./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product15.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_ac22574e-b3ff-4fdb-871a-d7333c15e4d9/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac22574e-b3ff-4fdb-871a-d7333c15e4d9/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_ac22574e-b3ff-4fdb-871a-d7333c15e4d9/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac22574e-b3ff-4fdb-871a-d7333c15e4d9/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac22574e-b3ff-4fdb-871a-d7333c15e4d9/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_ac22574e-b3ff-4fdb-871a-d7333c15e4d9/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 d2302423425d09a02191583f4a443e0b9b2d72b45fd4f1bcb2e2d3ac85995a3d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:52:16,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:52:16,469 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac22574e-b3ff-4fdb-871a-d7333c15e4d9/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 11:52:16,482 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:52:16,483 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:52:16,521 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:52:16,522 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:52:16,523 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:52:16,524 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:52:16,525 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:52:16,526 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:52:16,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:52:16,527 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:52:16,528 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:52:16,528 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:52:16,529 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:52:16,530 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:52:16,530 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:52:16,531 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:52:16,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:52:16,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:52:16,533 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:52:16,533 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:52:16,534 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:52:16,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:52:16,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:52:16,536 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:52:16,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:52:16,537 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:52:16,537 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:52:16,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:52:16,538 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:52:16,539 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:52:16,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:52:16,540 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:52:16,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:52:16,541 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:52:16,542 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:52:16,542 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_ac22574e-b3ff-4fdb-871a-d7333c15e4d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac22574e-b3ff-4fdb-871a-d7333c15e4d9/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2302423425d09a02191583f4a443e0b9b2d72b45fd4f1bcb2e2d3ac85995a3d [2023-11-26 11:52:16,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:52:16,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:52:16,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:52:16,894 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:52:16,895 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:52:16,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac22574e-b3ff-4fdb-871a-d7333c15e4d9/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2023-11-26 11:52:20,013 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:52:20,341 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:52:20,342 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac22574e-b3ff-4fdb-871a-d7333c15e4d9/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2023-11-26 11:52:20,357 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac22574e-b3ff-4fdb-871a-d7333c15e4d9/bin/uautomizer-verify-VRDe98Ueme/data/8f80e2750/e6d0c58106ed48cfaf332884b0dda4e3/FLAG6e6c87ccc [2023-11-26 11:52:20,371 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac22574e-b3ff-4fdb-871a-d7333c15e4d9/bin/uautomizer-verify-VRDe98Ueme/data/8f80e2750/e6d0c58106ed48cfaf332884b0dda4e3 [2023-11-26 11:52:20,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:52:20,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:52:20,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:20,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:52:20,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:52:20,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:20" (1/1) ... [2023-11-26 11:52:20,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@369caa8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:20, skipping insertion in model container [2023-11-26 11:52:20,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:20" (1/1) ... [2023-11-26 11:52:20,442 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:52:20,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:20,750 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:52:20,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2023-11-26 11:52:20,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [224] [2023-11-26 11:52:20,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [294] [2023-11-26 11:52:20,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [375] [2023-11-26 11:52:20,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [384] [2023-11-26 11:52:20,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [750] [2023-11-26 11:52:20,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [788] [2023-11-26 11:52:20,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [827] [2023-11-26 11:52:20,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:20,877 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:52:20,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:20 WrapperNode [2023-11-26 11:52:20,878 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:20,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:20,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:52:20,879 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:52:20,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:20" (1/1) ... [2023-11-26 11:52:20,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:20" (1/1) ... [2023-11-26 11:52:20,959 INFO L138 Inliner]: procedures = 53, calls = 98, calls flagged for inlining = 51, calls inlined = 53, statements flattened = 332 [2023-11-26 11:52:20,960 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:20,961 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:52:20,961 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:52:20,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:52:20,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:20" (1/1) ... [2023-11-26 11:52:20,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:20" (1/1) ... [2023-11-26 11:52:20,977 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:20" (1/1) ... [2023-11-26 11:52:20,998 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 11:52:20,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:20" (1/1) ... [2023-11-26 11:52:20,999 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:20" (1/1) ... [2023-11-26 