./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17443a4-4430-4cd5-8d33-31d7f5d79d04/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17443a4-4430-4cd5-8d33-31d7f5d79d04/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17443a4-4430-4cd5-8d33-31d7f5d79d04/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17443a4-4430-4cd5-8d33-31d7f5d79d04/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17443a4-4430-4cd5-8d33-31d7f5d79d04/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17443a4-4430-4cd5-8d33-31d7f5d79d04/bin/uautomizer-verify-LYvppIcaGC --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 91f8c6903979fd5720147c225d8a0b2231171c76981a3eb8612b1d57661722a0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:35:29,090 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:35:29,214 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17443a4-4430-4cd5-8d33-31d7f5d79d04/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-23 23:35:29,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:35:29,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:35:29,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:35:29,272 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:35:29,273 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:35:29,273 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:35:29,274 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:35:29,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:35:29,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:35:29,276 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:35:29,276 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 23:35:29,277 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 23:35:29,277 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 23:35:29,277 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 23:35:29,278 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 23:35:29,278 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 23:35:29,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:35:29,279 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 23:35:29,279 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:35:29,279 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:35:29,279 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:35:29,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:35:29,280 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 23:35:29,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 23:35:29,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 23:35:29,280 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:35:29,280 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:35:29,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:35:29,280 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 23:35:29,280 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:35:29,281 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:35:29,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:35:29,281 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:35:29,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:35:29,281 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-23 23:35:29,282 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 23:35:29,283 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_c17443a4-4430-4cd5-8d33-31d7f5d79d04/bin/uautomizer-verify-LYvppIcaGC 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 -> 91f8c6903979fd5720147c225d8a0b2231171c76981a3eb8612b1d57661722a0 [2024-11-23 23:35:29,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:35:29,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:35:29,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:35:29,719 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:35:29,720 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:35:29,721 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17443a4-4430-4cd5-8d33-31d7f5d79d04/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2024-11-23 23:35:33,149 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17443a4-4430-4cd5-8d33-31d7f5d79d04/bin/uautomizer-verify-LYvppIcaGC/data/5ab49efb5/dfe2a64a031d491495c96334e9d0cb2c/FLAGd6f4cc4d6 [2024-11-23 23:35:33,564 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:35:33,565 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17443a4-4430-4cd5-8d33-31d7f5d79d04/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2024-11-23 23:35:33,582 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17443a4-4430-4cd5-8d33-31d7f5d79d04/bin/uautomizer-verify-LYvppIcaGC/data/5ab49efb5/dfe2a64a031d491495c96334e9d0cb2c/FLAGd6f4cc4d6 [2024-11-23 23:35:33,606 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17443a4-4430-4cd5-8d33-31d7f5d79d04/bin/uautomizer-verify-LYvppIcaGC/data/5ab49efb5/dfe2a64a031d491495c96334e9d0cb2c [2024-11-23 23:35:33,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:35:33,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:35:33,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:35:33,612 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:35:33,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:35:33,619 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:35:33" (1/1) ... [2024-11-23 23:35:33,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c1437d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:33, skipping insertion in model container [2024-11-23 23:35:33,621 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:35:33" (1/1) ... [2024-11-23 23:35:33,677 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:35:34,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:35:34,017 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:35:34,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-23 23:35:34,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [415] [2024-11-23 23:35:34,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [453] [2024-11-23 23:35:34,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [554] [2024-11-23 23:35:34,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [583] [2024-11-23 23:35:34,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592] [2024-11-23 23:35:34,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [675] [2024-11-23 23:35:34,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [743] [2024-11-23 23:35:34,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:35:34,130 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:35:34,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:34 WrapperNode [2024-11-23 23:35:34,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:35:34,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:35:34,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:35:34,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:35:34,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:34" (1/1) ... [2024-11-23 23:35:34,166 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:34" (1/1) ... [2024-11-23 23:35:34,193 INFO L138 Inliner]: procedures = 51, calls = 94, calls flagged for inlining = 47, calls inlined = 51, statements flattened = 310 [2024-11-23 23:35:34,194 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:35:34,195 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:35:34,195 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:35:34,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:35:34,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:34" (1/1) ... [2024-11-23 23:35:34,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:34" (1/1) ... [2024-11-23 23:35:34,206 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:34" (1/1) ... [2024-11-23 23:35:34,222 