./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_07305bc1-8271-4582-9873-164c3c7e6af1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_07305bc1-8271-4582-9873-164c3c7e6af1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_07305bc1-8271-4582-9873-164c3c7e6af1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_07305bc1-8271-4582-9873-164c3c7e6af1/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_07305bc1-8271-4582-9873-164c3c7e6af1/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_07305bc1-8271-4582-9873-164c3c7e6af1/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 2592b880c905533820d8c0b600fce539abba3733 ............................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-19 22:33:47,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:33:47,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:33:47,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:33:47,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:33:47,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:33:47,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:33:47,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:33:47,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:33:47,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:33:47,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:33:47,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:33:47,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:33:47,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:33:47,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:33:47,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:33:47,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:33:47,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:33:47,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:33:47,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:33:47,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:33:47,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:33:47,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:33:47,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:33:47,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:33:47,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:33:47,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:33:47,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:33:47,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:33:47,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:33:47,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:33:47,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:33:47,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:33:47,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:33:47,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:33:47,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:33:47,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:33:47,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:33:47,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:33:47,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:33:47,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:33:47,229 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_07305bc1-8271-4582-9873-164c3c7e6af1/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 22:33:47,245 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:33:47,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:33:47,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:33:47,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:33:47,247 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:33:47,247 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:33:47,247 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:33:47,248 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:33:47,248 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:33:47,248 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:33:47,249 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:33:47,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:33:47,249 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:33:47,249 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:33:47,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:33:47,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:33:47,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:33:47,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:33:47,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:33:47,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:33:47,251 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:33:47,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:33:47,251 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:33:47,251 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:33:47,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:33:47,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:33:47,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:33:47,252 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:33:47,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:33:47,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:33:47,253 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:33:47,254 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:33:47,254 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_07305bc1-8271-4582-9873-164c3c7e6af1/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 -> 2592b880c905533820d8c0b600fce539abba3733 [2019-11-19 22:33:47,458 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:33:47,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:33:47,472 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:33:47,473 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:33:47,473 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:33:47,474 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_07305bc1-8271-4582-9873-164c3c7e6af1/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c [2019-11-19 22:33:47,529 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07305bc1-8271-4582-9873-164c3c7e6af1/bin/uautomizer/data/9c681b2b4/545a41572eb04a8b95f7206eb910effd/FLAGc7ad7ed16 [2019-11-19 22:33:48,075 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:33:48,075 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_07305bc1-8271-4582-9873-164c3c7e6af1/sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c [2019-11-19 22:33:48,089 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07305bc1-8271-4582-9873-164c3c7e6af1/bin/uautomizer/data/9c681b2b4/545a41572eb04a8b95f7206eb910effd/FLAGc7ad7ed16 [2019-11-19 