11:52:21,006 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:20" (1/1) ... [2023-11-26 11:52:21,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:20" (1/1) ... [2023-11-26 11:52:21,017 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:20" (1/1) ... [2023-11-26 11:52:21,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:20" (1/1) ... [2023-11-26 11:52:21,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:52:21,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:52:21,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:52:21,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:52:21,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:20" (1/1) ... [2023-11-26 11:52:21,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:52:21,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac22574e-b3ff-4fdb-871a-d7333c15e4d9/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:21,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac22574e-b3ff-4fdb-871a-d7333c15e4d9/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:21,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac22574e-b3ff-4fdb-871a-d7333c15e4d9/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:52:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:52:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:52:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:52:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:52:21,262 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:52:21,264 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:52:21,682 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:52:21,694 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:52:21,694 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 11:52:21,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:21 BoogieIcfgContainer [2023-11-26 11:52:21,696 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:52:21,697 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:52:21,698 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:52:21,701 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:52:21,702 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:52:21,703 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:52:20" (1/3) ... [2023-11-26 11:52:21,704 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c06c1b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:52:21, skipping insertion in model container [2023-11-26 11:52:21,704 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:52:21,704 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:20" (2/3) ... [2023-11-26 11:52:21,705 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c06c1b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:52:21, skipping insertion in model container [2023-11-26 11:52:21,705 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:52:21,705 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:21" (3/3) ... [2023-11-26 11:52:21,706 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product15.cil.c [2023-11-26 11:52:21,762 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:52:21,762 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:52:21,763 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:52:21,763 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:52:21,763 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:52:21,763 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:52:21,763 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:52:21,763 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:52:21,768 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 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 11:52:21,791 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2023-11-26 11:52:21,792 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:52:21,792 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:52:21,798 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:21,798 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:21,798 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:52:21,799 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 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 11:52:21,807 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2023-11-26 11:52:21,807 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:52:21,807 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:52:21,808 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:21,808 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:21,813 INFO L748 eck$LassoCheckResult]: Stem: 25#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 28#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~7#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 19#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 83#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 73#valid_product_returnLabel#1true main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 37#L911true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 53#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 82#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 78#L238-2true [2023-11-26 11:52:21,814 INFO L750 eck$LassoCheckResult]: Loop: 78#L238-2true assume !false; 23#L239true assume test_~splverifierCounter~0#1 < 4; 20#L240true havoc test_#t~nondet15#1;test_~tmp~2#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 107#L248true assume !(0 != test_~tmp~2#1); 27#L248-2true havoc test_#t~nondet16#1;test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 26#L258true assume !(0 != test_~tmp___0~0#1); 59#L258-2true havoc test_#t~nondet17#1;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 16#L268true assume 0 != test_~tmp___2~0#1; 103#L274-2true assume { :begin_inline_timeShift } true; 97#L67true assume !(0 != ~pumpRunning~0); 15#L67-2true assume !(0 != ~systemActive~0); 79#L74-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 51#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1; 54#L806true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 60#L806-1true havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 45#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 78#L238-2true [2023-11-26 11:52:21,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:21,819 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-26 11:52:21,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:21,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127653554] [2023-11-26 11:52:21,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:21,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:21,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:21,973 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:52:21,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:21,976 INFO L85 PathProgramCache]: Analyzing trace with hash 825339724, now seen corresponding path program 1 times [2023-11-26 11:52:21,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:21,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675594893] [2023-11-26 11:52:21,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:21,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:21,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:21,999 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:52:22,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:22,001 INFO L85 PathProgramCache]: Analyzing trace with hash 663052341, now seen corresponding path program 1 times [2023-11-26 11:52:22,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:22,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358353586] [2023-11-26 11:52:22,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:22,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:22,302 