./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_37563fd5-6146-4b97-8824-899d5a26e102/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_37563fd5-6146-4b97-8824-899d5a26e102/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_37563fd5-6146-4b97-8824-899d5a26e102/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_37563fd5-6146-4b97-8824-899d5a26e102/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_37563fd5-6146-4b97-8824-899d5a26e102/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_37563fd5-6146-4b97-8824-899d5a26e102/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 1c93d0a05e6de6b6d31b5e9d4dbf99554dda0d06 ......................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-a4ecdab [2020-11-29 19:40:30,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:40:30,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:40:31,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:40:31,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:40:31,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:40:31,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:40:31,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:40:31,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:40:31,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:40:31,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:40:31,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:40:31,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:40:31,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:40:31,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:40:31,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:40:31,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:40:31,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:40:31,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:40:31,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:40:31,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:40:31,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:40:31,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:40:31,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:40:31,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:40:31,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:40:31,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:40:31,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:40:31,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:40:31,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:40:31,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:40:31,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:40:31,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:40:31,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:40:31,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:40:31,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:40:31,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:40:31,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:40:31,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:40:31,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:40:31,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:40:31,077 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_37563fd5-6146-4b97-8824-899d5a26e102/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 19:40:31,128 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:40:31,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:40:31,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:40:31,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:40:31,131 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:40:31,131 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 19:40:31,132 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 19:40:31,132 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 19:40:31,132 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 19:40:31,132 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 19:40:31,134 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 19:40:31,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:40:31,134 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:40:31,135 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 19:40:31,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:40:31,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:40:31,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:40:31,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 19:40:31,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 19:40:31,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 19:40:31,136 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:40:31,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:40:31,137 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 19:40:31,137 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:40:31,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 19:40:31,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:40:31,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:40:31,138 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 19:40:31,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:40:31,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:40:31,141 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:40:31,141 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 19:40:31,142 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 19:40:31,142 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_37563fd5-6146-4b97-8824-899d5a26e102/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_37563fd5-6146-4b97-8824-899d5a26e102/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c93d0a05e6de6b6d31b5e9d4dbf99554dda0d06 [2020-11-29 19:40:31,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:40:31,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:40:31,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:40:31,509 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:40:31,510 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:40:31,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_37563fd5-6146-4b97-8824-899d5a26e102/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2020-11-29 19:40:31,588 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37563fd5-6146-4b97-8824-899d5a26e102/bin/uautomizer/data/c3fc2d41a/e9fc28ccb43a41918aab8c52a1f46ef1/FLAGe13822413 [2020-11-29 19:40:32,120 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:40:32,120 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_37563fd5-6146-4b97-8824-899d5a26e102/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2020-11-29 19:40:32,135 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37563fd5-6146-4b97-8824-899d5a26e102/bin/uautomizer/data/c3fc2d41a/e9fc28ccb43a41918aab8c52a1f46ef1/FLAGe13822413 [2020-11-29 19:40:32,453 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_37563fd5-6146-4b97-8824-899d5a26e102/bin/uautomizer/data/c3fc2d41a/e9fc28ccb43a41918aab8c52a1f46ef1 [2020-11-29 19:40:32,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:40:32,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:40:32,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:40:32,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:40:32,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:40:32,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:40:32" (1/1) ... [2020-11-29 19:40:32,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54bf51d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:32, skipping insertion in model container [2020-11-29 19:40:32,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:40:32" (1/1) ... [2020-11-29 