./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f00195e8-5728-448b-95e0-a599ad8bc378/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f00195e8-5728-448b-95e0-a599ad8bc378/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f00195e8-5728-448b-95e0-a599ad8bc378/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f00195e8-5728-448b-95e0-a599ad8bc378/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product36.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f00195e8-5728-448b-95e0-a599ad8bc378/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f00195e8-5728-448b-95e0-a599ad8bc378/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 49fa497f38e3a46185ee804b3f30fdc119cb200c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.24-678e011 [2019-11-20 05:38:43,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:38:43,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:38:43,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:38:43,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:38:43,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:38:43,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:38:43,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:38:43,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:38:43,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:38:43,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:38:43,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:38:43,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:38:43,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:38:43,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:38:43,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:38:43,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:38:43,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:38:43,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:38:43,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:38:43,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:38:43,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:38:43,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:38:43,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:38:43,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:38:43,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:38:43,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:38:43,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:38:43,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:38:43,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:38:43,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:38:43,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:38:43,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:38:43,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:38:43,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:38:43,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:38:43,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:38:43,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:38:43,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:38:43,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:38:43,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:38:43,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f00195e8-5728-448b-95e0-a599ad8bc378/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 05:38:43,122 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:38:43,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:38:43,123 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 05:38:43,123 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 05:38:43,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:38:43,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:38:43,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:38:43,124 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:38:43,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:38:43,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:38:43,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:38:43,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:38:43,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:38:43,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:38:43,125 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:38:43,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:38:43,126 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:38:43,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:38:43,126 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 05:38:43,126 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 05:38:43,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:38:43,127 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:38:43,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 05:38:43,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:38:43,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:38:43,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:38:43,127 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 05:38:43,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:38:43,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:38:43,128 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_f00195e8-5728-448b-95e0-a599ad8bc378/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 -> 49fa497f38e3a46185ee804b3f30fdc119cb200c [2019-11-20 05:38:43,274 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:38:43,287 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:38:43,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:38:43,292 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:38:43,293 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:38:43,294 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f00195e8-5728-448b-95e0-a599ad8bc378/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product36.cil.c [2019-11-20 05:38:43,351 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f00195e8-5728-448b-95e0-a599ad8bc378/bin/ukojak/data/270043735/385ffe326563441e925ed483915d6b76/FLAGf3e9345b2 [2019-11-20 05:38:43,861 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:38:43,862 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f00195e8-5728-448b-95e0-a599ad8bc378/sv-benchmarks/c/product-lines/minepump_spec2_product36.cil.c [2019-11-20 05:38:43,885 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f00195e8-5728-448b-95e0-a599ad8bc378/bin/ukojak/data/270043735/385ffe326563441e925ed483915d6b76/FLAGf3e9345b2 [2019-11-20 05:38:44,366 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f00195e8-5728-448b-95e0-a599ad8bc378/bin/ukojak/data/270043735/385ffe326563441e925ed483915d6b76 [2019-11-20 05:38:44,369 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:38:44,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:38:44,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:38:44,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:38:44,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:38:44,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:38:44" (1/1) ... [2019-11-20 05:38:44,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a6e7c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44, skipping insertion in model container [2019-11-20 05:38:44,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:38:44" (1/1) ... [2019-11-20 05:38:44,388 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:38:44,433 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:38:44,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:38:44,809 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:38:44,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:38:44,983 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:38:44,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44 WrapperNode [2019-11-20 05:38:44,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:38:44,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:38:44,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:38:44,984 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:38:44,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44" (1/1) ... [2019-11-20 05:38:45,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44" (1/1) ... [2019-11-20 05:38:45,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:38:45,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:38:45,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:38:45,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:38:45,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44" (1/1) ... [2019-11-20 