./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3af87dcb-e150-449e-9cdd-055bc9f9e56a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3af87dcb-e150-449e-9cdd-055bc9f9e56a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3af87dcb-e150-449e-9cdd-055bc9f9e56a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3af87dcb-e150-449e-9cdd-055bc9f9e56a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3af87dcb-e150-449e-9cdd-055bc9f9e56a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3af87dcb-e150-449e-9cdd-055bc9f9e56a/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce17648ffa5822f201dca35a60378555aafbd885 .............................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:16:12,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:16:12,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:16:12,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:16:12,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:16:12,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:16:12,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:16:12,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:16:12,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:16:12,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:16:12,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:16:12,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:16:12,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:16:12,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:16:12,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:16:12,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:16:12,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:16:12,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:16:12,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:16:12,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:16:12,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:16:12,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:16:12,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:16:12,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:16:12,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:16:12,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:16:12,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:16:12,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:16:12,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:16:12,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:16:12,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:16:12,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:16:12,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:16:12,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:16:12,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:16:12,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:16:12,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:16:12,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:16:12,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:16:12,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:16:12,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:16:12,248 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3af87dcb-e150-449e-9cdd-055bc9f9e56a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 14:16:12,258 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:16:12,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:16:12,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:16:12,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:16:12,260 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:16:12,260 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 14:16:12,260 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 14:16:12,260 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 14:16:12,260 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 14:16:12,260 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 14:16:12,260 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 14:16:12,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:16:12,260 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:16:12,260 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 14:16:12,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:16:12,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:16:12,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:16:12,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 14:16:12,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 14:16:12,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 14:16:12,261 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:16:12,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:16:12,261 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 14:16:12,262 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:16:12,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 14:16:12,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:16:12,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:16:12,262 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 14:16:12,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:16:12,262 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:16:12,262 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:16:12,263 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 14:16:12,263 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 14:16:12,263 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_3af87dcb-e150-449e-9cdd-055bc9f9e56a/bin/uautomizer 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(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> ce17648ffa5822f201dca35a60378555aafbd885 [2019-12-07 14:16:12,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:16:12,370 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:16:12,373 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:16:12,374 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:16:12,375 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:16:12,375 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3af87dcb-e150-449e-9cdd-055bc9f9e56a/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c [2019-12-07 14:16:12,422 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3af87dcb-e150-449e-9cdd-055bc9f9e56a/bin/uautomizer/data/1b3ef265e/0bafff9b02024cdcb602d1246b7981c4/FLAG41ec081bc [2019-12-07 14:16:12,874 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:16:12,875 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3af87dcb-e150-449e-9cdd-055bc9f9e56a/sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c [2019-12-07 14:16:12,884 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3af87dcb-e150-449e-9cdd-055bc9f9e56a/bin/uautomizer/data/1b3ef265e/0bafff9b02024cdcb602d1246b7981c4/FLAG41ec081bc [2019-12-07 14:16:12,893 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3af87dcb-e150-449e-9cdd-055bc9f9e56a/bin/uautomizer/data/1b3ef265e/0bafff9b02024cdcb602d1246b7981c4 [2019-12-07 14:16:12,895 