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]. [2024-11-23 23:35:34,222 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:34" (1/1) ... [2024-11-23 23:35:34,222 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:34" (1/1) ... [2024-11-23 23:35:34,229 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:34" (1/1) ... [2024-11-23 23:35:34,230 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:34" (1/1) ... [2024-11-23 23:35:34,235 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:34" (1/1) ... [2024-11-23 23:35:34,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:34" (1/1) ... [2024-11-23 23:35:34,238 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:34" (1/1) ... [2024-11-23 23:35:34,240 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:35:34,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:35:34,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:35:34,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:35:34,243 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:34" (1/1) ... [2024-11-23 23:35:34,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:35:34,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17443a4-4430-4cd5-8d33-31d7f5d79d04/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:35:34,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17443a4-4430-4cd5-8d33-31d7f5d79d04/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:35:34,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17443a4-4430-4cd5-8d33-31d7f5d79d04/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-23 23:35:34,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:35:34,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:35:34,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:35:34,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:35:34,405 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:35:34,407 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:35:34,799 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-23 23:35:34,800 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:35:34,814 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:35:34,814 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-23 23:35:34,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:35:34 BoogieIcfgContainer [2024-11-23 23:35:34,815 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:35:34,816 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 23:35:34,816 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 23:35:34,824 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 23:35:34,824 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 23:35:34,825 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 11:35:33" (1/3) ... [2024-11-23 23:35:34,826 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@473b5f80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:35:34, skipping insertion in model container [2024-11-23 23:35:34,826 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 23:35:34,826 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:34" (2/3) ... [2024-11-23 23:35:34,827 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@473b5f80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:35:34, skipping insertion in model container [2024-11-23 23:35:34,827 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 23:35:34,827 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:35:34" (3/3) ... [2024-11-23 23:35:34,828 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product06.cil.c [2024-11-23 23:35:34,894 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 23:35:34,894 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 23:35:34,895 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 23:35:34,895 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 23:35:34,895 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 23:35:34,895 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 23:35:34,895 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 23:35:34,895 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 23:35:34,902 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 98 states, 97 states have (on average 1.3505154639175259) internal successors, (131), 97 states have internal predecessors, (131), 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) [2024-11-23 23:35:34,930 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2024-11-23 23:35:34,931 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 23:35:34,931 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 23:35:34,940 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:35:34,940 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:35:34,941 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 23:35:34,943 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 98 states, 97 states have (on average 1.3505154639175259) internal successors, (131), 97 states have internal predecessors, (131), 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) [2024-11-23 23:35:34,952 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2024-11-23 23:35:34,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 23:35:34,952 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 23:35:34,953 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:35:34,953 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:35:34,962 INFO L747 eck$LassoCheckResult]: Stem: "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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret28#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret28#1;havoc main_#t~ret28#1;" "assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-23 23:35:34,963 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet39#1;test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret29#1, __utac_acc__Specification1_spec__1_#t~ret30#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification1_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret29#1;havoc __utac_acc__Specification1_spec__1_#t~ret29#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret29#1, __utac_acc__Specification1_spec__1_#t~ret30#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-23 23:35:34,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:34,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-23 23:35:34,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:35:34,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843336184] [2024-11-23 23:35:34,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:34,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:35:35,127 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:35:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:35:35,172 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:35:35,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:35,176 INFO L85 PathProgramCache]: Analyzing trace with hash -318106032, now seen corresponding path program 1 times [2024-11-23 23:35:35,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:35:35,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241452590] [2024-11-23 23:35:35,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:35,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:35:35,200 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:35:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:35:35,220 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:35:35,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:35,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1037313044, now seen corresponding path program 1 times [2024-11-23 23:35:35,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:35:35,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696735119] [2024-11-23 