./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fce3b3-2e3f-4bb8-a158-0866dc10da75/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fce3b3-2e3f-4bb8-a158-0866dc10da75/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_70fce3b3-2e3f-4bb8-a158-0866dc10da75/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fce3b3-2e3f-4bb8-a158-0866dc10da75/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fce3b3-2e3f-4bb8-a158-0866dc10da75/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_70fce3b3-2e3f-4bb8-a158-0866dc10da75/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 1f55fffdfb523946c08e4798dfd7a981dcf70594f408e958cce4b1b6e97bd924 --- 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 10:49:14,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:49:14,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:49:14,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:49:14,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:49:14,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:49:14,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:49:14,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:49:14,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:49:14,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:49:14,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:49:14,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:49:14,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:49:14,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:49:14,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:49:14,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:49:14,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:49:14,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:49:14,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:49:14,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:49:14,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:49:14,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:49:14,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:49:14,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:49:14,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:49:14,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:49:14,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:49:14,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:49:14,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:49:14,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:49:14,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:49:14,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:49:14,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:49:14,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:49:14,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:49:14,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:49:14,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:49:14,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:49:14,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:49:14,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:49:14,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:49:14,291 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fce3b3-2e3f-4bb8-a158-0866dc10da75/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 10:49:14,312 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:49:14,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:49:14,313 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:49:14,313 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:49:14,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:49:14,315 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:49:14,315 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:49:14,315 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 10:49:14,315 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 10:49:14,315 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 10:49:14,316 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 10:49:14,316 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 10:49:14,316 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 10:49:14,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:49:14,317 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:49:14,317 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:49:14,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:49:14,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:49:14,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:49:14,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 10:49:14,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 10:49:14,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 10:49:14,318 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:49:14,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:49:14,319 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 10:49:14,319 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:49:14,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 10:49:14,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:49:14,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:49:14,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:49:14,320 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:49:14,321 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 10:49:14,321 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_70fce3b3-2e3f-4bb8-a158-0866dc10da75/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fce3b3-2e3f-4bb8-a158-0866dc10da75/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f55fffdfb523946c08e4798dfd7a981dcf70594f408e958cce4b1b6e97bd924 [2022-11-20 10:49:14,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:49:14,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:49:14,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:49:14,634 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:49:14,634 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:49:14,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fce3b3-2e3f-4bb8-a158-0866dc10da75/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2022-11-20 10:49:17,737 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:49:18,016 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:49:18,017 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fce3b3-2e3f-4bb8-a158-0866dc10da75/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2022-11-20 10:49:18,041 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fce3b3-2e3f-4bb8-a158-0866dc10da75/bin/uautomizer-ug76WZFUDN/data/bc28ca2ab/1714187b547d46eba9953b6126fb95b2/FLAG47beb2e66 [2022-11-20 10:49:18,057 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fce3b3-2e3f-4bb8-a158-0866dc10da75/bin/uautomizer-ug76WZFUDN/data/bc28ca2ab/1714187b547d46eba9953b6126fb95b2 [2022-11-20 10:49:18,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:49:18,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:49:18,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:49:18,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:49:18,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:49:18,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:49:18" (1/1) ... [2022-11-20 