./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0d98ef-f532-4859-822b-192f563b1042/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0d98ef-f532-4859-822b-192f563b1042/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0d98ef-f532-4859-822b-192f563b1042/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0d98ef-f532-4859-822b-192f563b1042/bin/uautomizer-QkZJyEgLgS/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0d98ef-f532-4859-822b-192f563b1042/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0d98ef-f532-4859-822b-192f563b1042/bin/uautomizer-QkZJyEgLgS --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 bd7f84863cb412e83f8c5773a09de3282aa45b8f86409f0c880aae27635b0b5f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 01:44:53,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 01:44:53,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 01:44:53,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 01:44:53,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 01:44:53,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 01:44:53,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 01:44:53,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 01:44:53,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 01:44:53,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 01:44:53,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 01:44:53,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 01:44:53,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 01:44:53,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 01:44:53,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 01:44:53,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 01:44:53,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 01:44:53,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 01:44:53,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 01:44:53,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 01:44:53,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 01:44:53,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 01:44:53,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 01:44:53,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 01:44:53,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 01:44:53,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 01:44:53,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 01:44:53,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 01:44:53,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 01:44:53,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 01:44:53,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 01:44:53,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 01:44:53,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 01:44:53,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 01:44:53,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 01:44:53,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 01:44:53,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 01:44:53,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 01:44:53,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 01:44:53,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 01:44:53,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 01:44:53,297 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0d98ef-f532-4859-822b-192f563b1042/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-23 01:44:53,346 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 01:44:53,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 01:44:53,347 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 01:44:53,348 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 01:44:53,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 01:44:53,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 01:44:53,350 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 01:44:53,350 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-23 01:44:53,350 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-23 01:44:53,350 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-23 01:44:53,351 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-23 01:44:53,352 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-23 01:44:53,352 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-23 01:44:53,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 01:44:53,353 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 01:44:53,353 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 01:44:53,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 01:44:53,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 01:44:53,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 01:44:53,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-23 01:44:53,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-23 01:44:53,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-23 01:44:53,354 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 01:44:53,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 01:44:53,355 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-23 01:44:53,355 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 01:44:53,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-23 01:44:53,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 01:44:53,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 01:44:53,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 01:44:53,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 01:44:53,359 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-23 01:44:53,359 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_worker_vcloud-master_on_vcloud-master/run_dir_fc0d98ef-f532-4859-822b-192f563b1042/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0d98ef-f532-4859-822b-192f563b1042/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd7f84863cb412e83f8c5773a09de3282aa45b8f86409f0c880aae27635b0b5f [2022-11-23 01:44:53,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 01:44:53,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 01:44:53,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 01:44:53,679 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 01:44:53,683 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 01:44:53,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0d98ef-f532-4859-822b-192f563b1042/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2022-11-23 01:44:56,676 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 01:44:56,935 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 