./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.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_fef7485b-792e-482a-b1a9-5a3f4f2bfb35/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fef7485b-792e-482a-b1a9-5a3f4f2bfb35/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fef7485b-792e-482a-b1a9-5a3f4f2bfb35/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fef7485b-792e-482a-b1a9-5a3f4f2bfb35/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fef7485b-792e-482a-b1a9-5a3f4f2bfb35/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fef7485b-792e-482a-b1a9-5a3f4f2bfb35/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 bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 ........................................................................................................................................................................................................................................................................................................................................................... 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 [2019-11-20 02:26:57,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:26:57,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:26:57,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:26:57,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:26:57,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:26:57,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:26:57,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:26:57,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:26:57,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:26:57,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:26:57,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:26:57,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:26:57,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:26:57,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:26:57,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:26:57,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:26:57,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:26:57,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:26:57,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:26:57,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:26:57,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:26:57,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:26:57,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:26:57,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:26:57,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:26:57,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:26:57,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:26:57,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:26:57,080 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:26:57,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:26:57,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:26:57,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:26:57,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:26:57,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:26:57,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:26:57,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:26:57,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:26:57,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:26:57,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:26:57,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:26:57,087 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fef7485b-792e-482a-b1a9-5a3f4f2bfb35/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 02:26:57,113 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:26:57,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:26:57,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:26:57,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:26:57,118 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:26:57,118 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 02:26:57,118 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 02:26:57,118 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 02:26:57,119 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 02:26:57,119 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 02:26:57,120 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 02:26:57,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:26:57,120 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:26:57,121 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 02:26:57,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:26:57,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:26:57,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:26:57,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 02:26:57,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 02:26:57,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 02:26:57,122 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:26:57,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:26:57,123 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 02:26:57,123 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:26:57,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 02:26:57,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:26:57,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:26:57,124 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 02:26:57,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:26:57,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:26:57,124 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 02:26:57,125 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 02:26:57,126 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_fef7485b-792e-482a-b1a9-5a3f4f2bfb35/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 -> bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 [2019-11-20 02:26:57,259 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:26:57,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:26:57,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:26:57,281 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:26:57,285 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:26:57,286 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fef7485b-792e-482a-b1a9-5a3f4f2bfb35/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2019-11-20 02:26:57,339 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fef7485b-792e-482a-b1a9-5a3f4f2bfb35/bin/uautomizer/data/d43c13de5/6e524cb4433b4ae09d341b98729eaf4f/FLAGb67fbc2f4 [2019-11-20 02:26:57,834 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:26:57,834 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fef7485b-792e-482a-b1a9-5a3f4f2bfb35/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2019-11-20 02:26:57,855 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fef7485b-792e-482a-b1a9-5a3f4f2bfb35/bin/uautomizer/data/d43c13de5/6e524cb4433b4ae09d341b98729eaf4f/FLAGb67fbc2f4 [2019-11-20 02:26:58,306 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fef7485b-792e-482a-b1a9-5a3f4f2bfb35/bin/uautomizer/data/d43c13de5/6e524cb4433b4ae09d341b98729eaf4f [2019-11-20 02:26:58,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:26:58,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:26:58,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:26:58,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:26:58,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:26:58,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:26:58" (1/1) ... [2019-11-20 02:26:58,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d7005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:58, skipping insertion in model container [2019-11-20 02:26:58,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:26:58" (1/1) ... [2019-11-20 02:26:58,323 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:26:58,374 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:26:58,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:26:58,709 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:26:58,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:26:58,860 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:26:58,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:58 WrapperNode [2019-11-20 02:26:58,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:26:58,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:26:58,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:26:58,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:26:58,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:58" (1/1) ... [2019-11-20 02:26:58,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:58" (1/1) ... [2019-11-20 02:26:58,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:26:58,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:26:58,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:26:58,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:26:58,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:58" (1/1) ... [2019-11-20 