19:40:32,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:40:32,523 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:40:32,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:40:32,853 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:40:32,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:40:33,015 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:40:33,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:33 WrapperNode [2020-11-29 19:40:33,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:40:33,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:40:33,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:40:33,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:40:33,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:33" (1/1) ... [2020-11-29 19:40:33,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:33" (1/1) ... [2020-11-29 19:40:33,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:40:33,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:40:33,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:40:33,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:40:33,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:33" (1/1) ... [2020-11-29 19:40:33,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:33" (1/1) ... [2020-11-29 19:40:33,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:33" (1/1) ... [2020-11-29 19:40:33,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:33" (1/1) ... [2020-11-29 19:40:33,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:33" (1/1) ... [2020-11-29 19:40:33,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:33" (1/1) ... [2020-11-29 19:40:33,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:33" (1/1) ... [2020-11-29 19:40:33,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:40:33,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:40:33,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:40:33,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:40:33,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37563fd5-6146-4b97-8824-899d5a26e102/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 [2020-11-29 19:40:33,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:40:33,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:40:33,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:40:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:40:34,142 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:40:34,147 INFO L298 CfgBuilder]: Removed 86 assume(true) statements. [2020-11-29 19:40:34,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:40:34 BoogieIcfgContainer [2020-11-29 19:40:34,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:40:34,151 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 19:40:34,152 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 19:40:34,155 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 19:40:34,156 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:40:34,156 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 07:40:32" (1/3) ... [2020-11-29 19:40:34,157 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@398297c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:40:34, skipping insertion in model container [2020-11-29 19:40:34,158 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:40:34,158 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:33" (2/3) ... [2020-11-29 19:40:34,159 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@398297c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:40:34, skipping insertion in model container [2020-11-29 19:40:34,159 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:40:34,159 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:40:34" (3/3) ... [2020-11-29 19:40:34,163 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product01.cil.c [2020-11-29 19:40:34,221 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 19:40:34,221 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 19:40:34,221 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 19:40:34,221 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:40:34,221 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:40:34,221 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 19:40:34,221 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:40:34,222 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 19:40:34,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2020-11-29 19:40:34,274 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2020-11-29 19:40:34,274 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:40:34,275 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:40:34,282 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:40:34,282 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:40:34,282 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 19:40:34,283 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2020-11-29 19:40:34,287 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2020-11-29 19:40:34,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:40:34,288 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:40:34,289 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:40:34,289 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:40:34,293 INFO L794 eck$LassoCheckResult]: Stem: 31#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 3#L-1true havoc main_#res;havoc main_#t~ret17, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 47#L254true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 57#L262true main_#t~ret17 := valid_product_#res;main_~tmp~0 := main_#t~ret17;havoc main_#t~ret17; 52#L218true assume 0 != main_~tmp~0; 59#L189true ~switchedOnBeforeTS~0 := 0; 46#L641true havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 26#L662-1true [2020-11-29 19:40:34,294 INFO L796 eck$LassoCheckResult]: Loop: 26#L662-1true assume !false; 20#L695true assume test_~splverifierCounter~0 < 4; 44#L696true test_~tmp~5 := test_#t~nondet57;havoc test_#t~nondet57; 60#L704true assume !(0 != test_~tmp~5); 63#L704-1true test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; 48#L714true assume !(0 != test_~tmp___0~1); 30#L714-1true test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; 5#L724true assume 0 != test_~tmp___2~0; 55#L730-2true havoc __utac_acc__Specification5_spec__2_#t~ret54;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 29#L820true __utac_acc__Specification5_spec__2_#t~ret54 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret54;havoc __utac_acc__Specification5_spec__2_#t~ret54; 24#L651true assume !