./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product51.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_ed228aae-9137-47a5-a0e7-faecad2f980e/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed228aae-9137-47a5-a0e7-faecad2f980e/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_ed228aae-9137-47a5-a0e7-faecad2f980e/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed228aae-9137-47a5-a0e7-faecad2f980e/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed228aae-9137-47a5-a0e7-faecad2f980e/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_ed228aae-9137-47a5-a0e7-faecad2f980e/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 2165aefdca75c2370f155996346c5c4ea8ed352d96946243b70bd7ef162ab29f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:30:32,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:30:32,506 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed228aae-9137-47a5-a0e7-faecad2f980e/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-12 02:30:32,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:30:32,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:30:32,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:30:32,560 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:30:32,561 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:30:32,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:30:32,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:30:32,568 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:30:32,568 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:30:32,569 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:30:32,571 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:30:32,571 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:30:32,571 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:30:32,572 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:30:32,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:30:32,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:30:32,573 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:30:32,574 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:30:32,576 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:30:32,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:30:32,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:30:32,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:30:32,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:30:32,578 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:30:32,578 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:30:32,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:30:32,579 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:30:32,580 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:30:32,581 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:30:32,581 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:30:32,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:30:32,600 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:30:32,601 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:30:32,601 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_ed228aae-9137-47a5-a0e7-faecad2f980e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed228aae-9137-47a5-a0e7-faecad2f980e/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2165aefdca75c2370f155996346c5c4ea8ed352d96946243b70bd7ef162ab29f [2023-11-12 02:30:32,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:30:32,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:30:32,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:30:32,996 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:30:32,997 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:30:32,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed228aae-9137-47a5-a0e7-faecad2f980e/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2023-11-12 02:30:35,976 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:30:36,344 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:30:36,345 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed228aae-9137-47a5-a0e7-faecad2f980e/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2023-11-12 02:30:36,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed228aae-9137-47a5-a0e7-faecad2f980e/bin/uautomizer-verify-uTZkv6EMXl/data/3ac5f5fad/92e06498d0e542da8d47975f83302775/FLAG8eb18fab1 [2023-11-12 02:30:36,383 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed228aae-9137-47a5-a0e7-faecad2f980e/bin/uautomizer-verify-uTZkv6EMXl/data/3ac5f5fad/92e06498d0e542da8d47975f83302775 [2023-11-12 02:30:36,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:30:36,401 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:30:36,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:30:36,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:30:36,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:30:36,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:36" (1/1) ... [2023-11-12 02:30:36,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43b5421a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:36, skipping insertion in model container [2023-11-12 02:30:36,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:36" (1/1) ... [2023-11-12 02:30:36,494 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:30:36,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:30:36,788 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:30:36,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-11-12 02:30:36,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [153] [2023-11-12 02:30:36,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [182] [2023-11-12 02:30:36,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [290] [2023-11-12 02:30:36,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [325] [2023-11-12 02:30:36,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [540] [2023-11-12 02:30:36,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [607] [2023-11-12 02:30:36,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [616] [2023-11-12 02:30:36,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:30:36,919 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:30:36,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:36 WrapperNode [2023-11-12 02:30:36,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:30:36,922 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:30:36,922 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:30:36,922 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:30:36,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:36" (1/1) ... [2023-11-12 02:30:36,961 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:36" (1/1) ... [2023-11-12 02:30:37,018 INFO L138 Inliner]: procedures = 56, calls = 101, calls flagged for inlining = 54, calls inlined = 82, statements flattened = 556 [2023-11-12 02:30:37,018 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:30:37,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:30:37,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:30:37,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:30:37,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:36" (1/1) ... [2023-11-12 02:30:37,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:36" (1/1) ... [2023-11-12 02:30:37,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:36" (1/1) ... [2023-11-12 02:30:37,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:36" (1/1) ... [2023-11-12 02:30:37,045 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:36" (1/1) ... [2023-11-12 02:30:37,052 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:36" (1/1) ... [2023-11-12 