02:26:58,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:58" (1/1) ... [2019-11-20 02:26:58,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:58" (1/1) ... [2019-11-20 02:26:58,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:58" (1/1) ... [2019-11-20 02:26:58,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:58" (1/1) ... [2019-11-20 02:26:58,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:58" (1/1) ... [2019-11-20 02:26:58,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:58" (1/1) ... [2019-11-20 02:26:58,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:26:58,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:26:58,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:26:58,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:26:58,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fef7485b-792e-482a-b1a9-5a3f4f2bfb35/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 [2019-11-20 02:26:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:26:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 02:26:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:26:59,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:26:59,819 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:26:59,820 INFO L285 CfgBuilder]: Removed 162 assume(true) statements. [2019-11-20 02:26:59,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:26:59 BoogieIcfgContainer [2019-11-20 02:26:59,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:26:59,822 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 02:26:59,822 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 02:26:59,826 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 02:26:59,827 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:26:59,827 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 02:26:58" (1/3) ... [2019-11-20 02:26:59,828 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1dab3438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:26:59, skipping insertion in model container [2019-11-20 02:26:59,828 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:26:59,829 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:58" (2/3) ... [2019-11-20 02:26:59,829 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1dab3438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:26:59, skipping insertion in model container [2019-11-20 02:26:59,829 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:26:59,829 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:26:59" (3/3) ... [2019-11-20 02:26:59,834 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2019-11-20 02:26:59,878 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 02:26:59,878 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 02:26:59,878 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 02:26:59,878 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:26:59,879 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:26:59,879 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 02:26:59,879 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:26:59,879 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 02:26:59,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-11-20 02:26:59,917 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-11-20 02:26:59,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:26:59,918 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:26:59,924 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:26:59,924 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:26:59,925 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 02:26:59,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-11-20 02:26:59,930 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-11-20 02:26:59,931 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:26:59,931 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:26:59,932 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:26:59,932 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:26:59,936 INFO L794 eck$LassoCheckResult]: Stem: 74#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);~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); 17#L-1true havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 33#L94true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 40#L102true main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 98#L203true assume 0 != main_~tmp~1; 48#L179true havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 12#L51-1true [2019-11-20 02:26:59,937 INFO L796 eck$LassoCheckResult]: Loop: 12#L51-1true assume !false; 29#L909true assume test_~splverifierCounter~0 < 4; 5#L910true test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 20#L918true assume !(0 != test_~tmp~9); 21#L918-1true test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 49#L928true assume !(0 != test_~tmp___0~2); 53#L928-1true test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 94#L938true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 103#L946-1true assume !(0 != ~pumpRunning~0); 19#L687true assume !(0 != ~systemActive~0); 46#L694true havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 14#L296true __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 15#L51true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 12#L51-1true [2019-11-20 02:26:59,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:26:59,943 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-20 02:26:59,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:26:59,951 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490341237] [2019-11-20 02:26:59,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:27:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:27:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:27:00,238 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:27:00,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:27:00,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1670755444, now seen corresponding path program 1 times [2019-11-20 02:27:00,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:27:00,240 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956299613] [2019-11-20 02:27:00,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:27:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:27:00,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:27:00,295 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956299613] [2019-11-20 02:27:00,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:27:00,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 02:27:00,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141214088] [2019-11-20 02:27:00,301 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 02:27:00,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:27:00,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:27:00,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:27:00,318 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 3 states. [2019-11-20 02:27:00,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:27:00,403 INFO L93 Difference]: Finished difference Result 202 states and 288 transitions. [2019-11-20 02:27:00,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:27:00,410 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202 states and 288 transitions. [2019-11-20 02:27:00,419 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 130 [2019-11-20 02:27:00,428 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 202 states to 188 states and 273 transitions. [2019-11-20 02:27:00,432 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 188 [2019-11-20 02:27:00,436 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 188 [2019-11-20 02:27:00,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 273 transitions. [2019-11-20 02:27:00,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:27:00,439 INFO L688 BuchiCegarLoop]: Abstraction has 188 states and 273 transitions. [2019-11-20 02:27:00,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 273 transitions. [2019-11-20 02:27:00,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186. [2019-11-20 02:27:00,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2019-11-20 02:27:00,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 270 transitions. [2019-11-20 02:27:00,497 INFO L711 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2019-11-20 02:27:00,497 INFO L591 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2019-11-20 02:27:00,497 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 02:27:00,498 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states and 270 transitions. [2019-11-20 02:27:00,506 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2019-11-20 02:27:00,507 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:27:00,507 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:27:00,508 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:27:00,508 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:27:00,508 INFO L794 eck$LassoCheckResult]: Stem: 408#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);~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); 339#L-1 havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 340#L94 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 362#L102 main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 373#L203 assume 0 != main_~tmp~1; 381#L179 havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 382#L51-1 [2019-11-20 02:27:00,509 INFO L796 eck$LassoCheckResult]: Loop: 382#L51-1 assume !false; 430#L909 assume test_~splverifierCounter~0 < 4; 318#L910 test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 319#L918 assume !