05:38:45,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44" (1/1) ... [2019-11-20 05:38:45,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44" (1/1) ... [2019-11-20 05:38:45,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44" (1/1) ... [2019-11-20 05:38:45,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44" (1/1) ... [2019-11-20 05:38:45,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44" (1/1) ... [2019-11-20 05:38:45,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44" (1/1) ... [2019-11-20 05:38:45,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:38:45,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:38:45,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:38:45,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:38:45,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f00195e8-5728-448b-95e0-a599ad8bc378/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 [2019-11-20 05:38:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:38:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 05:38:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 05:38:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 05:38:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 05:38:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 05:38:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 05:38:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-20 05:38:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-20 05:38:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 05:38:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 05:38:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 05:38:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 05:38:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 05:38:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:38:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:38:46,390 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:38:46,390 INFO L285 CfgBuilder]: Removed 42 assume(true) statements. [2019-11-20 05:38:46,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:38:46 BoogieIcfgContainer [2019-11-20 05:38:46,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:38:46,392 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 05:38:46,392 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 05:38:46,404 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 05:38:46,404 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:38:46" (1/1) ... [2019-11-20 05:38:46,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:38:46,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:46,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2019-11-20 05:38:46,463 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2019-11-20 05:38:46,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 05:38:46,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:46,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:38:46,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:46,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2019-11-20 05:38:46,807 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2019-11-20 05:38:46,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 05:38:46,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:46,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:38:46,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:46,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2019-11-20 05:38:46,959 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2019-11-20 05:38:46,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 05:38:46,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:47,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:38:47,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:47,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2019-11-20 05:38:47,427 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2019-11-20 05:38:47,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 05:38:47,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:47,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:38:47,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:47,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2019-11-20 05:38:47,517 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2019-11-20 05:38:47,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 05:38:47,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:47,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:38:48,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:48,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 79 states and 124 transitions. [2019-11-20 05:38:48,321 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 124 transitions. [2019-11-20 05:38:48,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 05:38:48,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:48,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:38:48,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:48,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 81 states and 127 transitions. [2019-11-20 05:38:48,412 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 127 transitions. [2019-11-20 05:38:48,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 05:38:48,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:48,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:38:48,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:48,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 83 states and 130 transitions. [2019-11-20 05:38:48,496 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 130 transitions. [2019-11-20 05:38:48,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 05:38:48,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:48,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:38:49,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:49,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 94 states and 154 transitions. [2019-11-20 05:38:49,612 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 154 transitions. [2019-11-20 05:38:49,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 05:38:49,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:49,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:38:49,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:49,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 99 states and 167 transitions. [2019-11-20 05:38:49,873 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 167 transitions. [2019-11-20 05:38:49,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 05:38:49,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:49,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:38:49,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:49,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 100 states and 170 transitions. [2019-11-20 05:38:49,937 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 170 transitions. [2019-11-20 05:38:49,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 05:38:49,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:49,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:38:49,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:49,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 101 states and 171 transitions. [2019-11-20 05:38:49,997 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 171 transitions. [2019-11-20 05:38:49,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 05:38:49,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:50,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:38:52,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:52,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 117 states and 203 transitions. [2019-11-20 05:38:52,541 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 203 transitions. [2019-11-20 05:38:52,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 05:38:52,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:52,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:38:52,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:52,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 118 states and 204 transitions. [2019-11-20 05:38:52,595 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 204 transitions. [2019-11-20 