./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_1da091a4-c83d-4b2c-919e-d3034d852aab/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da091a4-c83d-4b2c-919e-d3034d852aab/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da091a4-c83d-4b2c-919e-d3034d852aab/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da091a4-c83d-4b2c-919e-d3034d852aab/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da091a4-c83d-4b2c-919e-d3034d852aab/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da091a4-c83d-4b2c-919e-d3034d852aab/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --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 6141c3324b7a590b618db452d411a7ee802143790c8a6f6c8440be9321f9a2e7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:46:12,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:46:12,437 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da091a4-c83d-4b2c-919e-d3034d852aab/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 10:46:12,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:46:12,448 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:46:12,483 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:46:12,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:46:12,486 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:46:12,487 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:46:12,491 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:46:12,492 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:46:12,493 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:46:12,493 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:46:12,495 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 10:46:12,496 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 10:46:12,496 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 10:46:12,497 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 10:46:12,498 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 10:46:12,498 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 10:46:12,499 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:46:12,499 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 10:46:12,500 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:46:12,500 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:46:12,501 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:46:12,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:46:12,502 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 10:46:12,502 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 10:46:12,502 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 10:46:12,503 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:46:12,504 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:46:12,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:46:12,505 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 10:46:12,506 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:46:12,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:46:12,506 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:46:12,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:46:12,507 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:46:12,508 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 10:46:12,508 INFO L153 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_1da091a4-c83d-4b2c-919e-d3034d852aab/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da091a4-c83d-4b2c-919e-d3034d852aab/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6141c3324b7a590b618db452d411a7ee802143790c8a6f6c8440be9321f9a2e7 [2023-11-26 10:46:12,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:46:12,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:46:12,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:46:12,845 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:46:12,845 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:46:12,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da091a4-c83d-4b2c-919e-d3034d852aab/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/product-lines/minepump_spec5_product17.cil.c [2023-11-26 10:46:15,967 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:46:16,201 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:46:16,201 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da091a4-c83d-4b2c-919e-d3034d852aab/sv-benchmarks/c/product-lines/minepump_spec5_product17.cil.c [2023-11-26 10:46:16,215 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da091a4-c83d-4b2c-919e-d3034d852aab/bin/uautomizer-verify-VRDe98Ueme/data/ce84c03f1/75a16fa659b9446a848600bde76bb6fe/FLAG4c082e197 [2023-11-26 10:46:16,229 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da091a4-c83d-4b2c-919e-d3034d852aab/bin/uautomizer-verify-VRDe98Ueme/data/ce84c03f1/75a16fa659b9446a848600bde76bb6fe [2023-11-26 10:46:16,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:46:16,233 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:46:16,235 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:16,235 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:46:16,241 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:46:16,242 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:16" (1/1) ... [2023-11-26 10:46:16,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e8912a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:16, skipping insertion in model container [2023-11-26 10:46:16,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:16" (1/1) ... [2023-11-26 10:46:16,290 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:46:16,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:16,661 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:46:16,672 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-11-26 10:46:16,674 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [155] [2023-11-26 10:46:16,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [521] [2023-11-26 10:46:16,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [530] [2023-11-26 10:46:16,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [565] [2023-11-26 10:46:16,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [616] [2023-11-26 10:46:16,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [709] [2023-11-26 10:46:16,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [866] [2023-11-26 10:46:16,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:16,819 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:46:16,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:16 WrapperNode [2023-11-26 10:46:16,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:16,821 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:16,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:46:16,822 