./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e50463a5-8b18-41d1-a727-ae0a4d43dd24/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e50463a5-8b18-41d1-a727-ae0a4d43dd24/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e50463a5-8b18-41d1-a727-ae0a4d43dd24/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e50463a5-8b18-41d1-a727-ae0a4d43dd24/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e50463a5-8b18-41d1-a727-ae0a4d43dd24/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e50463a5-8b18-41d1-a727-ae0a4d43dd24/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 c300c29b8d9fc061a97d8a30a731a0ec640f0644 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-6b5699a [2019-11-26 02:29:48,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:29:48,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:29:48,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:29:48,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:29:48,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:29:48,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:29:48,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:29:48,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:29:48,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:29:48,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:29:48,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:29:48,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:29:48,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:29:48,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:29:48,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:29:48,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:29:48,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:29:48,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:29:48,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:29:48,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:29:48,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:29:48,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:29:48,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:29:48,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:29:48,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:29:48,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:29:48,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:29:48,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:29:48,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:29:48,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:29:48,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:29:48,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:29:48,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:29:48,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:29:48,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:29:48,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:29:48,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:29:48,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:29:48,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:29:48,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:29:48,217 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e50463a5-8b18-41d1-a727-ae0a4d43dd24/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:29:48,230 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:29:48,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:29:48,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:29:48,231 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:29:48,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:29:48,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:29:48,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:29:48,232 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:29:48,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:29:48,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:29:48,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:29:48,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:29:48,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:29:48,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:29:48,233 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:29:48,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:29:48,233 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:29:48,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:29:48,234 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:29:48,234 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:29:48,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:29:48,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:29:48,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:29:48,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:29:48,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:29:48,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:29:48,235 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:29:48,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:29:48,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:29:48,236 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_e50463a5-8b18-41d1-a727-ae0a4d43dd24/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 -> c300c29b8d9fc061a97d8a30a731a0ec640f0644 [2019-11-26 02:29:48,381 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:29:48,389 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:29:48,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:29:48,400 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:29:48,400 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:29:48,401 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e50463a5-8b18-41d1-a727-ae0a4d43dd24/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c [2019-11-26 02:29:48,460 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e50463a5-8b18-41d1-a727-ae0a4d43dd24/bin/ukojak/data/ce1af5076/1b5110e7472742249db50d60904ae6cf/FLAG2af519278 [2019-11-26 02:29:48,901 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:29:48,901 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e50463a5-8b18-41d1-a727-ae0a4d43dd24/sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c [2019-11-26 02:29:48,918 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e50463a5-8b18-41d1-a727-ae0a4d43dd24/bin/ukojak/data/ce1af5076/1b5110e7472742249db50d60904ae6cf/FLAG2af519278 [2019-11-26 02:29:48,929 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e50463a5-8b18-41d1-a727-ae0a4d43dd24/bin/ukojak/data/ce1af5076/1b5110e7472742249db50d60904ae6cf [2019-11-26 02:29:48,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:29:48,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:29:48,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:29:48,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:29:48,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:29:48,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:29:48" (1/1) ... [2019-11-26 02:29:48,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43664afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:48, skipping insertion in model container [2019-11-26 02:29:48,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:29:48" (1/1) ... [2019-11-26 02:29:48,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:29:48,982 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:29:49,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:29:49,351 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:29:49,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:29:49,456 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:29:49,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:49 WrapperNode [2019-11-26 02:29:49,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:29:49,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:29:49,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:29:49,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:29:49,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:49" (1/1) ... [2019-11-26 02:29:49,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:49" (1/1) ... [2019-11-26 