./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b 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_36195702-93b8-4718-bacf-bc5666e32e63/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36195702-93b8-4718-bacf-bc5666e32e63/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36195702-93b8-4718-bacf-bc5666e32e63/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36195702-93b8-4718-bacf-bc5666e32e63/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36195702-93b8-4718-bacf-bc5666e32e63/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36195702-93b8-4718-bacf-bc5666e32e63/bin/uautomizer-ug76WZFUDN --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 589282c7075ad677d11d7e5d6747c3f882de49697a3649a6296f51163d1d51b5 --- 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-6b4ec56 [2022-11-20 12:46:43,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:46:43,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:46:43,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:46:43,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:46:43,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:46:43,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:46:43,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:46:43,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:46:43,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:46:43,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:46:43,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:46:43,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:46:43,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:46:43,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:46:43,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:46:43,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:46:43,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:46:43,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:46:43,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:46:43,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:46:43,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:46:43,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:46:43,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:46:43,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:46:43,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:46:43,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:46:43,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:46:43,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:46:43,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:46:43,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:46:43,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:46:43,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:46:43,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:46:43,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:46:43,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:46:43,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:46:43,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:46:43,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:46:43,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:46:43,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:46:43,404 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36195702-93b8-4718-bacf-bc5666e32e63/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 12:46:43,457 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:46:43,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:46:43,458 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:46:43,458 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:46:43,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:46:43,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:46:43,460 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:46:43,460 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 12:46:43,461 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 12:46:43,461 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 12:46:43,461 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 12:46:43,461 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 12:46:43,462 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 12:46:43,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:46:43,462 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:46:43,462 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:46:43,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:46:43,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:46:43,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:46:43,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 12:46:43,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 12:46:43,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 12:46:43,464 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:46:43,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:46:43,465 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 12:46:43,465 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:46:43,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 12:46:43,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:46:43,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:46:43,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:46:43,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:46:43,467 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 12:46:43,468 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_36195702-93b8-4718-bacf-bc5666e32e63/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36195702-93b8-4718-bacf-bc5666e32e63/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 589282c7075ad677d11d7e5d6747c3f882de49697a3649a6296f51163d1d51b5 [2022-11-20 12:46:43,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:46:43,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:46:43,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:46:43,847 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:46:43,847 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:46:43,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36195702-93b8-4718-bacf-bc5666e32e63/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2022-11-20 12:46:47,468 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:46:47,831 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:46:47,832 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36195702-93b8-4718-bacf-bc5666e32e63/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2022-11-20 12:46:47,846 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36195702-93b8-4718-bacf-bc5666e32e63/bin/uautomizer-ug76WZFUDN/data/5a507b02d/612e20111785406987da0452f68eda11/FLAGdf9922170 [2022-11-20 12:46:47,873 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36195702-93b8-4718-bacf-bc5666e32e63/bin/uautomizer-ug76WZFUDN/data/5a507b02d/612e20111785406987da0452f68eda11 [2022-11-20 12:46:47,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:46:47,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:46:47,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:46:47,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:46:47,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:46:47,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:46:47" (1/1) ... [2022-11-20 12:46:47,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49d549e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:47, skipping insertion in model container [2022-11-20 12:46:47,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:46:47" (1/1) ... [2022-11-20 12:46:47,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:46:47,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:46:48,143 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_36195702-93b8-4718-bacf-bc5666e32e63/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c[1605,1618] [2022-11-20 12:46:48,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:46:48,394 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:46:48,421 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_36195702-93b8-4718-bacf-bc5666e32e63/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c[1605,1618] [2022-11-20 12:46:48,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:46:48,554 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:46:48,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:48 WrapperNode [2022-11-20 12:46:48,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:46:48,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:46:48,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:46:48,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:46:48,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:48" (1/1) ... [2022-11-20 12:46:48,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:48" (1/1) ... [2022-11-20 12:46:48,662 INFO L138 Inliner]: procedures = 54, calls = 96, calls flagged for inlining = 49, calls inlined = 50, statements flattened = 344 [2022-11-20 12:46:48,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:46:48,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:46:48,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:46:48,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:46:48,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:48" (1/1) ... [2022-11-20 12:46:48,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:48" (1/1) ... [2022-11-20 12:46:48,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:48" (1/1) ... [2022-11-20 12:46:48,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:48" (1/1) ... [2022-11-20 12:46:48,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:48" (1/1) ... [2022-11-20 12:46:48,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:48" (1/1) ... [2022-11-20 12:46:48,710 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:48" (1/1) ... [2022-11-20 12:46:48,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:48" (1/1) ... [2022-11-20 12:46:48,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:46:48,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:46:48,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:46:48,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:46:48,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:48" (1/1) ... [2022-11-20 12:46:48,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:46:48,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36195702-93b8-4718-bacf-bc5666e32e63/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:48,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36195702-93b8-4718-bacf-bc5666e32e63/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:48,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36195702-93b8-4718-bacf-bc5666e32e63/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 12:46:48,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:46:48,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:46:48,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:46:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:46:48,959 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:46:48,962 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:46:49,381 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:46:49,390 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:46:49,396 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 12:46:49,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:46:49 BoogieIcfgContainer [2022-11-20 12:46:49,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:46:49,401 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 12:46:49,401 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 12:46:49,406 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 12:46:49,419 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:46:49,420 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:46:47" (1/3) ... [2022-11-20 12:46:49,421 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e06b557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:46:49, skipping insertion in model container [2022-11-20 12:46:49,421 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:46:49,422 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:48" (2/3) ... [2022-11-20 12:46:49,422 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e06b557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:46:49, skipping insertion in model container [2022-11-20 12:46:49,422 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:46:49,423 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:46:49" (3/3) ... [2022-11-20 12:46:49,424 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product19.cil.c [2022-11-20 12:46:49,524 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 12:46:49,525 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 12:46:49,525 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 12:46:49,525 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 12:46:49,525 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 12:46:49,525 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 12:46:49,525 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 12:46:49,526 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 12:46:49,531 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.3761467889908257) internal successors, (150), 109 states have internal predecessors, (150), 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) [2022-11-20 12:46:49,560 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2022-11-20 12:46:49,561 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:46:49,561 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:46:49,569 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:46:49,569 