./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23a3a6-0a33-4fcd-853a-1d9ca25012a6/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23a3a6-0a33-4fcd-853a-1d9ca25012a6/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23a3a6-0a33-4fcd-853a-1d9ca25012a6/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23a3a6-0a33-4fcd-853a-1d9ca25012a6/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23a3a6-0a33-4fcd-853a-1d9ca25012a6/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23a3a6-0a33-4fcd-853a-1d9ca25012a6/bin/uautomizer-verify-uTZkv6EMXl --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 a02362aeafc2e43a1be9ec43f97ab5a222e55f9c6ade6d7cf376000405834eaa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:27:24,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:27:25,047 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23a3a6-0a33-4fcd-853a-1d9ca25012a6/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-12 02:27:25,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:27:25,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:27:25,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:27:25,080 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:27:25,081 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:27:25,082 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:27:25,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:27:25,083 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:27:25,084 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:27:25,084 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:27:25,085 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:27:25,086 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:27:25,086 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:27:25,087 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:27:25,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:27:25,088 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:27:25,088 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:27:25,089 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:27:25,090 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:27:25,090 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:27:25,091 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:27:25,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:27:25,092 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:27:25,093 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:27:25,093 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:27:25,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:27:25,094 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:27:25,095 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:27:25,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:27:25,096 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:27:25,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:27:25,097 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:27:25,098 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:27:25,098 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_0a23a3a6-0a33-4fcd-853a-1d9ca25012a6/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23a3a6-0a33-4fcd-853a-1d9ca25012a6/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a02362aeafc2e43a1be9ec43f97ab5a222e55f9c6ade6d7cf376000405834eaa [2023-11-12 02:27:25,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:27:25,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:27:25,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:27:25,363 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:27:25,363 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:27:25,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23a3a6-0a33-4fcd-853a-1d9ca25012a6/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c [2023-11-12 02:27:28,528 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:27:28,818 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:27:28,819 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23a3a6-0a33-4fcd-853a-1d9ca25012a6/sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c [2023-11-12 02:27:28,833 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23a3a6-0a33-4fcd-853a-1d9ca25012a6/bin/uautomizer-verify-uTZkv6EMXl/data/369e29d32/9defd49c1e3147fc9415a6c2e72cfa6f/FLAG1ccc71978 [2023-11-12 02:27:28,849 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23a3a6-0a33-4fcd-853a-1d9ca25012a6/bin/uautomizer-verify-uTZkv6EMXl/data/369e29d32/9defd49c1e3147fc9415a6c2e72cfa6f [2023-11-12 02:27:28,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:27:28,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:27:28,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:27:28,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:27:28,873 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:27:28,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:27:28" (1/1) ... [2023-11-12 02:27:28,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42eb1cf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:28, skipping insertion in model container [2023-11-12 02:27:28,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:27:28" (1/1) ... [2023-11-12 02:27:28,952 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:27:29,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:27:29,217 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:27:29,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-11-12 02:27:29,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [135] [2023-11-12 02:27:29,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [144] [2023-11-12 02:27:29,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [248] [2023-11-12 02:27:29,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [283] [2023-11-12 02:27:29,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [432] [2023-11-12 02:27:29,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [499] [2023-11-12 02:27:29,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [865] [2023-11-12 02:27:29,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:27:29,330 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:27:29,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:29 WrapperNode [2023-11-12 02:27:29,331 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:27:29,332 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:27:29,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:27:29,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:27:29,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:29" (1/1) ... [2023-11-12 