02:29:49,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:29:49,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:29:49,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:29:49,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:29:49,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:49" (1/1) ... [2019-11-26 02:29:49,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:49" (1/1) ... [2019-11-26 02:29:49,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:49" (1/1) ... [2019-11-26 02:29:49,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:49" (1/1) ... [2019-11-26 02:29:49,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:49" (1/1) ... [2019-11-26 02:29:49,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:49" (1/1) ... [2019-11-26 02:29:49,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:49" (1/1) ... [2019-11-26 02:29:49,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:29:49,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:29:49,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:29:49,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:29:49,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:29:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e50463a5-8b18-41d1-a727-ae0a4d43dd24/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 [2019-11-26 02:29:49,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:29:49,684 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-26 02:29:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-26 02:29:49,685 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-26 02:29:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-26 02:29:49,685 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-26 02:29:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-26 02:29:49,685 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-26 02:29:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-26 02:29:49,686 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-26 02:29:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-26 02:29:49,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:29:49,687 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-26 02:29:49,687 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-26 02:29:49,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:29:49,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:29:50,727 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:29:50,727 INFO L284 CfgBuilder]: Removed 40 assume(true) statements. [2019-11-26 02:29:50,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:29:50 BoogieIcfgContainer [2019-11-26 02:29:50,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:29:50,729 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:29:50,729 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:29:50,736 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:29:50,736 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:29:50" (1/1) ... [2019-11-26 02:29:50,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:29:50,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:50,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2019-11-26 02:29:50,776 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2019-11-26 02:29:50,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:29:50,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:50,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:29:51,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:51,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2019-11-26 02:29:51,005 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2019-11-26 02:29:51,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-26 02:29:51,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:51,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:29:51,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:51,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2019-11-26 02:29:51,174 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2019-11-26 02:29:51,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-26 02:29:51,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:51,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:29:51,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:51,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2019-11-26 02:29:51,586 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2019-11-26 02:29:51,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 02:29:51,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:29:51,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:51,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2019-11-26 02:29:51,682 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2019-11-26 02:29:51,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 02:29:51,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:51,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:29:52,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:52,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 74 states and 113 transitions. [2019-11-26 02:29:52,390 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2019-11-26 02:29:52,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 02:29:52,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:52,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:29:52,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:52,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 75 states and 114 transitions. [2019-11-26 02:29:52,497 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 114 transitions. [2019-11-26 02:29:52,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 02:29:52,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:52,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:29:53,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:53,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 91 states and 151 transitions. [2019-11-26 02:29:53,344 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 151 transitions. [2019-11-26 02:29:53,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-26 02:29:53,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:53,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:29:55,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:55,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 105 states and 181 transitions. [2019-11-26 02:29:55,361 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 181 transitions. [2019-11-26 02:29:55,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-26 02:29:55,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:55,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:29:55,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:55,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 109 states and 190 transitions. [2019-11-26 02:29:55,774 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 190 transitions. [2019-11-26 02:29:55,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 02:29:55,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:55,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:29:55,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:55,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 111 states and 192 transitions. [2019-11-26 02:29:55,921 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 192 transitions. [2019-11-26 02:29:55,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-26 02:29:55,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:55,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:29:56,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:56,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 112 states and 195 transitions. [2019-11-26 02:29:56,135 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 195 transitions. [2019-11-26 02:29:56,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-26 02:29:56,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:56,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:29:56,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:56,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 114 