./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8907c7e3-72e5-4253-8f5b-3d52ce7dd132/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8907c7e3-72e5-4253-8f5b-3d52ce7dd132/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8907c7e3-72e5-4253-8f5b-3d52ce7dd132/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8907c7e3-72e5-4253-8f5b-3d52ce7dd132/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8907c7e3-72e5-4253-8f5b-3d52ce7dd132/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8907c7e3-72e5-4253-8f5b-3d52ce7dd132/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 181dcb39cfcdf755d846c39f79068002a5e5061c ......................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-6b5699a [2019-11-25 08:49:04,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:49:04,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:49:04,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:49:04,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:49:04,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:49:04,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:49:04,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:49:04,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:49:04,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:49:04,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:49:04,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:49:04,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:49:04,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:49:04,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:49:04,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:49:04,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:49:04,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:49:04,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:49:04,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:49:04,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:49:04,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:49:04,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:49:04,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:49:04,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:49:04,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:49:04,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:49:04,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:49:04,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:49:04,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:49:04,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:49:04,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:49:04,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:49:04,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:49:04,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:49:04,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:49:04,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:49:04,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:49:04,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:49:04,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:49:04,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:49:04,414 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8907c7e3-72e5-4253-8f5b-3d52ce7dd132/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:49:04,433 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:49:04,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:49:04,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:49:04,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:49:04,436 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:49:04,436 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:49:04,436 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:49:04,436 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:49:04,437 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:49:04,437 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:49:04,438 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:49:04,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:49:04,438 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:49:04,438 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:49:04,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:49:04,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:49:04,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:49:04,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:49:04,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:49:04,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:49:04,440 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:49:04,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:49:04,440 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:49:04,440 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:49:04,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:49:04,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:49:04,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:49:04,441 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:49:04,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:49:04,442 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:49:04,442 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:49:04,443 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:49:04,443 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_8907c7e3-72e5-4253-8f5b-3d52ce7dd132/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 -> 181dcb39cfcdf755d846c39f79068002a5e5061c [2019-11-25 08:49:04,624 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:49:04,633 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:49:04,637 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:49:04,638 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:49:04,639 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:49:04,640 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8907c7e3-72e5-4253-8f5b-3d52ce7dd132/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c [2019-11-25 08:49:04,698 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8907c7e3-72e5-4253-8f5b-3d52ce7dd132/bin/uautomizer/data/fb58827c2/5724c8b459314417969235d2f8fa20db/FLAGe66d98177 [2019-11-25 08:49:05,100 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:49:05,100 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8907c7e3-72e5-4253-8f5b-3d52ce7dd132/sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c [2019-11-25 08:49:05,112 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8907c7e3-72e5-4253-8f5b-3d52ce7dd132/bin/uautomizer/data/fb58827c2/5724c8b459314417969235d2f8fa20db/FLAGe66d98177 [2019-11-25 08:49:05,483 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8907c7e3-72e5-4253-8f5b-3d52ce7dd132/bin/uautomizer/data/fb58827c2/5724c8b459314417969235d2f8fa20db [2019-11-25 08:49:05,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:49:05,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:49:05,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:05,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:49:05,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:49:05,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:05" (1/1) ... [2019-11-25 08:49:05,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e7e641a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:05, skipping insertion in model container [2019-11-25 08:49:05,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:05" (1/1) ... [2019-11-25 08:49:05,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:49:05,565 