02:27:29,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:29" (1/1) ... [2023-11-12 02:27:29,390 INFO L138 Inliner]: procedures = 53, calls = 96, calls flagged for inlining = 49, calls inlined = 44, statements flattened = 275 [2023-11-12 02:27:29,391 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:27:29,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:27:29,392 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:27:29,392 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:27:29,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:29" (1/1) ... [2023-11-12 02:27:29,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:29" (1/1) ... [2023-11-12 02:27:29,405 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:29" (1/1) ... [2023-11-12 02:27:29,406 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:29" (1/1) ... [2023-11-12 02:27:29,412 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:29" (1/1) ... [2023-11-12 02:27:29,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:29" (1/1) ... [2023-11-12 02:27:29,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:29" (1/1) ... [2023-11-12 02:27:29,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:29" (1/1) ... [2023-11-12 02:27:29,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:27:29,426 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:27:29,426 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:27:29,426 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:27:29,427 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:29" (1/1) ... [2023-11-12 02:27:29,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:27:29,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23a3a6-0a33-4fcd-853a-1d9ca25012a6/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:27:29,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23a3a6-0a33-4fcd-853a-1d9ca25012a6/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:27:29,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23a3a6-0a33-4fcd-853a-1d9ca25012a6/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:27:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:27:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:27:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:27:29,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:27:29,656 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:27:29,658 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:27:30,011 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:27:30,020 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:27:30,020 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:27:30,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:27:30 BoogieIcfgContainer [2023-11-12 02:27:30,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:27:30,024 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:27:30,025 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:27:30,029 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:27:30,030 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:27:30,031 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:27:28" (1/3) ... [2023-11-12 02:27:30,032 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@87cf01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:27:30, skipping insertion in model container [2023-11-12 02:27:30,032 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:27:30,033 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:29" (2/3) ... [2023-11-12 02:27:30,033 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@87cf01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:27:30, skipping insertion in model container [2023-11-12 02:27:30,033 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:27:30,033 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:27:30" (3/3) ... [2023-11-12 02:27:30,035 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product11.cil.c [2023-11-12 02:27:30,095 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:27:30,095 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:27:30,095 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:27:30,095 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:27:30,096 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:27:30,096 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:27:30,096 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:27:30,096 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:27:30,102 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 92 states, 91 states have (on average 1.3516483516483517) internal successors, (123), 91 states have internal predecessors, (123), 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) [2023-11-12 02:27:30,127 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2023-11-12 02:27:30,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:27:30,127 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:27:30,135 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:27:30,136 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:27:30,136 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:27:30,137 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 92 states, 91 states have (on average 1.3516483516483517) internal successors, (123), 91 states have internal predecessors, (123), 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) [2023-11-12 02:27:30,143 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2023-11-12 02:27:30,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:27:30,144 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:27:30,145 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:27:30,145 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:27:30,151 INFO L748 eck$LassoCheckResult]: Stem: 40#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 50#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 32#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 48#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~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; 27#valid_product_returnLabel#1true main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 55#L235true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 5#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 67#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#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; 21#L443-2true [2023-11-12 02:27:30,152 INFO L750 eck$LassoCheckResult]: Loop: 21#L443-2true assume !false; 38#L444true assume test_~splverifierCounter~0#1 < 4; 49#L445true havoc test_#t~nondet21#1;test_~tmp~2#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 53#L453true assume !