22:33:48,379 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_07305bc1-8271-4582-9873-164c3c7e6af1/bin/uautomizer/data/9c681b2b4/545a41572eb04a8b95f7206eb910effd [2019-11-19 22:33:48,383 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:33:48,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:33:48,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:33:48,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:33:48,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:33:48,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:33:48" (1/1) ... [2019-11-19 22:33:48,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68b03311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:48, skipping insertion in model container [2019-11-19 22:33:48,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:33:48" (1/1) ... [2019-11-19 22:33:48,405 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:33:48,452 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:33:48,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:33:48,919 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:33:48,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:33:49,022 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:33:49,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:49 WrapperNode [2019-11-19 22:33:49,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:33:49,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:33:49,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:33:49,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:33:49,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:49" (1/1) ... [2019-11-19 22:33:49,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:49" (1/1) ... [2019-11-19 22:33:49,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:33:49,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:33:49,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:33:49,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:33:49,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:49" (1/1) ... [2019-11-19 22:33:49,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:49" (1/1) ... [2019-11-19 22:33:49,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:49" (1/1) ... [2019-11-19 22:33:49,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:49" (1/1) ... [2019-11-19 22:33:49,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:49" (1/1) ... [2019-11-19 22:33:49,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:49" (1/1) ... [2019-11-19 22:33:49,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:49" (1/1) ... [2019-11-19 22:33:49,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:33:49,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:33:49,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:33:49,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:33:49,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07305bc1-8271-4582-9873-164c3c7e6af1/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 [2019-11-19 22:33:49,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:33:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 22:33:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:33:49,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:33:49,964 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:33:49,965 INFO L285 CfgBuilder]: Removed 116 assume(true) statements. [2019-11-19 22:33:49,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:33:49 BoogieIcfgContainer [2019-11-19 22:33:49,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:33:49,967 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:33:49,967 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:33:49,971 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:33:49,972 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:33:49,973 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:33:48" (1/3) ... [2019-11-19 22:33:49,974 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49ebef4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:33:49, skipping insertion in model container [2019-11-19 22:33:49,974 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:33:49,975 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:49" (2/3) ... [2019-11-19 22:33:49,976 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49ebef4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:33:49, skipping insertion in model container [2019-11-19 22:33:49,976 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:33:49,976 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:33:49" (3/3) ... [2019-11-19 22:33:49,978 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product28.cil.c [2019-11-19 22:33:50,033 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:33:50,033 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:33:50,033 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:33:50,034 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:33:50,034 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:33:50,034 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:33:50,034 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:33:50,034 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:33:50,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states. [2019-11-19 22:33:50,086 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2019-11-19 22:33:50,086 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:33:50,086 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:33:50,093 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:33:50,094 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:33:50,094 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:33:50,094 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states. [2019-11-19 22:33:50,101 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2019-11-19 22:33:50,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:33:50,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:33:50,102 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:33:50,103 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:33:50,107 INFO L794 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1); 7#L-1true havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~3, main_~tmp~1;havoc main_~retValue_acc~3;havoc main_~tmp~1; 65#L678true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 72#L686true main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 61#L276true assume 0 != main_~tmp~1; 14#L248true ~switchedOnBeforeTS~0 := 0; 51#L144true havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 44#L165-1true [2019-11-19 22:33:50,108 INFO L796 eck$LassoCheckResult]: Loop: 44#L165-1true assume !false; 45#L911true assume test_~splverifierCounter~0 < 4; 68#L912true test_~tmp~8 := test_#t~nondet70;havoc test_#t~nondet70; 73#L920true assume !