10:49:18,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75b5170d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:18, skipping insertion in model container [2022-11-20 10:49:18,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:49:18" (1/1) ... [2022-11-20 10:49:18,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:49:18,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:49:18,269 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_70fce3b3-2e3f-4bb8-a158-0866dc10da75/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c[1605,1618] [2022-11-20 10:49:18,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:49:18,422 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:49:18,437 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_70fce3b3-2e3f-4bb8-a158-0866dc10da75/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c[1605,1618] [2022-11-20 10:49:18,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:49:18,501 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:49:18,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:18 WrapperNode [2022-11-20 10:49:18,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:49:18,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:49:18,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:49:18,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:49:18,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:18" (1/1) ... [2022-11-20 10:49:18,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:18" (1/1) ... [2022-11-20 10:49:18,568 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 56, calls inlined = 138, statements flattened = 961 [2022-11-20 10:49:18,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:49:18,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:49:18,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:49:18,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:49:18,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:18" (1/1) ... [2022-11-20 10:49:18,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:18" (1/1) ... [2022-11-20 10:49:18,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:18" (1/1) ... [2022-11-20 10:49:18,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:18" (1/1) ... [2022-11-20 10:49:18,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:18" (1/1) ... [2022-11-20 10:49:18,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:18" (1/1) ... [2022-11-20 10:49:18,640 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:18" (1/1) ... [2022-11-20 10:49:18,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:18" (1/1) ... [2022-11-20 10:49:18,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:49:18,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:49:18,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:49:18,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:49:18,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:18" (1/1) ... [2022-11-20 10:49:18,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:49:18,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fce3b3-2e3f-4bb8-a158-0866dc10da75/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:49:18,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fce3b3-2e3f-4bb8-a158-0866dc10da75/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:49:18,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fce3b3-2e3f-4bb8-a158-0866dc10da75/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 10:49:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:49:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:49:18,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:49:18,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:49:18,851 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:49:18,853 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:49:19,554 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:49:19,578 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:49:19,579 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 10:49:19,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:49:19 BoogieIcfgContainer [2022-11-20 10:49:19,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:49:19,585 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 10:49:19,585 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 10:49:19,589 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 10:49:19,590 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:49:19,590 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:49:18" (1/3) ... [2022-11-20 10:49:19,591 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52843db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:49:19, skipping insertion in model container [2022-11-20 10:49:19,591 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:49:19,592 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:18" (2/3) ... [2022-11-20 10:49:19,592 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52843db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:49:19, skipping insertion in model container [2022-11-20 10:49:19,592 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:49:19,592 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:49:19" (3/3) ... [2022-11-20 10:49:19,594 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product53.cil.c [2022-11-20 10:49:19,670 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 10:49:19,670 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 10:49:19,670 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 10:49:19,670 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 10:49:19,671 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 10:49:19,671 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 10:49:19,672 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 10:49:19,672 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 10:49:19,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 274 states, 273 states have (on average 1.3772893772893773) internal successors, (376), 273 states have internal predecessors, (376), 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 10:49:19,745 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 178 [2022-11-20 10:49:19,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:49:19,747 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:49:19,756 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:49:19,756 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 10:49:19,756 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 10:49:19,757 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 274 states, 273 states have (on average 1.3772893772893773) internal successors, (376), 273 states have internal predecessors, (376), 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 10:49:19,774 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 178 [2022-11-20 10:49:19,775 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:49:19,775 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:49:19,778 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:49:19,779 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 10:49:19,785 INFO L748 eck$LassoCheckResult]: Stem: 258#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 196#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 216#L992true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 30#L985true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 113#L1000true main_#t~ret47#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 168#L852true assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 143#L825true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 105#L733true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 32#L73-2true [2022-11-20 10:49:19,788 INFO L750 eck$LassoCheckResult]: Loop: 32#L73-2true assume !false; 224#L74true assume test_~splverifierCounter~0#1 < 4; 213#L75true test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 18#L83true assume !