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:49:05,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:05,961 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:49:06,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:06,054 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:49:06,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06 WrapperNode [2019-11-25 08:49:06,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:06,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:06,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:49:06,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:49:06,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06" (1/1) ... [2019-11-25 08:49:06,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06" (1/1) ... [2019-11-25 08:49:06,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:06,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:49:06,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:49:06,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:49:06,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06" (1/1) ... [2019-11-25 08:49:06,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06" (1/1) ... [2019-11-25 08:49:06,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06" (1/1) ... [2019-11-25 08:49:06,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06" (1/1) ... [2019-11-25 08:49:06,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06" (1/1) ... [2019-11-25 08:49:06,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06" (1/1) ... [2019-11-25 08:49:06,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06" (1/1) ... [2019-11-25 08:49:06,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:49:06,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:49:06,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:49:06,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:49:06,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8907c7e3-72e5-4253-8f5b-3d52ce7dd132/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 [2019-11-25 08:49:06,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:49:06,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:49:06,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:49:06,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:49:06,869 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:49:06,869 INFO L284 CfgBuilder]: Removed 84 assume(true) statements. [2019-11-25 08:49:06,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:06 BoogieIcfgContainer [2019-11-25 08:49:06,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:49:06,871 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:49:06,871 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:49:06,875 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:49:06,875 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:49:06,875 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:49:05" (1/3) ... [2019-11-25 08:49:06,877 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24441413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:49:06, skipping insertion in model container [2019-11-25 08:49:06,877 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:49:06,877 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06" (2/3) ... [2019-11-25 08:49:06,877 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24441413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:49:06, skipping insertion in model container [2019-11-25 08:49:06,877 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:49:06,877 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:06" (3/3) ... [2019-11-25 08:49:06,880 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product03.cil.c [2019-11-25 08:49:06,922 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:49:06,923 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:49:06,923 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:49:06,923 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:49:06,923 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:49:06,923 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:49:06,923 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:49:06,923 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:49:06,938 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states. [2019-11-25 08:49:06,962 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-11-25 08:49:06,962 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:06,962 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:06,969 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:06,969 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:06,970 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:49:06,970 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states. [2019-11-25 08:49:06,974 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-11-25 08:49:06,974 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:06,974 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:06,975 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:06,975 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:06,986 INFO L794 eck$LassoCheckResult]: Stem: 22#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string41.base, #t~string41.offset, 1);call write~init~int(110, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 2 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(102, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(102, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 3 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string45.base, #t~string45.offset, 1);call write~init~int(80, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(117, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(109, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(112, #t~string45.base, 4 + #t~string45.offset, 1);call write~init~int(58, #t~string45.base, 5 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 6 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(110, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 3 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string51.base, #t~string51.offset, 1);call write~init~int(32, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string53.base, #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 1 + #t~string53.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 5#L-1true havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; 53#L543true 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; 58#L551true main_#t~ret35 := valid_product_#res;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 62#L507true assume 0 != main_~tmp~3; 55#L478true ~switchedOnBeforeTS~0 := 0; 9#L764true havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 63#L785-1true [2019-11-25 08:49:06,988 INFO L796 eck$LassoCheckResult]: Loop: 63#L785-1true assume !false; 57#L701true assume test_~splverifierCounter~0 < 4; 7#L702true test_~tmp~4 := test_#t~nondet54;havoc test_#t~nondet54; 29#L710true assume !(0 != test_~tmp~4); 32#L710-1true test_~tmp___0~0 := test_#t~nondet55;havoc test_#t~nondet55; 12#L720true assume !(0 != test_~tmp___0~0); 14#L720-1true test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 66#L730true assume 0 != test_~tmp___2~0; 42#L736-1true havoc __utac_acc__Specification5_spec__2_#t~ret58;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; 46#L634true __utac_acc__Specification5_spec__2_#t~ret58 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret58;havoc __utac_acc__Specification5_spec__2_#t~ret58; 61#L774true assume !