01:44:56,936 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0d98ef-f532-4859-822b-192f563b1042/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2022-11-23 01:44:56,946 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0d98ef-f532-4859-822b-192f563b1042/bin/uautomizer-QkZJyEgLgS/data/16974f94c/461475d18dbe4415bd194d4406ef98f8/FLAGcd28a0e08 [2022-11-23 01:44:56,960 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0d98ef-f532-4859-822b-192f563b1042/bin/uautomizer-QkZJyEgLgS/data/16974f94c/461475d18dbe4415bd194d4406ef98f8 [2022-11-23 01:44:56,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 01:44:56,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 01:44:56,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 01:44:56,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 01:44:56,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 01:44:56,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:56" (1/1) ... [2022-11-23 01:44:56,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e957c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:56, skipping insertion in model container [2022-11-23 01:44:56,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:56" (1/1) ... [2022-11-23 01:44:56,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 01:44:57,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 01:44:57,149 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0d98ef-f532-4859-822b-192f563b1042/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c[1605,1618] [2022-11-23 01:44:57,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:44:57,277 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 01:44:57,291 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0d98ef-f532-4859-822b-192f563b1042/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c[1605,1618] [2022-11-23 01:44:57,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:44:57,361 INFO L208 MainTranslator]: Completed translation [2022-11-23 01:44:57,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:57 WrapperNode [2022-11-23 01:44:57,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 01:44:57,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 01:44:57,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 01:44:57,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 01:44:57,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:57" (1/1) ... [2022-11-23 01:44:57,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:57" (1/1) ... [2022-11-23 01:44:57,409 INFO L138 Inliner]: procedures = 51, calls = 92, calls flagged for inlining = 45, calls inlined = 34, statements flattened = 229 [2022-11-23 01:44:57,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 01:44:57,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 01:44:57,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 01:44:57,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 01:44:57,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:57" (1/1) ... [2022-11-23 01:44:57,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:57" (1/1) ... [2022-11-23 01:44:57,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:57" (1/1) ... [2022-11-23 01:44:57,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:57" (1/1) ... [2022-11-23 01:44:57,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:57" (1/1) ... [2022-11-23 01:44:57,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:57" (1/1) ... [2022-11-23 01:44:57,433 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:57" (1/1) ... [2022-11-23 01:44:57,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:57" (1/1) ... [2022-11-23 01:44:57,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 01:44:57,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 01:44:57,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 01:44:57,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 01:44:57,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:57" (1/1) ... [2022-11-23 01:44:57,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:44:57,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0d98ef-f532-4859-822b-192f563b1042/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:44:57,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0d98ef-f532-4859-822b-192f563b1042/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:44:57,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0d98ef-f532-4859-822b-192f563b1042/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-23 01:44:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 01:44:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 01:44:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 01:44:57,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 01:44:57,628 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 01:44:57,631 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 01:44:57,836 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 01:44:57,844 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 01:44:57,845 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 01:44:57,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:57 BoogieIcfgContainer [2022-11-23 01:44:57,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 01:44:57,848 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-23 01:44:57,848 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-23 01:44:57,852 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-23 01:44:57,853 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 01:44:57,853 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 01:44:56" (1/3) ... [2022-11-23 01:44:57,854 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a72c380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:44:57, skipping insertion in model container [2022-11-23 01:44:57,855 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 01:44:57,855 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:57" (2/3) ... [2022-11-23 01:44:57,855 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a72c380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:44:57, skipping insertion in model container [2022-11-23 01:44:57,855 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 01:44:57,856 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:57" (3/3) ... [2022-11-23 01:44:57,857 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2022-11-23 01:44:57,934 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-23 01:44:57,944 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-23 01:44:57,944 