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:46:16,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:16" (1/1) ... [2023-11-26 10:46:16,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:16" (1/1) ... [2023-11-26 10:46:16,886 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 50, calls inlined = 57, statements flattened = 367 [2023-11-26 10:46:16,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:16,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:46:16,888 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:46:16,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:46:16,900 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:16" (1/1) ... [2023-11-26 10:46:16,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:16" (1/1) ... [2023-11-26 10:46:16,910 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:16" (1/1) ... [2023-11-26 10:46:16,940 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:46:16,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:16" (1/1) ... [2023-11-26 10:46:16,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:16" (1/1) ... [2023-11-26 10:46:16,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:16" (1/1) ... [2023-11-26 10:46:16,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:16" (1/1) ... [2023-11-26 10:46:16,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:16" (1/1) ... [2023-11-26 10:46:16,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:16" (1/1) ... [2023-11-26 10:46:16,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:46:16,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:46:16,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:46:16,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:46:16,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:16" (1/1) ... [2023-11-26 10:46:16,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:17,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da091a4-c83d-4b2c-919e-d3034d852aab/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:17,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da091a4-c83d-4b2c-919e-d3034d852aab/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:17,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da091a4-c83d-4b2c-919e-d3034d852aab/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 10:46:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:46:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:46:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:46:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:46:17,208 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:46:17,211 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:46:17,563 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:46:17,574 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:46:17,575 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 10:46:17,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:17 BoogieIcfgContainer [2023-11-26 10:46:17,576 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:46:17,578 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 10:46:17,578 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 10:46:17,581 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 10:46:17,582 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:46:17,582 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 10:46:16" (1/3) ... [2023-11-26 10:46:17,583 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@431f7d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:46:17, skipping insertion in model container [2023-11-26 10:46:17,584 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:46:17,584 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:16" (2/3) ... [2023-11-26 10:46:17,584 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@431f7d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:46:17, skipping insertion in model container [2023-11-26 10:46:17,584 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:46:17,584 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:17" (3/3) ... [2023-11-26 10:46:17,586 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product17.cil.c [2023-11-26 10:46:17,659 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 10:46:17,660 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 10:46:17,660 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 10:46:17,660 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 10:46:17,661 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 10:46:17,661 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 10:46:17,661 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 10:46:17,662 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 10:46:17,668 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 115 states, 114 states have (on average 1.3508771929824561) internal successors, (154), 114 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:46:17,693 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2023-11-26 10:46:17,693 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:17,693 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:17,700 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:17,700 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:17,700 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 10:46:17,701 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 115 states, 114 states have (on average 1.3508771929824561) internal successors, (154), 114 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:46:17,708 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2023-11-26 10:46:17,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:17,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:17,710 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:17,710 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:17,715 INFO L748 eck$LassoCheckResult]: Stem: 21#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 31#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 17#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 100#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 83#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 94#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 70#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 105#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#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; 48#L877-2true [2023-11-26 10:46:17,716 INFO L750 eck$LassoCheckResult]: Loop: 48#L877-2true assume !false; 40#L878true assume test_~splverifierCounter~0#1 < 4; 82#L879true havoc test_#t~nondet48#1;test_~tmp~7#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 108#L887true assume !