(0 != ~pumpRunning~0); 43#L575true assume 0 != ~systemActive~0; 30#L582true havoc __utac_acc__Specification5_spec__3_#t~ret59, __utac_acc__Specification5_spec__3_#t~ret60, __utac_acc__Specification5_spec__3_~tmp~5, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~5;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 25#L882true __utac_acc__Specification5_spec__3_#t~ret59 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~5 := __utac_acc__Specification5_spec__3_#t~ret59;havoc __utac_acc__Specification5_spec__3_#t~ret59; 59#L785true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5); 63#L785-1true [2019-11-25 08:49:06,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:06,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-25 08:49:07,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:07,004 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489753492] [2019-11-25 08:49:07,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:07,350 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:07,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:07,354 INFO L82 PathProgramCache]: Analyzing trace with hash -242843208, now seen corresponding path program 1 times [2019-11-25 08:49:07,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:07,355 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360009590] [2019-11-25 08:49:07,355 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:07,379 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:07,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:07,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1691182002, now seen corresponding path program 1 times [2019-11-25 08:49:07,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:07,390 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070961338] [2019-11-25 08:49:07,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:07,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:07,547 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070961338] [2019-11-25 08:49:07,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:07,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:49:07,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580118332] [2019-11-25 08:49:07,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:07,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:49:07,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:49:07,681 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 5 states. [2019-11-25 08:49:07,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:07,973 INFO L93 Difference]: Finished difference Result 170 states and 230 transitions. [2019-11-25 08:49:07,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:49:07,976 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 170 states and 230 transitions. [2019-11-25 08:49:07,983 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 75 [2019-11-25 08:49:08,001 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 170 states to 152 states and 212 transitions. [2019-11-25 08:49:08,003 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 152 [2019-11-25 08:49:08,005 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 152 [2019-11-25 08:49:08,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 152 states and 212 transitions. [2019-11-25 08:49:08,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:49:08,008 INFO L688 BuchiCegarLoop]: Abstraction has 152 states and 212 transitions. [2019-11-25 08:49:08,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states and 212 transitions. [2019-11-25 08:49:08,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 109. [2019-11-25 08:49:08,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-25 08:49:08,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 148 transitions. [2019-11-25 08:49:08,042 INFO L711 BuchiCegarLoop]: Abstraction has 109 states and 148 transitions. [2019-11-25 08:49:08,042 INFO L591 BuchiCegarLoop]: Abstraction has 109 states and 148 transitions. [2019-11-25 08:49:08,043 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:49:08,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states and 148 transitions. [2019-11-25 08:49:08,045 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 75 [2019-11-25 08:49:08,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:08,046 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:08,046 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:08,046 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:08,047 INFO L794 eck$LassoCheckResult]: Stem: 279#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string41.base, #t~string41.offset, 1);call write~init~int(110, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 2 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(102, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(102, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 3 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string45.base, #t~string45.offset, 1);call write~init~int(80, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(117, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(109, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(112, #t~string45.base, 4 + #t~string45.offset, 1);call write~init~int(58, #t~string45.base, 5 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 6 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(110, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 3 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string51.base, #t~string51.offset, 1);call write~init~int(32, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string53.base, #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 1 + #t~string53.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 259#L-1 havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; 260#L543 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; 324#L551 main_#t~ret35 := valid_product_#res;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 328#L507 assume 0 != main_~tmp~3; 326#L478 ~switchedOnBeforeTS~0 := 0; 267#L764 havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 258#L785-1 [2019-11-25 08:49:08,047 INFO L796 eck$LassoCheckResult]: Loop: 258#L785-1 assume !false; 327#L701 assume test_~splverifierCounter~0 < 4; 263#L702 test_~tmp~4 := test_#t~nondet54;havoc test_#t~nondet54; 264#L710 assume !(0 != test_~tmp~4); 288#L710-1 test_~tmp___0~0 := test_#t~nondet55;havoc test_#t~nondet55; 268#L720 assume !(0 != test_~tmp___0~0); 270#L720-1 test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 331#L730 assume 0 != test_~tmp___2~0; 304#L736-1 havoc __utac_acc__Specification5_spec__2_#t~ret58;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; 357#L634 __utac_acc__Specification5_spec__2_#t~ret58 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret58;havoc __utac_acc__Specification5_spec__2_#t~ret58; 330#L774 assume !