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 11:52:22,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:22,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358353586] [2023-11-26 11:52:22,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358353586] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:22,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:22,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:52:22,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032080549] [2023-11-26 11:52:22,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:22,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:22,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:52:22,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:52:22,531 INFO L87 Difference]: Start difference. First operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 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) [2023-11-26 11:52:22,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:22,745 INFO L93 Difference]: Finished difference Result 261 states and 336 transitions. [2023-11-26 11:52:22,747 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 261 states and 336 transitions. [2023-11-26 11:52:22,755 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 165 [2023-11-26 11:52:22,766 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 261 states to 231 states and 306 transitions. [2023-11-26 11:52:22,767 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 231 [2023-11-26 11:52:22,769 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 231 [2023-11-26 11:52:22,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 231 states and 306 transitions. [2023-11-26 11:52:22,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:22,771 INFO L218 hiAutomatonCegarLoop]: Abstraction has 231 states and 306 transitions. [2023-11-26 11:52:22,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states and 306 transitions. [2023-11-26 11:52:22,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 146. [2023-11-26 11:52:22,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 146 states have (on average 1.3287671232876712) internal successors, (194), 145 states have internal predecessors, (194), 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 11:52:22,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 194 transitions. [2023-11-26 11:52:22,812 INFO L240 hiAutomatonCegarLoop]: Abstraction has 146 states and 194 transitions. [2023-11-26 11:52:22,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:52:22,816 INFO L428 stractBuchiCegarLoop]: Abstraction has 146 states and 194 transitions. [2023-11-26 11:52:22,817 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:52:22,817 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 146 states and 194 transitions. [2023-11-26 11:52:22,820 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 104 [2023-11-26 11:52:22,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:52:22,820 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:52:22,821 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:22,821 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] [2023-11-26 11:52:22,822 INFO L748 eck$LassoCheckResult]: Stem: 453#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 454#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~7#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 441#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 442#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 436#valid_product_returnLabel#1 main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 437#L911 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 386#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 387#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 452#L238-2 [2023-11-26 11:52:22,822 INFO L750 eck$LassoCheckResult]: Loop: 452#L238-2 assume !false; 450#L239 assume test_~splverifierCounter~0#1 < 4; 443#L240 havoc test_#t~nondet15#1;test_~tmp~2#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 444#L248 assume !(0 != test_~tmp~2#1); 414#L248-2 havoc test_#t~nondet16#1;test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 457#L258 assume !(0 != test_~tmp___0~0#1); 402#L258-2 havoc test_#t~nondet17#1;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 403#L268 assume 0 != test_~tmp___2~0#1; 431#L274-2 assume { :begin_inline_timeShift } true; 474#L67 assume !(0 != ~pumpRunning~0); 420#L67-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 421#L99 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 462#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 466#L99-1 havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 455#L74-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 456#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1; 388#L806 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 390#L806-1 havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 404#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 452#L238-2 [2023-11-26 11:52:22,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:22,823 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-26 11:52:22,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:22,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197622313] [2023-11-26 11:52:22,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:22,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:22,835 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:22,849 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:52:22,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:22,855 INFO L85 PathProgramCache]: Analyzing trace with hash -61845544, now seen corresponding path program 1 times [2023-11-26 11:52:22,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:22,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019894199] [2023-11-26 11:52:22,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:22,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:22,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:22,876 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:52:22,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:22,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1367902799, now seen corresponding path program 1 times [2023-11-26 11:52:22,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:22,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016456477] [2023-11-26 11:52:22,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:22,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:22,910 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:22,943 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:52:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:24,040 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:24,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:52:24 BoogieIcfgContainer [2023-11-26 11:52:24,116 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:52:24,119 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:52:24,119 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:52:24,119 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:52:24,120 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:21" (3/4) ... [2023-11-26 11:52:24,121 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-26 11:52:24,198 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac22574e-b3ff-4fdb-871a-d7333c15e4d9/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:52:24,199 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:52:24,200 INFO L158 Benchmark]: Toolchain (without parser) took 3825.18ms. Allocated memory was 132.1MB in the beginning and 186.6MB in the end (delta: 54.5MB). Free memory was 86.2MB in the beginning and 116.4MB in the end (delta: -30.