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:16:12,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:16:12,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:16:12,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:16:12,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:16:12,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:16:12" (1/1) ... [2019-12-07 14:16:12,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:12, skipping insertion in model container [2019-12-07 14:16:12,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:16:12" (1/1) ... [2019-12-07 14:16:12,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:16:12,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:16:13,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:16:13,149 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:16:13,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:16:13,219 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:16:13,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:13 WrapperNode [2019-12-07 14:16:13,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:16:13,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:16:13,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:16:13,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:16:13,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:13" (1/1) ... [2019-12-07 14:16:13,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:13" (1/1) ... [2019-12-07 14:16:13,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:16:13,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:16:13,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:16:13,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:16:13,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:13" (1/1) ... [2019-12-07 14:16:13,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:13" (1/1) ... [2019-12-07 14:16:13,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:13" (1/1) ... [2019-12-07 14:16:13,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:13" (1/1) ... [2019-12-07 14:16:13,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:13" (1/1) ... [2019-12-07 14:16:13,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:13" (1/1) ... [2019-12-07 14:16:13,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:13" (1/1) ... [2019-12-07 14:16:13,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:16:13,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:16:13,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:16:13,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:16:13,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af87dcb-e150-449e-9cdd-055bc9f9e56a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:16:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 14:16:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:16:13,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:16:13,912 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:16:13,912 INFO L287 CfgBuilder]: Removed 350 assume(true) statements. [2019-12-07 14:16:13,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:16:13 BoogieIcfgContainer [2019-12-07 14:16:13,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:16:13,914 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 14:16:13,914 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 14:16:13,917 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 14:16:13,918 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:16:13,918 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 02:16:12" (1/3) ... [2019-12-07 14:16:13,919 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@254318f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 02:16:13, skipping insertion in model container [2019-12-07 14:16:13,919 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:16:13,919 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:13" (2/3) ... [2019-12-07 14:16:13,920 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@254318f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 02:16:13, skipping insertion in model container [2019-12-07 14:16:13,920 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:16:13,920 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:16:13" (3/3) ... [2019-12-07 14:16:13,921 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product62.cil.c [2019-12-07 14:16:13,955 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 14:16:13,955 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 14:16:13,955 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 14:16:13,955 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:16:13,955 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:16:13,955 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 14:16:13,955 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:16:13,955 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 14:16:13,970 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states. [2019-12-07 14:16:13,994 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 145 [2019-12-07 14:16:13,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:16:13,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:16:14,000 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 14:16:14,000 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:16:14,000 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 14:16:14,000 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states. [2019-12-07 14:16:14,007 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 145 [2019-12-07 14:16:14,007 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:16:14,007 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:16:14,008 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 14:16:14,008 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:16:14,011 INFO L794 eck$LassoCheckResult]: Stem: 77#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(13);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(77, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(101, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(116, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(104, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string71.base, #t~string71.offset, 1);call write~init~int(82, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(73, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(84, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 4 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(75, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 3#L-1true havoc main_#res;havoc main_#t~ret30, main_~retValue_acc~6, main_~tmp~8;havoc main_~retValue_acc~6;havoc main_~tmp~8; 111#L431true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 5#L439true main_#t~ret30 := valid_product_#res;main_~tmp~8 := main_#t~ret30;havoc main_#t~ret30; 137#L526true assume 0 != main_~tmp~8; 211#L503true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 152#L388-1true [2019-12-07 14:16:14,011 INFO L796 eck$LassoCheckResult]: Loop: 152#L388-1true assume !false; 4#L65true assume test_~splverifierCounter~0 < 4; 83#L66true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 188#L74true assume !