(0 != test_~tmp~8); 74#L920-1true test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 54#L930true assume !(0 != test_~tmp___0~2); 57#L930-1true test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 23#L940true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 33#L948-1true havoc __utac_acc__Specification5_spec__2_#t~ret10;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 64#L817true __utac_acc__Specification5_spec__2_#t~ret10 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10;havoc __utac_acc__Specification5_spec__2_#t~ret10; 17#L154true assume !(0 != ~pumpRunning~0); 60#L714true assume !(0 != ~systemActive~0); 38#L721true havoc __utac_acc__Specification5_spec__3_#t~ret11, __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 48#L122true __utac_acc__Specification5_spec__3_#t~ret11 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret11;havoc __utac_acc__Specification5_spec__3_#t~ret11; 18#L165true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 44#L165-1true [2019-11-19 22:33:50,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:50,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-19 22:33:50,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:50,126 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701504438] [2019-11-19 22:33:50,126 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:50,506 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:50,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:50,507 INFO L82 PathProgramCache]: Analyzing trace with hash 675133686, now seen corresponding path program 1 times [2019-11-19 22:33:50,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:50,508 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066934357] [2019-11-19 22:33:50,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:33:50,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:33:50,560 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066934357] [2019-11-19 22:33:50,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:33:50,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:33:50,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353780875] [2019-11-19 22:33:50,566 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 22:33:50,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:33:50,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:33:50,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:33:50,583 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 3 states. [2019-11-19 22:33:50,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:33:50,664 INFO L93 Difference]: Finished difference Result 159 states and 221 transitions. [2019-11-19 22:33:50,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:33:50,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 159 states and 221 transitions. [2019-11-19 22:33:50,673 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 102 [2019-11-19 22:33:50,680 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 159 states to 145 states and 206 transitions. [2019-11-19 22:33:50,682 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 145 [2019-11-19 22:33:50,683 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 145 [2019-11-19 22:33:50,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 206 transitions. [2019-11-19 22:33:50,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:33:50,685 INFO L688 BuchiCegarLoop]: Abstraction has 145 states and 206 transitions. [2019-11-19 22:33:50,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 206 transitions. [2019-11-19 22:33:50,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2019-11-19 22:33:50,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-11-19 22:33:50,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 203 transitions. [2019-11-19 22:33:50,722 INFO L711 BuchiCegarLoop]: Abstraction has 143 states and 203 transitions. [2019-11-19 22:33:50,722 INFO L591 BuchiCegarLoop]: Abstraction has 143 states and 203 transitions. [2019-11-19 22:33:50,722 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:33:50,723 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 143 states and 203 transitions. [2019-11-19 22:33:50,725 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 100 [2019-11-19 22:33:50,726 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:33:50,726 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:33:50,727 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:33:50,727 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:33:50,727 INFO L794 eck$LassoCheckResult]: Stem: 296#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1); 256#L-1 havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~3, main_~tmp~1;havoc main_~retValue_acc~3;havoc main_~tmp~1; 257#L678 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 327#L686 main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 323#L276 assume 0 != main_~tmp~1; 268#L248 ~switchedOnBeforeTS~0 := 0; 269#L144 havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 320#L165-1 [2019-11-19 22:33:50,727 INFO L796 eck$LassoCheckResult]: Loop: 320#L165-1 assume !false; 370#L911 assume test_~splverifierCounter~0 < 4; 332#L912 test_~tmp~8 := test_#t~nondet70;havoc test_#t~nondet70; 333#L920 assume !(0 != test_~tmp~8); 265#L920-1 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 322#L930 assume !(0 != test_~tmp___0~2); 305#L930-1 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 283#L940 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 285#L948-1 havoc __utac_acc__Specification5_spec__2_#t~ret10;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 297#L817 __utac_acc__Specification5_spec__2_#t~ret10 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10;havoc __utac_acc__Specification5_spec__2_#t~ret10; 326#L154 assume !(0 != ~pumpRunning~0); 379#L714 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 378#L746 assume !