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-26 11:52:24,201 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:24,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.86ms. Allocated memory is still 132.1MB. Free memory was 86.2MB in the beginning and 67.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 11:52:24,206 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.11ms. Allocated memory is still 132.1MB. Free memory was 67.3MB in the beginning and 64.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:52:24,207 INFO L158 Benchmark]: Boogie Preprocessor took 62.02ms. Allocated memory is still 132.1MB. Free memory was 64.9MB in the beginning and 62.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:52:24,207 INFO L158 Benchmark]: RCFGBuilder took 672.87ms. Allocated memory was 132.1MB in the beginning and 186.6MB in the end (delta: 54.5MB). Free memory was 61.9MB in the beginning and 143.9MB in the end (delta: -82.0MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2023-11-26 11:52:24,208 INFO L158 Benchmark]: BuchiAutomizer took 2420.62ms. Allocated memory is still 186.6MB. Free memory was 142.9MB in the beginning and 118.5MB in the end (delta: 24.4MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2023-11-26 11:52:24,212 INFO L158 Benchmark]: Witness Printer took 81.04ms. Allocated memory is still 186.6MB. Free memory was 118.5MB in the beginning and 116.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:52:24,214 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.86ms. Allocated memory is still 132.1MB. Free memory was 86.2MB in the beginning and 67.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.11ms. Allocated memory is still 132.1MB. Free memory was 67.3MB in the beginning and 64.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.02ms. Allocated memory is still 132.1MB. Free memory was 64.9MB in the beginning and 62.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 672.87ms. Allocated memory was 132.1MB in the beginning and 186.6MB in the end (delta: 54.5MB). Free memory was 61.9MB in the beginning and 143.9MB in the end (delta: -82.0MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 2420.62ms. Allocated memory is still 186.6MB. Free memory was 142.9MB in the beginning and 118.5MB in the end (delta: 24.4MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * Witness Printer took 81.04ms. Allocated memory is still 186.6MB. Free memory was 118.5MB in the beginning and 116.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] - GenericResultAtLocation [Line: 224]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [224] - GenericResultAtLocation [Line: 294]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [294] - GenericResultAtLocation [Line: 375]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [375] - GenericResultAtLocation [Line: 384]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [384] - GenericResultAtLocation [Line: 750]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [750] - GenericResultAtLocation [Line: 788]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [788] - GenericResultAtLocation [Line: 827]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [827] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 146 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 85 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, 576 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 576 mSDsluCounter, 723 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 598 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 125 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 238]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L296] int waterLevel = 1; [L297] int methaneLevelCritical = 0; [L554] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L789] int methAndRunningLastTime ; [L828] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L902] int retValue_acc ; [L903] int tmp ; [L907] FCALL select_helpers() [L908] FCALL select_features() [L909] CALL, EXPR valid_product() [L780] int retValue_acc ; [L783] retValue_acc = 1 [L784] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L909] RET, EXPR valid_product() [L909] tmp = valid_product() [L911] COND TRUE \read(tmp) [L913] FCALL setup() [L914] CALL runTest() [L895] CALL __utac_acc__Specification2_spec__1() [L794] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L895] RET __utac_acc__Specification2_spec__1() [L896] CALL test() [L229] int splverifierCounter ; [L230] int tmp ; [L231] int tmp___0 ; [L232] int tmp___1 ; [L233] int tmp___2 ; [L236] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L238] COND TRUE 1 [L240] COND TRUE splverifierCounter < 4 [L246] tmp = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp)) [L256] tmp___0 = __VERIFIER_nondet_int() [L258] COND FALSE !(\read(tmp___0)) [L266] tmp___2 = __VERIFIER_nondet_int() [L268] COND TRUE \read(tmp___2) [L283] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L96] int tmp ; [L99] COND FALSE !(\read(pumpRunning)) [L114] FCALL processEnvironment__wrappee__methaneQuery() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification2_spec__2() [L799] int tmp ; [L800] int tmp___0 ; [L804] CALL, EXPR isMethaneLevelCritical() [L335] int retValue_acc ; [L338] retValue_acc = methaneLevelCritical [L339] return (retValue_acc); [L804] RET, EXPR isMethaneLevelCritical() [L804] tmp = isMethaneLevelCritical() [L806] COND FALSE !(\read(tmp)) [L822] methAndRunningLastTime = 0 [L82] RET __utac_acc__Specification2_spec__2() [L283] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 238]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L296] int waterLevel = 1; [L297] int methaneLevelCritical = 0; [L554] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L789] int methAndRunningLastTime ; [L828] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L902] int retValue_acc ; [L903] int tmp ; [L907] FCALL select_helpers() [L908] FCALL select_features() [L909] CALL, EXPR valid_product() [L780] int retValue_acc ; [L783] retValue_acc = 1 [L784] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L909] RET, EXPR valid_product() [L909] tmp = valid_product() [L911] COND TRUE \read(tmp) [L913] FCALL setup() [L914] CALL runTest() [L895] CALL __utac_acc__Specification2_spec__1() [L794] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L895] RET __utac_acc__Specification2_spec__1() [L896] CALL test() [L229] int splverifierCounter ; [L230] int tmp ; [L231] int tmp___0 ; [L232] int tmp___1 ; [L233] int tmp___2 ; [L236] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L238] COND TRUE 1 [L240] COND TRUE splverifierCounter < 4 [L246] tmp = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp)) [L256] tmp___0 = __VERIFIER_nondet_int() [L258] COND FALSE !(\read(tmp___0)) [L266] tmp___2 = __VERIFIER_nondet_int() [L268] COND TRUE \read(tmp___2) [L283] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L96] int tmp ; [L99] COND FALSE !(\read(pumpRunning)) [L114] FCALL processEnvironment__wrappee__methaneQuery() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification2_spec__2() [L799] int tmp ; [L800] int tmp___0 ; [L804] CALL, EXPR isMethaneLevelCritical() [L335] int retValue_acc ; [L338] retValue_acc = methaneLevelCritical [L339] return (retValue_acc); [L804] RET, EXPR isMethaneLevelCritical() [L804] tmp = isMethaneLevelCritical() [L806] COND FALSE !(\read(tmp)) [L822] methAndRunningLastTime = 0 [L82] RET __utac_acc__Specification2_spec__2() [L283] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-26 11:52:24,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac22574e-b3ff-4fdb-871a-d7333c15e4d9/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)