(0 != ~pumpRunning~0); 17#L761true assume 0 != ~systemActive~0; 25#L768true havoc __utac_acc__Specification5_spec__3_#t~ret55, __utac_acc__Specification5_spec__3_#t~ret56, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;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; 56#L123true __utac_acc__Specification5_spec__3_#t~ret55 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret55;havoc __utac_acc__Specification5_spec__3_#t~ret55; 22#L662true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 26#L662-1true [2020-11-29 19:40:34,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:40:34,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2020-11-29 19:40:34,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:40:34,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280716335] [2020-11-29 19:40:34,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:40:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:40:34,576 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:40:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:40:34,769 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:40:34,824 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:40:34,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:40:34,828 INFO L82 PathProgramCache]: Analyzing trace with hash 93307153, now seen corresponding path program 1 times [2020-11-29 19:40:34,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:40:34,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956835683] [2020-11-29 19:40:34,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:40:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:40:34,850 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:40:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:40:34,861 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:40:34,867 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:40:34,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:40:34,868 INFO L82 PathProgramCache]: Analyzing trace with hash 2027332363, now seen corresponding path program 1 times [2020-11-29 19:40:34,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:40:34,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997132722] [2020-11-29 19:40:34,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:40:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:40:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:40:35,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997132722] [2020-11-29 19:40:35,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:40:35,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:40:35,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787381605] [2020-11-29 19:40:35,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:40:35,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:40:35,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:40:35,192 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 5 states. [2020-11-29 19:40:35,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:40:35,398 INFO L93 Difference]: Finished difference Result 162 states and 218 transitions. [2020-11-29 19:40:35,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 19:40:35,400 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 218 transitions. [2020-11-29 19:40:35,408 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2020-11-29 19:40:35,414 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 144 states and 200 transitions. [2020-11-29 19:40:35,415 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2020-11-29 19:40:35,416 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2020-11-29 19:40:35,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 200 transitions. [2020-11-29 19:40:35,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:40:35,419 INFO L691 BuchiCegarLoop]: Abstraction has 144 states and 200 transitions. [2020-11-29 19:40:35,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 200 transitions. [2020-11-29 19:40:35,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2020-11-29 19:40:35,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-11-29 19:40:35,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 142 transitions. [2020-11-29 19:40:35,465 INFO L714 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2020-11-29 19:40:35,465 INFO L594 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2020-11-29 19:40:35,465 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 19:40:35,466 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 142 transitions. [2020-11-29 19:40:35,468 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2020-11-29 19:40:35,468 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:40:35,468 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:40:35,469 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:40:35,469 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:40:35,469 INFO L794 eck$LassoCheckResult]: Stem: 288#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 247#L-1 havoc main_#res;havoc main_#t~ret17, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 248#L254 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 303#L262 main_#t~ret17 := valid_product_#res;main_~tmp~0 := main_#t~ret17;havoc main_#t~ret17; 308#L218 assume 0 != main_~tmp~0; 309#L189 ~switchedOnBeforeTS~0 := 0; 302#L641 havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 282#L662-1 [2020-11-29 19:40:35,470 INFO L796 eck$LassoCheckResult]: Loop: 282#L662-1 assume !false; 271#L695 assume test_~splverifierCounter~0 < 4; 272#L696 test_~tmp~5 := test_#t~nondet57;havoc test_#t~nondet57; 301#L704 assume !(0 != test_~tmp~5); 351#L704-1 test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; 350#L714 assume !(0 != test_~tmp___0~1); 348#L714-1 test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; 347#L724 assume 0 != test_~tmp___2~0; 345#L730-2 havoc __utac_acc__Specification5_spec__2_#t~ret54;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 344#L820 __utac_acc__Specification5_spec__2_#t~ret54 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret54;havoc __utac_acc__Specification5_spec__2_#t~ret54; 343#L651 assume !(0 != ~pumpRunning~0); 342#L761 assume 0 != ~systemActive~0; 341#L768 havoc __utac_acc__Specification5_spec__3_#t~ret55, __utac_acc__Specification5_spec__3_#t~ret56, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;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; 312#L123 __utac_acc__Specification5_spec__3_#t~ret55 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret55;havoc __utac_acc__Specification5_spec__3_#t~ret55; 274#L662 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 275#L820-1 __utac_acc__Specification5_spec__3_#t~ret56 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret56;havoc __utac_acc__Specification5_spec__3_#t~ret56; 289#L666 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 282#L662-1 [2020-11-29 19:40:35,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:40:35,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2020-11-29 19:40:35,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:40:35,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511429500] [2020-11-29 19:40:35,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:40:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:40:35,526 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:40:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:40:35,586 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:40:35,603 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:40:35,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:40:35,604 INFO L82 PathProgramCache]: Analyzing trace with hash -526156084, now seen corresponding path program 1 times [2020-11-29 19:40:35,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:40:35,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106024165] [2020-11-29 19:40:35,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:40:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:40:35,610 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:40:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:40:35,614 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:40:35,618 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:40:35,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:40:35,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1648768442, now seen corresponding path program 1 times [2020-11-29 19:40:35,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:40:35,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452537088] [2020-11-29 