(0 != ~pumpRunning~0); 376#L721 havoc __utac_acc__Specification5_spec__3_#t~ret11, __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 375#L122 __utac_acc__Specification5_spec__3_#t~ret11 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret11;havoc __utac_acc__Specification5_spec__3_#t~ret11; 373#L165 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 320#L165-1 [2019-11-19 22:33:50,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:50,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-11-19 22:33:50,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:50,728 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125427253] [2019-11-19 22:33:50,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:50,866 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:50,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:50,866 INFO L82 PathProgramCache]: Analyzing trace with hash -572685309, now seen corresponding path program 1 times [2019-11-19 22:33:50,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:50,867 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143844857] [2019-11-19 22:33:50,867 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:50,881 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:50,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:50,887 INFO L82 PathProgramCache]: Analyzing trace with hash -747445943, now seen corresponding path program 1 times [2019-11-19 22:33:50,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:50,887 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913391145] [2019-11-19 22:33:50,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:33:50,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:33:50,969 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913391145] [2019-11-19 22:33:50,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:33:50,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:33:50,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645067540] [2019-11-19 22:33:51,095 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-11-19 22:33:51,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:33:51,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 22:33:51,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 22:33:51,165 INFO L87 Difference]: Start difference. First operand 143 states and 203 transitions. cyclomatic complexity: 63 Second operand 5 states. [2019-11-19 22:33:51,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:33:51,422 INFO L93 Difference]: Finished difference Result 398 states and 558 transitions. [2019-11-19 22:33:51,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 22:33:51,424 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 398 states and 558 transitions. [2019-11-19 22:33:51,433 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 194 [2019-11-19 22:33:51,446 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 398 states to 398 states and 558 transitions. [2019-11-19 22:33:51,446 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 398 [2019-11-19 22:33:51,449 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 398 [2019-11-19 22:33:51,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 398 states and 558 transitions. [2019-11-19 22:33:51,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:33:51,461 INFO L688 BuchiCegarLoop]: Abstraction has 398 states and 558 transitions. [2019-11-19 22:33:51,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states and 558 transitions. [2019-11-19 22:33:51,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 279. [2019-11-19 22:33:51,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2019-11-19 22:33:51,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 385 transitions. [2019-11-19 22:33:51,493 INFO L711 BuchiCegarLoop]: Abstraction has 279 states and 385 transitions. [2019-11-19 22:33:51,493 INFO L591 BuchiCegarLoop]: Abstraction has 279 states and 385 transitions. [2019-11-19 22:33:51,493 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 22:33:51,494 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 279 states and 385 transitions. [2019-11-19 22:33:51,497 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 194 [2019-11-19 22:33:51,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:33:51,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:33:51,498 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:33:51,498 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:33:51,499 INFO L794 eck$LassoCheckResult]: Stem: 854#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1); 813#L-1 havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~3, main_~tmp~1;havoc main_~retValue_acc~3;havoc main_~tmp~1; 814#L678 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 888#L686 main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 886#L276 assume 0 != main_~tmp~1; 825#L248 ~switchedOnBeforeTS~0 := 0; 826#L144 havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 848#L165-1 [2019-11-19 22:33:51,499 INFO L796 eck$LassoCheckResult]: Loop: 848#L165-1 assume !false; 872#L911 assume test_~splverifierCounter~0 < 4; 873#L912 test_~tmp~8 := test_#t~nondet70;havoc test_#t~nondet70; 1042#L920 assume !(0 != test_~tmp~8); 1040#L920-1 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 1018#L930 assume !(0 != test_~tmp___0~2); 1016#L930-1 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 1013#L940 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 974#L948-1 havoc __utac_acc__Specification5_spec__2_#t~ret10;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 972#L817 __utac_acc__Specification5_spec__2_#t~ret10 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10;havoc __utac_acc__Specification5_spec__2_#t~ret10; 970#L154 assume !(0 != ~pumpRunning~0); 885#L714 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 846#L746 assume !(0 != ~pumpRunning~0); 834#L721 havoc __utac_acc__Specification5_spec__3_#t~ret11, __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 860#L122 __utac_acc__Specification5_spec__3_#t~ret11 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret11;havoc __utac_acc__Specification5_spec__3_#t~ret11; 831#L165 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 832#L817-1 __utac_acc__Specification5_spec__3_#t~ret12 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret12;havoc __utac_acc__Specification5_spec__3_#t~ret12; 847#L169 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 848#L165-1 [2019-11-19 22:33:51,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:51,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2019-11-19 22:33:51,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:51,500 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594352524] [2019-11-19 22:33:51,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:51,615 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:51,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:51,616 INFO L82 PathProgramCache]: Analyzing trace with hash -594781890, now seen corresponding path program 1 times [2019-11-19 