./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product03.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_f75e9e7e-b32c-4561-8828-a0113309c722/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f75e9e7e-b32c-4561-8828-a0113309c722/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f75e9e7e-b32c-4561-8828-a0113309c722/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f75e9e7e-b32c-4561-8828-a0113309c722/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f75e9e7e-b32c-4561-8828-a0113309c722/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f75e9e7e-b32c-4561-8828-a0113309c722/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 a1a21aefc4c753e09e9929a8ce94ea29dee7cc72 ................................................................................................................................................................................................................................................................................................................................................................. 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 10:25:24,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:25:24,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:25:24,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:25:24,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:25:24,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:25:24,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:25:24,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:25:24,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:25:24,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:25:24,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:25:24,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:25:24,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:25:24,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:25:24,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:25:24,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:25:24,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:25:24,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:25:24,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:25:24,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:25:24,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:25:24,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:25:24,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:25:24,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:25:24,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:25:24,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:25:24,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:25:24,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:25:24,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:25:24,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:25:24,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:25:24,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:25:24,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:25:24,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:25:24,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:25:24,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:25:24,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:25:24,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:25:24,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:25:24,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:25:24,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:25:24,292 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f75e9e7e-b32c-4561-8828-a0113309c722/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 10:25:24,304 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:25:24,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:25:24,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:25:24,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:25:24,305 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:25:24,305 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 10:25:24,305 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 10:25:24,305 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 10:25:24,306 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 10:25:24,306 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 10:25:24,306 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 10:25:24,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:25:24,306 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:25:24,306 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 10:25:24,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:25:24,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:25:24,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:25:24,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 10:25:24,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 10:25:24,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 10:25:24,307 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:25:24,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:25:24,307 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 10:25:24,308 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:25:24,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 10:25:24,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:25:24,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:25:24,308 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 10:25:24,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:25:24,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:25:24,308 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:25:24,308 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 10:25:24,309 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 10:25:24,309 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_f75e9e7e-b32c-4561-8828-a0113309c722/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 -> a1a21aefc4c753e09e9929a8ce94ea29dee7cc72 [2019-12-07 10:25:24,414 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:25:24,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:25:24,425 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:25:24,426 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:25:24,426 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:25:24,427 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f75e9e7e-b32c-4561-8828-a0113309c722/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2019-12-07 10:25:24,469 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f75e9e7e-b32c-4561-8828-a0113309c722/bin/uautomizer/data/932c1f7b9/dd57db1ba02a4e02811b5e79da2a0f94/FLAG1787c2326 [2019-12-07 10:25:24,857 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:25:24,857 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f75e9e7e-b32c-4561-8828-a0113309c722/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2019-12-07 10:25:24,868 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f75e9e7e-b32c-4561-8828-a0113309c722/bin/uautomizer/data/932c1f7b9/dd57db1ba02a4e02811b5e79da2a0f94/FLAG1787c2326 [2019-12-07 10:25:24,876 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f75e9e7e-b32c-4561-8828-a0113309c722/bin/uautomizer/data/932c1f7b9/dd57db1ba02a4e02811b5e79da2a0f94 [2019-12-07 10:25:24,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:25:24,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:25:24,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:25:24,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:25:24,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:25:24,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:25:24" (1/1) ... [2019-12-07 