states and 200 transitions. [2019-11-26 02:29:56,490 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 200 transitions. [2019-11-26 02:29:56,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 02:29:56,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:56,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:29:56,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:56,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 115 states and 201 transitions. [2019-11-26 02:29:56,647 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 201 transitions. [2019-11-26 02:29:56,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 02:29:56,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:56,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:29:56,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:56,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 116 states and 206 transitions. [2019-11-26 02:29:56,758 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 206 transitions. [2019-11-26 02:29:56,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-26 02:29:56,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:56,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:29:57,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:57,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 120 states and 215 transitions. [2019-11-26 02:29:57,014 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 215 transitions. [2019-11-26 02:29:57,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 02:29:57,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:57,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:29:57,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:57,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 121 states and 216 transitions. [2019-11-26 02:29:57,076 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 216 transitions. [2019-11-26 02:29:57,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-26 02:29:57,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:57,204 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:29:58,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:58,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 127 states and 236 transitions. [2019-11-26 02:29:58,290 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 236 transitions. [2019-11-26 02:29:58,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-26 02:29:58,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:58,315 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:29:58,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:58,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 127 states and 235 transitions. [2019-11-26 02:29:58,337 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 235 transitions. [2019-11-26 02:29:58,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-26 02:29:58,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:58,672 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:29:59,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:29:59,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 130 states and 242 transitions. [2019-11-26 02:29:59,807 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 242 transitions. [2019-11-26 02:29:59,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-26 02:29:59,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:29:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:29:59,838 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:00,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:00,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 133 states and 249 transitions. [2019-11-26 02:30:00,282 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 249 transitions. [2019-11-26 02:30:00,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-26 02:30:00,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:00,327 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:30:00,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:00,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 135 states and 250 transitions. [2019-11-26 02:30:00,615 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 250 transitions. [2019-11-26 02:30:00,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-26 02:30:00,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:00,661 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:01,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:01,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 144 states and 271 transitions. [2019-11-26 02:30:01,382 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 271 transitions. [2019-11-26 02:30:01,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-26 02:30:01,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:01,440 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:01,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:01,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 146 states and 272 transitions. [2019-11-26 02:30:01,751 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 272 transitions. [2019-11-26 02:30:01,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-26 02:30:01,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:01,793 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:02,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:02,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 153 states and 291 transitions. [2019-11-26 02:30:02,102 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 291 transitions. [2019-11-26 02:30:02,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-26 02:30:02,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:02,131 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:02,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:02,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 155 states and 292 transitions. [2019-11-26 02:30:02,422 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 292 transitions. [2019-11-26 02:30:02,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-26 02:30:02,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:02,449 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:02,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:02,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 156 states and 293 transitions. [2019-11-26 02:30:02,805 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 293 transitions. [2019-11-26 02:30:02,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-26 02:30:02,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:03,369 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:06,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:06,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 169 states and 327 transitions. [2019-11-26 02:30:06,310 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 327 transitions. [2019-11-26 02:30:06,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-26 02:30:06,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:06,338 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:30:06,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:06,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 170 states and 328 transitions. [2019-11-26 02:30:06,367 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 328 transitions. [2019-11-26 02:30:06,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-26 02:30:06,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:06,395 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:06,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:06,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 171 states and 329 transitions. [2019-11-26 02:30:06,416 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 329 transitions. [2019-11-26 02:30:06,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-26 02:30:06,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:06,877 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:09,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:09,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 185 states and 366 