(0 != test_~tmp~0); 164#L74-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 110#L84true assume !(0 != test_~tmp___0~0); 109#L84-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 125#L94true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 147#L102-2true assume !(0 != ~pumpRunning~0); 57#L138true assume !(0 != ~systemActive~0); 210#L145true havoc __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_#t~ret28, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 118#L981true __utac_acc__Specification4_spec__1_#t~ret27 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret27;havoc __utac_acc__Specification4_spec__1_#t~ret27; 148#L388true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 152#L388-1true [2019-12-07 14:16:14,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:14,015 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-12-07 14:16:14,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:16:14,021 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971652312] [2019-12-07 14:16:14,022 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:16:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:14,216 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:16:14,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:14,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1674172477, now seen corresponding path program 1 times [2019-12-07 14:16:14,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:16:14,217 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137926378] [2019-12-07 14:16:14,217 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:16:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:16:14,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:16:14,250 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137926378] [2019-12-07 14:16:14,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:16:14,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:16:14,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366194423] [2019-12-07 14:16:14,255 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 14:16:14,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:16:14,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:16:14,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:16:14,266 INFO L87 Difference]: Start difference. First operand 222 states. Second operand 3 states. [2019-12-07 14:16:14,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:16:14,303 INFO L93 Difference]: Finished difference Result 222 states and 323 transitions. [2019-12-07 14:16:14,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:16:14,305 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 222 states and 323 transitions. [2019-12-07 14:16:14,309 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2019-12-07 14:16:14,314 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 222 states to 215 states and 315 transitions. [2019-12-07 14:16:14,315 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 215 [2019-12-07 14:16:14,316 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 215 [2019-12-07 14:16:14,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 215 states and 315 transitions. [2019-12-07 14:16:14,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 14:16:14,318 INFO L688 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2019-12-07 14:16:14,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states and 315 transitions. [2019-12-07 14:16:14,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2019-12-07 14:16:14,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2019-12-07 14:16:14,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 315 transitions. [2019-12-07 14:16:14,347 INFO L711 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2019-12-07 14:16:14,347 INFO L591 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2019-12-07 14:16:14,347 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 14:16:14,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 215 states and 315 transitions. [2019-12-07 14:16:14,349 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2019-12-07 14:16:14,349 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:16:14,349 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:16:14,350 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 14:16:14,350 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:16:14,350 INFO L794 eck$LassoCheckResult]: Stem: 574#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(13);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(77, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(101, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(116, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(104, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string71.base, #t~string71.offset, 1);call write~init~int(82, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(73, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(84, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 4 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(75, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 453#L-1 havoc main_#res;havoc main_#t~ret30, main_~retValue_acc~6, main_~tmp~8;havoc main_~retValue_acc~6;havoc main_~tmp~8; 454#L431 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 458#L439 main_#t~ret30 := valid_product_#res;main_~tmp~8 := main_#t~ret30;havoc main_#t~ret30; 459#L526 assume 0 != main_~tmp~8; 624#L503 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 606#L388-1 [2019-12-07 14:16:14,350 INFO L796 eck$LassoCheckResult]: Loop: 606#L388-1 assume !false; 455#L65 assume test_~splverifierCounter~0 < 4; 456#L66 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 579#L74 assume !(0 != test_~tmp~0); 597#L74-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 600#L84 assume !(0 != test_~tmp___0~0); 557#L84-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 599#L94 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 617#L102-2 assume !(0 != ~pumpRunning~0); 499#L138 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 553#L222 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret5, processEnvironment__wrappee__methaneQuery_~tmp~2;havoc processEnvironment__wrappee__methaneQuery_~tmp~2; 536#L196-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 537#L170-3 assume !