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-23 01:44:57,945 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-23 01:44:57,945 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-23 01:44:57,945 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-23 01:44:57,945 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-23 01:44:57,945 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-23 01:44:57,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:44:57,997 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2022-11-23 01:44:57,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 01:44:57,998 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 01:44:58,003 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:44:58,003 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:44:58,003 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-23 01:44:58,004 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:44:58,008 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2022-11-23 01:44:58,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 01:44:58,008 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 01:44:58,009 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:44:58,009 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:44:58,015 INFO L748 eck$LassoCheckResult]: Stem: 56#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 46#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret25#1, main_~retValue_acc~4#1, main_~tmp~3#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 48#L873true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 18#L866true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 42#L881true main_#t~ret25#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret25#1;havoc main_#t~ret25#1; 34#L471true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 45#L445true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 22#L222-2true [2022-11-23 01:44:58,016 INFO L750 eck$LassoCheckResult]: Loop: 22#L222-2true assume !false; 73#L223true assume test_~splverifierCounter~0#1 < 4; 23#L224true test_~tmp~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 75#L232true assume !(0 != test_~tmp~1#1); 25#L232-2true test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 72#L242true assume !(0 != test_~tmp___0~0#1); 57#L242-2true test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 55#L252true assume 0 != test_~tmp___2~0#1; 10#L258-2true assume { :begin_inline_timeShift } true; 76#L76true assume !(0 != ~pumpRunning~0); 59#L76-2true assume !(0 != ~systemActive~0); 77#L83-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret18#1, __utac_acc__Specification4_spec__1_#t~ret19#1, __utac_acc__Specification4_spec__1_~tmp~2#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~2#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 79#L381true __utac_acc__Specification4_spec__1_#t~ret18#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~2#1 := __utac_acc__Specification4_spec__1_#t~ret18#1;havoc __utac_acc__Specification4_spec__1_#t~ret18#1; 35#L288true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~2#1); 74#L288-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 43#L93true assume { :end_inline_timeShift } true; 22#L222-2true [2022-11-23 01:44:58,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:44:58,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-23 01:44:58,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:44:58,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406575090] [2022-11-23 01:44:58,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:44:58,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:44:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:44:58,161 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:44:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:44:58,207 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:44:58,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:44:58,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1802262020, now seen corresponding path program 1 times [2022-11-23 01:44:58,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:44:58,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687899822] [2022-11-23 01:44:58,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:44:58,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:44:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:44:58,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:44:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:44:58,245 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:44:58,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:44:58,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1137286200, now seen corresponding path program 1 times [2022-11-23 01:44:58,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:44:58,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160154250] [2022-11-23 01:44:58,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:44:58,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:44:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:44:58,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:44:58,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:44:58,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160154250] [2022-11-23 01:44:58,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160154250] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:44:58,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:44:58,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 01:44:58,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927139318] [2022-11-23 01:44:58,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:44:58,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:44:58,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 01:44:58,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 01:44:58,707 INFO L87 Difference]: Start difference. First operand has 79 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:44:58,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:44:58,902 INFO L93 Difference]: Finished difference Result 209 states and 263 transitions. [2022-11-23 01:44:58,903 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 263 transitions. [2022-11-23 01:44:58,910 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 131 [2022-11-23 01:44:58,927 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 179 states and 233 transitions. [2022-11-23 01:44:58,928 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2022-11-23 01:44:58,929 