./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997ea8b9-bc54-4107-b8a0-93b6d20f278a/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997ea8b9-bc54-4107-b8a0-93b6d20f278a/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997ea8b9-bc54-4107-b8a0-93b6d20f278a/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997ea8b9-bc54-4107-b8a0-93b6d20f278a/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997ea8b9-bc54-4107-b8a0-93b6d20f278a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997ea8b9-bc54-4107-b8a0-93b6d20f278a/bin/uautomizer-verify-uCwYo4JHxu --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 a64b003b731919e31189fa64bb054d2c00bb1b0f73ef780cb3fb445d82092416 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:34:09,628 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:34:09,766 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997ea8b9-bc54-4107-b8a0-93b6d20f278a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:34:09,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:34:09,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:34:09,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:34:09,818 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:34:09,818 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:34:09,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:34:09,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:34:09,826 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:34:09,827 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:34:09,828 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:34:09,830 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:34:09,830 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:34:09,831 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:34:09,831 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:34:09,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:34:09,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:34:09,833 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:34:09,834 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:34:09,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:34:09,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:34:09,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:34:09,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:34:09,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:34:09,837 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:34:09,838 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:34:09,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:34:09,839 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:34:09,840 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:34:09,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:34:09,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:34:09,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:34:09,842 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:34:09,843 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:34:09,843 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_997ea8b9-bc54-4107-b8a0-93b6d20f278a/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997ea8b9-bc54-4107-b8a0-93b6d20f278a/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a64b003b731919e31189fa64bb054d2c00bb1b0f73ef780cb3fb445d82092416 [2023-11-19 07:34:10,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:34:10,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:34:10,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:34:10,160 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:34:10,161 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:34:10,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997ea8b9-bc54-4107-b8a0-93b6d20f278a/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2023-11-19 07:34:13,374 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:34:13,688 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:34:13,689 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997ea8b9-bc54-4107-b8a0-93b6d20f278a/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2023-11-19 07:34:13,704 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997ea8b9-bc54-4107-b8a0-93b6d20f278a/bin/uautomizer-verify-uCwYo4JHxu/data/bf5cc319e/e4ec1ea459cf4139bf24d9e4b6c17338/FLAGb768db145 [2023-11-19 07:34:13,720 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997ea8b9-bc54-4107-b8a0-93b6d20f278a/bin/uautomizer-verify-uCwYo4JHxu/data/bf5cc319e/e4ec1ea459cf4139bf24d9e4b6c17338 [2023-11-19 07:34:13,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:34:13,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:34:13,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:34:13,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:34:13,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:34:13,743 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:13" (1/1) ... [2023-11-19 07:34:13,744 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f4e5de8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:13, skipping insertion in model container [2023-11-19 07:34:13,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:13" (1/1) ... [2023-11-19 07:34:13,807 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:34:14,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:34:14,173 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:34:14,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-19 07:34:14,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] [2023-11-19 07:34:14,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [96] [2023-11-19 07:34:14,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [197] [2023-11-19 07:34:14,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [563] [2023-11-19 07:34:14,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [600] [2023-11-19 07:34:14,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [753] [2023-11-19 07:34:14,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [820] [2023-11-19 07:34:14,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:34:14,275 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:34:14,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:14 WrapperNode [2023-11-19 07:34:14,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:34:14,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:34:14,277 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:34:14,277 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:34:14,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:14" (1/1) ... [2023-11-19 07:34:14,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:14" (1/1) ... [2023-11-19 07:34:14,336 INFO L138 Inliner]: procedures = 51, calls = 96, calls flagged for inlining = 49, calls inlined = 55, statements flattened = 349 [2023-11-19 07:34:14,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:34:14,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:34:14,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:34:14,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:34:14,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:14" (1/1) ... [2023-11-19 07:34:14,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:14" (1/1) ... [2023-11-19 07:34:14,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:14" (1/1) ... [2023-11-19 07:34:14,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:14" (1/1) ... [2023-11-19 07:34:14,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:14" (1/1) ... [2023-11-19 07:34:14,366 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:14" (1/1) ... [2023-11-19 07:34:14,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:14" (1/1) ... [2023-11-19 