22:33:51,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:51,616 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862577156] [2019-11-19 22:33:51,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:51,632 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:51,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:51,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1036026620, now seen corresponding path program 1 times [2019-11-19 22:33:51,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:51,634 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177692687] [2019-11-19 22:33:51,634 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:51,766 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:51,896 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2019-11-19 22:34:21,837 WARN L191 SmtUtils]: Spent 29.88 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-11-19 22:34:37,340 WARN L191 SmtUtils]: Spent 15.50 s on a formula simplification that was a NOOP. DAG size: 402 [2019-11-19 22:34:37,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:34:37 BoogieIcfgContainer [2019-11-19 22:34:37,437 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:34:37,438 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:34:37,438 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:34:37,438 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:34:37,439 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:33:49" (3/4) ... [2019-11-19 22:34:37,442 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-19 22:34:37,506 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_07305bc1-8271-4582-9873-164c3c7e6af1/bin/uautomizer/witness.graphml [2019-11-19 22:34:37,506 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:34:37,508 INFO L168 Benchmark]: Toolchain (without parser) took 49123.97 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 291.5 MB). Free memory was 944.8 MB in the beginning and 1.3 GB in the end (delta: -322.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:34:37,509 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:34:37,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:34:37,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:34:37,510 INFO L168 Benchmark]: Boogie Preprocessor took 45.37 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. [2019-11-19 22:34:37,511 INFO L168 Benchmark]: RCFGBuilder took 834.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:34:37,511 INFO L168 Benchmark]: BuchiAutomizer took 47470.39 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.3 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -238.6 MB). Peak memory consumption was 403.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:34:37,512 INFO L168 Benchmark]: Witness Printer took 68.95 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:34:37,514 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 638.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 834.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 47470.39 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.3 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -238.6 MB). Peak memory consumption was 403.6 MB. Max. memory is 11.5 GB. * Witness Printer took 68.95 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 279 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 47.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 46.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 121 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 279 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 281 SDtfs, 458 SDslu, 422 SDs, 0 SdLazy, 92 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 910]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=2840} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=2852, NULL=0, NULL=2840, NULL=2857, retValue_acc=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@9122506=0, NULL=2849, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b6d57a=0, NULL=0, NULL=0, NULL=0, NULL=2854, NULL=2843, methaneLevelCritical=0, NULL=2856, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3390ed23=0, NULL=2853, NULL=0, NULL=2855, NULL=0, NULL=2864, tmp=0, tmp___1=0, tmp=1, NULL=2848, retValue_acc=0, cleanupTimeShifts=4, NULL=2865, switchedOnBeforeTS=0, NULL=2859, NULL=2851, \result=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=2842, NULL=2862, NULL=0, NULL=2845, NULL=0, NULL=0, tmp___0=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, \result=0, NULL=0, NULL=2850, tmp=1, NULL=0, NULL=0, NULL=0, NULL=2841, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@217a636f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a7b8352=70, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20bef5f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59053961=0, retValue_acc=1, NULL=2863, tmp___2=70, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b6e84f1=0, splverifierCounter=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c0e15f4=0, NULL=0, NULL=0, NULL=0, NULL=2847, head=0, tmp=0, NULL=2858, NULL=0, NULL=2861, NULL=2844, NULL=2846, NULL=2860} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L138] int switchedOnBeforeTS ; [L187] int cleanupTimeShifts = 4; [L459] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L704] int pumpRunning = 0; [L705] int systemActive = 1; [L267] int retValue_acc ; [L268] int tmp ; [L682] int retValue_acc ; [L685] retValue_acc = 1 [L686] return (retValue_acc); [L274] tmp = valid_product() [L276] COND TRUE \read(tmp) [L143] switchedOnBeforeTS = 0 [L901] int splverifierCounter ; [L902] int tmp ; [L903] int tmp___0 ; [L904] int tmp___1 ; [L905] int tmp___2 ; [L908] splverifierCounter = 0 Loop: [L910] COND TRUE 1 [L912] COND TRUE splverifierCounter < 4 [L918] tmp = __VERIFIER_nondet_int() [L920] COND FALSE !(\read(tmp)) [L928] tmp___0 = __VERIFIER_nondet_int() [L930] COND FALSE !(\read(tmp___0)) [L938] tmp___2 = __VERIFIER_nondet_int() [L940] COND TRUE \read(tmp___2) [L895] systemActive = 1 [L813] int retValue_acc ; [L816] retValue_acc = pumpRunning [L817] return (retValue_acc); [L152] switchedOnBeforeTS = isPumpRunning() [L714] COND FALSE !(\read(pumpRunning)) [L721] COND TRUE \read(systemActive) [L743] int tmp ; [L746] COND FALSE !(\read(pumpRunning)) [L158] int tmp ; [L159] int tmp___0 ; [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); [L163] tmp = getWaterLevel() [L165] COND TRUE tmp != 2 [L813] int retValue_acc ; [L816] retValue_acc = pumpRunning [L817] return (retValue_acc); [L167] tmp___0 = isPumpRunning() [L169] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...