(0 != test_~tmp~7#1); 23#L887-2true havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 10#L897true assume !(0 != test_~tmp___0~2#1); 87#L897-2true havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 53#L907true assume 0 != test_~tmp___2~0#1; 44#L913-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret29#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 101#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret29#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret29#1;havoc __utac_acc__Specification5_spec__2_#t~ret29#1; 77#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret29#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 61#L722true assume !(0 != ~pumpRunning~0); 114#L722-2true assume !(0 != ~systemActive~0); 38#L729-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_#t~ret31#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 62#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret30#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret30#1;havoc __utac_acc__Specification5_spec__3_#t~ret30#1; 115#L595true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 22#L595-1true havoc __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_#t~ret31#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 63#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 48#L877-2true [2023-11-26 10:46:17,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:17,722 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-26 10:46:17,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:17,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887149828] [2023-11-26 10:46:17,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:17,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:17,829 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:17,866 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:17,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:17,870 INFO L85 PathProgramCache]: Analyzing trace with hash 219104558, now seen corresponding path program 1 times [2023-11-26 10:46:17,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:17,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404088186] [2023-11-26 10:46:17,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:17,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:17,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:17,892 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:17,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:17,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1120247849, now seen corresponding path program 1 times [2023-11-26 10:46:17,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:17,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776135183] [2023-11-26 10:46:17,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:17,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:18,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:18,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:18,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776135183] [2023-11-26 10:46:18,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776135183] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:18,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:18,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:46:18,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998010055] [2023-11-26 10:46:18,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:18,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:18,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:46:18,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:46:18,420 INFO L87 Difference]: Start difference. First operand has 115 states, 114 states have (on average 1.3508771929824561) internal successors, (154), 114 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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) [2023-11-26 10:46:18,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:18,497 INFO L93 Difference]: Finished difference Result 109 states and 137 transitions. [2023-11-26 10:46:18,499 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 109 states and 137 transitions. [2023-11-26 10:46:18,507 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2023-11-26 10:46:18,516 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 109 states to 99 states and 127 transitions. [2023-11-26 10:46:18,519 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2023-11-26 10:46:18,522 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 99 [2023-11-26 10:46:18,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 127 transitions. [2023-11-26 10:46:18,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:46:18,524 INFO L218 hiAutomatonCegarLoop]: Abstraction has 99 states and 127 transitions. [2023-11-26 10:46:18,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states and 127 transitions. [2023-11-26 10:46:18,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2023-11-26 10:46:18,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 99 states have (on average 1.2828282828282829) internal successors, (127), 98 states have internal predecessors, (127), 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) [2023-11-26 10:46:18,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 127 transitions. [2023-11-26 10:46:18,569 INFO L240 hiAutomatonCegarLoop]: Abstraction has 99 states and 127 transitions. [2023-11-26 10:46:18,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:46:18,575 INFO L428 stractBuchiCegarLoop]: Abstraction has 99 states and 127 transitions. [2023-11-26 10:46:18,575 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 10:46:18,575 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 127 transitions. [2023-11-26 10:46:18,582 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2023-11-26 10:46:18,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:18,583 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:18,584 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:18,584 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] [2023-11-26 10:46:18,584 INFO L748 eck$LassoCheckResult]: Stem: 272#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 273#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 268#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 269#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 334#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 335#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 324#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 325#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#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; 304#L877-2 [2023-11-26 10:46:18,584 INFO L750 eck$LassoCheckResult]: Loop: 304#L877-2 assume !false; 294#L878 assume test_~splverifierCounter~0#1 < 4; 295#L879 havoc test_#t~nondet48#1;test_~tmp~7#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 333#L887 assume !