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:46:49,569 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 12:46:49,570 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.3761467889908257) internal successors, (150), 109 states have internal predecessors, (150), 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) [2022-11-20 12:46:49,578 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2022-11-20 12:46:49,578 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:46:49,579 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:46:49,580 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:46:49,580 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:46:49,587 INFO L748 eck$LassoCheckResult]: Stem: 100#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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 37#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret32#1, main_~retValue_acc~6#1, main_~tmp~3#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 71#L924true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 93#L917true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 67#L932true main_#t~ret32#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret32#1;havoc main_#t~ret32#1; 43#L611true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 108#L582true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 22#L632true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 101#L845-2true [2022-11-20 12:46:49,588 INFO L750 eck$LassoCheckResult]: Loop: 101#L845-2true assume !false; 12#L846true assume test_~splverifierCounter~0#1 < 4; 90#L847true test_~tmp~7#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 10#L855true assume !(0 != test_~tmp~7#1); 82#L855-2true test_~tmp___0~2#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 87#L865true assume !(0 != test_~tmp___0~2#1); 26#L865-2true test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 9#L875true assume 0 != test_~tmp___2~0#1; 3#L881-2true assume { :begin_inline_timeShift } true; 51#L675true assume !(0 != ~pumpRunning~0); 17#L675-2true assume !(0 != ~systemActive~0); 21#L682-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret33#1, __utac_acc__Specification2_spec__2_#t~ret34#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~4#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 57#L475true __utac_acc__Specification2_spec__2_#t~ret33#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~4#1 := __utac_acc__Specification2_spec__2_#t~ret33#1;havoc __utac_acc__Specification2_spec__2_#t~ret33#1; 32#L643true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4#1);~methAndRunningLastTime~0 := 0; 76#L643-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 34#L692true assume { :end_inline_timeShift } true; 101#L845-2true [2022-11-20 12:46:49,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:49,594 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-20 12:46:49,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:46:49,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449448300] [2022-11-20 12:46:49,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:49,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:46:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:49,851 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:46:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:49,928 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:46:49,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:49,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1032421930, now seen corresponding path program 1 times [2022-11-20 12:46:49,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:46:49,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303043979] [2022-11-20 12:46:49,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:49,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:46:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:49,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:46:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:49,986 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:46:49,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:49,988 INFO L85 PathProgramCache]: Analyzing trace with hash 870134547, now seen corresponding path program 1 times [2022-11-20 12:46:49,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:46:49,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204316604] [2022-11-20 12:46:49,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:49,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:46:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:46:50,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:46:50,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:46:50,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204316604] [2022-11-20 12:46:50,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204316604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:46:50,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:46:50,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:46:50,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814822104] [2022-11-20 12:46:50,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:46:50,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:46:50,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:46:50,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:46:50,685 INFO L87 Difference]: Start difference. First operand has 110 states, 109 states have (on average 1.3761467889908257) internal successors, (150), 109 states have internal predecessors, (150), 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 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2022-11-20 12:46:50,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:46:50,879 INFO L93 Difference]: Finished difference Result 273 states and 354 transitions. [2022-11-20 12:46:50,881 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 273 states and 354 transitions. [2022-11-20 12:46:50,899 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 173 [2022-11-20 12:46:50,915 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 273 states to 243 states and 324 transitions. [2022-11-20 12:46:50,917 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 243 [2022-11-20 12:46:50,923 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 243 [2022-11-20 12:46:50,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 243 states and 324 transitions. [2022-11-20 12:46:50,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:46:50,927 INFO L218 hiAutomatonCegarLoop]: Abstraction has 243 states and 324 transitions. [2022-11-20 12:46:50,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states and 324 transitions. [2022-11-20 12:46:50,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 152. [2022-11-20 12:46:50,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 