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2022-11-23 01:44:58,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 233 transitions. [2022-11-23 01:44:58,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 01:44:58,931 INFO L218 hiAutomatonCegarLoop]: Abstraction has 179 states and 233 transitions. [2022-11-23 01:44:58,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 233 transitions. [2022-11-23 01:44:58,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 118. [2022-11-23 01:44:58,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 118 states have (on average 1.305084745762712) internal successors, (154), 117 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:44:58,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 154 transitions. [2022-11-23 01:44:58,968 INFO L240 hiAutomatonCegarLoop]: Abstraction has 118 states and 154 transitions. [2022-11-23 01:44:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 01:44:58,977 INFO L428 stractBuchiCegarLoop]: Abstraction has 118 states and 154 transitions. [2022-11-23 01:44:58,977 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-23 01:44:58,977 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states and 154 transitions. [2022-11-23 01:44:58,979 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 86 [2022-11-23 01:44:58,980 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 01:44:58,980 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 01:44:58,980 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:44:58,980 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:44:58,981 INFO L748 eck$LassoCheckResult]: Stem: 365#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 361#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret25#1, main_~retValue_acc~4#1, main_~tmp~3#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 362#L873 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 330#L866 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 331#L881 main_#t~ret25#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret25#1;havoc main_#t~ret25#1; 351#L471 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 352#L445 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 336#L222-2 [2022-11-23 01:44:58,981 INFO L750 eck$LassoCheckResult]: Loop: 336#L222-2 assume !false; 337#L223 assume test_~splverifierCounter~0#1 < 4; 338#L224 test_~tmp~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 339#L232 assume !(0 != test_~tmp~1#1); 307#L232-2 test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 343#L242 assume !(0 != test_~tmp___0~0#1); 340#L242-2 test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 364#L252 assume 0 != test_~tmp___2~0#1; 313#L258-2 assume { :begin_inline_timeShift } true; 314#L76 assume !(0 != ~pumpRunning~0); 335#L76-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 366#L100 assume { :end_inline_processEnvironment } true; 369#L83-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret18#1, __utac_acc__Specification4_spec__1_#t~ret19#1, __utac_acc__Specification4_spec__1_~tmp~2#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~2#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 372#L381 __utac_acc__Specification4_spec__1_#t~ret18#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~2#1 := __utac_acc__Specification4_spec__1_#t~ret18#1;havoc __utac_acc__Specification4_spec__1_#t~ret18#1; 353#L288 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~2#1); 350#L288-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 360#L93 assume { :end_inline_timeShift } true; 336#L222-2 [2022-11-23 01:44:58,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:44:58,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-23 01:44:58,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:44:58,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193001254] [2022-11-23 01:44:58,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:44:58,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:44:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:44:58,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:44:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:44:59,006 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:44:59,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:44:59,007 INFO L85 PathProgramCache]: Analyzing trace with hash 663627436, now seen corresponding path program 1 times [2022-11-23 01:44:59,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:44:59,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085346596] [2022-11-23 01:44:59,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:44:59,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:44:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:44:59,015 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:44:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:44:59,021 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:44:59,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:44:59,022 INFO L85 PathProgramCache]: Analyzing trace with hash -268054168, now seen corresponding path program 1 times [2022-11-23 01:44:59,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:44:59,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341322955] [2022-11-23 01:44:59,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:44:59,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:44:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:44:59,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:44:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:44:59,067 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:45:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:45:00,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:45:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:45:00,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 01:45:00 BoogieIcfgContainer [2022-11-23 01:45:00,131 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-23 01:45:00,132 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 01:45:00,132 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 01:45:00,132 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 01:45:00,132 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:57" (3/4) ... [2022-11-23 01:45:00,137 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-23 01:45:00,194 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0d98ef-f532-4859-822b-192f563b1042/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 01:45:00,194 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 01:45:00,195 INFO L158 Benchmark]: Toolchain (without parser) took 3230.71ms. Allocated memory is still 186.6MB. Free memory was 152.2MB in the beginning and 132.5MB in the end (delta: 19.7MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2022-11-23 01:45:00,195 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 146.8MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:45:00,196 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.18ms. Allocated memory is still 186.6MB. Free memory was 152.2MB in the beginning and 134.3MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 01:45:00,196 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.14ms. Allocated memory is still 186.6MB. Free memory was 134.3MB in the beginning and 132.