(0 != test_~tmp~7#1); 271#L887-2 havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 253#L897 assume !(0 != test_~tmp___0~2#1); 243#L897-2 havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 310#L907 assume 0 != test_~tmp___2~0#1; 298#L913-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret29#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 299#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret29#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret29#1;havoc __utac_acc__Specification5_spec__2_#t~ret29#1; 329#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret29#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 319#L722 assume !(0 != ~pumpRunning~0); 313#L722-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 246#L754 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 248#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 256#L754-1 havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 262#L729-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_#t~ret31#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 292#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret30#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret30#1;havoc __utac_acc__Specification5_spec__3_#t~ret30#1; 320#L595 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 274#L595-1 havoc __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_#t~ret31#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 275#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 304#L877-2 [2023-11-26 10:46:18,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:18,586 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-26 10:46:18,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:18,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842720790] [2023-11-26 10:46:18,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:18,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:18,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:18,612 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:18,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:18,614 INFO L85 PathProgramCache]: Analyzing trace with hash -308916817, now seen corresponding path program 1 times [2023-11-26 10:46:18,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:18,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182646719] [2023-11-26 10:46:18,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:18,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:18,622 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:18,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:18,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:18,631 INFO L85 PathProgramCache]: Analyzing trace with hash -710293914, now seen corresponding path program 1 times [2023-11-26 10:46:18,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:18,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892558302] [2023-11-26 10:46:18,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:18,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:18,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:18,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:18,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892558302] [2023-11-26 10:46:18,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892558302] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:18,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:18,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:46:18,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310935029] [2023-11-26 10:46:18,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:18,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:18,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:46:18,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:46:18,882 INFO L87 Difference]: Start difference. First operand 99 states and 127 transitions. cyclomatic complexity: 30 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2023-11-26 10:46:19,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:19,074 INFO L93 Difference]: Finished difference Result 276 states and 356 transitions. [2023-11-26 10:46:19,075 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 276 states and 356 transitions. [2023-11-26 10:46:19,084 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 170 [2023-11-26 10:46:19,090 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 276 states to 276 states and 356 transitions. [2023-11-26 10:46:19,096 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 276 [2023-11-26 10:46:19,097 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 276 [2023-11-26 10:46:19,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 276 states and 356 transitions. [2023-11-26 10:46:19,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:46:19,101 INFO L218 hiAutomatonCegarLoop]: Abstraction has 276 states and 356 transitions. [2023-11-26 10:46:19,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states and 356 transitions. [2023-11-26 10:46:19,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 189. [2023-11-26 10:46:19,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 189 states have (on average 1.2751322751322751) internal successors, (241), 188 states have internal predecessors, (241), 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) [2023-11-26 10:46:19,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 241 transitions. [2023-11-26 10:46:19,122 INFO L240 hiAutomatonCegarLoop]: Abstraction has 189 states and 241 transitions. [2023-11-26 10:46:19,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:46:19,123 INFO L428 stractBuchiCegarLoop]: Abstraction has 189 states and 241 transitions. [2023-11-26 10:46:19,123 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 10:46:19,123 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 189 states and 241 transitions. [2023-11-26 10:46:19,126 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 131 [2023-11-26 10:46:19,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:19,126 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:19,128 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:19,128 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] [2023-11-26 10:46:19,128 INFO L748 eck$LassoCheckResult]: Stem: 660#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 661#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 656#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 657#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 731#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 732#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 719#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 720#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#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; 696#L877-2 [2023-11-26 10:46:19,129 INFO L750 eck$LassoCheckResult]: Loop: 696#L877-2 assume !false; 687#L878 assume test_~splverifierCounter~0#1 < 4; 688#L879 havoc test_#t~nondet48#1;test_~tmp~7#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 730#L887 assume !