(0 != test_~tmp~0#1); 130#L83-2true test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 36#L93true assume !(0 != test_~tmp___0~0#1); 109#L93-2true test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 257#L103true assume 0 != test_~tmp___2~0#1; 145#L109-2true assume { :begin_inline_timeShift } true; 221#L511true assume !(0 != ~pumpRunning~0); 25#L511-2true assume !(0 != ~systemActive~0); 188#L518-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_#t~ret46#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~9#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 11#L910-1true __utac_acc__Specification2_spec__2_#t~ret45#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9#1 := __utac_acc__Specification2_spec__2_#t~ret45#1;havoc __utac_acc__Specification2_spec__2_#t~ret45#1; 40#L744true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9#1);~methAndRunningLastTime~0 := 0; 160#L744-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 199#L528true assume { :end_inline_timeShift } true; 32#L73-2true [2022-11-20 10:49:19,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:19,799 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-20 10:49:19,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:19,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549198912] [2022-11-20 10:49:19,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:19,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:19,942 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:49:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:19,993 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:49:19,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:19,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1219507510, now seen corresponding path program 1 times [2022-11-20 10:49:19,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:19,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063294206] [2022-11-20 10:49:19,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:19,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:20,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:49:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:20,014 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:49:20,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:20,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1381794893, now seen corresponding path program 1 times [2022-11-20 10:49:20,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:20,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083442985] [2022-11-20 10:49:20,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:20,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:20,289 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 10:49:20,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:20,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083442985] [2022-11-20 10:49:20,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083442985] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:20,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:20,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:49:20,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148801736] [2022-11-20 10:49:20,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:20,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:20,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:49:20,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:49:20,502 INFO L87 Difference]: Start difference. First operand has 274 states, 273 states have (on average 1.3772893772893773) internal successors, (376), 273 states have internal predecessors, (376), 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 10:49:20,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:49:20,603 INFO L93 Difference]: Finished difference Result 271 states and 362 transitions. [2022-11-20 10:49:20,605 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 271 states and 362 transitions. [2022-11-20 10:49:20,608 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 174 [2022-11-20 10:49:20,613 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 271 states to 261 states and 352 transitions. [2022-11-20 10:49:20,614 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 261 [2022-11-20 10:49:20,615 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 261 [2022-11-20 10:49:20,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 261 states and 352 transitions. [2022-11-20 10:49:20,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:20,618 INFO L218 hiAutomatonCegarLoop]: Abstraction has 261 states and 352 transitions. [2022-11-20 10:49:20,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states and 352 transitions. [2022-11-20 10:49:20,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2022-11-20 10:49:20,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 261 states have (on average 1.3486590038314177) internal successors, (352), 260 states have internal predecessors, (352), 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 10:49:20,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 352 transitions. [2022-11-20 10:49:20,679 INFO L240 hiAutomatonCegarLoop]: Abstraction has 261 states and 352 transitions. [2022-11-20 10:49:20,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:49:20,684 INFO L428 stractBuchiCegarLoop]: Abstraction has 261 states and 352 transitions. [2022-11-20 10:49:20,685 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 10:49:20,685 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 261 states and 352 transitions. [2022-11-20 10:49:20,687 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 174 [2022-11-20 10:49:20,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:49:20,687 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:49:20,688 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:49:20,688 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, 1, 1, 1] [2022-11-20 10:49:20,689 INFO L748 eck$LassoCheckResult]: Stem: 823#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 805#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 806#L992 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 619#L985 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 620#L1000 main_#t~ret47#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 749#L852 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 775#L825 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 742#L733 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 623#L73-2 [2022-11-20 10:49:20,689 INFO L750 eck$LassoCheckResult]: Loop: 623#L73-2 assume !false; 624#L74 assume test_~splverifierCounter~0#1 < 4; 811#L75 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 595#L83 assume !