152 states have (on average 1.3355263157894737) internal successors, (203), 151 states have internal predecessors, (203), 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) [2022-11-20 12:46:50,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 203 transitions. [2022-11-20 12:46:51,000 INFO L240 hiAutomatonCegarLoop]: Abstraction has 152 states and 203 transitions. [2022-11-20 12:46:51,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:46:51,010 INFO L428 stractBuchiCegarLoop]: Abstraction has 152 states and 203 transitions. [2022-11-20 12:46:51,010 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 12:46:51,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 152 states and 203 transitions. [2022-11-20 12:46:51,013 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 108 [2022-11-20 12:46:51,013 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:46:51,013 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:46:51,014 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:46:51,014 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:46:51,015 INFO L748 eck$LassoCheckResult]: Stem: 496#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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 458#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret32#1, main_~retValue_acc~6#1, main_~tmp~3#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 459#L924 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 487#L917 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 483#L932 main_#t~ret32#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret32#1;havoc main_#t~ret32#1; 468#L611 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 469#L582 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 439#L632 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 440#L845-2 [2022-11-20 12:46:51,015 INFO L750 eck$LassoCheckResult]: Loop: 440#L845-2 assume !false; 421#L846 assume test_~splverifierCounter~0#1 < 4; 422#L847 test_~tmp~7#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 416#L855 assume !(0 != test_~tmp~7#1); 418#L855-2 test_~tmp___0~2#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 491#L865 assume !(0 != test_~tmp___0~2#1); 420#L865-2 test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 414#L875 assume 0 != test_~tmp___2~0#1; 401#L881-2 assume { :begin_inline_timeShift } true; 402#L675 assume !(0 != ~pumpRunning~0); 429#L675-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret35#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 430#L707 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 479#L699-1 assume { :end_inline_processEnvironment__wrappee__base } true; 466#L707-1 assume { :end_inline_processEnvironment } true; 437#L682-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret33#1, __utac_acc__Specification2_spec__2_#t~ret34#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~4#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 438#L475 __utac_acc__Specification2_spec__2_#t~ret33#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~4#1 := __utac_acc__Specification2_spec__2_#t~ret33#1;havoc __utac_acc__Specification2_spec__2_#t~ret33#1; 450#L643 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4#1);~methAndRunningLastTime~0 := 0; 451#L643-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 453#L692 assume { :end_inline_timeShift } true; 440#L845-2 [2022-11-20 12:46:51,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:51,016 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-20 12:46:51,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:46:51,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463380374] [2022-11-20 12:46:51,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:51,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:46:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:51,031 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:46:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:51,043 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:46:51,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:51,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1377565590, now seen corresponding path program 1 times [2022-11-20 12:46:51,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:46:51,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875187642] [2022-11-20 12:46:51,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:51,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:46:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:51,052 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:46:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:51,060 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:46:51,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:51,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1487653363, now seen corresponding path program 1 times [2022-11-20 12:46:51,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:46:51,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988029180] [2022-11-20 12:46:51,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:51,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:46:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:51,076 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:46:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:51,093 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:46:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:52,475 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:46:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:52,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:46:52 BoogieIcfgContainer [2022-11-20 12:46:52,557 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 12:46:52,557 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:46:52,557 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:46:52,558 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:46:52,558 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:46:49" (3/4) ... [2022-11-20 12:46:52,562 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-20 12:46:52,652 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36195702-93b8-4718-bacf-bc5666e32e63/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:46:52,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:46:52,654 INFO L158 Benchmark]: Toolchain (without parser) took 4775.92ms. Allocated memory is still 182.5MB. Free memory was 152.6MB in the beginning and 113.1MB in the end (delta: 39.5MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2022-11-20 12:46:52,655 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 132.1MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:46:52,655 INFO L158 Benchmark]: CACSL2BoogieTranslator took 675.82ms. Allocated memory is still 182.5MB. Free memory was 152.4MB in the beginning and 137.1MB in the end (delta: 15.3MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2022-11-20 12:46:52,656 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.18ms. Allocated memory is still 182.5MB. Free memory was 137.1MB in the beginning and 134.