05:38:52,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 05:38:52,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:52,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:38:52,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:52,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 119 states and 207 transitions. [2019-11-20 05:38:52,817 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 207 transitions. [2019-11-20 05:38:52,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 05:38:52,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:52,931 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:38:54,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:54,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 125 states and 227 transitions. [2019-11-20 05:38:54,196 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 227 transitions. [2019-11-20 05:38:54,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 05:38:54,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:54,250 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:38:54,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:54,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 125 states and 226 transitions. [2019-11-20 05:38:54,273 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 226 transitions. [2019-11-20 05:38:54,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 05:38:54,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:54,809 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 05:38:55,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:55,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 128 states and 234 transitions. [2019-11-20 05:38:55,646 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 234 transitions. [2019-11-20 05:38:55,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 05:38:55,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:55,678 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:38:56,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:56,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 131 states and 241 transitions. [2019-11-20 05:38:56,297 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 241 transitions. [2019-11-20 05:38:56,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 05:38:56,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:56,352 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:38:56,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:56,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 133 states and 242 transitions. [2019-11-20 05:38:56,644 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 242 transitions. [2019-11-20 05:38:56,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 05:38:56,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:56,698 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:38:56,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:56,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 135 states and 246 transitions. [2019-11-20 05:38:56,771 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 246 transitions. [2019-11-20 05:38:56,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 05:38:56,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:56,813 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:38:57,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:57,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 138 states and 250 transitions. [2019-11-20 05:38:57,161 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 250 transitions. [2019-11-20 05:38:57,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 05:38:57,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:57,206 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:38:57,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:57,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 139 states and 251 transitions. [2019-11-20 05:38:57,231 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 251 transitions. [2019-11-20 05:38:57,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 05:38:57,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:57,277 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:38:57,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:57,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 146 states and 270 transitions. [2019-11-20 05:38:57,563 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 270 transitions. [2019-11-20 05:38:57,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 05:38:57,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:57,604 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:38:57,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:57,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 148 states and 271 transitions. [2019-11-20 05:38:57,903 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 271 transitions. [2019-11-20 05:38:57,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 05:38:57,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:57,938 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:38:58,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:58,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 149 states and 272 transitions. [2019-11-20 05:38:58,115 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 272 transitions. [2019-11-20 05:38:58,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 05:38:58,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:58,145 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:38:58,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:38:58,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 150 states and 273 transitions. [2019-11-20 05:38:58,309 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 273 transitions. [2019-11-20 05:38:58,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 05:38:58,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:38:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:38:58,750 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:39:01,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:39:01,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 163 states and 307 transitions. [2019-11-20 05:39:01,946 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 307 transitions. [2019-11-20 05:39:01,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 05:39:01,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:39:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:39:01,979 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:39:02,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:39:02,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 164 states and 308 transitions. [2019-11-20 05:39:02,002 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 308 transitions. [2019-11-20 05:39:02,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 05:39:02,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:39:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:39:02,330 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:39:05,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:39:05,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 182 states and 358 transitions. [2019-11-20 05:39:05,078 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 358 transitions. [2019-11-20 05:39:05,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 05:39:05,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:39:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:39:05,373 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:39:08,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:39:08,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 196 states and 382 transitions. [2019-11-20 05:39:08,244 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 382 transitions. [2019-11-20 05:39:08,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 05:39:08,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:39:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:39:08,328 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:39:08,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:39:08,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 198 states and 386 transitions. [2019-11-20 05:39:08,698 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 386 transitions. [2019-11-20 05:39:08,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 