(0 != test_~tmp~0#1); 597#L83-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 632#L93 assume !(0 != test_~tmp___0~0#1); 634#L93-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 747#L103 assume 0 != test_~tmp___2~0#1; 765#L109-2 assume { :begin_inline_timeShift } true; 777#L511 assume !(0 != ~pumpRunning~0); 613#L511-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 614#L595 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret34#1, isMethaneAlarm_~retValue_acc~3#1;havoc isMethaneAlarm_~retValue_acc~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 582#L910 isMethaneAlarm_#t~ret34#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~3#1 := isMethaneAlarm_#t~ret34#1;havoc isMethaneAlarm_#t~ret34#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; 583#L639 processEnvironment_#t~ret33#1 := isMethaneAlarm_#res#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~6#1 := processEnvironment_#t~ret33#1;havoc processEnvironment_#t~ret33#1; 803#L599 assume 0 != processEnvironment_~tmp~6#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 657#L629 assume { :end_inline_deactivatePump } true; 566#L595-1 assume { :end_inline_processEnvironment } true; 618#L518-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_#t~ret46#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~9#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 580#L910-1 __utac_acc__Specification2_spec__2_#t~ret45#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9#1 := __utac_acc__Specification2_spec__2_#t~ret45#1;havoc __utac_acc__Specification2_spec__2_#t~ret45#1; 581#L744 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9#1);~methAndRunningLastTime~0 := 0; 643#L744-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 785#L528 assume { :end_inline_timeShift } true; 623#L73-2 [2022-11-20 10:49:20,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:20,690 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-20 10:49:20,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:20,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221929716] [2022-11-20 10:49:20,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:20,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:20,702 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:49:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:20,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:49:20,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:20,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1465324307, now seen corresponding path program 1 times [2022-11-20 10:49:20,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:20,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362401731] [2022-11-20 10:49:20,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:20,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:20,736 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 10:49:20,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:20,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362401731] [2022-11-20 10:49:20,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362401731] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:20,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:20,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:49:20,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776295856] [2022-11-20 10:49:20,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:20,739 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 10:49:20,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:20,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:20,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:20,740 INFO L87 Difference]: Start difference. First operand 261 states and 352 transitions. cyclomatic complexity: 93 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 10:49:20,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:49:20,870 INFO L93 Difference]: Finished difference Result 274 states and 351 transitions. [2022-11-20 10:49:20,871 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 274 states and 351 transitions. [2022-11-20 10:49:20,873 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2022-11-20 10:49:20,878 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 274 states to 274 states and 351 transitions. [2022-11-20 10:49:20,879 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 274 [2022-11-20 10:49:20,881 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 274 [2022-11-20 10:49:20,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 274 states and 351 transitions. [2022-11-20 10:49:20,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:20,888 INFO L218 hiAutomatonCegarLoop]: Abstraction has 274 states and 351 transitions. [2022-11-20 10:49:20,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states and 351 transitions. [2022-11-20 10:49:20,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2022-11-20 10:49:20,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 274 states have (on average 1.281021897810219) internal successors, (351), 273 states have internal predecessors, (351), 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 10:49:20,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 351 transitions. [2022-11-20 10:49:20,913 INFO L240 hiAutomatonCegarLoop]: Abstraction has 274 states and 351 transitions. [2022-11-20 10:49:20,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:20,914 INFO L428 stractBuchiCegarLoop]: Abstraction has 274 states and 351 transitions. [2022-11-20 10:49:20,914 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 10:49:20,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 274 states and 351 transitions. [2022-11-20 10:49:20,917 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2022-11-20 10:49:20,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:49:20,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:49:20,919 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:49:20,920 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:49:20,920 INFO L748 eck$LassoCheckResult]: Stem: 1319#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1303#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 1304#L992 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1144#L985 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 1145#L1000 main_#t~ret47#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 1257#L852 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 1278#L825 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1252#L733 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1148#L73-2 [2022-11-20 10:49:20,920 INFO L750 eck$LassoCheckResult]: Loop: 1148#L73-2 assume !false; 1149#L74 assume test_~splverifierCounter~0#1 < 4; 1308#L75 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 1127#L83 assume !