(0 != test_~tmp~2#1); 16#L453-2true havoc test_#t~nondet22#1;test_~tmp___0~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 52#L463true assume !(0 != test_~tmp___0~0#1); 64#L463-2true havoc test_#t~nondet23#1;test_~tmp___2~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 74#L473true assume 0 != test_~tmp___2~0#1; 42#L479-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;havoc isPumpRunning_~retValue_acc~6#1;isPumpRunning_~retValue_acc~6#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; 60#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 19#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 87#L300true assume !(0 != ~pumpRunning~0); 46#L300-2true assume !(0 != ~systemActive~0); 35#L307-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 80#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 18#L893true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 82#L893-1true havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 81#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 21#L443-2true [2023-11-12 02:27:30,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:30,159 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-12 02:27:30,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:30,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114874738] [2023-11-12 02:27:30,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:30,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:27:30,294 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:27:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:27:30,337 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:27:30,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:30,342 INFO L85 PathProgramCache]: Analyzing trace with hash -2013525714, now seen corresponding path program 1 times [2023-11-12 02:27:30,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:30,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443026620] [2023-11-12 02:27:30,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:30,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:27:30,370 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:27:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:27:30,382 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:27:30,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:30,384 INFO L85 PathProgramCache]: Analyzing trace with hash 942089175, now seen corresponding path program 1 times [2023-11-12 02:27:30,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:30,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68514025] [2023-11-12 02:27:30,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:30,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:30,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:27:30,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:27:30,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68514025] [2023-11-12 02:27:30,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68514025] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:27:30,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:27:30,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:27:30,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141793718] [2023-11-12 02:27:30,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:27:30,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:27:30,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:27:30,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:27:30,952 INFO L87 Difference]: Start difference. First operand has 92 states, 91 states have (on average 1.3516483516483517) internal successors, (123), 91 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:31,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:27:31,102 INFO L93 Difference]: Finished difference Result 237 states and 300 transitions. [2023-11-12 02:27:31,103 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 237 states and 300 transitions. [2023-11-12 02:27:31,113 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 149 [2023-11-12 02:27:31,122 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 237 states to 207 states and 270 transitions. [2023-11-12 02:27:31,124 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 207 [2023-11-12 02:27:31,125 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 207 [2023-11-12 02:27:31,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 270 transitions. [2023-11-12 02:27:31,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:27:31,128 INFO L218 hiAutomatonCegarLoop]: Abstraction has 207 states and 270 transitions. [2023-11-12 02:27:31,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 270 transitions. [2023-11-12 02:27:31,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 137. [2023-11-12 02:27:31,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 137 states have (on average 1.3065693430656935) internal successors, (179), 136 states have internal predecessors, (179), 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) [2023-11-12 02:27:31,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 179 transitions. [2023-11-12 02:27:31,186 INFO L240 hiAutomatonCegarLoop]: Abstraction has 137 states and 179 transitions. [2023-11-12 02:27:31,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:27:31,192 INFO L428 stractBuchiCegarLoop]: Abstraction has 137 states and 179 transitions. [2023-11-12 02:27:31,192 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:27:31,192 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 179 transitions. [2023-11-12 02:27:31,196 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 98 [2023-11-12 02:27:31,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:27:31,197 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:27:31,197 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:27:31,198 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] [2023-11-12 02:27:31,198 INFO L748 eck$LassoCheckResult]: Stem: 403#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 404#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 392#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 393#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~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; 386#valid_product_returnLabel#1 main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 387#L235 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 349#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 350#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#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; 378#L443-2 [2023-11-12 02:27:31,198 INFO L750 eck$LassoCheckResult]: Loop: 378#L443-2 assume !false; 379#L444 assume test_~splverifierCounter~0#1 < 4; 401#L445 havoc test_#t~nondet21#1;test_~tmp~2#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 412#L453 assume !