23:35:35,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:35,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:35,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-23 23:35:35,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696735119] [2024-11-23 23:35:35,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696735119] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:35:35,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264332509] [2024-11-23 23:35:35,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:35,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:35:35,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17443a4-4430-4cd5-8d33-31d7f5d79d04/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:35:35,662 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17443a4-4430-4cd5-8d33-31d7f5d79d04/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:35:35,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17443a4-4430-4cd5-8d33-31d7f5d79d04/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:35:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:35,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:35:35,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:35:35,878 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:35:35,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264332509] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:35:35,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:35:35,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-23 23:35:35,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65579588] [2024-11-23 23:35:35,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:35:36,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-23 23:35:36,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:35:36,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:35:36,130 INFO L87 Difference]: Start difference. First operand has 98 states, 97 states have (on average 1.3505154639175259) internal successors, (131), 97 states have internal predecessors, (131), 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 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 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) [2024-11-23 23:35:36,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:35:36,251 INFO L93 Difference]: Finished difference Result 92 states and 114 transitions. [2024-11-23 23:35:36,253 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 92 states and 114 transitions. [2024-11-23 23:35:36,256 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2024-11-23 23:35:36,263 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 92 states to 82 states and 104 transitions. [2024-11-23 23:35:36,264 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 82 [2024-11-23 23:35:36,265 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 82 [2024-11-23 23:35:36,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 82 states and 104 transitions. [2024-11-23 23:35:36,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 23:35:36,267 INFO L218 hiAutomatonCegarLoop]: Abstraction has 82 states and 104 transitions. [2024-11-23 23:35:36,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states and 104 transitions. [2024-11-23 23:35:36,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-23 23:35:36,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 82 states have (on average 1.2682926829268293) internal successors, (104), 81 states have internal predecessors, (104), 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) [2024-11-23 23:35:36,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 104 transitions. [2024-11-23 23:35:36,310 INFO L240 hiAutomatonCegarLoop]: Abstraction has 82 states and 104 transitions. [2024-11-23 23:35:36,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:35:36,316 INFO L425 stractBuchiCegarLoop]: Abstraction has 82 states and 104 transitions. [2024-11-23 23:35:36,317 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 23:35:36,317 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 104 transitions. [2024-11-23 23:35:36,321 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2024-11-23 23:35:36,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 23:35:36,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 23:35:36,324 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:35:36,324 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] [2024-11-23 23:35:36,324 INFO L747 eck$LassoCheckResult]: Stem: "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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret28#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret28#1;havoc main_#t~ret28#1;" "assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-23 23:35:36,324 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet39#1;test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret29#1, __utac_acc__Specification1_spec__1_#t~ret30#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification1_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret29#1;havoc __utac_acc__Specification1_spec__1_#t~ret29#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret29#1, __utac_acc__Specification1_spec__1_#t~ret30#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-23 23:35:36,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:36,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-23 23:35:36,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:35:36,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685296281] [2024-11-23 23:35:36,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:36,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:35:36,354 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:35:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:35:36,375 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:35:36,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:36,375 INFO L85 PathProgramCache]: Analyzing trace with hash -891262053, now seen corresponding path program 1 times [2024-11-23 23:35:36,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:35:36,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177643815] [2024-11-23 23:35:36,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:36,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:35:36,391 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:35:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:35:36,407 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:35:36,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:36,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1410881367, now seen corresponding path program 1 times [2024-11-23 23:35:36,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:35:36,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149767907] [2024-11-23 23:35:36,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:36,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:35:36,439 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:35:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:35:36,469 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:35:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:35:37,873 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:35:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:35:37,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 11:35:37 BoogieIcfgContainer [2024-11-23 23:35:37,968 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 23:35:37,969 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:35:37,969 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:35:37,969 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:35:37,970 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:35:34" (3/4) ... [2024-11-23 23:35:37,973 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-23 23:35:38,042 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17443a4-4430-4cd5-8d33-31d7f5d79d04/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:35:38,043 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:35:38,047 INFO L158 Benchmark]: Toolchain (without parser) took 4433.61ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 92.5MB in the beginning and 230.6MB in the end (delta: -138.1MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. [2024-11-23 23:35:38,047 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:35:38,048 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.09ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 74.5MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:35:38,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.22ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 72.