(0 != test_~tmp~7#1); 664#L887-2 havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 642#L897 assume !(0 != test_~tmp___0~2#1); 634#L897-2 havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 703#L907 assume 0 != test_~tmp___2~0#1; 690#L913-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret29#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 691#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret29#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret29#1;havoc __utac_acc__Specification5_spec__2_#t~ret29#1; 725#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret29#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 714#L722 assume !(0 != ~pumpRunning~0); 708#L722-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 635#L754 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 637#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 645#L754-1 havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 651#L729-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_#t~ret31#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 685#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret30#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret30#1;havoc __utac_acc__Specification5_spec__3_#t~ret30#1; 715#L595 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 741#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret31#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret31#1;havoc __utac_acc__Specification5_spec__3_#t~ret31#1; 776#L599 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 662#L595-1 havoc __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_#t~ret31#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 663#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 696#L877-2 [2023-11-26 10:46:19,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:19,130 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2023-11-26 10:46:19,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:19,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048292522] [2023-11-26 10:46:19,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:19,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:19,164 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:19,175 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:19,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:19,180 INFO L85 PathProgramCache]: Analyzing trace with hash -537322934, now seen corresponding path program 1 times [2023-11-26 10:46:19,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:19,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633013638] [2023-11-26 10:46:19,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:19,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:19,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:19,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:19,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:19,205 INFO L85 PathProgramCache]: Analyzing trace with hash 286343489, now seen corresponding path program 1 times [2023-11-26 10:46:19,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:19,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76766896] [2023-11-26 10:46:19,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:19,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:19,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:19,263 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:20,457 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:20,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 10:46:20 BoogieIcfgContainer [2023-11-26 10:46:20,513 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 10:46:20,514 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:46:20,514 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:46:20,514 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:46:20,515 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:17" (3/4) ... [2023-11-26 10:46:20,516 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-26 10:46:20,575 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da091a4-c83d-4b2c-919e-d3034d852aab/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:46:20,575 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:46:20,576 INFO L158 Benchmark]: Toolchain (without parser) took 4342.54ms. Allocated memory is still 176.2MB. Free memory was 127.5MB in the beginning and 113.1MB in the end (delta: 14.4MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-11-26 10:46:20,576 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory was 65.9MB in the beginning and 65.7MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:46:20,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 585.29ms. Allocated memory is still 176.2MB. Free memory was 127.5MB in the beginning and 108.3MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 10:46:20,577 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.57ms. Allocated memory is still 176.2MB. Free memory was 108.3MB in the beginning and 105.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:46:20,578 INFO L158 Benchmark]: Boogie Preprocessor took 102.07ms. Allocated memory is still 176.2MB. Free memory was 105.6MB in the beginning and 102.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:46:20,578 INFO L158 Benchmark]: RCFGBuilder took 586.32ms. Allocated memory is still 176.2MB. Free memory was 102.9MB in the beginning and 83.8MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 10:46:20,579 INFO L158 Benchmark]: BuchiAutomizer took 2935.57ms. Allocated memory is still 176.2MB. Free memory was 83.8MB in the beginning and 116.2MB in the end (delta: -32.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:46:20,579 INFO L158 Benchmark]: Witness Printer took 61.67ms. Allocated memory is still 176.2MB. Free memory was 116.2MB in the beginning and 113.