05:39:08,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:39:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:39:09,565 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:39:15,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:39:15,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 214 states and 433 transitions. [2019-11-20 05:39:15,216 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 433 transitions. [2019-11-20 05:39:15,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 05:39:15,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:39:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:39:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:39:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:39:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:39:15,652 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 33 iterations. [2019-11-20 05:39:15,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:39:15 ImpRootNode [2019-11-20 05:39:15,806 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 05:39:15,806 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:39:15,806 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:39:15,807 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:39:15,807 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:38:46" (3/4) ... [2019-11-20 05:39:15,809 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 05:39:15,958 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f00195e8-5728-448b-95e0-a599ad8bc378/bin/ukojak/witness.graphml [2019-11-20 05:39:15,958 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:39:15,960 INFO L168 Benchmark]: Toolchain (without parser) took 31588.66 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 589.8 MB). Free memory was 948.7 MB in the beginning and 1.4 GB in the end (delta: -438.3 MB). Peak memory consumption was 151.6 MB. Max. memory is 11.5 GB. [2019-11-20 05:39:15,960 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:39:15,960 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:39:15,961 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:39:15,961 INFO L168 Benchmark]: Boogie Preprocessor took 36.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:39:15,961 INFO L168 Benchmark]: RCFGBuilder took 1305.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.4 MB). Peak memory consumption was 82.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:39:15,962 INFO L168 Benchmark]: CodeCheck took 29413.71 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 442.0 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -365.5 MB). Peak memory consumption was 76.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:39:15,962 INFO L168 Benchmark]: Witness Printer took 151.77 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:39:15,964 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, 47 locations, 1 error locations. Result: UNSAFE, OverallTime: 29.2s, OverallIterations: 33, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 8701276 SDtfs, -1622217504 SDslu, 1960802368 SDs, 0 SdLazy, 190288370 SolverSat, -1304610226 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11619 GetRequests, 11193 SyntacticMatches, 44 SemanticMatches, 382 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71633 ImplicationChecksByTransitivity, 24.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1137 NumberOfCodeBlocks, 1137 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1054 ConstructedInterpolants, 0 QuantifiedInterpolants, 89761 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 29 PerfectInterpolantSequences, 256/267 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: 900]: 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; [L310] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L545] int cleanupTimeShifts = 4; [L651] int pumpRunning = 0; [L652] int systemActive = 1; [L905] int methAndRunningLastTime ; [L623] int retValue_acc ; [L624] int tmp ; [L536] int retValue_acc ; [L539] retValue_acc = 1 [L540] return (retValue_acc); [L630] tmp = valid_product() [L632] COND TRUE \read(tmp) [L910] methAndRunningLastTime = 0 [L828] int splverifierCounter ; [L829] int tmp ; [L830] int tmp___0 ; [L831] int tmp___1 ; [L832] int tmp___2 ; [L835] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L837] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L839] COND TRUE splverifierCounter < 4 [L845] tmp = __VERIFIER_nondet_int() [L847] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L849] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 [L849] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L855] tmp___0 = __VERIFIER_nondet_int() [L857] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L859] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L77] COND FALSE !(\read(methaneLevelCritical)) [L80] methaneLevelCritical = 1 [L859] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L865] tmp___2 = __VERIFIER_nondet_int() [L867] COND FALSE !(\read(tmp___2)) [L873] tmp___1 = __VERIFIER_nondet_int() [L875] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L884] 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] [L659] 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] [L666] COND TRUE \read(systemActive) [L688] 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] [L691] COND TRUE ! pumpRunning [L785] int retValue_acc ; [L786] int tmp ; [L787] int tmp___0 ; [L127] int retValue_acc ; [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); [L791] tmp = isHighWaterSensorDry() [L793] COND FALSE !(\read(tmp)) [L796] tmp___0 = 1 [L798] retValue_acc = tmp___0 [L799] return (retValue_acc); [L693] tmp = isHighWaterLevel() [L695] COND TRUE \read(tmp) [L716] 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] [L915] int tmp ; [L916] 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] [L920] 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] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L920] 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] [L920] tmp = isMethaneLevelCritical() [L922] COND TRUE \read(tmp) [L740] int retValue_acc ; [L743] retValue_acc = pumpRunning [L744] return (retValue_acc); [L924] tmp___0 = isPumpRunning() [L926] 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] [L927] COND FALSE !(\read(methAndRunningLastTime)) [L932] 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] [L884] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L837] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L839] COND TRUE splverifierCounter < 4 [L845] tmp = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L855] tmp___0 = __VERIFIER_nondet_int() [L857] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L865] tmp___2 = __VERIFIER_nondet_int() [L867] COND TRUE \read(tmp___2) [L822] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L884] 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] [L659] COND TRUE \read(pumpRunning) [L53] COND TRUE waterLevel > 0 [L54] 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] [L666] COND TRUE \read(systemActive) [L688] 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] [L691] 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] [L706] 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] [L915] int tmp ; [L916] 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] [L920] 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] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L920] 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] [L920] tmp = isMethaneLevelCritical() [L922] COND TRUE \read(tmp) [L740] int retValue_acc ; [L743] retValue_acc = pumpRunning [L744] return (retValue_acc); [L924] tmp___0 = isPumpRunning() [L926] 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] [L927] 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] [L900] __VERIFIER_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 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 611.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1305.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.4 MB). Peak memory consumption was 82.4 MB. Max. memory is 11.5 GB. * CodeCheck took 29413.71 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 442.0 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -365.5 MB). Peak memory consumption was 76.4 MB. Max. memory is 11.5 GB. * Witness Printer took 151.77 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...