(0 != test_~tmp~9); 345#L918-1 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 346#L928 assume !(0 != test_~tmp___0~2); 351#L928-1 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 383#L938 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 418#L946-1 assume !(0 != ~pumpRunning~0); 444#L687 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 420#L745 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret49, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 421#L719-1 assume !(0 != ~pumpRunning~0); 433#L694 havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 432#L296 __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 431#L51 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 382#L51-1 [2019-11-20 02:27:00,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:27:00,509 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-20 02:27:00,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:27:00,510 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656640896] [2019-11-20 02:27:00,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:27:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:27:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:27:00,617 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:27:00,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:27:00,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1427585826, now seen corresponding path program 1 times [2019-11-20 02:27:00,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:27:00,618 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623960266] [2019-11-20 02:27:00,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:27:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:27:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:27:00,630 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:27:00,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:27:00,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1021999224, now seen corresponding path program 1 times [2019-11-20 02:27:00,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:27:00,631 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074155688] [2019-11-20 02:27:00,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:27:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:27:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:27:00,794 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:27:29,570 WARN L191 SmtUtils]: Spent 28.63 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-20 02:27:43,233 WARN L191 SmtUtils]: Spent 13.66 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-20 02:27:43,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 02:27:43 BoogieIcfgContainer [2019-11-20 02:27:43,303 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 02:27:43,304 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:27:43,304 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:27:43,304 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:27:43,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:26:59" (3/4) ... [2019-11-20 02:27:43,308 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 02:27:43,354 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fef7485b-792e-482a-b1a9-5a3f4f2bfb35/bin/uautomizer/witness.graphml [2019-11-20 02:27:43,354 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:27:43,356 INFO L168 Benchmark]: Toolchain (without parser) took 45046.15 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 297.3 MB). Free memory was 944.8 MB in the beginning and 1.3 GB in the end (delta: -330.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:27:43,356 INFO L168 Benchmark]: CDTParser took 0.25 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. [2019-11-20 02:27:43,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:27:43,357 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.18 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. [2019-11-20 02:27:43,357 INFO L168 Benchmark]: Boogie Preprocessor took 46.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-20 02:27:43,358 INFO L168 Benchmark]: RCFGBuilder took 848.23 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: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. [2019-11-20 02:27:43,358 INFO L168 Benchmark]: BuchiAutomizer took 43481.80 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 158.9 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -230.2 MB). Peak memory consumption was 373.9 MB. Max. memory is 11.5 GB. [2019-11-20 02:27:43,359 INFO L168 Benchmark]: Witness Printer took 50.69 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: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2019-11-20 02:27:43,361 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 550.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.18 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 46.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 848.23 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: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 43481.80 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 158.9 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -230.2 MB). Peak memory consumption was 373.9 MB. Max. memory is 11.5 GB. * Witness Printer took 50.69 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: 3.0 MB). Peak memory consumption was 3.0 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 3 locations. The remainder module has 186 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 43.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 43.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 186 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 146 SDtfs, 142 SDslu, 134 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 908]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=784} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=784, NULL=17502, NULL=0, NULL=0, NULL=0, NULL=11591, NULL=0, NULL=0, NULL=0, NULL=17490, NULL=17489, NULL=17497, methaneLevelCritical=0, NULL=17503, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3066f1ba=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@425c6d11=0, NULL=17498, NULL=0, NULL=17499, NULL=0, NULL=11592, tmp___1=0, tmp=0, tmp___0=0, NULL=17500, cleanupTimeShifts=4, NULL=24707, NULL=17495, NULL=17496, NULL=0, systemActive=1, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1181f178=0, \result=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e161348=0, NULL=785, NULL=8143, NULL=0, NULL=17505, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3bd7f2ce=0, NULL=0, NULL=11590, tmp=1, NULL=0, NULL=0, NULL=0, NULL=24706, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51edc638=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22f66950=52, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@250c5e57=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@579be876=0, NULL=17492, retValue_acc=1, tmp___2=52, tmp___0=0, retValue_acc=1, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=12018, head=0, tmp=0, NULL=17501, NULL=0, NULL=17493, NULL=0, NULL=0, NULL=17504, NULL=17491, NULL=17494, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L116] int cleanupTimeShifts = 4; [L221] int waterLevel = 1; [L222] int methaneLevelCritical = 0; [L479] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L680] int pumpRunning = 0; [L681] int systemActive = 1; [L194] int retValue_acc ; [L195] int tmp ; [L98] int retValue_acc ; [L101] retValue_acc = 1 [L102] return (retValue_acc); [L201] tmp = valid_product() [L203] COND TRUE \read(tmp) [L899] int splverifierCounter ; [L900] int tmp ; [L901] int tmp___0 ; [L902] int tmp___1 ; [L903] int tmp___2 ; [L906] splverifierCounter = 0 Loop: [L908] COND TRUE 1 [L910] COND TRUE splverifierCounter < 4 [L916] tmp = __VERIFIER_nondet_int() [L918] COND FALSE !(\read(tmp)) [L926] tmp___0 = __VERIFIER_nondet_int() [L928] COND FALSE !(\read(tmp___0)) [L936] tmp___2 = __VERIFIER_nondet_int() [L938] COND TRUE \read(tmp___2) [L893] systemActive = 1 [L687] COND FALSE !(\read(pumpRunning)) [L694] COND TRUE \read(systemActive) [L742] int tmp ; [L745] COND FALSE !(\read(pumpRunning)) [L716] int tmp ; [L719] COND FALSE !(\read(pumpRunning)) [L44] int tmp ; [L45] int tmp___0 ; [L292] int retValue_acc ; [L295] retValue_acc = waterLevel [L296] return (retValue_acc); [L49] tmp = getWaterLevel() [L51] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...