02:30:37,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:36" (1/1) ... [2023-11-12 02:30:37,058 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:36" (1/1) ... [2023-11-12 02:30:37,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:30:37,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:30:37,077 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:30:37,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:30:37,080 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:36" (1/1) ... [2023-11-12 02:30:37,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:37,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed228aae-9137-47a5-a0e7-faecad2f980e/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:37,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed228aae-9137-47a5-a0e7-faecad2f980e/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:37,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed228aae-9137-47a5-a0e7-faecad2f980e/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:30:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:30:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:30:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:30:37,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:30:37,293 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:30:37,295 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:30:37,809 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:30:37,820 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:30:37,821 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:30:37,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:37 BoogieIcfgContainer [2023-11-12 02:30:37,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:30:37,825 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:30:37,825 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:30:37,828 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:30:37,829 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:30:37,829 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:30:36" (1/3) ... [2023-11-12 02:30:37,830 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35df356b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:30:37, skipping insertion in model container [2023-11-12 02:30:37,831 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:30:37,831 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:36" (2/3) ... [2023-11-12 02:30:37,831 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35df356b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:30:37, skipping insertion in model container [2023-11-12 02:30:37,831 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:30:37,831 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:37" (3/3) ... [2023-11-12 02:30:37,835 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product51.cil.c [2023-11-12 02:30:37,913 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:30:37,913 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:30:37,913 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:30:37,913 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:30:37,914 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:30:37,915 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:30:37,915 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:30:37,915 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:30:37,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 169 states, 168 states have (on average 1.369047619047619) internal successors, (230), 168 states have internal predecessors, (230), 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 02:30:37,969 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2023-11-12 02:30:37,969 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:30:37,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:30:37,978 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:37,978 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:37,979 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:30:37,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 169 states, 168 states have (on average 1.369047619047619) internal successors, (230), 168 states have internal predecessors, (230), 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 02:30:37,998 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2023-11-12 02:30:38,002 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:30:38,003 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:30:38,006 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:38,006 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:38,011 INFO L748 eck$LassoCheckResult]: Stem: 29#$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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 43#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 24#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 133#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 118#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 68#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 90#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 160#L551-2true [2023-11-12 02:30:38,015 INFO L750 eck$LassoCheckResult]: Loop: 160#L551-2true assume !false; 48#L552true assume test_~splverifierCounter~0#1 < 4; 99#L553true havoc test_#t~nondet26#1;test_~tmp~6#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 91#L561true assume !(0 != test_~tmp~6#1); 41#L561-2true havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 151#L571true assume !(0 != test_~tmp___0~3#1); 35#L571-2true havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 167#L581true assume 0 != test_~tmp___2~0#1; 78#L587-2true assume { :begin_inline_timeShift } true; 100#L336true assume !(0 != ~pumpRunning~0); 101#L336-2true assume !(0 != ~systemActive~0); 56#L343-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 79#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 14#L165true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 19#L165-1true havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 80#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 160#L551-2true [2023-11-12 02:30:38,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:38,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-12 02:30:38,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:38,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834675416] [2023-11-12 02:30:38,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:38,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:38,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:38,174 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:38,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:38,178 INFO L85 PathProgramCache]: Analyzing trace with hash 376891942, now seen corresponding path program 1 times [2023-11-12 02:30:38,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:38,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356571064] [2023-11-12 02:30:38,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:38,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:38,190 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:38,200 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:38,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:38,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1732311018, now seen corresponding path program 1 times [2023-11-12 02:30:38,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:38,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004346711] [2023-11-12 02:30:38,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:38,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:38,551 