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:46:20,582 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory was 65.9MB in the beginning and 65.7MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 585.29ms. Allocated memory is still 176.2MB. Free memory was 127.5MB in the beginning and 108.3MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.57ms. Allocated memory is still 176.2MB. Free memory was 108.3MB in the beginning and 105.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.07ms. Allocated memory is still 176.2MB. Free memory was 105.6MB in the beginning and 102.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 586.32ms. Allocated memory is still 176.2MB. Free memory was 102.9MB in the beginning and 83.8MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2935.57ms. Allocated memory is still 176.2MB. Free memory was 83.8MB in the beginning and 116.2MB in the end (delta: -32.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 61.67ms. Allocated memory is still 176.2MB. Free memory was 116.2MB in the beginning and 113.1MB 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.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 155]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [155] - GenericResultAtLocation [Line: 521]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [521] - GenericResultAtLocation [Line: 530]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [530] - GenericResultAtLocation [Line: 565]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [565] - GenericResultAtLocation [Line: 616]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [616] - GenericResultAtLocation [Line: 709]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [709] - GenericResultAtLocation [Line: 866]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [866] * 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 189 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.1s. 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 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 87 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, 788 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 788 mSDsluCounter, 726 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 428 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 102 IncrementalHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 298 mSDtfsCounter, 102 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 877]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L325] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L568] int switchedOnBeforeTS ; [L621] int waterLevel = 1; [L622] int methaneLevelCritical = 0; [L712] int pumpRunning = 0; [L713] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L557] int retValue_acc ; [L560] retValue_acc = 1 [L561] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L573] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L868] int splverifierCounter ; [L869] int tmp ; [L870] int tmp___0 ; [L871] int tmp___1 ; [L872] int tmp___2 ; [L875] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L877] COND TRUE 1 [L879] COND TRUE splverifierCounter < 4 [L885] tmp = __VERIFIER_nondet_int() [L887] COND FALSE !(\read(tmp)) [L895] tmp___0 = __VERIFIER_nondet_int() [L897] COND FALSE !(\read(tmp___0)) [L905] tmp___2 = __VERIFIER_nondet_int() [L907] COND TRUE \read(tmp___2) [L920] CALL timeShift() [L720] CALL __utac_acc__Specification5_spec__2() [L582] CALL, EXPR isPumpRunning() [L803] int retValue_acc ; [L806] retValue_acc = pumpRunning [L807] return (retValue_acc); [L582] RET, EXPR isPumpRunning() [L582] switchedOnBeforeTS = isPumpRunning() [L720] RET __utac_acc__Specification5_spec__2() [L722] COND FALSE !(\read(pumpRunning)) [L729] COND TRUE \read(systemActive) [L731] CALL processEnvironment() [L751] int tmp ; [L754] COND FALSE !(\read(pumpRunning)) [L769] FCALL processEnvironment__wrappee__base() [L731] RET processEnvironment() [L737] CALL __utac_acc__Specification5_spec__3() [L588] int tmp ; [L589] int tmp___0 ; [L593] CALL, EXPR getWaterLevel() [L692] int retValue_acc ; [L695] retValue_acc = waterLevel [L696] return (retValue_acc); [L593] RET, EXPR getWaterLevel() [L593] tmp = getWaterLevel() [L595] COND TRUE tmp != 2 [L597] CALL, EXPR isPumpRunning() [L803] int retValue_acc ; [L806] retValue_acc = pumpRunning [L807] return (retValue_acc); [L597] RET, EXPR isPumpRunning() [L597] tmp___0 = isPumpRunning() [L599] COND FALSE !(\read(tmp___0)) [L737] RET __utac_acc__Specification5_spec__3() [L920] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 877]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L325] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L568] int switchedOnBeforeTS ; [L621] int waterLevel = 1; [L622] int methaneLevelCritical = 0; [L712] int pumpRunning = 0; [L713] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L557] int retValue_acc ; [L560] retValue_acc = 1 [L561] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L573] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L868] int splverifierCounter ; [L869] int tmp ; [L870] int tmp___0 ; [L871] int tmp___1 ; [L872] int tmp___2 ; [L875] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L877] COND TRUE 1 [L879] COND TRUE splverifierCounter < 4 [L885] tmp = __VERIFIER_nondet_int() [L887] COND FALSE !(\read(tmp)) [L895] tmp___0 = __VERIFIER_nondet_int() [L897] COND FALSE !(\read(tmp___0)) [L905] tmp___2 = __VERIFIER_nondet_int() [L907] COND TRUE \read(tmp___2) [L920] CALL timeShift() [L720] CALL __utac_acc__Specification5_spec__2() [L582] CALL, EXPR isPumpRunning() [L803] int retValue_acc ; [L806] retValue_acc = pumpRunning [L807] return (retValue_acc); [L582] RET, EXPR isPumpRunning() [L582] switchedOnBeforeTS = isPumpRunning() [L720] RET __utac_acc__Specification5_spec__2() [L722] COND FALSE !(\read(pumpRunning)) [L729] COND TRUE \read(systemActive) [L731] CALL processEnvironment() [L751] int tmp ; [L754] COND FALSE !(\read(pumpRunning)) [L769] FCALL processEnvironment__wrappee__base() [L731] RET processEnvironment() [L737] CALL __utac_acc__Specification5_spec__3() [L588] int tmp ; [L589] int tmp___0 ; [L593] CALL, EXPR getWaterLevel() [L692] int retValue_acc ; [L695] retValue_acc = waterLevel [L696] return (retValue_acc); [L593] RET, EXPR getWaterLevel() [L593] tmp = getWaterLevel() [L595] COND TRUE tmp != 2 [L597] CALL, EXPR isPumpRunning() [L803] int retValue_acc ; [L806] retValue_acc = pumpRunning [L807] return (retValue_acc); [L597] RET, EXPR isPumpRunning() [L597] tmp___0 = isPumpRunning() [L599] COND FALSE !(\read(tmp___0)) [L737] RET __utac_acc__Specification5_spec__3() [L920] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-26 10:46:20,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da091a4-c83d-4b2c-919e-d3034d852aab/bin/uautomizer-verify-VRDe98Ueme/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)