10:25:24,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:25:24, skipping insertion in model container [2019-12-07 10:25:24,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:25:24" (1/1) ... [2019-12-07 10:25:24,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:25:24,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:25:25,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:25:25,147 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:25:25,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:25:25,212 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:25:25,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:25:25 WrapperNode [2019-12-07 10:25:25,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:25:25,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:25:25,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:25:25,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:25:25,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:25:25" (1/1) ... [2019-12-07 10:25:25,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:25:25" (1/1) ... [2019-12-07 10:25:25,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:25:25,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:25:25,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:25:25,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:25:25,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:25:25" (1/1) ... [2019-12-07 10:25:25,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:25:25" (1/1) ... [2019-12-07 10:25:25,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:25:25" (1/1) ... [2019-12-07 10:25:25,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:25:25" (1/1) ... [2019-12-07 10:25:25,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:25:25" (1/1) ... [2019-12-07 10:25:25,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:25:25" (1/1) ... [2019-12-07 10:25:25,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:25:25" (1/1) ... [2019-12-07 10:25:25,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:25:25,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:25:25,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:25:25,276 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:25:25,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:25:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f75e9e7e-b32c-4561-8828-a0113309c722/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 10:25:25,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:25:25,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 10:25:25,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:25:25,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:25:25,658 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:25:25,658 INFO L287 CfgBuilder]: Removed 72 assume(true) statements. [2019-12-07 10:25:25,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:25:25 BoogieIcfgContainer [2019-12-07 10:25:25,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:25:25,659 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 10:25:25,659 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 10:25:25,662 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 10:25:25,662 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:25:25,662 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 10:25:24" (1/3) ... [2019-12-07 10:25:25,663 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d4b3cf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:25:25, skipping insertion in model container [2019-12-07 10:25:25,663 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:25:25,663 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:25:25" (2/3) ... [2019-12-07 10:25:25,663 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d4b3cf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:25:25, skipping insertion in model container [2019-12-07 10:25:25,663 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:25:25,663 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:25:25" (3/3) ... [2019-12-07 10:25:25,664 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product03.cil.c [2019-12-07 10:25:25,692 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 10:25:25,692 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 10:25:25,692 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 10:25:25,693 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:25:25,693 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:25:25,693 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 10:25:25,693 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:25:25,693 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 10:25:25,703 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states. [2019-12-07 10:25:25,719 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2019-12-07 10:25:25,719 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:25:25,720 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:25:25,725 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:25:25,725 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:25:25,725 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 10:25:25,725 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states. [2019-12-07 10:25:25,728 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2019-12-07 10:25:25,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:25:25,728 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:25:25,729 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:25:25,729 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:25:25,732 INFO L794 eck$LassoCheckResult]: Stem: 22#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string4.base, #t~string4.offset, 1);call write~init~int(110, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 2 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 3 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string8.base, #t~string8.offset, 1);call write~init~int(80, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(117, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(109, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(112, #t~string8.base, 4 + #t~string8.offset, 1);call write~init~int(58, #t~string8.base, 5 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 6 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string14.base, #t~string14.offset, 1);call write~init~int(32, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(77, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(101, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(116, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(104, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string26.base, #t~string26.offset, 1);call write~init~int(82, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(73, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(84, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 4 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(75, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0; 10#L-1true havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~6, main_~tmp~1;havoc main_~retValue_acc~6;havoc main_~tmp~1; 25#L348true 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; 29#L356true main_#t~ret32 := valid_product_#res;main_~tmp~1 := main_#t~ret32;havoc main_#t~ret32; 54#L445true assume 0 != main_~tmp~1; 3#L420true ~methAndRunningLastTime~0 := 0; 47#L832true havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, 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; 49#L843-1true [2019-12-07 10:25:25,733 INFO L796 eck$LassoCheckResult]: Loop: 49#L843-1true assume !false; 4#L186true assume test_~splverifierCounter~0 < 4; 17#L187true test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 39#L195true assume !