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 02:30:38,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:38,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004346711] [2023-11-12 02:30:38,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004346711] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:38,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:38,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:30:38,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253609069] [2023-11-12 02:30:38,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:38,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:38,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:30:38,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:30:38,760 INFO L87 Difference]: Start difference. First operand has 169 states, 168 states have (on average 1.369047619047619) internal successors, (230), 168 states have internal predecessors, (230), 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 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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 02:30:38,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:38,956 INFO L93 Difference]: Finished difference Result 383 states and 503 transitions. [2023-11-12 02:30:38,957 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 383 states and 503 transitions. [2023-11-12 02:30:38,979 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 247 [2023-11-12 02:30:38,994 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 383 states to 353 states and 473 transitions. [2023-11-12 02:30:38,996 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 353 [2023-11-12 02:30:38,998 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 353 [2023-11-12 02:30:38,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 353 states and 473 transitions. [2023-11-12 02:30:39,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:30:39,008 INFO L218 hiAutomatonCegarLoop]: Abstraction has 353 states and 473 transitions. [2023-11-12 02:30:39,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states and 473 transitions. [2023-11-12 02:30:39,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 205. [2023-11-12 02:30:39,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 205 states have (on average 1.3365853658536586) internal successors, (274), 204 states have internal predecessors, (274), 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 02:30:39,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 274 transitions. [2023-11-12 02:30:39,063 INFO L240 hiAutomatonCegarLoop]: Abstraction has 205 states and 274 transitions. [2023-11-12 02:30:39,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:30:39,072 INFO L428 stractBuchiCegarLoop]: Abstraction has 205 states and 274 transitions. [2023-11-12 02:30:39,073 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:30:39,073 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 205 states and 274 transitions. [2023-11-12 02:30:39,101 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 144 [2023-11-12 02:30:39,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:30:39,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:30:39,102 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:39,102 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 02:30:39,103 INFO L748 eck$LassoCheckResult]: Stem: 611#$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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 612#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 608#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 609#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 710#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 662#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 663#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 672#L551-2 [2023-11-12 02:30:39,103 INFO L750 eck$LassoCheckResult]: Loop: 672#L551-2 assume !false; 638#L552 assume test_~splverifierCounter~0#1 < 4; 639#L553 havoc test_#t~nondet26#1;test_~tmp~6#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 680#L561 assume !(0 != test_~tmp~6#1); 629#L561-2 havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 630#L571 assume !(0 != test_~tmp___0~3#1); 594#L571-2 havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 621#L581 assume 0 != test_~tmp___2~0#1; 670#L587-2 assume { :begin_inline_timeShift } true; 671#L336 assume !(0 != ~pumpRunning~0); 690#L336-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 595#L394 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 596#L368-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 570#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 571#L368-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 655#L394-1 havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 650#L343-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 651#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 586#L165 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 588#L165-1 havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 598#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 672#L551-2 [2023-11-12 02:30:39,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:39,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-12 02:30:39,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:39,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326672653] [2023-11-12 02:30:39,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:39,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:39,161 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:39,173 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:39,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:39,174 INFO L85 PathProgramCache]: Analyzing trace with hash 202055504, now seen corresponding path program 1 times [2023-11-12 02:30:39,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:39,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033123715] [2023-11-12 02:30:39,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:39,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:39,201 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 02:30:39,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:39,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033123715] [2023-11-12 02:30:39,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033123715] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:39,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:39,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:30:39,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226985758] [2023-11-12 02:30:39,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:39,203 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:30:39,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:39,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:30:39,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:30:39,204 INFO L87 Difference]: Start difference. First operand 205 states and 274 transitions. cyclomatic complexity: 72 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 02:30:39,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:39,285 INFO L93 Difference]: Finished difference Result 255 states and 325 transitions. [2023-11-12 02:30:39,285 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 255 states and 325 transitions. [2023-11-12 02:30:39,288 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 183 [2023-11-12 02:30:39,291 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 255 