./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_06b3331d-e670-43d8-b632-d0c66dad244f/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_06b3331d-e670-43d8-b632-d0c66dad244f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_06b3331d-e670-43d8-b632-d0c66dad244f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_06b3331d-e670-43d8-b632-d0c66dad244f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_06b3331d-e670-43d8-b632-d0c66dad244f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_06b3331d-e670-43d8-b632-d0c66dad244f/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 0f3978068d3e88eb2e8d08ee6f85f2ba09bbc729 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-cad4683 [2019-10-22 10:18:46,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:18:46,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:18:46,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:18:46,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:18:46,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:18:46,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:18:46,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:18:46,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:18:46,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:18:46,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:18:46,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:18:46,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:18:46,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:18:46,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:18:46,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:18:46,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:18:46,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:18:46,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:18:46,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:18:46,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:18:46,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:18:46,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:18:46,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:18:46,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:18:46,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:18:46,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:18:46,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:18:46,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:18:46,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:18:46,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:18:46,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:18:46,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:18:46,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:18:46,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:18:46,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:18:46,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:18:46,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:18:46,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:18:46,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:18:46,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:18:46,134 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_06b3331d-e670-43d8-b632-d0c66dad244f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:18:46,151 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:18:46,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:18:46,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:18:46,155 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:18:46,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:18:46,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:18:46,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:18:46,157 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:18:46,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:18:46,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:18:46,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:18:46,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:18:46,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:18:46,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:18:46,158 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:18:46,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:18:46,158 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:18:46,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:18:46,158 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:18:46,158 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:18:46,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:18:46,159 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:18:46,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:18:46,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:18:46,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:18:46,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:18:46,159 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:18:46,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:18:46,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:18:46,161 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/working_dir_06b3331d-e670-43d8-b632-d0c66dad244f/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 -> 0f3978068d3e88eb2e8d08ee6f85f2ba09bbc729 [2019-10-22 10:18:46,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:18:46,214 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:18:46,217 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:18:46,218 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:18:46,218 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:18:46,219 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_06b3331d-e670-43d8-b632-d0c66dad244f/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c [2019-10-22 10:18:46,277 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_06b3331d-e670-43d8-b632-d0c66dad244f/bin/ukojak/data/6db9e5261/c26c115501254a99ae428d89535f1832/FLAG83a55e581 [2019-10-22 10:18:46,701 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:18:46,702 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_06b3331d-e670-43d8-b632-d0c66dad244f/sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c [2019-10-22 10:18:46,712 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_06b3331d-e670-43d8-b632-d0c66dad244f/bin/ukojak/data/6db9e5261/c26c115501254a99ae428d89535f1832/FLAG83a55e581 [2019-10-22 10:18:46,724 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_06b3331d-e670-43d8-b632-d0c66dad244f/bin/ukojak/data/6db9e5261/c26c115501254a99ae428d89535f1832 [2019-10-22 10:18:46,726 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:18:46,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:18:46,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:18:46,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:18:46,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:18:46,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:18:46" (1/1) ... [2019-10-22 10:18:46,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc74767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:46, skipping insertion in model container [2019-10-22 10:18:46,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:18:46" (1/1) ... [2019-10-22 10:18:46,743 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:18:46,783 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:18:47,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:18:47,114 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:18:47,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:18:47,226 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:18:47,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:47 WrapperNode [2019-10-22 10:18:47,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:18:47,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:18:47,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:18:47,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:18:47,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:47" (1/1) ... [2019-10-22 10:18:47,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:47" (1/1) ... [2019-10-22 10:18:47,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:18:47,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:18:47,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:18:47,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:18:47,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:47" (1/1) ... [2019-10-22 10:18:47,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:47" (1/1) ... [2019-10-22 10:18:47,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:47" (1/1) ... [2019-10-22 10:18:47,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:47" (1/1) ... [2019-10-22 10:18:47,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:47" (1/1) ... [2019-10-22 10:18:47,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:47" (1/1) ... [2019-10-22 10:18:47,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:47" (1/1) ... [2019-10-22 10:18:47,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:18:47,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:18:47,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:18:47,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:18:47,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_06b3331d-e670-43d8-b632-d0c66dad244f/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 [2019-10-22 10:18:47,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:18:47,395 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:18:47,395 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:18:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:18:47,396 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:18:47,397 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:18:47,397 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:18:47,397 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:18:47,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:18:47,398 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:18:47,398 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:18:47,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:18:47,398 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:18:47,398 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:18:47,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:18:47,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:18:48,328 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:18:48,328 INFO L284 CfgBuilder]: Removed 40 assume(true) statements. [2019-10-22 10:18:48,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:18:48 