07:34:14,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:14" (1/1) ... [2023-11-19 07:34:14,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:34:14,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:34:14,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:34:14,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:34:14,376 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:14" (1/1) ... [2023-11-19 07:34:14,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:34:14,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997ea8b9-bc54-4107-b8a0-93b6d20f278a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:34:14,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997ea8b9-bc54-4107-b8a0-93b6d20f278a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:34:14,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997ea8b9-bc54-4107-b8a0-93b6d20f278a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:34:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:34:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:34:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:34:14,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:34:14,556 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:34:14,558 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:34:14,901 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:34:14,912 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:34:14,913 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:34:14,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:14 BoogieIcfgContainer [2023-11-19 07:34:14,918 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:34:14,919 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:34:14,919 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:34:14,922 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:34:14,923 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:34:14,923 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:34:13" (1/3) ... [2023-11-19 07:34:14,924 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fae7116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:34:14, skipping insertion in model container [2023-11-19 07:34:14,925 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:34:14,925 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:14" (2/3) ... [2023-11-19 07:34:14,925 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fae7116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:34:14, skipping insertion in model container [2023-11-19 07:34:14,925 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:34:14,925 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:14" (3/3) ... [2023-11-19 07:34:14,927 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product07.cil.c [2023-11-19 07:34:14,988 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:34:14,988 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:34:14,988 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:34:14,989 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:34:14,989 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:34:14,989 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:34:14,989 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:34:14,989 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:34:14,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.3518518518518519) internal successors, (146), 108 states have internal predecessors, (146), 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) [2023-11-19 07:34:15,022 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2023-11-19 07:34:15,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:34:15,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:34:15,031 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:34:15,031 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:34:15,031 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:34:15,032 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.3518518518518519) internal successors, (146), 108 states have internal predecessors, (146), 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) [2023-11-19 07:34:15,040 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2023-11-19 07:34:15,041 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:34:15,041 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:34:15,042 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:34:15,042 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:34:15,048 INFO L748 eck$LassoCheckResult]: Stem: 23#$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;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 31#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#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; 19#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 91#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 78#valid_product_returnLabel#1true main_#t~ret5#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 71#L184true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 62#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 83#L764-2true [2023-11-19 07:34:15,049 INFO L750 eck$LassoCheckResult]: Loop: 83#L764-2true assume !false; 75#L765true assume test_~splverifierCounter~0#1 < 4; 9#L766true havoc test_#t~nondet42#1;test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 74#L774true assume !(0 != test_~tmp~6#1); 44#L774-2true havoc test_#t~nondet43#1;test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 99#L784true assume !(0 != test_~tmp___0~1#1); 52#L784-2true havoc test_#t~nondet44#1;test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 87#L794true assume 0 != test_~tmp___2~0#1; 79#L800-2true assume { :begin_inline_timeShift } true; 30#L613true assume !(0 != ~pumpRunning~0); 73#L613-2true assume !(0 != ~systemActive~0); 88#L620-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 58#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1; 76#L576true assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 25#L582-1true havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 50#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 83#L764-2true [2023-11-19 07:34:15,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:15,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-19 07:34:15,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:15,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749338958] [2023-11-19 07:34:15,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:15,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:15,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:34:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:15,215 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:34:15,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:15,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1841882410, now seen corresponding path program 1 times [2023-11-19 07:34:15,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:15,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229617787] [2023-11-19 07:34:15,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:15,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:15,232 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:34:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:15,243 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:34:15,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:15,245 INFO L85 PathProgramCache]: Analyzing trace with hash -486463334, now seen corresponding path program 1 times [2023-11-19 