(0 != test_~tmp~0#1); 1129#L83-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 1157#L93 assume !(0 != test_~tmp___0~0#1); 1159#L93-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 1254#L103 assume 0 != test_~tmp___2~0#1; 1269#L109-2 assume { :begin_inline_timeShift } true; 1281#L511 assume !(0 != ~pumpRunning~0); 1138#L511-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1139#L595 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret32#1, processEnvironment__wrappee__lowWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5#1; 1312#L569-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; 1313#L543-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~10#1;havoc isHighWaterSensorDry_~retValue_acc~10#1; 1194#L950-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~10#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; 1195#L955-3 isHighWaterLevel_#t~ret43#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret43#1;havoc isHighWaterLevel_#t~ret43#1; 1179#L697-9 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1180#L697-11 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 1316#L703-3 processEnvironment__wrappee__highWaterSensor_#t~ret31#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~4#1 := processEnvironment__wrappee__highWaterSensor_#t~ret31#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1; 1284#L547-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1258#L535-6 assume { :end_inline_processEnvironment__wrappee__base } true; 1235#L543-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1236#L569-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1107#L595-1 assume { :end_inline_processEnvironment } true; 1143#L518-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_#t~ret46#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~9#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 1118#L910-1 __utac_acc__Specification2_spec__2_#t~ret45#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9#1 := __utac_acc__Specification2_spec__2_#t~ret45#1;havoc __utac_acc__Specification2_spec__2_#t~ret45#1; 1119#L744 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9#1);~methAndRunningLastTime~0 := 0; 1166#L744-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1286#L528 assume { :end_inline_timeShift } true; 1148#L73-2 [2022-11-20 10:49:20,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:20,921 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-11-20 10:49:20,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:20,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214858906] [2022-11-20 10:49:20,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:20,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:20,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:49:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:20,964 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:49:20,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:20,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1457734770, now seen corresponding path program 1 times [2022-11-20 10:49:20,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:20,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944052759] [2022-11-20 10:49:20,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:20,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:20,974 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:49:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:20,982 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:49:20,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:20,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1930815959, now seen corresponding path program 1 times [2022-11-20 10:49:20,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:20,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735791186] [2022-11-20 10:49:20,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:20,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:20,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:49:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:21,011 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:49:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:22,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:49:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:22,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:49:22 BoogieIcfgContainer [2022-11-20 10:49:22,331 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 10:49:22,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:49:22,332 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:49:22,332 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:49:22,333 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:49:19" (3/4) ... [2022-11-20 10:49:22,335 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-20 10:49:22,389 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fce3b3-2e3f-4bb8-a158-0866dc10da75/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:49:22,390 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:49:22,390 INFO L158 Benchmark]: Toolchain (without parser) took 4328.78ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 105.8MB in the beginning and 75.3MB in the end (delta: 30.5MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2022-11-20 10:49:22,391 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 100.7MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:49:22,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.65ms. Allocated memory is still 136.3MB. Free memory was 105.5MB in the beginning and 86.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 10:49:22,391 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.20ms. Allocated memory is still 136.3MB. Free memory was 86.6MB in the beginning and 82.0MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 10:49:22,392 INFO L158 Benchmark]: Boogie Preprocessor took 77.14ms. Allocated memory is still 136.3MB. Free memory was 82.0MB in the beginning and 79.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:49:22,392 INFO L158 Benchmark]: RCFGBuilder took 936.33ms. Allocated memory is still 136.3MB. Free memory was 79.0MB in the beginning and 96.0MB in the end (delta: -17.0MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2022-11-20 10:49:22,393 INFO L158 Benchmark]: BuchiAutomizer took 2746.59ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 96.0MB in the beginning and 78.5MB in the end (delta: 17.6MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2022-11-20 10:49:22,393 INFO L158 Benchmark]: Witness Printer took 57.66ms. Allocated memory is still 167.8MB. Free memory was 78.5MB in the beginning and 75.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:49:22,395 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 100.7MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 438.65ms. Allocated memory is still 136.3MB. Free memory was 105.5MB in the beginning and 86.