transitions. [2019-11-26 02:30:09,770 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 366 transitions. [2019-11-26 02:30:09,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:30:09,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:09,797 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:30:11,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:11,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 190 states and 368 transitions. [2019-11-26 02:30:11,499 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 368 transitions. [2019-11-26 02:30:11,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-26 02:30:11,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:11,565 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:12,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:12,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 192 states and 371 transitions. [2019-11-26 02:30:12,085 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 371 transitions. [2019-11-26 02:30:12,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-26 02:30:12,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:12,408 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:12,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:12,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 195 states and 379 transitions. [2019-11-26 02:30:12,583 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 379 transitions. [2019-11-26 02:30:12,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 02:30:12,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:12,608 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:30:13,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:13,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 197 states and 382 transitions. [2019-11-26 02:30:13,974 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 382 transitions. [2019-11-26 02:30:13,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:30:13,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:13,998 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:30:14,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:14,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 196 states and 375 transitions. [2019-11-26 02:30:14,814 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 375 transitions. [2019-11-26 02:30:14,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:30:14,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:14,873 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:14,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:14,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 197 states and 376 transitions. [2019-11-26 02:30:14,923 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 376 transitions. [2019-11-26 02:30:14,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:30:14,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:15,122 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:15,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:15,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 198 states and 379 transitions. [2019-11-26 02:30:15,336 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 379 transitions. [2019-11-26 02:30:15,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:30:15,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:15,363 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:15,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:15,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 198 states and 379 transitions. [2019-11-26 02:30:15,376 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 379 transitions. [2019-11-26 02:30:15,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:30:15,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:15,404 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:15,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:15,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 198 states and 379 transitions. [2019-11-26 02:30:15,420 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 379 transitions. [2019-11-26 02:30:15,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:30:15,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:15,454 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:15,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:15,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 198 states and 379 transitions. [2019-11-26 02:30:15,468 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 379 transitions. [2019-11-26 02:30:15,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:30:15,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:15,504 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:15,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:15,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 198 states and 379 transitions. [2019-11-26 02:30:15,520 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 379 transitions. [2019-11-26 02:30:15,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:30:15,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:15,550 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:15,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:15,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 198 states and 379 transitions. [2019-11-26 02:30:15,563 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 379 transitions. [2019-11-26 02:30:15,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:30:15,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:15,591 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:15,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:15,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 198 states and 379 transitions. [2019-11-26 02:30:15,603 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 379 transitions. [2019-11-26 02:30:15,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:30:15,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:15,632 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:15,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:15,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 198 states and 379 transitions. [2019-11-26 02:30:15,644 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 379 transitions. [2019-11-26 02:30:15,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:30:15,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:15,672 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:15,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:15,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 198 states and 379 transitions. [2019-11-26 02:30:15,688 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 379 transitions. [2019-11-26 02:30:15,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:30:15,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:15,715 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:15,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:15,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 198 states and 379 transitions. [2019-11-26 02:30:15,728 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 379 transitions. [2019-11-26 02:30:15,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-26 02:30:15,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:16,775 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:22,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:22,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 214 states and 421 transitions. [2019-11-26 02:30:22,636 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 421 transitions. [2019-11-26 02:30:22,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-26 02:30:22,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:30:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:30:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:30:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:30:23,060 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 48 iterations. [2019-11-26 02:30:23,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:30:23 ImpRootNode [2019-11-26 02:30:23,254 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:30:23,255 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:30:23,255 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:30:23,260 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:30:23,261 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:29:50" (3/4) ... [2019-11-26 02:30:23,263 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:30:23,403 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e50463a5-8b18-41d1-a727-ae0a4d43dd24/bin/ukojak/witness.graphml [2019-11-26 02:30:23,403 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:30:23,406 INFO L168 Benchmark]: Toolchain (without parser) took 34472.12 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 502.3 MB). Free memory was 948.7 MB in the beginning and 896.2 MB in the end (delta: 52.5 MB). Peak memory consumption was 554.