07:34:15,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:15,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700020230] [2023-11-19 07:34:15,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:15,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:15,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:34:15,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:15,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700020230] [2023-11-19 07:34:15,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700020230] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:15,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:34:15,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:34:15,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095116886] [2023-11-19 07:34:15,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:15,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:15,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:34:15,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:34:15,762 INFO L87 Difference]: Start difference. First operand has 109 states, 108 states have (on average 1.3518518518518519) internal successors, (146), 108 states have internal predecessors, (146), 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) [2023-11-19 07:34:15,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:15,948 INFO L93 Difference]: Finished difference Result 269 states and 344 transitions. [2023-11-19 07:34:15,949 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 269 states and 344 transitions. [2023-11-19 07:34:15,970 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 171 [2023-11-19 07:34:15,978 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 269 states to 239 states and 314 transitions. [2023-11-19 07:34:15,980 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 239 [2023-11-19 07:34:15,982 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 239 [2023-11-19 07:34:15,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 239 states and 314 transitions. [2023-11-19 07:34:15,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:34:15,988 INFO L218 hiAutomatonCegarLoop]: Abstraction has 239 states and 314 transitions. [2023-11-19 07:34:16,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states and 314 transitions. [2023-11-19 07:34:16,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 151. [2023-11-19 07:34:16,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 151 states have (on average 1.3178807947019868) internal successors, (199), 150 states have internal predecessors, (199), 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) [2023-11-19 07:34:16,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 199 transitions. [2023-11-19 07:34:16,030 INFO L240 hiAutomatonCegarLoop]: Abstraction has 151 states and 199 transitions. [2023-11-19 07:34:16,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:34:16,035 INFO L428 stractBuchiCegarLoop]: Abstraction has 151 states and 199 transitions. [2023-11-19 07:34:16,035 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:34:16,035 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 151 states and 199 transitions. [2023-11-19 07:34:16,037 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 108 [2023-11-19 07:34:16,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:34:16,037 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:34:16,038 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:34:16,038 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] [2023-11-19 07:34:16,039 INFO L748 eck$LassoCheckResult]: Stem: 463#$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;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 464#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#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; 452#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 453#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 443#valid_product_returnLabel#1 main_#t~ret5#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 428#L184 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 400#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 401#L764-2 [2023-11-19 07:34:16,039 INFO L750 eck$LassoCheckResult]: Loop: 401#L764-2 assume !false; 436#L765 assume test_~splverifierCounter~0#1 < 4; 413#L766 havoc test_#t~nondet42#1;test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 414#L774 assume !(0 != test_~tmp~6#1); 435#L774-2 havoc test_#t~nondet43#1;test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 482#L784 assume !(0 != test_~tmp___0~1#1); 483#L784-2 havoc test_#t~nondet44#1;test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 466#L794 assume 0 != test_~tmp___2~0#1; 426#L800-2 assume { :begin_inline_timeShift } true; 446#L613 assume !(0 != ~pumpRunning~0); 429#L613-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 430#L645 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 409#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 410#L645-1 havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 469#L620-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 470#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1; 437#L576 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 438#L582-1 havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 467#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 401#L764-2 [2023-11-19 07:34:16,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:16,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-19 07:34:16,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:16,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412120363] [2023-11-19 07:34:16,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:16,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:16,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:34:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:16,068 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:34:16,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:16,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1752598624, now seen corresponding path program 1 times [2023-11-19 07:34:16,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:16,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181915546] [2023-11-19 07:34:16,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:16,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:16,080 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:34:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:16,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:34:16,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:16,139 INFO L85 PathProgramCache]: Analyzing trace with hash 549544796, now seen corresponding path program 1 times [2023-11-19 07:34:16,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:16,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885593802] [2023-11-19 07:34:16,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:16,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:34:16,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:16,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885593802] [2023-11-19 07:34:16,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885593802] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:16,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:34:16,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:34:16,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562945536] [2023-11-19 07:34:16,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:16,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:16,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:34:16,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:34:16,473 