19:40:35,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:40:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:40:35,693 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:40:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:40:35,738 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:40:35,772 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:41:51,538 WARN L193 SmtUtils]: Spent 1.26 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2020-11-29 19:42:45,462 WARN L193 SmtUtils]: Spent 53.91 s on a formula simplification that was a NOOP. DAG size: 435 [2020-11-29 19:42:45,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 07:42:45 BoogieIcfgContainer [2020-11-29 19:42:45,852 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 19:42:45,853 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:42:45,853 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:42:45,854 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:42:45,854 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:40:34" (3/4) ... [2020-11-29 19:42:45,857 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-29 19:42:45,936 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_37563fd5-6146-4b97-8824-899d5a26e102/bin/uautomizer/witness.graphml [2020-11-29 19:42:45,937 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:42:45,938 INFO L168 Benchmark]: Toolchain (without parser) took 133480.78 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 74.9 MB in the beginning and 83.4 MB in the end (delta: -8.5 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:42:45,939 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 75.5 MB. Free memory was 33.5 MB in the beginning and 33.5 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:42:45,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 557.87 ms. Allocated memory is still 109.1 MB. Free memory was 74.6 MB in the beginning and 75.6 MB in the end (delta: -950.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:42:45,940 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.85 ms. Allocated memory is still 109.1 MB. Free memory was 75.6 MB in the beginning and 72.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:42:45,941 INFO L168 Benchmark]: Boogie Preprocessor took 54.29 ms. Allocated memory is still 109.1 MB. Free memory was 72.8 MB in the beginning and 70.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:42:45,941 INFO L168 Benchmark]: RCFGBuilder took 1001.68 ms. Allocated memory is still 109.1 MB. Free memory was 70.8 MB in the beginning and 73.9 MB in the end (delta: -3.1 MB). Peak memory consumption was 42.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:42:45,942 INFO L168 Benchmark]: BuchiAutomizer took 131701.21 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 73.9 MB in the beginning and 85.3 MB in the end (delta: -11.4 MB). Peak memory consumption was 72.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:42:45,943 INFO L168 Benchmark]: Witness Printer took 83.70 ms. Allocated memory is still 132.1 MB. Free memory was 85.3 MB in the beginning and 83.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:42:45,946 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 75.5 MB. Free memory was 33.5 MB in the beginning and 33.5 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 557.87 ms. Allocated memory is still 109.1 MB. Free memory was 74.6 MB in the beginning and 75.6 MB in the end (delta: -950.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.85 ms. Allocated memory is still 109.1 MB. Free memory was 75.6 MB in the beginning and 72.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.29 ms. Allocated memory is still 109.1 MB. Free memory was 72.8 MB in the beginning and 70.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1001.68 ms. Allocated memory is still 109.1 MB. Free memory was 70.8 MB in the beginning and 73.9 MB in the end (delta: -3.1 MB). Peak memory consumption was 42.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 131701.21 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 73.9 MB in the beginning and 85.3 MB in the end (delta: -11.4 MB). Peak memory consumption was 72.6 MB. Max. memory is 16.1 GB. * Witness Printer took 83.70 ms. Allocated memory is still 132.1 MB. Free memory was 85.3 MB in the beginning and 83.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 105 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 131.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 131.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 39 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 105 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 126 SDtfs, 224 SDslu, 235 SDs, 0 SdLazy, 67 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 694]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=0, NULL=0, NULL=38781, NULL=0, NULL=0, retValue_acc=0, NULL=1, NULL=38791, NULL=0, NULL=38782, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@381aac1e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5bfb7803=0, NULL=38789, NULL=38798, NULL=0, NULL=38797, methaneLevelCritical=0, NULL=38805, NULL=38801, NULL=0, NULL=0, tmp=0, NULL=38786, tmp=1, NULL=0, tmp___1=0, NULL=0, NULL=0, NULL=0, NULL=38783, cleanupTimeShifts=4, switchedOnBeforeTS=0, NULL=38795, NULL=38802, NULL=38803, \result=0, NULL=0, systemActive=1, waterLevel=1, NULL=38796, \result=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=38804, NULL=0, NULL=38785, NULL=0, NULL=24688, tmp___0=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, tmp=1, NULL=38800, \result=0, NULL=0, NULL=0, NULL=38784, retValue_acc=1, NULL=38793, NULL=0, NULL=0, NULL=38799, NULL=0, NULL=24689, tmp___2=59, NULL=0, tmp___0=0, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60a20b34=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a8b70bd=0, NULL=38794, NULL=38787, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48c9700e=59, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e0b7993=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14747b38=0, head=0, NULL=0, NULL=0, NULL=38806, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3dfe0f7a=0, NULL=38788, retValue_acc=0, NULL=0, NULL=38792, NULL=38790} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L128] int cleanupTimeShifts = 4; [L436] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L635] int switchedOnBeforeTS ; [L751] int pumpRunning = 0; [L752] int systemActive = 1; [L209] int retValue_acc ; [L210] int tmp ; [L258] int retValue_acc ; [L261] retValue_acc = 1 [L262] return (retValue_acc); [L216] tmp = valid_product() [L218] COND TRUE \read(tmp) [L640] switchedOnBeforeTS = 0 [L685] int splverifierCounter ; [L686] int tmp ; [L687] int tmp___0 ; [L688] int tmp___1 ; [L689] int tmp___2 ; [L692] splverifierCounter = 0 Loop: [L694] COND TRUE 1 [L696] COND TRUE splverifierCounter < 4 [L702] tmp = __VERIFIER_nondet_int() [L704] COND FALSE !(\read(tmp)) [L712] tmp___0 = __VERIFIER_nondet_int() [L714] COND FALSE !(\read(tmp___0)) [L722] tmp___2 = __VERIFIER_nondet_int() [L724] COND TRUE \read(tmp___2) [L816] int retValue_acc ; [L819] retValue_acc = pumpRunning [L820] return (retValue_acc); [L649] switchedOnBeforeTS = isPumpRunning() [L761] COND FALSE !(\read(pumpRunning)) [L768] COND TRUE \read(systemActive) [L655] int tmp ; [L656] int tmp___0 ; [L119] int retValue_acc ; [L122] retValue_acc = waterLevel [L123] return (retValue_acc); [L660] tmp = getWaterLevel() [L662] COND TRUE tmp != 2 [L816] int retValue_acc ; [L819] retValue_acc = pumpRunning [L820] return (retValue_acc); [L664] tmp___0 = isPumpRunning() [L666] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...