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:23,406 INFO L168 Benchmark]: CDTParser took 0.19 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. [2019-11-26 02:30:23,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -177.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:23,407 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.90 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:23,407 INFO L168 Benchmark]: Boogie Preprocessor took 69.04 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:23,407 INFO L168 Benchmark]: RCFGBuilder took 1111.49 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. [2019-11-26 02:30:23,408 INFO L168 Benchmark]: CodeCheck took 32525.54 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 364.9 MB). Free memory was 1.0 GB in the beginning and 913.3 MB in the end (delta: 125.1 MB). Peak memory consumption was 490.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:23,408 INFO L168 Benchmark]: Witness Printer took 148.93 ms. Allocated memory is still 1.5 GB. Free memory was 913.3 MB in the beginning and 896.2 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:23,411 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: 32.3s, OverallIterations: 48, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1651761140 SDtfs, 642258988 SDslu, 1265776712 SDs, 0 SdLazy, -971902682 SolverSat, -1937301442 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 43.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19392 GetRequests, 18913 SyntacticMatches, 68 SemanticMatches, 411 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82041 ImplicationChecksByTransitivity, 27.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 1809 NumberOfCodeBlocks, 1809 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 1711 ConstructedInterpolants, 0 QuantifiedInterpolants, 165058 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 47 InterpolantComputations, 31 PerfectInterpolantSequences, 414/522 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: 736]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L416] int pumpRunning = 0; [L417] int systemActive = 1; [L655] int methAndRunningLastTime ; [L741] int cleanupTimeShifts = 4; [L839] int waterLevel = 1; [L840] int methaneLevelCritical = 0; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L815] int retValue_acc ; [L816] int tmp ; [L723] int retValue_acc ; [L726] retValue_acc = 1 [L727] return (retValue_acc); [L822] tmp = valid_product() [L824] COND TRUE \read(tmp) [L660] methAndRunningLastTime = 0 [L588] int splverifierCounter ; [L589] int tmp ; [L590] int tmp___0 ; [L591] int tmp___1 ; [L592] int tmp___2 ; [L595] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L597] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L599] COND TRUE splverifierCounter < 4 [L605] tmp = __VERIFIER_nondet_int() [L607] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L609] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L857] COND TRUE waterLevel < 2 [L858] waterLevel = waterLevel + 1 [L609] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L615] tmp___0 = __VERIFIER_nondet_int() [L617] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L619] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L869] COND FALSE !(\read(methaneLevelCritical)) [L872] methaneLevelCritical = 1 [L619] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L625] tmp___2 = __VERIFIER_nondet_int() [L627] COND FALSE !(\read(tmp___2)) [L631] tmp___1 = __VERIFIER_nondet_int() [L633] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L642] 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] [L424] 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] [L431] COND TRUE \read(systemActive) [L453] 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] [L456] COND TRUE ! pumpRunning [L550] int retValue_acc ; [L551] int tmp ; [L552] int tmp___0 ; [L919] int retValue_acc ; [L922] COND FALSE !(waterLevel < 2) [L926] retValue_acc = 0 [L927] return (retValue_acc); [L556] tmp = isHighWaterSensorDry() [L558] COND FALSE !(\read(tmp)) [L561] tmp___0 = 1 [L563] retValue_acc = tmp___0 [L564] return (retValue_acc); [L458] tmp = isHighWaterLevel() [L460] COND TRUE \read(tmp) [L481] 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] [L665] int tmp ; [L666] 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] [L670] 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] [L878] int retValue_acc ; [L881] retValue_acc = methaneLevelCritical [L882] return (retValue_acc); [L670] 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] [L670] tmp = isMethaneLevelCritical() [L672] COND TRUE \read(tmp) [L505] int retValue_acc ; [L508] retValue_acc = pumpRunning [L509] return (retValue_acc); [L674] tmp___0 = isPumpRunning() [L676] 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] [L677] COND FALSE !(\read(methAndRunningLastTime)) [L682] 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] [L642] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L597] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L599] COND TRUE splverifierCounter < 4 [L605] tmp = __VERIFIER_nondet_int() [L607] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L615] tmp___0 = __VERIFIER_nondet_int() [L617] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L625] tmp___2 = __VERIFIER_nondet_int() [L627] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L642] 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] [L424] COND TRUE \read(pumpRunning) [L845] COND TRUE waterLevel > 0 [L846] 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] [L431] COND TRUE \read(systemActive) [L453] 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] [L456] 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] [L471] 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] [L665] int tmp ; [L666] 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] [L670] 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] [L878] int retValue_acc ; [L881] retValue_acc = methaneLevelCritical [L882] return (retValue_acc); [L670] 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] [L670] tmp = isMethaneLevelCritical() [L672] COND TRUE \read(tmp) [L505] int retValue_acc ; [L508] retValue_acc = pumpRunning [L509] return (retValue_acc); [L674] tmp___0 = isPumpRunning() [L676] 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] [L677] 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] [L736] __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 0.19 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 523.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -177.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.90 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.04 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1111.49 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 32525.54 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 364.9 MB). Free memory was 1.0 GB in the beginning and 913.3 MB in the end (delta: 125.1 MB). Peak memory consumption was 490.0 MB. Max. memory is 11.5 GB. * Witness Printer took 148.93 ms. Allocated memory is still 1.5 GB. Free memory was 913.3 MB in the beginning and 896.2 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...