INFO L87 Difference]: Start difference. First operand 151 states and 199 transitions. cyclomatic complexity: 51 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 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) [2023-11-19 07:34:16,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:16,606 INFO L93 Difference]: Finished difference Result 371 states and 488 transitions. [2023-11-19 07:34:16,607 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 371 states and 488 transitions. [2023-11-19 07:34:16,613 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 272 [2023-11-19 07:34:16,617 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 371 states to 371 states and 488 transitions. [2023-11-19 07:34:16,618 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 371 [2023-11-19 07:34:16,621 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 371 [2023-11-19 07:34:16,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 371 states and 488 transitions. [2023-11-19 07:34:16,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:34:16,632 INFO L218 hiAutomatonCegarLoop]: Abstraction has 371 states and 488 transitions. [2023-11-19 07:34:16,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states and 488 transitions. [2023-11-19 07:34:16,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 295. [2023-11-19 07:34:16,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 295 states have (on average 1.2983050847457627) internal successors, (383), 294 states have internal predecessors, (383), 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) [2023-11-19 07:34:16,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 383 transitions. [2023-11-19 07:34:16,671 INFO L240 hiAutomatonCegarLoop]: Abstraction has 295 states and 383 transitions. [2023-11-19 07:34:16,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:34:16,672 INFO L428 stractBuchiCegarLoop]: Abstraction has 295 states and 383 transitions. [2023-11-19 07:34:16,672 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:34:16,672 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 295 states and 383 transitions. [2023-11-19 07:34:16,677 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 216 [2023-11-19 07:34:16,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:34:16,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:34:16,679 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:34:16,680 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] [2023-11-19 07:34:16,681 INFO L748 eck$LassoCheckResult]: Stem: 1003#$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;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1004#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#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; 992#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 993#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 982#valid_product_returnLabel#1 main_#t~ret5#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 966#L184 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 936#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 937#L764-2 [2023-11-19 07:34:16,681 INFO L750 eck$LassoCheckResult]: Loop: 937#L764-2 assume !false; 974#L765 assume test_~splverifierCounter~0#1 < 4; 950#L766 havoc test_#t~nondet42#1;test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 951#L774 assume !(0 != test_~tmp~6#1); 973#L774-2 havoc test_#t~nondet43#1;test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 1031#L784 assume !(0 != test_~tmp___0~1#1); 1032#L784-2 havoc test_#t~nondet44#1;test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 1006#L794 assume 0 != test_~tmp___2~0#1; 963#L800-2 assume { :begin_inline_timeShift } true; 1176#L613 assume !(0 != ~pumpRunning~0); 1173#L613-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1153#L645 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1172#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 1171#L645-1 havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 1167#L620-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 1061#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1; 1062#L576 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 1049#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret30#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret30#1;havoc __utac_acc__Specification3_spec__1_#t~ret30#1; 1050#L582 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 1164#L582-1 havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1051#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 937#L764-2 [2023-11-19 07:34:16,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:16,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2023-11-19 07:34:16,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:16,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959407220] [2023-11-19 07:34:16,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:16,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:16,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:34:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:16,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:34:16,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:16,722 INFO L85 PathProgramCache]: Analyzing trace with hash -618905707, now seen corresponding path program 1 times [2023-11-19 07:34:16,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:16,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074738705] [2023-11-19 07:34:16,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:16,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:16,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:34:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:16,762 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:34:16,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:16,763 INFO L85 PathProgramCache]: Analyzing trace with hash -167236527, now seen corresponding path program 1 times [2023-11-19 07:34:16,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:16,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716973298] [2023-11-19 07:34:16,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:16,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:16,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:34:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:16,814 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:34:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:17,835 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:34:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:17,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:34:17 BoogieIcfgContainer [2023-11-19 07:34:17,916 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:34:17,917 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:34:17,917 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:34:17,917 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:34:17,918 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:14" (3/4) ... [2023-11-19 07:34:17,919 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-19 07:34:17,991 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997ea8b9-bc54-4107-b8a0-93b6d20f278a/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:34:17,991 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:34:17,992 INFO L158 Benchmark]: Toolchain (without parser) took 4267.73ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 90.7MB in the beginning and 74.1MB in the end (delta: 16.6MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2023-11-19 07:34:17,992 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:34:17,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.93ms. Allocated memory is still 138.4MB. Free memory was 90.7MB in the beginning and 72.1MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:34:17,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.15ms. Allocated memory is still 138.4MB. Free memory was 72.1MB in the beginning and 69.