(0 != test_~tmp~0); 37#L195-1true test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 27#L205true assume !(0 != test_~tmp___0~0); 24#L205-1true test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 14#L215true assume 0 != test_~tmp___2~0; 31#L221-1true assume !(0 != ~pumpRunning~0); 61#L57true assume !(0 != ~systemActive~0); 53#L64true havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 21#L286true __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; 45#L843true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 49#L843-1true [2019-12-07 10:25:25,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:25:25,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-12-07 10:25:25,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:25:25,743 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9256431] [2019-12-07 10:25:25,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:25:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:25:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:25:25,936 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:25:25,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:25:25,937 INFO L82 PathProgramCache]: Analyzing trace with hash 10387603, now seen corresponding path program 1 times [2019-12-07 10:25:25,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:25:25,937 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954269898] [2019-12-07 10:25:25,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:25:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:25:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:25:25,947 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:25:25,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:25:25,948 INFO L82 PathProgramCache]: Analyzing trace with hash 843684109, now seen corresponding path program 1 times [2019-12-07 10:25:25,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:25:25,949 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312391337] [2019-12-07 10:25:25,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:25:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:25:26,029 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 10:25:26,029 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312391337] [2019-12-07 10:25:26,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:25:26,030 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 10:25:26,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126372346] [2019-12-07 10:25:26,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:25:26,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 10:25:26,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 10:25:26,100 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 6 states. [2019-12-07 10:25:26,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:25:26,201 INFO L93 Difference]: Finished difference Result 166 states and 229 transitions. [2019-12-07 10:25:26,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 10:25:26,202 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 166 states and 229 transitions. [2019-12-07 10:25:26,207 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 103 [2019-12-07 10:25:26,212 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 166 states to 145 states and 208 transitions. [2019-12-07 10:25:26,213 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 145 [2019-12-07 10:25:26,214 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 145 [2019-12-07 10:25:26,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 208 transitions. [2019-12-07 10:25:26,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 10:25:26,215 INFO L688 BuchiCegarLoop]: Abstraction has 145 states and 208 transitions. [2019-12-07 10:25:26,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 208 transitions. [2019-12-07 10:25:26,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 97. [2019-12-07 10:25:26,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-12-07 10:25:26,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2019-12-07 10:25:26,239 INFO L711 BuchiCegarLoop]: Abstraction has 97 states and 139 transitions. [2019-12-07 10:25:26,239 INFO L591 BuchiCegarLoop]: Abstraction has 97 states and 139 transitions. [2019-12-07 10:25:26,240 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 10:25:26,240 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 139 transitions. [2019-12-07 10:25:26,241 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 68 [2019-12-07 10:25:26,241 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:25:26,241 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:25:26,242 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:25:26,242 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:25:26,242 INFO L794 eck$LassoCheckResult]: Stem: 275#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string4.base, #t~string4.offset, 1);call write~init~int(110, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 2 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 3 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string8.base, #t~string8.offset, 1);call write~init~int(80, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(117, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(109, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(112, #t~string8.base, 4 + #t~string8.offset, 1);call write~init~int(58, #t~string8.base, 5 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 6 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string14.base, #t~string14.offset, 1);call write~init~int(32, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(77, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(101, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(116, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(104, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string26.base, #t~string26.offset, 1);call write~init~int(82, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(73, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(84, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 4 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(75, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0; 257#L-1 havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~6, main_~tmp~1;havoc main_~retValue_acc~6;havoc main_~tmp~1; 258#L348 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; 279#L356 main_#t~ret32 := valid_product_#res;main_~tmp~1 := main_#t~ret32;havoc main_#t~ret32; 284#L445 assume 0 != main_~tmp~1; 244#L420 ~methAndRunningLastTime~0 := 0; 245#L832 havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, 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; 266#L843-1 [2019-12-07 10:25:26,242 INFO L796 eck$LassoCheckResult]: Loop: 266#L843-1 assume !false; 246#L186 assume test_~splverifierCounter~0 < 4; 247#L187 test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 267#L195 assume !(0 != test_~tmp~0); 286#L195-1 test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 280#L205 assume !(0 != test_~tmp___0~0); 278#L205-1 test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 262#L215 assume 0 != test_~tmp___2~0; 264#L221-1 assume !