(0 != test_~tmp~2#1); 370#L453-2 havoc test_#t~nondet22#1;test_~tmp___0~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 371#L463 assume !(0 != test_~tmp___0~0#1); 413#L463-2 havoc test_#t~nondet23#1;test_~tmp___2~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 417#L473 assume 0 != test_~tmp___2~0#1; 407#L479-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;havoc isPumpRunning_~retValue_acc~6#1;isPumpRunning_~retValue_acc~6#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; 408#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 375#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 376#L300 assume !(0 != ~pumpRunning~0); 398#L300-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 389#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 390#L307-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 396#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 373#L893 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 363#L893-1 havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 423#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 378#L443-2 [2023-11-12 02:27:31,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:31,199 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-12 02:27:31,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:31,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939134072] [2023-11-12 02:27:31,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:31,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:27:31,212 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:27:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:27:31,226 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:27:31,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:31,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1661913640, now seen corresponding path program 1 times [2023-11-12 02:27:31,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:31,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137488797] [2023-11-12 02:27:31,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:31,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:27:31,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:27:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:27:31,245 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:27:31,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:31,246 INFO L85 PathProgramCache]: Analyzing trace with hash -232165297, now seen corresponding path program 1 times [2023-11-12 02:27:31,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:31,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326602147] [2023-11-12 02:27:31,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:31,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:31,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:27:31,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:27:31,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326602147] [2023-11-12 02:27:31,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326602147] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:27:31,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:27:31,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:27:31,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538784624] [2023-11-12 02:27:31,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:27:31,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:27:31,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:27:31,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:27:31,523 INFO L87 Difference]: Start difference. First operand 137 states and 179 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2023-11-12 02:27:31,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:27:31,694 INFO L93 Difference]: Finished difference Result 353 states and 459 transitions. [2023-11-12 02:27:31,695 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 353 states and 459 transitions. [2023-11-12 02:27:31,703 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 238 [2023-11-12 02:27:31,708 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 353 states to 353 states and 459 transitions. [2023-11-12 02:27:31,708 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 353 [2023-11-12 02:27:31,709 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 353 [2023-11-12 02:27:31,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 353 states and 459 transitions. [2023-11-12 02:27:31,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:27:31,712 INFO L218 hiAutomatonCegarLoop]: Abstraction has 353 states and 459 transitions. [2023-11-12 02:27:31,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states and 459 transitions. [2023-11-12 02:27:31,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 264. [2023-11-12 02:27:31,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 264 states have (on average 1.2878787878787878) internal successors, (340), 263 states have internal predecessors, (340), 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) [2023-11-12 02:27:31,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 340 transitions. [2023-11-12 02:27:31,733 INFO L240 hiAutomatonCegarLoop]: Abstraction has 264 states and 340 transitions. [2023-11-12 02:27:31,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:27:31,735 INFO L428 stractBuchiCegarLoop]: Abstraction has 264 states and 340 transitions. [2023-11-12 02:27:31,735 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-12 02:27:31,735 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 264 states and 340 transitions. [2023-11-12 02:27:31,738 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 194 [2023-11-12 02:27:31,738 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:27:31,738 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:27:31,739 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:27:31,739 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:27:31,740 INFO L748 eck$LassoCheckResult]: Stem: 915#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 916#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 902#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 903#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~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; 896#valid_product_returnLabel#1 main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 897#L235 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 856#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 857#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#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; 884#L443-2 [2023-11-12 02:27:31,740 INFO L750 eck$LassoCheckResult]: Loop: 884#L443-2 assume !false; 885#L444 assume test_~splverifierCounter~0#1 < 4; 1018#L445 havoc test_#t~nondet21#1;test_~tmp~2#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 1015#L453 assume !