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:34:17,994 INFO L158 Benchmark]: Boogie Preprocessor took 36.41ms. Allocated memory is still 138.4MB. Free memory was 69.5MB in the beginning and 67.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:34:17,994 INFO L158 Benchmark]: RCFGBuilder took 543.18ms. Allocated memory is still 138.4MB. Free memory was 67.6MB in the beginning and 103.7MB in the end (delta: -36.1MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2023-11-19 07:34:17,994 INFO L158 Benchmark]: BuchiAutomizer took 2997.63ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 103.7MB in the beginning and 77.2MB in the end (delta: 26.5MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2023-11-19 07:34:17,995 INFO L158 Benchmark]: Witness Printer took 74.60ms. Allocated memory is still 172.0MB. Free memory was 77.2MB in the beginning and 74.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:34:17,997 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 549.93ms. Allocated memory is still 138.4MB. Free memory was 90.7MB in the beginning and 72.1MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.15ms. Allocated memory is still 138.4MB. Free memory was 72.1MB in the beginning and 69.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.41ms. Allocated memory is still 138.4MB. Free memory was 69.5MB in the beginning and 67.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 543.18ms. Allocated memory is still 138.4MB. Free memory was 67.6MB in the beginning and 103.7MB in the end (delta: -36.1MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 2997.63ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 103.7MB in the beginning and 77.2MB in the end (delta: 26.5MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. * Witness Printer took 74.60ms. Allocated memory is still 172.0MB. Free memory was 77.2MB in the beginning and 74.1MB in the end (delta: 3.1MB). 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [96] - GenericResultAtLocation [Line: 197]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [197] - GenericResultAtLocation [Line: 563]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [563] - GenericResultAtLocation [Line: 600]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [600] - GenericResultAtLocation [Line: 753]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [753] - GenericResultAtLocation [Line: 820]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [820] * 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 295 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 164 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, 843 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 843 mSDsluCounter, 1276 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 994 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 110 IncrementalHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 282 mSDtfsCounter, 110 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: 764]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L97] int cleanupTimeShifts = 4; [L367] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L606] int pumpRunning = 0; [L607] int systemActive = 1; [L821] int waterLevel = 1; [L822] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L175] int retValue_acc ; [L176] int tmp ; [L180] FCALL select_helpers() [L181] FCALL select_features() [L182] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L182] RET, EXPR valid_product() [L182] tmp = valid_product() [L184] COND TRUE \read(tmp) [L186] FCALL setup() [L187] CALL runTest() [L169] CALL test() [L755] int splverifierCounter ; [L756] int tmp ; [L757] int tmp___0 ; [L758] int tmp___1 ; [L759] int tmp___2 ; [L762] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L764] COND TRUE 1 [L766] COND TRUE splverifierCounter < 4 [L772] tmp = __VERIFIER_nondet_int() [L774] COND FALSE !(\read(tmp)) [L782] tmp___0 = __VERIFIER_nondet_int() [L784] COND FALSE !(\read(tmp___0)) [L792] tmp___2 = __VERIFIER_nondet_int() [L794] COND TRUE \read(tmp___2) [L809] CALL timeShift() [L613] COND FALSE !(\read(pumpRunning)) [L620] COND TRUE \read(systemActive) [L622] CALL processEnvironment() [L642] int tmp ; [L645] COND FALSE !(\read(pumpRunning)) [L660] FCALL processEnvironment__wrappee__base() [L622] RET processEnvironment() [L628] CALL __utac_acc__Specification3_spec__1() [L568] int tmp ; [L569] int tmp___0 ; [L570] int tmp___1 ; [L574] CALL, EXPR isMethaneLevelCritical() [L860] int retValue_acc ; [L863] retValue_acc = methaneLevelCritical [L864] return (retValue_acc); [L574] RET, EXPR isMethaneLevelCritical() [L574] tmp = isMethaneLevelCritical() [L576] COND FALSE !(\read(tmp)) [L580] CALL, EXPR getWaterLevel() [L892] int retValue_acc ; [L895] retValue_acc = waterLevel [L896] return (retValue_acc); [L580] RET, EXPR getWaterLevel() [L580] tmp___0 = getWaterLevel() [L582] COND FALSE !(tmp___0 == 2) [L628] RET __utac_acc__Specification3_spec__1() [L809] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 764]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L97] int cleanupTimeShifts = 4; [L367] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L606] int pumpRunning = 0; [L607] int systemActive = 1; [L821] int waterLevel = 1; [L822] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L175] int retValue_acc ; [L176] int tmp ; [L180] FCALL select_helpers() [L181] FCALL select_features() [L182] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L182] RET, EXPR valid_product() [L182] tmp = valid_product() [L184] COND TRUE \read(tmp) [L186] FCALL setup() [L187] CALL runTest() [L169] CALL test() [L755] int splverifierCounter ; [L756] int tmp ; [L757] int tmp___0 ; [L758] int tmp___1 ; [L759] int tmp___2 ; [L762] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L764] COND TRUE 1 [L766] COND TRUE splverifierCounter < 4 [L772] tmp = __VERIFIER_nondet_int() [L774] COND FALSE !(\read(tmp)) [L782] tmp___0 = __VERIFIER_nondet_int() [L784] COND FALSE !(\read(tmp___0)) [L792] tmp___2 = __VERIFIER_nondet_int() [L794] COND TRUE \read(tmp___2) [L809] CALL timeShift() [L613] COND FALSE !(\read(pumpRunning)) [L620] COND TRUE \read(systemActive) [L622] CALL processEnvironment() [L642] int tmp ; [L645] COND FALSE !(\read(pumpRunning)) [L660] FCALL processEnvironment__wrappee__base() [L622] RET processEnvironment() [L628] CALL __utac_acc__Specification3_spec__1() [L568] int tmp ; [L569] int tmp___0 ; [L570] int tmp___1 ; [L574] CALL, EXPR isMethaneLevelCritical() [L860] int retValue_acc ; [L863] retValue_acc = methaneLevelCritical [L864] return (retValue_acc); [L574] RET, EXPR isMethaneLevelCritical() [L574] tmp = isMethaneLevelCritical() [L576] COND FALSE !(\read(tmp)) [L580] CALL, EXPR getWaterLevel() [L892] int retValue_acc ; [L895] retValue_acc = waterLevel [L896] return (retValue_acc); [L580] RET, EXPR getWaterLevel() [L580] tmp___0 = getWaterLevel() [L582] COND FALSE !(tmp___0 == 2) [L628] RET __utac_acc__Specification3_spec__1() [L809] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:34:18,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997ea8b9-bc54-4107-b8a0-93b6d20f278a/bin/uautomizer-verify-uCwYo4JHxu/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)