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:35:38,048 INFO L158 Benchmark]: Boogie Preprocessor took 45.99ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 70.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:35:38,049 INFO L158 Benchmark]: RCFGBuilder took 573.60ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 52.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:35:38,051 INFO L158 Benchmark]: BuchiAutomizer took 3152.30ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 52.9MB in the beginning and 233.6MB in the end (delta: -180.7MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-11-23 23:35:38,052 INFO L158 Benchmark]: Witness Printer took 74.51ms. Allocated memory is still 352.3MB. Free memory was 233.0MB in the beginning and 230.6MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:35:38,054 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.09ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 74.5MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.22ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 72.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.99ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 70.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 573.60ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 52.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3152.30ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 52.9MB in the beginning and 233.6MB in the end (delta: -180.7MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Witness Printer took 74.51ms. Allocated memory is still 352.3MB. Free memory was 233.0MB in the beginning and 230.6MB in the end (delta: 2.4MB). There was no memory consumed. 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [415] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [453] - GenericResultAtLocation [Line: 554]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [554] - GenericResultAtLocation [Line: 583]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [583] - GenericResultAtLocation [Line: 592]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592] - GenericResultAtLocation [Line: 675]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [675] - GenericResultAtLocation [Line: 743]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [743] * 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 7 locations. The remainder module has 82 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 306 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 306 mSDsluCounter, 320 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 211 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 109 mSDtfsCounter, 20 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: 689]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L596] int waterLevel = 1; [L597] int methaneLevelCritical = 0; [L746] int pumpRunning = 0; [L747] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L532] int retValue_acc ; [L533] int tmp ; [L537] FCALL select_helpers() [L538] FCALL select_features() [L539] CALL, EXPR valid_product() [L445] int retValue_acc ; [L448] retValue_acc = 1 [L449] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L539] RET, EXPR valid_product() [L539] tmp = valid_product() [L541] COND TRUE \read(tmp) [L543] FCALL setup() [L544] CALL runTest() [L526] CALL test() [L678] int splverifierCounter ; [L679] int tmp ; [L680] int tmp___0 ; [L681] int tmp___1 ; [L682] int tmp___2 ; [L685] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L689] COND TRUE splverifierCounter < 4 [L695] tmp = __VERIFIER_nondet_int() [L697] COND FALSE !(\read(tmp)) [L705] tmp___0 = __VERIFIER_nondet_int() [L707] COND FALSE !(\read(tmp___0)) [L715] tmp___2 = __VERIFIER_nondet_int() [L717] COND FALSE !(\read(tmp___2)) [L723] tmp___1 = __VERIFIER_nondet_int() [L725] COND TRUE \read(tmp___1) [L732] CALL timeShift() [L753] COND FALSE !(\read(pumpRunning)) [L760] COND TRUE \read(systemActive) [L762] CALL processEnvironment() [L782] int tmp ; [L785] COND FALSE !(\read(pumpRunning)) [L800] FCALL processEnvironment__wrappee__base() [L762] RET processEnvironment() [L768] CALL __utac_acc__Specification1_spec__1() [L559] int tmp ; [L560] int tmp___0 ; [L564] CALL, EXPR isMethaneLevelCritical() [L635] int retValue_acc ; [L638] retValue_acc = methaneLevelCritical [L639] return (retValue_acc); [L564] RET, EXPR isMethaneLevelCritical() [L564] tmp = isMethaneLevelCritical() [L566] COND FALSE !(\read(tmp)) [L768] RET __utac_acc__Specification1_spec__1() [L732] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 689]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L596] int waterLevel = 1; [L597] int methaneLevelCritical = 0; [L746] int pumpRunning = 0; [L747] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L532] int retValue_acc ; [L533] int tmp ; [L537] FCALL select_helpers() [L538] FCALL select_features() [L539] CALL, EXPR valid_product() [L445] int retValue_acc ; [L448] retValue_acc = 1 [L449] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L539] RET, EXPR valid_product() [L539] tmp = valid_product() [L541] COND TRUE \read(tmp) [L543] FCALL setup() [L544] CALL runTest() [L526] CALL test() [L678] int splverifierCounter ; [L679] int tmp ; [L680] int tmp___0 ; [L681] int tmp___1 ; [L682] int tmp___2 ; [L685] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L689] COND TRUE splverifierCounter < 4 [L695] tmp = __VERIFIER_nondet_int() [L697] COND FALSE !(\read(tmp)) [L705] tmp___0 = __VERIFIER_nondet_int() [L707] COND FALSE !(\read(tmp___0)) [L715] tmp___2 = __VERIFIER_nondet_int() [L717] COND FALSE !(\read(tmp___2)) [L723] tmp___1 = __VERIFIER_nondet_int() [L725] COND TRUE \read(tmp___1) [L732] CALL timeShift() [L753] COND FALSE !(\read(pumpRunning)) [L760] COND TRUE \read(systemActive) [L762] CALL processEnvironment() [L782] int tmp ; [L785] COND FALSE !(\read(pumpRunning)) [L800] FCALL processEnvironment__wrappee__base() [L762] RET processEnvironment() [L768] CALL __utac_acc__Specification1_spec__1() [L559] int tmp ; [L560] int tmp___0 ; [L564] CALL, EXPR isMethaneLevelCritical() [L635] int retValue_acc ; [L638] retValue_acc = methaneLevelCritical [L639] return (retValue_acc); [L564] RET, EXPR isMethaneLevelCritical() [L564] tmp = isMethaneLevelCritical() [L566] COND FALSE !(\read(tmp)) [L768] RET __utac_acc__Specification1_spec__1() [L732] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-23 23:35:38,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17443a4-4430-4cd5-8d33-31d7f5d79d04/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:35:38,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17443a4-4430-4cd5-8d33-31d7f5d79d04/bin/uautomizer-verify-LYvppIcaGC/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)