states to 255 states and 325 transitions. [2023-11-12 02:30:39,291 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 255 [2023-11-12 02:30:39,292 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 255 [2023-11-12 02:30:39,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 255 states and 325 transitions. [2023-11-12 02:30:39,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:30:39,293 INFO L218 hiAutomatonCegarLoop]: Abstraction has 255 states and 325 transitions. [2023-11-12 02:30:39,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states and 325 transitions. [2023-11-12 02:30:39,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2023-11-12 02:30:39,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 255 states have (on average 1.2745098039215685) internal successors, (325), 254 states have internal predecessors, (325), 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 02:30:39,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 325 transitions. [2023-11-12 02:30:39,307 INFO L240 hiAutomatonCegarLoop]: Abstraction has 255 states and 325 transitions. [2023-11-12 02:30:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:30:39,309 INFO L428 stractBuchiCegarLoop]: Abstraction has 255 states and 325 transitions. [2023-11-12 02:30:39,309 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-12 02:30:39,309 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 255 states and 325 transitions. [2023-11-12 02:30:39,311 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 183 [2023-11-12 02:30:39,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:30:39,312 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:30:39,313 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:39,313 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:39,314 INFO L748 eck$LassoCheckResult]: Stem: 1075#$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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1076#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1072#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1073#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 1184#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1132#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1133#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1145#L551-2 [2023-11-12 02:30:39,314 INFO L750 eck$LassoCheckResult]: Loop: 1145#L551-2 assume !false; 1103#L552 assume test_~splverifierCounter~0#1 < 4; 1104#L553 havoc test_#t~nondet26#1;test_~tmp~6#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 1153#L561 assume !(0 != test_~tmp~6#1); 1094#L561-2 havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 1095#L571 assume !(0 != test_~tmp___0~3#1); 1058#L571-2 havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 1085#L581 assume 0 != test_~tmp___2~0#1; 1141#L587-2 assume { :begin_inline_timeShift } true; 1142#L336 assume !(0 != ~pumpRunning~0); 1163#L336-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 1059#L394 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 1060#L368-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;havoc isHighWaterSensorDry_~retValue_acc~3#1; 1067#L271-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; 1068#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret24#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret24#1;havoc isHighWaterLevel_#t~ret24#1; 1036#L496-3 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1037#L496-5 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 1086#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret13#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret13#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1; 1081#L372-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1083#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1087#L368-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1124#L394-1 havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 1125#L343-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 1143#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 1050#L165 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 1052#L165-1 havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1144#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1145#L551-2 [2023-11-12 02:30:39,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:39,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2023-11-12 02:30:39,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:39,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082249148] [2023-11-12 02:30:39,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:39,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:39,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:39,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:39,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:39,338 INFO L85 PathProgramCache]: Analyzing trace with hash 578490280, now seen corresponding path program 1 times [2023-11-12 02:30:39,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:39,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601132601] [2023-11-12 02:30:39,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:39,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:39,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:39,360 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:39,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:39,361 INFO L85 PathProgramCache]: Analyzing trace with hash 953778020, now seen corresponding path program 1 times [2023-11-12 02:30:39,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:39,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840167707] [2023-11-12 02:30:39,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:39,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:39,377 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:39,403 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:40,588 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:40,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:30:40 BoogieIcfgContainer [2023-11-12 02:30:40,639 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:30:40,640 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:30:40,640 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:30:40,640 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:30:40,641 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:37" (3/4) ... [2023-11-12 02:30:40,642 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-12 02:30:40,693 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed228aae-9137-47a5-a0e7-faecad2f980e/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:30:40,693 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:30:40,694 INFO L158 Benchmark]: Toolchain (without parser) took 4292.46ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 149.0MB in the beginning and 117.9MB in the end (delta: 31.1MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2023-11-12 02:30:40,694 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 130.0MB. Free memory was 102.4MB in the beginning and 102.3MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:30:40,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.94ms. Allocated memory is still 178.3MB. Free memory was 149.0MB in the beginning and 130.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:30:40,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.11ms. Allocated memory is still 178.3MB. Free memory was 130.1MB in the beginning and 126.8MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:30:40,695 INFO L158 Benchmark]: Boogie Preprocessor took 43.50ms. Allocated memory is still 178.3MB. Free memory was 126.8MB in the beginning and 124.