(0 == ~pumpRunning~0); 521#L145 havoc __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_#t~ret28, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 608#L981 __utac_acc__Specification4_spec__1_#t~ret27 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret27;havoc __utac_acc__Specification4_spec__1_#t~ret27; 609#L388 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 606#L388-1 [2019-12-07 14:16:14,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:14,351 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-12-07 14:16:14,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:16:14,351 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496803366] [2019-12-07 14:16:14,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:16:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:14,417 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:16:14,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:14,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1243674303, now seen corresponding path program 1 times [2019-12-07 14:16:14,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:16:14,417 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566097433] [2019-12-07 14:16:14,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:16:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:16:14,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:16:14,429 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566097433] [2019-12-07 14:16:14,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:16:14,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:16:14,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856363330] [2019-12-07 14:16:14,430 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 14:16:14,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:16:14,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:16:14,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:16:14,431 INFO L87 Difference]: Start difference. First operand 215 states and 315 transitions. cyclomatic complexity: 102 Second operand 3 states. [2019-12-07 14:16:14,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:16:14,523 INFO L93 Difference]: Finished difference Result 211 states and 291 transitions. [2019-12-07 14:16:14,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:16:14,524 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 291 transitions. [2019-12-07 14:16:14,527 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2019-12-07 14:16:14,530 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 211 states and 291 transitions. [2019-12-07 14:16:14,530 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 211 [2019-12-07 14:16:14,531 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2019-12-07 14:16:14,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 211 states and 291 transitions. [2019-12-07 14:16:14,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 14:16:14,532 INFO L688 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2019-12-07 14:16:14,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states and 291 transitions. [2019-12-07 14:16:14,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2019-12-07 14:16:14,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2019-12-07 14:16:14,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 291 transitions. [2019-12-07 14:16:14,544 INFO L711 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2019-12-07 14:16:14,544 INFO L591 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2019-12-07 14:16:14,544 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 14:16:14,544 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 211 states and 291 transitions. [2019-12-07 14:16:14,546 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2019-12-07 14:16:14,546 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:16:14,546 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:16:14,547 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 14:16:14,547 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:16:14,547 INFO L794 eck$LassoCheckResult]: Stem: 1030#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(13);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(77, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(101, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(116, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(104, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string71.base, #t~string71.offset, 1);call write~init~int(82, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(73, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(84, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 4 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(75, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 889#L-1 havoc main_#res;havoc main_#t~ret30, main_~retValue_acc~6, main_~tmp~8;havoc main_~retValue_acc~6;havoc main_~tmp~8; 890#L431 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 894#L439 main_#t~ret30 := valid_product_#res;main_~tmp~8 := main_#t~ret30;havoc main_#t~ret30; 897#L526 assume 0 != main_~tmp~8; 994#L503 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 905#L388-1 [2019-12-07 14:16:14,548 INFO L796 eck$LassoCheckResult]: Loop: 905#L388-1 assume !false; 891#L65 assume test_~splverifierCounter~0 < 4; 892#L66 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 1095#L74 assume !(0 != test_~tmp~0); 1093#L74-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 1092#L84 assume !(0 != test_~tmp___0~0); 1090#L84-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 956#L94 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 957#L102-2 assume !(0 != ~pumpRunning~0); 1000#L138 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 1001#L222 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret5, processEnvironment__wrappee__methaneQuery_~tmp~2;havoc processEnvironment__wrappee__methaneQuery_~tmp~2; 985#L196-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 986#L170-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret25, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 947#L989-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 948#L994-3 isHighWaterLevel_#t~ret25 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret25;havoc isHighWaterLevel_#t~ret25; 999#L341-9 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~1 := 0; 1019#L341-11 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 995#L347-3 processEnvironment__wrappee__highWaterSensor_#t~ret4 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret4;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4; 971#L174-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); 972#L145 havoc __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_#t~ret28, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 926#L981 __utac_acc__Specification4_spec__1_#t~ret27 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret27;havoc __utac_acc__Specification4_spec__1_#t~ret27; 927#L388 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 905#L388-1 [2019-12-07 14:16:14,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:14,548 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-12-07 14:16:14,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:16:14,549 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670785340] [2019-12-07 14:16:14,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:16:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:14,617 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:16:14,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:14,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1113090803, now seen corresponding path program 1 times [2019-12-07 14:16:14,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:16:14,618 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388749286] [2019-12-07 