BoogieIcfgContainer [2019-10-22 10:18:48,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:18:48,330 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:18:48,330 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:18:48,341 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:18:48,341 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:18:48" (1/1) ... [2019-10-22 10:18:48,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:18:48,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:48,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2019-10-22 10:18:48,384 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2019-10-22 10:18:48,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:18:48,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:48,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:48,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:48,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2019-10-22 10:18:48,646 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2019-10-22 10:18:48,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:18:48,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:48,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:48,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:48,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2019-10-22 10:18:48,764 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2019-10-22 10:18:48,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:18:48,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:48,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:49,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:49,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2019-10-22 10:18:49,248 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2019-10-22 10:18:49,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:18:49,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:49,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:49,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:49,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 73 states and 112 transitions. [2019-10-22 10:18:49,602 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2019-10-22 10:18:49,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:18:49,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:49,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:49,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:49,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 74 states and 113 transitions. [2019-10-22 10:18:49,697 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2019-10-22 10:18:49,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:18:49,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:49,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:50,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:50,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 84 states and 133 transitions. [2019-10-22 10:18:50,148 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 133 transitions. [2019-10-22 10:18:50,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:18:50,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:50,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:50,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:50,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 85 states and 134 transitions. [2019-10-22 10:18:50,219 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 134 transitions. [2019-10-22 10:18:50,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:18:50,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:50,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:50,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:50,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 85 states and 133 transitions. [2019-10-22 10:18:50,281 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 133 transitions. [2019-10-22 10:18:50,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:18:50,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:50,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:18:50,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:50,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 89 states and 138 transitions. [2019-10-22 10:18:50,363 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 138 transitions. [2019-10-22 10:18:50,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 10:18:50,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:50,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:18:50,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:50,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 98 states and 157 transitions. [2019-10-22 10:18:50,971 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2019-10-22 10:18:50,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:18:50,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:51,034 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:51,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:51,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 104 states and 170 transitions. [2019-10-22 10:18:51,279 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 170 transitions. [2019-10-22 10:18:51,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 10:18:51,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:51,304 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:51,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:51,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 102 states and 166 transitions. [2019-10-22 10:18:51,319 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 166 transitions. [2019-10-22 10:18:51,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 10:18:51,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:51,603 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:18:52,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:52,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 117 states and 216 transitions. [2019-10-22 10:18:52,966 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 216 transitions. [2019-10-22 10:18:52,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 10:18:52,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:52,995 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:18:53,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:53,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 119 states and 217 transitions. [2019-10-22 10:18:53,195 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 217 transitions. [2019-10-22 10:18:53,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:18:53,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:53,222 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:53,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:53,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 121 states and 222 transitions. [2019-10-22 10:18:53,527 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 222 transitions. [2019-10-22 10:18:53,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:18:53,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:53,725 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:18:54,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:54,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 123 states and 226 transitions. [2019-10-22 10:18:54,451 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 226 transitions. [2019-10-22 10:18:54,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:18:54,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:54,481 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:54,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:54,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 125 states and 230 transitions. [2019-10-22 10:18:54,791 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 230 transitions. [2019-10-22 10:18:54,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:18:54,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:54,884 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:18:55,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:55,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 131 states and 258 transitions. [2019-10-22 10:18:55,782 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 258 transitions. [2019-10-22 10:18:55,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:18:55,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:55,814 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:18:56,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:56,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 133 states and 267 transitions. [2019-10-22 10:18:56,040 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 267 transitions. [2019-10-22 10:18:56,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:18:56,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:56,065 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:18:56,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:56,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 135 states and 270 transitions. [2019-10-22 10:18:56,300 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 270 transitions. [2019-10-22 10:18:56,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:18:56,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:56,326 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:18:57,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:57,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 145 states and 292 transitions. [2019-10-22 10:18:57,475 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 292 transitions. [2019-10-22 10:18:57,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:18:57,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:57,501 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:18:57,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:57,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 147 states and 297 transitions. [2019-10-22 10:18:57,708 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 297 transitions. [2019-10-22 10:18:57,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:18:57,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:57,734 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-22 10:18:57,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:57,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 148 states and 298 transitions. [2019-10-22 10:18:57,754 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 298 transitions. [2019-10-22 