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.20ms. Allocated memory is still 136.3MB. Free memory was 86.6MB in the beginning and 82.0MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.14ms. Allocated memory is still 136.3MB. Free memory was 82.0MB in the beginning and 79.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 936.33ms. Allocated memory is still 136.3MB. Free memory was 79.0MB in the beginning and 96.0MB in the end (delta: -17.0MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2746.59ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 96.0MB in the beginning and 78.5MB in the end (delta: 17.6MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. * Witness Printer took 57.66ms. Allocated memory is still 167.8MB. Free memory was 78.5MB in the beginning and 75.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 274 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 1259 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1259 mSDsluCounter, 771 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 126 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 645 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 73]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L297] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L503] int pumpRunning = 0; [L504] int systemActive = 1; [L727] int methAndRunningLastTime ; [L766] int cleanupTimeShifts = 4; [L867] int waterLevel = 1; [L868] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L843] int retValue_acc ; [L844] int tmp ; [L848] FCALL select_helpers() [L849] FCALL select_features() [L850] CALL, EXPR valid_product() [L996] int retValue_acc ; [L999] retValue_acc = 1 [L1000] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L850] RET, EXPR valid_product() [L850] tmp = valid_product() [L852] COND TRUE \read(tmp) [L854] FCALL setup() [L855] CALL runTest() [L833] CALL __utac_acc__Specification2_spec__1() [L732] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L833] RET __utac_acc__Specification2_spec__1() [L834] CALL test() [L64] int splverifierCounter ; [L65] int tmp ; [L66] int tmp___0 ; [L67] int tmp___1 ; [L68] int tmp___2 ; [L71] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L73] COND TRUE 1 [L75] COND TRUE splverifierCounter < 4 [L81] tmp = __VERIFIER_nondet_int() [L83] COND FALSE !(\read(tmp)) [L91] tmp___0 = __VERIFIER_nondet_int() [L93] COND FALSE !(\read(tmp___0)) [L101] tmp___2 = __VERIFIER_nondet_int() [L103] COND TRUE \read(tmp___2) [L116] CALL timeShift() [L511] COND FALSE !(\read(pumpRunning)) [L518] COND TRUE \read(systemActive) [L520] CALL processEnvironment() [L592] int tmp ; [L595] COND FALSE !(\read(pumpRunning)) [L610] CALL processEnvironment__wrappee__lowWaterSensor() [L566] int tmp ; [L569] COND FALSE !(\read(pumpRunning)) [L584] CALL processEnvironment__wrappee__highWaterSensor() [L540] int tmp ; [L543] COND TRUE ! pumpRunning [L545] CALL, EXPR isHighWaterLevel() [L689] int retValue_acc ; [L690] int tmp ; [L691] int tmp___0 ; [L695] CALL, EXPR isHighWaterSensorDry() [L947] int retValue_acc ; [L950] COND TRUE waterLevel < 2 [L951] retValue_acc = 1 [L952] return (retValue_acc); [L695] RET, EXPR isHighWaterSensorDry() [L695] tmp = isHighWaterSensorDry() [L697] COND TRUE \read(tmp) [L698] tmp___0 = 0 [L702] retValue_acc = tmp___0 [L703] return (retValue_acc); [L545] RET, EXPR isHighWaterLevel() [L545] tmp = isHighWaterLevel() [L547] COND FALSE !(\read(tmp)) [L553] FCALL processEnvironment__wrappee__base() [L584] RET processEnvironment__wrappee__highWaterSensor() [L610] RET processEnvironment__wrappee__lowWaterSensor() [L520] RET processEnvironment() [L526] CALL __utac_acc__Specification2_spec__2() [L737] int tmp ; [L738] int tmp___0 ; [L742] CALL, EXPR isMethaneLevelCritical() [L906] int retValue_acc ; [L909] retValue_acc = methaneLevelCritical [L910] return (retValue_acc); [L742] RET, EXPR isMethaneLevelCritical() [L742] tmp = isMethaneLevelCritical() [L744] COND FALSE !(\read(tmp)) [L760] methAndRunningLastTime = 0 [L526] RET __utac_acc__Specification2_spec__2() [L116] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 73]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L297] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L503] int pumpRunning = 0; [L504] int systemActive = 1; [L727] int methAndRunningLastTime ; [L766] int cleanupTimeShifts = 4; [L867] int waterLevel = 1; [L868] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L843] int retValue_acc ; [L844] int tmp ; [L848] FCALL select_helpers() [L849] FCALL select_features() [L850] CALL, EXPR valid_product() [L996] int retValue_acc ; [L999] retValue_acc = 1 [L1000] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L850] RET, EXPR valid_product() [L850] tmp = valid_product() [L852] COND TRUE \read(tmp) [L854] FCALL setup() [L855] CALL runTest() [L833] CALL __utac_acc__Specification2_spec__1() [L732] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L833] RET __utac_acc__Specification2_spec__1() [L834] CALL test() [L64] int splverifierCounter ; [L65] int tmp ; [L66] int tmp___0 ; [L67] int tmp___1 ; [L68] int tmp___2 ; [L71] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L73] COND TRUE 1 [L75] COND TRUE splverifierCounter < 4 [L81] tmp = __VERIFIER_nondet_int() [L83] COND FALSE !(\read(tmp)) [L91] tmp___0 = __VERIFIER_nondet_int() [L93] COND FALSE !(\read(tmp___0)) [L101] tmp___2 = __VERIFIER_nondet_int() [L103] COND TRUE \read(tmp___2) [L116] CALL timeShift() [L511] COND FALSE !(\read(pumpRunning)) [L518] COND TRUE \read(systemActive) [L520] CALL processEnvironment() [L592] int tmp ; [L595] COND FALSE !(\read(pumpRunning)) [L610] CALL processEnvironment__wrappee__lowWaterSensor() [L566] int tmp ; [L569] COND FALSE !(\read(pumpRunning)) [L584] CALL processEnvironment__wrappee__highWaterSensor() [L540] int tmp ; [L543] COND TRUE ! pumpRunning [L545] CALL, EXPR isHighWaterLevel() [L689] int retValue_acc ; [L690] int tmp ; [L691] int tmp___0 ; [L695] CALL, EXPR isHighWaterSensorDry() [L947] int retValue_acc ; [L950] COND TRUE waterLevel < 2 [L951] retValue_acc = 1 [L952] return (retValue_acc); [L695] RET, EXPR isHighWaterSensorDry() [L695] tmp = isHighWaterSensorDry() [L697] COND TRUE \read(tmp) [L698] tmp___0 = 0 [L702] retValue_acc = tmp___0 [L703] return (retValue_acc); [L545] RET, EXPR isHighWaterLevel() [L545] tmp = isHighWaterLevel() [L547] COND FALSE !(\read(tmp)) [L553] FCALL processEnvironment__wrappee__base() [L584] RET processEnvironment__wrappee__highWaterSensor() [L610] RET processEnvironment__wrappee__lowWaterSensor() [L520] RET processEnvironment() [L526] CALL __utac_acc__Specification2_spec__2() [L737] int tmp ; [L738] int tmp___0 ; [L742] CALL, EXPR isMethaneLevelCritical() [L906] int retValue_acc ; [L909] retValue_acc = methaneLevelCritical [L910] return (retValue_acc); [L742] RET, EXPR isMethaneLevelCritical() [L742] tmp = isMethaneLevelCritical() [L744] COND FALSE !(\read(tmp)) [L760] methAndRunningLastTime = 0 [L526] RET __utac_acc__Specification2_spec__2() [L116] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 10:49:22,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fce3b3-2e3f-4bb8-a158-0866dc10da75/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)