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:30:40,696 INFO L158 Benchmark]: RCFGBuilder took 746.34ms. Allocated memory is still 178.3MB. Free memory was 124.7MB in the beginning and 125.6MB in the end (delta: -899.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 02:30:40,696 INFO L158 Benchmark]: BuchiAutomizer took 2814.80ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 125.6MB in the beginning and 120.0MB in the end (delta: 5.6MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2023-11-12 02:30:40,697 INFO L158 Benchmark]: Witness Printer took 53.32ms. Allocated memory is still 213.9MB. Free memory was 120.0MB in the beginning and 117.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:30:40,699 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 130.0MB. Free memory was 102.4MB in the beginning and 102.3MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 515.94ms. Allocated memory is still 178.3MB. Free memory was 149.0MB in the beginning and 130.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.11ms. Allocated memory is still 178.3MB. Free memory was 130.1MB in the beginning and 126.8MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.50ms. Allocated memory is still 178.3MB. Free memory was 126.8MB in the beginning and 124.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 746.34ms. Allocated memory is still 178.3MB. Free memory was 124.7MB in the beginning and 125.6MB in the end (delta: -899.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2814.80ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 125.6MB in the beginning and 120.0MB in the end (delta: 5.6MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * Witness Printer took 53.32ms. Allocated memory is still 213.9MB. Free memory was 120.0MB in the beginning and 117.9MB 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,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [153] - GenericResultAtLocation [Line: 182]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [182] - GenericResultAtLocation [Line: 290]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [290] - GenericResultAtLocation [Line: 325]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [325] - GenericResultAtLocation [Line: 540]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [540] - GenericResultAtLocation [Line: 607]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [607] - GenericResultAtLocation [Line: 616]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [616] * 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 255 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. 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, 148 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1146 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1146 mSDsluCounter, 1349 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 936 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 413 mSDtfsCounter, 70 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 551]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L188] int waterLevel = 1; [L189] int methaneLevelCritical = 0; [L329] int pumpRunning = 0; [L330] int systemActive = 1; [L786] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L317] int retValue_acc ; [L320] retValue_acc = 1 [L321] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L542] int splverifierCounter ; [L543] int tmp ; [L544] int tmp___0 ; [L545] int tmp___1 ; [L546] int tmp___2 ; [L549] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L551] COND TRUE 1 [L553] COND TRUE splverifierCounter < 4 [L559] tmp = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp)) [L569] tmp___0 = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp___0)) [L579] tmp___2 = __VERIFIER_nondet_int() [L581] COND TRUE \read(tmp___2) [L596] CALL timeShift() [L336] COND FALSE !(\read(pumpRunning)) [L343] COND TRUE \read(systemActive) [L345] CALL processEnvironment() [L391] int tmp ; [L394] COND FALSE !(\read(pumpRunning)) [L409] CALL processEnvironment__wrappee__highWaterSensor() [L365] int tmp ; [L368] COND TRUE ! pumpRunning [L370] CALL, EXPR isHighWaterLevel() [L488] int retValue_acc ; [L489] int tmp ; [L490] int tmp___0 ; [L494] CALL, EXPR isHighWaterSensorDry() [L268] int retValue_acc ; [L271] COND TRUE waterLevel < 2 [L272] retValue_acc = 1 [L273] return (retValue_acc); [L494] RET, EXPR isHighWaterSensorDry() [L494] tmp = isHighWaterSensorDry() [L496] COND TRUE \read(tmp) [L497] tmp___0 = 0 [L501] retValue_acc = tmp___0 [L502] return (retValue_acc); [L370] RET, EXPR isHighWaterLevel() [L370] tmp = isHighWaterLevel() [L372] COND FALSE !(\read(tmp)) [L378] FCALL processEnvironment__wrappee__base() [L409] RET processEnvironment__wrappee__highWaterSensor() [L345] RET processEnvironment() [L351] CALL __utac_acc__Specification4_spec__1() [L158] int tmp ; [L159] int tmp___0 ; [L163] CALL, EXPR getWaterLevel() [L259] int retValue_acc ; [L262] retValue_acc = waterLevel [L263] return (retValue_acc); [L163] RET, EXPR getWaterLevel() [L163] tmp = getWaterLevel() [L165] COND FALSE !(tmp == 0) [L351] RET __utac_acc__Specification4_spec__1() [L596] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 551]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L188] int waterLevel = 1; [L189] int methaneLevelCritical = 0; [L329] int pumpRunning = 0; [L330] int systemActive = 1; [L786] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L317] int retValue_acc ; [L320] retValue_acc = 1 [L321] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L542] int splverifierCounter ; [L543] int tmp ; [L544] int tmp___0 ; [L545] int tmp___1 ; [L546] int tmp___2 ; [L549] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L551] COND TRUE 1 [L553] COND TRUE splverifierCounter < 4 [L559] tmp = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp)) [L569] tmp___0 = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp___0)) [L579] tmp___2 = __VERIFIER_nondet_int() [L581] COND TRUE \read(tmp___2) [L596] CALL timeShift() [L336] COND FALSE !(\read(pumpRunning)) [L343] COND TRUE \read(systemActive) [L345] CALL processEnvironment() [L391] int tmp ; [L394] COND FALSE !(\read(pumpRunning)) [L409] CALL processEnvironment__wrappee__highWaterSensor() [L365] int tmp ; [L368] COND TRUE ! pumpRunning [L370] CALL, EXPR isHighWaterLevel() [L488] int retValue_acc ; [L489] int tmp ; [L490] int tmp___0 ; [L494] CALL, EXPR isHighWaterSensorDry() [L268] int retValue_acc ; [L271] COND TRUE waterLevel < 2 [L272] retValue_acc = 1 [L273] return (retValue_acc); [L494] RET, EXPR isHighWaterSensorDry() [L494] tmp = isHighWaterSensorDry() [L496] COND TRUE \read(tmp) [L497] tmp___0 = 0 [L501] retValue_acc = tmp___0 [L502] return (retValue_acc); [L370] RET, EXPR isHighWaterLevel() [L370] tmp = isHighWaterLevel() [L372] COND FALSE !(\read(tmp)) [L378] FCALL processEnvironment__wrappee__base() [L409] RET processEnvironment__wrappee__highWaterSensor() [L345] RET processEnvironment() [L351] CALL __utac_acc__Specification4_spec__1() [L158] int tmp ; [L159] int tmp___0 ; [L163] CALL, EXPR getWaterLevel() [L259] int retValue_acc ; [L262] retValue_acc = waterLevel [L263] return (retValue_acc); [L163] RET, EXPR getWaterLevel() [L163] tmp = getWaterLevel() [L165] COND FALSE !(tmp == 0) [L351] RET __utac_acc__Specification4_spec__1() [L596] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-12 02:30:40,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed228aae-9137-47a5-a0e7-faecad2f980e/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)