(0 != ~pumpRunning~0); 283#L57 assume 0 != ~systemActive~0; 297#L64 havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 273#L286 __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; 274#L843 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 266#L843-1 [2019-12-07 10:25:26,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:25:26,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-12-07 10:25:26,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:25:26,243 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46328540] [2019-12-07 10:25:26,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:25:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:25:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:25:26,298 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:25:26,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:25:26,299 INFO L82 PathProgramCache]: Analyzing trace with hash 10298230, now seen corresponding path program 1 times [2019-12-07 10:25:26,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:25:26,299 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837199732] [2019-12-07 10:25:26,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:25:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:25:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:25:26,306 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:25:26,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:25:26,307 INFO L82 PathProgramCache]: Analyzing trace with hash 843594736, now seen corresponding path program 1 times [2019-12-07 10:25:26,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:25:26,307 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215992672] [2019-12-07 10:25:26,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:25:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:25:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:25:26,357 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:25:51,146 WARN L192 SmtUtils]: Spent 24.73 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-12-07 10:26:03,194 WARN L192 SmtUtils]: Spent 12.04 s on a formula simplification that was a NOOP. DAG size: 402 [2019-12-07 10:26:03,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 10:26:03 BoogieIcfgContainer [2019-12-07 10:26:03,249 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 10:26:03,249 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:26:03,249 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:26:03,249 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:26:03,250 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:25:25" (3/4) ... [2019-12-07 10:26:03,252 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-12-07 10:26:03,296 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f75e9e7e-b32c-4561-8828-a0113309c722/bin/uautomizer/witness.graphml [2019-12-07 10:26:03,296 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:26:03,298 INFO L168 Benchmark]: Toolchain (without parser) took 38418.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -109.7 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:26:03,298 INFO L168 Benchmark]: CDTParser took 0.14 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 10:26:03,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:26:03,299 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:26:03,299 INFO L168 Benchmark]: Boogie Preprocessor took 23.23 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. [2019-12-07 10:26:03,299 INFO L168 Benchmark]: RCFGBuilder took 383.32 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: 56.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:26:03,300 INFO L168 Benchmark]: BuchiAutomizer took 37589.64 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 38.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -12.4 MB). Peak memory consumption was 237.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:26:03,300 INFO L168 Benchmark]: Witness Printer took 47.17 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: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:26:03,302 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 333.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.23 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 383.32 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: 56.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 37589.64 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 38.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -12.4 MB). Peak memory consumption was 237.4 MB. Max. memory is 11.5 GB. * Witness Printer took 47.17 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: 9.3 MB). Peak memory consumption was 9.3 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 97 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 37.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 37.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 48 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 97 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 78 SDtfs, 290 SDslu, 392 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 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: 185]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=927} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=2731, NULL=933, NULL=0, NULL=927, retValue_acc=0, NULL=0, NULL=0, NULL=930, NULL=931, NULL=2728, methaneLevelCritical=0, NULL=940, NULL=0, NULL=934, tmp___1=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=1819, cleanupTimeShifts=4, tmp=0, NULL=935, NULL=936, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, NULL=938, retValue_acc=0, NULL=0, NULL=0, tmp___0=0, NULL=0, NULL=2729, NULL=0, NULL=0, NULL=0, NULL=1816, \result=1, head=0, pumpRunning=0, \result=0, NULL=943, tmp=1, NULL=0, NULL=0, retValue_acc=1, NULL=2730, NULL=1815, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36d2c86a=0, tmp___2=45, tmp___0=0, NULL=1817, NULL=1820, splverifierCounter=0, methAndRunningLastTime=0, \result=0, NULL=939, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23e7626b=45, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@329a4329=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36b23128=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20df229b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28818925=0, NULL=0, NULL=0, NULL=942, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b94ef0a=0, NULL=937, NULL=0, NULL=1814, NULL=1818, tmp=0, NULL=932, NULL=941} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L49] int pumpRunning = 0; [L50] int systemActive = 1; [L243] int waterLevel = 1; [L244] int methaneLevelCritical = 0; [L361] int cleanupTimeShifts = 4; [L628] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L826] int methAndRunningLastTime ; [L436] int retValue_acc ; [L437] int tmp ; [L352] int retValue_acc ; [L355] retValue_acc = 1 [L356] return (retValue_acc); [L443] tmp = valid_product() [L445] COND TRUE \read(tmp) [L831] methAndRunningLastTime = 0 [L176] int splverifierCounter ; [L177] int tmp ; [L178] int tmp___0 ; [L179] int tmp___1 ; [L180] int tmp___2 ; [L183] splverifierCounter = 0 Loop: [L185] COND TRUE 1 [L187] COND TRUE splverifierCounter < 4 [L193] tmp = __VERIFIER_nondet_int() [L195] COND FALSE !(\read(tmp)) [L203] tmp___0 = __VERIFIER_nondet_int() [L205] COND FALSE !(\read(tmp___0)) [L213] tmp___2 = __VERIFIER_nondet_int() [L215] COND TRUE \read(tmp___2) [L57] COND FALSE !(\read(pumpRunning)) [L64] COND TRUE \read(systemActive) [L836] int tmp ; [L837] int tmp___0 ; [L282] int retValue_acc ; [L285] retValue_acc = methaneLevelCritical [L286] return (retValue_acc); [L841] tmp = isMethaneLevelCritical() [L843] COND FALSE !(\read(tmp)) [L859] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...