [L931] return (retValue_acc); [L519] tmp = valid_product() [L521] COND TRUE \read(tmp) [L335] int splverifierCounter ; [L336] int tmp ; [L337] int tmp___0 ; [L338] int tmp___1 ; [L339] int tmp___2 ; [L342] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L344] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L346] COND TRUE splverifierCounter < 4 [L352] tmp = __VERIFIER_nondet_int() [L354] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L356] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 [L356] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L362] tmp___0 = __VERIFIER_nondet_int() [L364] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L372] tmp___2 = __VERIFIER_nondet_int() [L374] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L389] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L155] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L162] COND TRUE \read(systemActive) [L184] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L187] COND TRUE ! pumpRunning [L299] int retValue_acc ; [L300] int tmp ; [L301] int tmp___0 ; [L127] int retValue_acc ; [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); [L305] tmp = isHighWaterSensorDry() [L307] COND FALSE !(\read(tmp)) [L310] tmp___0 = 1 [L312] retValue_acc = tmp___0 [L313] return (retValue_acc); [L189] tmp = isHighWaterLevel() [L191] COND TRUE \read(tmp) [L218] int tmp ; [L243] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L247] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L247] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L247] retValue_acc = isMethaneLevelCritical() [L249] return (retValue_acc); [L222] tmp = isMethaneAlarm() [L224] COND FALSE !(\read(tmp)) [L212] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L411] int tmp ; [L412] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L416] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L416] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L416] tmp = isMethaneLevelCritical() [L418] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L389] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L344] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L346] COND TRUE splverifierCounter < 4 [L352] tmp = __VERIFIER_nondet_int() [L354] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L362] tmp___0 = __VERIFIER_nondet_int() [L364] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L366] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L77] COND FALSE !(\read(methaneLevelCritical)) [L80] methaneLevelCritical = 1 [L366] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L372] tmp___2 = __VERIFIER_nondet_int() [L374] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L389] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L155] COND TRUE \read(pumpRunning) [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L162] COND TRUE \read(systemActive) [L184] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L187] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L202] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L411] int tmp ; [L412] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L416] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L416] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L416] tmp = isMethaneLevelCritical() [L418] COND TRUE \read(tmp) [L254] int retValue_acc ; [L257] retValue_acc = pumpRunning [L258] return (retValue_acc); [L420] tmp___0 = isPumpRunning() [L422] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L405] __VERIFIER_error() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 327.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 619.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. * CodeCheck took 23754.41 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 273.7 MB). Free memory was 1.0 GB in the beginning and 894.6 MB in the end (delta: 109.0 MB). Peak memory consumption was 382.7 MB. Max. memory is 11.5 GB. * Witness Printer took 72.90 ms. Allocated memory is still 1.4 GB. Free memory was 894.6 MB in the beginning and 868.8 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...