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:45:00,196 INFO L158 Benchmark]: Boogie Preprocessor took 26.70ms. Allocated memory is still 186.6MB. Free memory was 132.2MB in the beginning and 130.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:45:00,197 INFO L158 Benchmark]: RCFGBuilder took 409.68ms. Allocated memory is still 186.6MB. Free memory was 130.1MB in the beginning and 115.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 01:45:00,197 INFO L158 Benchmark]: BuchiAutomizer took 2282.95ms. Allocated memory is still 186.6MB. Free memory was 115.5MB in the beginning and 134.6MB in the end (delta: -19.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:45:00,198 INFO L158 Benchmark]: Witness Printer took 62.86ms. Allocated memory is still 186.6MB. Free memory was 134.6MB in the beginning and 132.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:45:00,199 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 146.8MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.18ms. Allocated memory is still 186.6MB. Free memory was 152.2MB in the beginning and 134.3MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.14ms. Allocated memory is still 186.6MB. Free memory was 134.3MB in the beginning and 132.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.70ms. Allocated memory is still 186.6MB. Free memory was 132.2MB in the beginning and 130.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 409.68ms. Allocated memory is still 186.6MB. Free memory was 130.1MB in the beginning and 115.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2282.95ms. Allocated memory is still 186.6MB. Free memory was 115.5MB in the beginning and 134.6MB in the end (delta: -19.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 62.86ms. Allocated memory is still 186.6MB. Free memory was 134.6MB in the beginning and 132.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 118 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 334 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 334 mSDsluCounter, 654 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 563 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 91 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown 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 InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 222]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L68] int pumpRunning = 0; [L69] int systemActive = 1; [L306] int waterLevel = 1; [L307] int methaneLevelCritical = 0; [L386] int cleanupTimeShifts = 4; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L462] int retValue_acc ; [L463] int tmp ; [L467] FCALL select_helpers() [L468] FCALL select_features() [L469] CALL, EXPR valid_product() [L877] int retValue_acc ; [L880] retValue_acc = 1 [L881] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L469] RET, EXPR valid_product() [L469] tmp = valid_product() [L471] COND TRUE \read(tmp) [L473] FCALL setup() [L474] CALL runTest() [L453] CALL test() [L213] int splverifierCounter ; [L214] int tmp ; [L215] int tmp___0 ; [L216] int tmp___1 ; [L217] int tmp___2 ; [L220] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L222] COND TRUE 1 [L224] COND TRUE splverifierCounter < 4 [L230] tmp = __VERIFIER_nondet_int() [L232] COND FALSE !(\read(tmp)) [L240] tmp___0 = __VERIFIER_nondet_int() [L242] COND FALSE !(\read(tmp___0)) [L250] tmp___2 = __VERIFIER_nondet_int() [L252] COND TRUE \read(tmp___2) [L267] CALL timeShift() [L76] COND FALSE !(\read(pumpRunning)) [L83] COND TRUE \read(systemActive) [L85] FCALL processEnvironment() [L91] CALL __utac_acc__Specification4_spec__1() [L281] int tmp ; [L282] int tmp___0 ; [L286] CALL, EXPR getWaterLevel() [L377] int retValue_acc ; [L380] retValue_acc = waterLevel [L381] return (retValue_acc); [L286] RET, EXPR getWaterLevel() [L286] tmp = getWaterLevel() [L288] COND FALSE !(tmp == 0) [L91] RET __utac_acc__Specification4_spec__1() [L267] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 222]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L68] int pumpRunning = 0; [L69] int systemActive = 1; [L306] int waterLevel = 1; [L307] int methaneLevelCritical = 0; [L386] int cleanupTimeShifts = 4; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L462] int retValue_acc ; [L463] int tmp ; [L467] FCALL select_helpers() [L468] FCALL select_features() [L469] CALL, EXPR valid_product() [L877] int retValue_acc ; [L880] retValue_acc = 1 [L881] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L469] RET, EXPR valid_product() [L469] tmp = valid_product() [L471] COND TRUE \read(tmp) [L473] FCALL setup() [L474] CALL runTest() [L453] CALL test() [L213] int splverifierCounter ; [L214] int tmp ; [L215] int tmp___0 ; [L216] int tmp___1 ; [L217] int tmp___2 ; [L220] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L222] COND TRUE 1 [L224] COND TRUE splverifierCounter < 4 [L230] tmp = __VERIFIER_nondet_int() [L232] COND FALSE !(\read(tmp)) [L240] tmp___0 = __VERIFIER_nondet_int() [L242] COND FALSE !(\read(tmp___0)) [L250] tmp___2 = __VERIFIER_nondet_int() [L252] COND TRUE \read(tmp___2) [L267] CALL timeShift() [L76] COND FALSE !(\read(pumpRunning)) [L83] COND TRUE \read(systemActive) [L85] FCALL processEnvironment() [L91] CALL __utac_acc__Specification4_spec__1() [L281] int tmp ; [L282] int tmp___0 ; [L286] CALL, EXPR getWaterLevel() [L377] int retValue_acc ; [L380] retValue_acc = waterLevel [L381] return (retValue_acc); [L286] RET, EXPR getWaterLevel() [L286] tmp = getWaterLevel() [L288] COND FALSE !(tmp == 0) [L91] RET __utac_acc__Specification4_spec__1() [L267] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-23 01:45:00,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0d98ef-f532-4859-822b-192f563b1042/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)