(0 != test_~tmp~2#1); 1011#L453-2 havoc test_#t~nondet22#1;test_~tmp___0~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 1008#L463 assume !(0 != test_~tmp___0~0#1); 1004#L463-2 havoc test_#t~nondet23#1;test_~tmp___2~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 1001#L473 assume 0 != test_~tmp___2~0#1; 998#L479-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;havoc isPumpRunning_~retValue_acc~6#1;isPumpRunning_~retValue_acc~6#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; 995#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 971#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 967#L300 assume !(0 != ~pumpRunning~0); 963#L300-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 960#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 961#L307-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 944#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 879#L893 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;havoc isPumpRunning_~retValue_acc~6#1;isPumpRunning_~retValue_acc~6#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; 880#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 866#L897 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1#1); 867#L893-1 havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 945#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 884#L443-2 [2023-11-12 02:27:31,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:31,741 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2023-11-12 02:27:31,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:31,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325723348] [2023-11-12 02:27:31,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:31,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:27:31,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:27:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:27:31,760 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:27:31,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:31,761 INFO L85 PathProgramCache]: Analyzing trace with hash 607820275, now seen corresponding path program 1 times [2023-11-12 02:27:31,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:31,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450065213] [2023-11-12 02:27:31,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:31,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:31,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:27:31,778 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:27:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:27:31,797 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:27:31,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:31,798 INFO L85 PathProgramCache]: Analyzing trace with hash 206443178, now seen corresponding path program 1 times [2023-11-12 02:27:31,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:31,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687092104] [2023-11-12 02:27:31,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:31,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:27:31,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:27:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:27:31,865 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:27:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:27:33,033 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:27:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:27:33,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:27:33 BoogieIcfgContainer [2023-11-12 02:27:33,118 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:27:33,119 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:27:33,119 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:27:33,120 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:27:33,121 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:27:30" (3/4) ... [2023-11-12 02:27:33,122 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-12 02:27:33,182 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23a3a6-0a33-4fcd-853a-1d9ca25012a6/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:27:33,182 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:27:33,183 INFO L158 Benchmark]: Toolchain (without parser) took 4328.99ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 85.3MB in the beginning and 63.9MB in the end (delta: 21.4MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2023-11-12 02:27:33,183 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 98.6MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:27:33,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.91ms. Allocated memory is still 130.0MB. Free memory was 85.1MB in the beginning and 66.5MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:27:33,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.40ms. Allocated memory is still 130.0MB. Free memory was 66.5MB in the beginning and 63.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:27:33,185 INFO L158 Benchmark]: Boogie Preprocessor took 33.66ms. Allocated memory is still 130.0MB. Free memory was 63.8MB in the beginning and 62.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:27:33,185 INFO L158 Benchmark]: RCFGBuilder took 597.63ms. Allocated memory is still 130.0MB. Free memory was 62.3MB in the beginning and 89.1MB in the end (delta: -26.8MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2023-11-12 02:27:33,186 INFO L158 Benchmark]: BuchiAutomizer took 3094.11ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 89.1MB in the beginning and 67.1MB in the end (delta: 22.0MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2023-11-12 02:27:33,186 INFO L158 Benchmark]: Witness Printer took 63.13ms. Allocated memory is still 157.3MB. Free memory was 66.0MB in the beginning and 63.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:27:33,189 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 98.6MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.91ms. Allocated memory is still 130.0MB. Free memory was 85.1MB in the beginning and 66.5MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.40ms. Allocated memory is still 130.0MB. Free memory was 66.5MB in the beginning and 63.