(0 != ~pumpRunning~0); 311#L575 assume 0 != ~systemActive~0; 289#L582 havoc __utac_acc__Specification5_spec__3_#t~ret59, __utac_acc__Specification5_spec__3_#t~ret60, __utac_acc__Specification5_spec__3_~tmp~5, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~5;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 281#L882 __utac_acc__Specification5_spec__3_#t~ret59 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~5 := __utac_acc__Specification5_spec__3_#t~ret59;havoc __utac_acc__Specification5_spec__3_#t~ret59; 282#L785 assume 2 != __utac_acc__Specification5_spec__3_~tmp~5;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; 329#L634-1 __utac_acc__Specification5_spec__3_#t~ret60 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~1 := __utac_acc__Specification5_spec__3_#t~ret60;havoc __utac_acc__Specification5_spec__3_#t~ret60; 256#L789 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1); 258#L785-1 [2019-11-25 08:49:08,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:08,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-11-25 08:49:08,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:08,048 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129031309] [2019-11-25 08:49:08,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:08,122 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:08,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:08,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1444103597, now seen corresponding path program 1 times [2019-11-25 08:49:08,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:08,123 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037135051] [2019-11-25 08:49:08,123 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:08,133 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:08,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:08,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1728251341, now seen corresponding path program 1 times [2019-11-25 08:49:08,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:08,135 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805110042] [2019-11-25 08:49:08,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:08,224 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:08,332 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-11-25 08:49:37,257 WARN L192 SmtUtils]: Spent 28.86 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-11-25 08:49:50,118 WARN L192 SmtUtils]: Spent 12.84 s on a formula simplification that was a NOOP. DAG size: 402 [2019-11-25 08:49:50,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:49:50 BoogieIcfgContainer [2019-11-25 08:49:50,176 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:49:50,177 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:49:50,177 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:49:50,177 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:49:50,178 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:06" (3/4) ... [2019-11-25 08:49:50,180 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-25 08:49:50,229 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8907c7e3-72e5-4253-8f5b-3d52ce7dd132/bin/uautomizer/witness.graphml [2019-11-25 08:49:50,229 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:49:50,231 INFO L168 Benchmark]: Toolchain (without parser) took 44744.23 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 226.0 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 61.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:50,231 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:50,231 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.7 MB). Free memory was 940.7 MB in the beginning and 1.2 GB in the end (delta: -241.1 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:50,232 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:50,232 INFO L168 Benchmark]: Boogie Preprocessor took 48.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:50,233 INFO L168 Benchmark]: RCFGBuilder took 690.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:50,233 INFO L168 Benchmark]: BuchiAutomizer took 43305.35 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 28.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.0 MB). Peak memory consumption was 229.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:50,234 INFO L168 Benchmark]: Witness Printer took 52.52 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:50,236 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 568.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.7 MB). Free memory was 940.7 MB in the beginning and 1.2 GB in the end (delta: -241.1 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 690.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 43305.35 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 28.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.0 MB). Peak memory consumption was 229.9 MB. Max. memory is 11.5 GB. * Witness Printer took 52.52 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 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 5 locations. The remainder module has 109 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 43.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 42.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 43 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 109 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 132 SDtfs, 239 SDslu, 247 SDs, 0 SdLazy, 67 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 700]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=6882} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, NULL=6882, retValue_acc=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@113234fb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39daf628=0, NULL=16381, methaneLevelCritical=0, tmp=0, tmp=1, NULL=16383, NULL=0, NULL=0, NULL=16384, tmp___1=0, NULL=16378, NULL=16367, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46c9e31b=0, NULL=16377, NULL=16387, NULL=16386, cleanupTimeShifts=4, switchedOnBeforeTS=0, NULL=16382, NULL=16385, \result=0, NULL=6883, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=16373, tmp___0=0, NULL=0, \result=1, NULL=6885, head=0, pumpRunning=0, NULL=16379, \result=0, tmp___0=0, NULL=16375, tmp=1, NULL=0, NULL=16388, NULL=0, NULL=0, NULL=0, retValue_acc=1, NULL=6884, retValue_acc=1, tmp___2=57, NULL=16371, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f983291=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66ef6187=0, NULL=16376, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ee8a680=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c2a7c4d=57, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74ac272f=0, head=0, NULL=0, NULL=16380, NULL=16372, NULL=0, NULL=16369, NULL=0, NULL=0, NULL=0, NULL=16374, NULL=16368, retValue_acc=0, NULL=16370} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L415] int cleanupTimeShifts = 4; [L563] int pumpRunning = 0; [L564] int systemActive = 1; [L758] int switchedOnBeforeTS ; [L807] int waterLevel = 1; [L808] int methaneLevelCritical = 0; [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L498] int retValue_acc ; [L499] int tmp ; [L547] int retValue_acc ; [L550] retValue_acc = 1 [L551] return (retValue_acc); [L505] tmp = valid_product() [L507] COND TRUE \read(tmp) [L763] switchedOnBeforeTS = 0 [L691] int splverifierCounter ; [L692] int tmp ; [L693] int tmp___0 ; [L694] int tmp___1 ; [L695] int tmp___2 ; [L698] splverifierCounter = 0 Loop: [L700] COND TRUE 1 [L702] COND TRUE splverifierCounter < 4 [L708] tmp = __VERIFIER_nondet_int() [L710] COND FALSE !(\read(tmp)) [L718] tmp___0 = __VERIFIER_nondet_int() [L720] COND FALSE !(\read(tmp___0)) [L728] tmp___2 = __VERIFIER_nondet_int() [L730] COND TRUE \read(tmp___2) [L630] int retValue_acc ; [L633] retValue_acc = pumpRunning [L634] return (retValue_acc); [L772] switchedOnBeforeTS = isPumpRunning() [L575] COND FALSE !(\read(pumpRunning)) [L582] COND TRUE \read(systemActive) [L778] int tmp ; [L779] int tmp___0 ; [L878] int retValue_acc ; [L881] retValue_acc = waterLevel [L882] return (retValue_acc); [L783] tmp = getWaterLevel() [L785] COND TRUE tmp != 2 [L630] int retValue_acc ; [L633] retValue_acc = pumpRunning [L634] return (retValue_acc); [L787] tmp___0 = isPumpRunning() [L789] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...