14:16:14,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:16:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:14,631 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:16:14,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:14,632 INFO L82 PathProgramCache]: Analyzing trace with hash 140214323, now seen corresponding path program 1 times [2019-12-07 14:16:14,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:16:14,632 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447308859] [2019-12-07 14:16:14,633 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:16:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:14,701 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:16:39,655 WARN L192 SmtUtils]: Spent 24.83 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-12-07 14:16:52,348 WARN L192 SmtUtils]: Spent 12.69 s on a formula simplification that was a NOOP. DAG size: 400 [2019-12-07 14:16:52,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 02:16:52 BoogieIcfgContainer [2019-12-07 14:16:52,403 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 14:16:52,403 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:16:52,403 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:16:52,403 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:16:52,404 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:16:13" (3/4) ... [2019-12-07 14:16:52,406 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-12-07 14:16:52,442 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3af87dcb-e150-449e-9cdd-055bc9f9e56a/bin/uautomizer/witness.graphml [2019-12-07 14:16:52,442 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:16:52,443 INFO L168 Benchmark]: Toolchain (without parser) took 39547.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -113.9 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:52,444 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:16:52,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -138.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:52,444 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:52,444 INFO L168 Benchmark]: Boogie Preprocessor took 43.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:52,445 INFO L168 Benchmark]: RCFGBuilder took 597.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 977.4 MB in the end (delta: 89.6 MB). Peak memory consumption was 89.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:52,445 INFO L168 Benchmark]: BuchiAutomizer took 38488.56 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 55.1 MB). Free memory was 977.4 MB in the beginning and 1.1 GB in the end (delta: -90.4 MB). Peak memory consumption was 206.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:52,446 INFO L168 Benchmark]: Witness Printer took 39.20 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: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:52,447 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -138.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 597.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 977.4 MB in the end (delta: 89.6 MB). Peak memory consumption was 89.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 38488.56 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 55.1 MB). Free memory was 977.4 MB in the beginning and 1.1 GB in the end (delta: -90.4 MB). Peak memory consumption was 206.0 MB. Max. memory is 11.5 GB. * Witness Printer took 39.20 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: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 211 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 38.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 38.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 215 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 542 SDtfs, 489 SDslu, 75 SDs, 0 SdLazy, 45 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 64]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1036} State at position 1 is {retValue_acc=1, NULL=0, NULL=0, NULL=1043, NULL=0, NULL=1036, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69489aab=0, NULL=1044, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33943691=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78c01854=60, NULL=0, NULL=1049, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ecbdf4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2458a681=0, methaneLevelCritical=0, tmp___0=0, NULL=0, retValue_acc=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41d27441=0, tmp___1=0, NULL=1037, cleanupTimeShifts=4, tmp=0, tmp=0, NULL=1045, NULL=1039, NULL=1055, tmp___0=0, NULL=0, systemActive=1, waterLevel=1, NULL=1050, \result=1, NULL=0, NULL=1053, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77d50ec2=0, NULL=0, NULL=0, NULL=1059, \result=0, NULL=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=1061, NULL=0, NULL=0, \result=1, NULL=1042, head=0, pumpRunning=0, NULL=1046, \result=0, NULL=1057, NULL=0, tmp=1, NULL=0, NULL=0, retValue_acc=1, \result=1, NULL=1051, NULL=1052, NULL=1047, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@129df324=0, NULL=1048, NULL=0, tmp=1, retValue_acc=1, tmp___2=60, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23c3a715=0, splverifierCounter=0, NULL=0, NULL=1041, NULL=1060, tmp=0, head=0, NULL=1038, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7417909=0, NULL=1040, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1bbc4fe3=0, NULL=0, NULL=1058, NULL=1054, NULL=1056, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L444] int cleanupTimeShifts = 4; [L709] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L906] int waterLevel = 1; [L907] int methaneLevelCritical = 0; [L517] int retValue_acc ; [L518] int tmp ; [L435] int retValue_acc ; [L438] retValue_acc = 1 [L439] return (retValue_acc); [L524] tmp = valid_product() [L526] COND TRUE \read(tmp) [L55] int splverifierCounter ; [L56] int tmp ; [L57] int tmp___0 ; [L58] int tmp___1 ; [L59] int tmp___2 ; [L62] splverifierCounter = 0 Loop: [L64] COND TRUE 1 [L66] COND TRUE splverifierCounter < 4 [L72] tmp = __VERIFIER_nondet_int() [L74] COND FALSE !(\read(tmp)) [L82] tmp___0 = __VERIFIER_nondet_int() [L84] COND FALSE !(\read(tmp___0)) [L92] tmp___2 = __VERIFIER_nondet_int() [L94] COND TRUE \read(tmp___2) [L374] systemActive = 1 [L138] COND FALSE !(\read(pumpRunning)) [L145] COND TRUE \read(systemActive) [L219] int tmp ; [L222] COND FALSE !(\read(pumpRunning)) [L193] int tmp ; [L196] COND FALSE !(\read(pumpRunning)) [L167] int tmp ; [L170] COND TRUE ! pumpRunning [L333] int retValue_acc ; [L334] int tmp ; [L335] int tmp___0 ; [L986] int retValue_acc ; [L989] COND TRUE waterLevel < 2 [L990] retValue_acc = 1 [L991] return (retValue_acc); [L339] tmp = isHighWaterSensorDry() [L341] COND TRUE \read(tmp) [L342] tmp___0 = 0 [L346] retValue_acc = tmp___0 [L347] return (retValue_acc); [L172] tmp = isHighWaterLevel() [L174] COND FALSE !(\read(tmp)) [L381] int tmp ; [L382] int tmp___0 ; [L977] int retValue_acc ; [L980] retValue_acc = waterLevel [L981] return (retValue_acc); [L386] tmp = getWaterLevel() [L388] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...