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.66ms. Allocated memory is still 130.0MB. Free memory was 63.8MB in the beginning and 62.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 597.63ms. Allocated memory is still 130.0MB. Free memory was 62.3MB in the beginning and 89.1MB in the end (delta: -26.8MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3094.11ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 89.1MB in the beginning and 67.1MB in the end (delta: 22.0MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Witness Printer took 63.13ms. Allocated memory is still 157.3MB. Free memory was 66.0MB in the beginning and 63.9MB 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [135] - GenericResultAtLocation [Line: 144]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [144] - GenericResultAtLocation [Line: 248]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [248] - GenericResultAtLocation [Line: 283]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [283] - GenericResultAtLocation [Line: 432]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [432] - GenericResultAtLocation [Line: 499]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [499] - GenericResultAtLocation [Line: 865]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [865] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 264 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 159 StatesRemovedByMinimization, 2 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, 580 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 580 mSDsluCounter, 1196 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 964 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 232 mSDtfsCounter, 119 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 443]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L145] int cleanupTimeShifts = 4; [L288] int pumpRunning = 0; [L289] int systemActive = 1; [L669] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L866] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L226] int retValue_acc ; [L227] int tmp ; [L231] FCALL select_helpers() [L232] FCALL select_features() [L233] CALL, EXPR valid_product() [L275] int retValue_acc ; [L278] retValue_acc = 1 [L279] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L233] RET, EXPR valid_product() [L233] tmp = valid_product() [L235] COND TRUE \read(tmp) [L237] FCALL setup() [L238] CALL runTest() [L216] CALL __utac_acc__Specification5_spec__1() [L871] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L216] RET __utac_acc__Specification5_spec__1() [L217] CALL test() [L434] int splverifierCounter ; [L435] int tmp ; [L436] int tmp___0 ; [L437] int tmp___1 ; [L438] int tmp___2 ; [L441] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L443] COND TRUE 1 [L445] COND TRUE splverifierCounter < 4 [L451] tmp = __VERIFIER_nondet_int() [L453] COND FALSE !(\read(tmp)) [L461] tmp___0 = __VERIFIER_nondet_int() [L463] COND FALSE !(\read(tmp___0)) [L471] tmp___2 = __VERIFIER_nondet_int() [L473] COND TRUE \read(tmp___2) [L488] CALL timeShift() [L298] CALL __utac_acc__Specification5_spec__2() [L880] CALL, EXPR isPumpRunning() [L373] int retValue_acc ; [L376] retValue_acc = pumpRunning [L377] return (retValue_acc); [L880] RET, EXPR isPumpRunning() [L880] switchedOnBeforeTS = isPumpRunning() [L298] RET __utac_acc__Specification5_spec__2() [L300] COND FALSE !(\read(pumpRunning)) [L307] COND TRUE \read(systemActive) [L309] FCALL processEnvironment() [L315] CALL __utac_acc__Specification5_spec__3() [L886] int tmp ; [L887] int tmp___0 ; [L891] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L891] RET, EXPR getWaterLevel() [L891] tmp = getWaterLevel() [L893] COND TRUE tmp != 2 [L895] CALL, EXPR isPumpRunning() [L373] int retValue_acc ; [L376] retValue_acc = pumpRunning [L377] return (retValue_acc); [L895] RET, EXPR isPumpRunning() [L895] tmp___0 = isPumpRunning() [L897] COND FALSE !(\read(tmp___0)) [L315] RET __utac_acc__Specification5_spec__3() [L488] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 443]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L145] int cleanupTimeShifts = 4; [L288] int pumpRunning = 0; [L289] int systemActive = 1; [L669] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L866] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L226] int retValue_acc ; [L227] int tmp ; [L231] FCALL select_helpers() [L232] FCALL select_features() [L233] CALL, EXPR valid_product() [L275] int retValue_acc ; [L278] retValue_acc = 1 [L279] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L233] RET, EXPR valid_product() [L233] tmp = valid_product() [L235] COND TRUE \read(tmp) [L237] FCALL setup() [L238] CALL runTest() [L216] CALL __utac_acc__Specification5_spec__1() [L871] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L216] RET __utac_acc__Specification5_spec__1() [L217] CALL test() [L434] int splverifierCounter ; [L435] int tmp ; [L436] int tmp___0 ; [L437] int tmp___1 ; [L438] int tmp___2 ; [L441] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L443] COND TRUE 1 [L445] COND TRUE splverifierCounter < 4 [L451] tmp = __VERIFIER_nondet_int() [L453] COND FALSE !(\read(tmp)) [L461] tmp___0 = __VERIFIER_nondet_int() [L463] COND FALSE !(\read(tmp___0)) [L471] tmp___2 = __VERIFIER_nondet_int() [L473] COND TRUE \read(tmp___2) [L488] CALL timeShift() [L298] CALL __utac_acc__Specification5_spec__2() [L880] CALL, EXPR isPumpRunning() [L373] int retValue_acc ; [L376] retValue_acc = pumpRunning [L377] return (retValue_acc); [L880] RET, EXPR isPumpRunning() [L880] switchedOnBeforeTS = isPumpRunning() [L298] RET __utac_acc__Specification5_spec__2() [L300] COND FALSE !(\read(pumpRunning)) [L307] COND TRUE \read(systemActive) [L309] FCALL processEnvironment() [L315] CALL __utac_acc__Specification5_spec__3() [L886] int tmp ; [L887] int tmp___0 ; [L891] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L891] RET, EXPR getWaterLevel() [L891] tmp = getWaterLevel() [L893] COND TRUE tmp != 2 [L895] CALL, EXPR isPumpRunning() [L373] int retValue_acc ; [L376] retValue_acc = pumpRunning [L377] return (retValue_acc); [L895] RET, EXPR isPumpRunning() [L895] tmp___0 = isPumpRunning() [L897] COND FALSE !(\read(tmp___0)) [L315] RET __utac_acc__Specification5_spec__3() [L488] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-12 02:27:33,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23a3a6-0a33-4fcd-853a-1d9ca25012a6/bin/uautomizer-verify-uTZkv6EMXl/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)