10:18:57,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:18:57,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:57,780 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:18:59,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:59,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 156 states and 319 transitions. [2019-10-22 10:18:59,178 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 319 transitions. [2019-10-22 10:18:59,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:18:59,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:59,205 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:18:59,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:59,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 157 states and 320 transitions. [2019-10-22 10:18:59,227 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 320 transitions. [2019-10-22 10:18:59,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:18:59,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:59,251 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:18:59,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:59,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 157 states and 319 transitions. [2019-10-22 10:18:59,266 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 319 transitions. [2019-10-22 10:18:59,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:18:59,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:59,564 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:19:01,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:19:01,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 173 states and 351 transitions. [2019-10-22 10:19:01,754 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 351 transitions. [2019-10-22 10:19:01,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:19:01,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:19:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:19:01,780 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:19:02,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:19:02,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 175 states and 352 transitions. [2019-10-22 10:19:02,059 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 352 transitions. [2019-10-22 10:19:02,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:19:02,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:19:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:19:02,778 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 10:19:06,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:19:06,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 188 states and 389 transitions. [2019-10-22 10:19:06,726 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 389 transitions. [2019-10-22 10:19:06,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 10:19:06,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:19:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:19:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:19:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:19:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:19:07,588 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 30 iterations. [2019-10-22 10:19:07,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:19:07 ImpRootNode [2019-10-22 10:19:07,744 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:19:07,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:19:07,744 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:19:07,744 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:19:07,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:18:48" (3/4) ... [2019-10-22 10:19:07,746 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:19:07,873 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_06b3331d-e670-43d8-b632-d0c66dad244f/bin/ukojak/witness.graphml [2019-10-22 10:19:07,874 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:19:07,876 INFO L168 Benchmark]: Toolchain (without parser) took 21148.23 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 439.4 MB). Free memory was 943.2 MB in the beginning and 1.2 GB in the end (delta: -212.4 MB). Peak memory consumption was 226.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:19:07,877 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:19:07,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -186.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:19:07,877 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:19:07,877 INFO L168 Benchmark]: Boogie Preprocessor took 32.30 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. [2019-10-22 10:19:07,878 INFO L168 Benchmark]: RCFGBuilder took 1012.74 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: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:19:07,878 INFO L168 Benchmark]: CodeCheck took 19413.74 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 299.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -141.6 MB). Peak memory consumption was 157.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:19:07,878 INFO L168 Benchmark]: Witness Printer took 130.67 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:19:07,880 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: 19.2s, OverallIterations: 30, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 980256660 SDtfs, 776426292 SDslu, 472455418 SDs, 0 SdLazy, -664906964 SolverSat, -1560752950 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11537 GetRequests, 11170 SyntacticMatches, 37 SemanticMatches, 330 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46622 ImplicationChecksByTransitivity, 15.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1073 NumberOfCodeBlocks, 1073 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 992 ConstructedInterpolants, 0 QuantifiedInterpolants, 99800 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 15 PerfectInterpolantSequences, 218/287 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: 764]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L581] int pumpRunning = 0; [L582] int systemActive = 1; [L833] int cleanupTimeShifts = 4; [L906] int retValue_acc ; [L907] int tmp ; [L824] int retValue_acc ; [L827] retValue_acc = 1 [L828] return (retValue_acc); [L913] tmp = valid_product() [L915] COND TRUE \read(tmp) [L511] int splverifierCounter ; [L512] int tmp ; [L513] int tmp___0 ; [L514] int tmp___1 ; [L515] int tmp___2 ; [L518] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L520] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L522] COND TRUE splverifierCounter < 4 [L528] tmp = __VERIFIER_nondet_int() [L530] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L532] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L431] COND TRUE waterLevel < 2 [L432] waterLevel = waterLevel + 1 [L532] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L538] tmp___0 = __VERIFIER_nondet_int() [L540] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L548] tmp___2 = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp___2)) [L556] tmp___1 = __VERIFIER_nondet_int() [L558] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L565] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L589] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L596] COND TRUE \read(systemActive) [L618] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L621] COND TRUE ! pumpRunning [L733] int retValue_acc ; [L734] int tmp ; [L735] int tmp___0 ; [L493] int retValue_acc ; [L496] COND FALSE !(waterLevel < 2) [L500] retValue_acc = 0 [L501] return (retValue_acc); [L739] tmp = isHighWaterSensorDry() [L741] COND FALSE !(\read(tmp)) [L744] tmp___0 = 1 [L746] retValue_acc = tmp___0 [L747] return (retValue_acc); [L623] tmp = isHighWaterLevel() [L625] COND TRUE \read(tmp) [L652] int tmp ; [L677] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L681] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L681] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L681] retValue_acc = isMethaneLevelCritical() [L683] return (retValue_acc); [L656] tmp = isMethaneAlarm() [L658] COND FALSE !(\read(tmp)) [L646] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L770] int tmp ; [L771] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L775] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L775] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L775] tmp = isMethaneLevelCritical() [L777] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L565] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L520] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L522] COND TRUE splverifierCounter < 4 [L528] tmp = __VERIFIER_nondet_int() [L530] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L538] tmp___0 = __VERIFIER_nondet_int() [L540] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L542] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L443] COND FALSE !(\read(methaneLevelCritical)) [L446] methaneLevelCritical = 1 [L542] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L548] tmp___2 = __VERIFIER_nondet_int() [L550] COND TRUE \read(tmp___2) [L755] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L565] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L589] COND TRUE \read(pumpRunning) [L419] COND TRUE waterLevel > 0 [L420] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L596] COND TRUE \read(systemActive) [L618] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L621] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L636] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L770] int tmp ; [L771] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L775] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L775] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L775] tmp = isMethaneLevelCritical() [L777] COND TRUE \read(tmp) [L688] int retValue_acc ; [L691] retValue_acc = pumpRunning [L692] return (retValue_acc); [L779] tmp___0 = isPumpRunning() [L781] 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] [L764] __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 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 497.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -186.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.30 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 1012.74 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: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. * CodeCheck took 19413.74 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 299.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -141.6 MB). Peak memory consumption was 157.8 MB. Max. memory is 11.5 GB. * Witness Printer took 130.67 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...