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:46:52,657 INFO L158 Benchmark]: Boogie Preprocessor took 68.47ms. Allocated memory is still 182.5MB. Free memory was 134.2MB in the beginning and 132.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:46:52,657 INFO L158 Benchmark]: RCFGBuilder took 656.88ms. Allocated memory is still 182.5MB. Free memory was 132.0MB in the beginning and 114.0MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 12:46:52,658 INFO L158 Benchmark]: BuchiAutomizer took 3155.61ms. Allocated memory is still 182.5MB. Free memory was 114.0MB in the beginning and 115.2MB in the end (delta: -1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:46:52,658 INFO L158 Benchmark]: Witness Printer took 96.16ms. Allocated memory is still 182.5MB. Free memory was 115.2MB in the beginning and 113.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:46:52,665 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 132.1MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 675.82ms. Allocated memory is still 182.5MB. Free memory was 152.4MB in the beginning and 137.1MB in the end (delta: 15.3MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.18ms. Allocated memory is still 182.5MB. Free memory was 137.1MB in the beginning and 134.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.47ms. Allocated memory is still 182.5MB. Free memory was 134.2MB in the beginning and 132.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 656.88ms. Allocated memory is still 182.5MB. Free memory was 132.0MB in the beginning and 114.0MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 3155.61ms. Allocated memory is still 182.5MB. Free memory was 114.0MB in the beginning and 115.2MB in the end (delta: -1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 96.16ms. Allocated memory is still 182.5MB. Free memory was 115.2MB in the beginning and 113.1MB 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 152 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 91 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, 505 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 505 mSDsluCounter, 847 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 713 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 134 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: 845]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L432] int waterLevel = 1; [L433] int methaneLevelCritical = 0; [L521] int cleanupTimeShifts = 4; [L626] int methAndRunningLastTime ; [L668] int pumpRunning = 0; [L669] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L602] int retValue_acc ; [L603] int tmp ; [L607] FCALL select_helpers() [L608] FCALL select_features() [L609] CALL, EXPR valid_product() [L928] int retValue_acc ; [L931] retValue_acc = 1 [L932] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L609] RET, EXPR valid_product() [L609] tmp = valid_product() [L611] COND TRUE \read(tmp) [L613] FCALL setup() [L614] CALL runTest() [L592] CALL __utac_acc__Specification2_spec__1() [L631] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L592] RET __utac_acc__Specification2_spec__1() [L593] CALL test() [L836] int splverifierCounter ; [L837] int tmp ; [L838] int tmp___0 ; [L839] int tmp___1 ; [L840] int tmp___2 ; [L843] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L845] COND TRUE 1 [L847] COND TRUE splverifierCounter < 4 [L853] tmp = __VERIFIER_nondet_int() [L855] COND FALSE !(\read(tmp)) [L863] tmp___0 = __VERIFIER_nondet_int() [L865] COND FALSE !(\read(tmp___0)) [L873] tmp___2 = __VERIFIER_nondet_int() [L875] COND TRUE \read(tmp___2) [L890] CALL timeShift() [L675] COND FALSE !(\read(pumpRunning)) [L682] COND TRUE \read(systemActive) [L684] CALL processEnvironment() [L704] int tmp ; [L707] COND FALSE !(\read(pumpRunning)) [L722] FCALL processEnvironment__wrappee__base() [L684] RET processEnvironment() [L690] CALL __utac_acc__Specification2_spec__2() [L636] int tmp ; [L637] int tmp___0 ; [L641] CALL, EXPR isMethaneLevelCritical() [L471] int retValue_acc ; [L474] retValue_acc = methaneLevelCritical [L475] return (retValue_acc); [L641] RET, EXPR isMethaneLevelCritical() [L641] tmp = isMethaneLevelCritical() [L643] COND FALSE !(\read(tmp)) [L659] methAndRunningLastTime = 0 [L690] RET __utac_acc__Specification2_spec__2() [L890] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 845]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L432] int waterLevel = 1; [L433] int methaneLevelCritical = 0; [L521] int cleanupTimeShifts = 4; [L626] int methAndRunningLastTime ; [L668] int pumpRunning = 0; [L669] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L602] int retValue_acc ; [L603] int tmp ; [L607] FCALL select_helpers() [L608] FCALL select_features() [L609] CALL, EXPR valid_product() [L928] int retValue_acc ; [L931] retValue_acc = 1 [L932] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L609] RET, EXPR valid_product() [L609] tmp = valid_product() [L611] COND TRUE \read(tmp) [L613] FCALL setup() [L614] CALL runTest() [L592] CALL __utac_acc__Specification2_spec__1() [L631] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L592] RET __utac_acc__Specification2_spec__1() [L593] CALL test() [L836] int splverifierCounter ; [L837] int tmp ; [L838] int tmp___0 ; [L839] int tmp___1 ; [L840] int tmp___2 ; [L843] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L845] COND TRUE 1 [L847] COND TRUE splverifierCounter < 4 [L853] tmp = __VERIFIER_nondet_int() [L855] COND FALSE !(\read(tmp)) [L863] tmp___0 = __VERIFIER_nondet_int() [L865] COND FALSE !(\read(tmp___0)) [L873] tmp___2 = __VERIFIER_nondet_int() [L875] COND TRUE \read(tmp___2) [L890] CALL timeShift() [L675] COND FALSE !(\read(pumpRunning)) [L682] COND TRUE \read(systemActive) [L684] CALL processEnvironment() [L704] int tmp ; [L707] COND FALSE !(\read(pumpRunning)) [L722] FCALL processEnvironment__wrappee__base() [L684] RET processEnvironment() [L690] CALL __utac_acc__Specification2_spec__2() [L636] int tmp ; [L637] int tmp___0 ; [L641] CALL, EXPR isMethaneLevelCritical() [L471] int retValue_acc ; [L474] retValue_acc = methaneLevelCritical [L475] return (retValue_acc); [L641] RET, EXPR isMethaneLevelCritical() [L641] tmp = isMethaneLevelCritical() [L643] COND FALSE !(\read(tmp)) [L659] methAndRunningLastTime = 0 [L690] RET __utac_acc__Specification2_spec__2() [L890] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 12:46:52,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36195702-93b8-4718-bacf-bc5666e32e63/bin/uautomizer-ug76WZFUDN/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)