./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 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_a9eee1fd-7395-440b-82b5-c5df05764a04/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9eee1fd-7395-440b-82b5-c5df05764a04/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9eee1fd-7395-440b-82b5-c5df05764a04/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9eee1fd-7395-440b-82b5-c5df05764a04/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9eee1fd-7395-440b-82b5-c5df05764a04/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9eee1fd-7395-440b-82b5-c5df05764a04/bin/uautomizer-verify-bycVGegfSx --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 e05f070a9d08445f8047170ff42067dbbb0e8df76d1f1098124b2282ee971e1d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:11:33,787 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:11:33,898 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9eee1fd-7395-440b-82b5-c5df05764a04/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-21 22:11:33,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:11:33,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:11:33,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:11:33,937 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:11:33,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:11:33,939 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:11:33,940 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:11:33,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:11:33,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:11:33,942 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:11:33,943 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:11:33,943 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:11:33,944 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:11:33,944 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:11:33,945 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:11:33,946 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:11:33,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:11:33,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:11:33,948 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:11:33,948 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:11:33,949 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:11:33,949 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:11:33,950 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:11:33,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:11:33,951 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:11:33,952 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:11:33,952 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:11:33,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:11:33,953 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:11:33,954 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:11:33,954 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:11:33,955 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:11:33,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:11:33,956 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:11:33,957 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:11:33,957 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_a9eee1fd-7395-440b-82b5-c5df05764a04/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9eee1fd-7395-440b-82b5-c5df05764a04/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e05f070a9d08445f8047170ff42067dbbb0e8df76d1f1098124b2282ee971e1d [2023-11-21 22:11:34,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:11:34,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:11:34,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:11:34,349 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:11:34,349 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:11:34,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9eee1fd-7395-440b-82b5-c5df05764a04/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2023-11-21 22:11:37,555 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:11:37,914 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:11:37,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9eee1fd-7395-440b-82b5-c5df05764a04/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2023-11-21 22:11:37,931 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9eee1fd-7395-440b-82b5-c5df05764a04/bin/uautomizer-verify-bycVGegfSx/data/25bd401ae/2570b6f1d47644319da76d52e050ffc0/FLAGbfb8ad2bc [2023-11-21 22:11:37,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9eee1fd-7395-440b-82b5-c5df05764a04/bin/uautomizer-verify-bycVGegfSx/data/25bd401ae/2570b6f1d47644319da76d52e050ffc0 [2023-11-21 22:11:37,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:11:37,964 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:11:37,966 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:11:37,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:11:37,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:11:37,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:37" (1/1) ... [2023-11-21 22:11:37,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c953d98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:37, skipping insertion in model container [2023-11-21 22:11:37,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:37" (1/1) ... [2023-11-21 22:11:38,045 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:11:38,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:11:38,347 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:11:38,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-11-21 22:11:38,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [415] [2023-11-21 22:11:38,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [453] [2023-11-21 22:11:38,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [556] [2023-11-21 22:11:38,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [627] [2023-11-21 22:11:38,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [764] [2023-11-21 22:11:38,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [773] [2023-11-21 22:11:38,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [854] [2023-11-21 22:11:38,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:11:38,484 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:11:38,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38 WrapperNode [2023-11-21 22:11:38,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:11:38,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:11:38,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:11:38,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:11:38,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,551 INFO L138 Inliner]: procedures = 52, calls = 93, calls flagged for inlining = 46, calls inlined = 39, statements flattened = 254 [2023-11-21 22:11:38,552 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:11:38,553 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:11:38,553 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:11:38,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:11:38,574 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,592 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,613 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:11:38,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,628 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,636 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:11:38,642 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:11:38,642 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:11:38,642 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:11:38,643 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:38,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9eee1fd-7395-440b-82b5-c5df05764a04/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:38,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9eee1fd-7395-440b-82b5-c5df05764a04/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:38,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9eee1fd-7395-440b-82b5-c5df05764a04/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:11:38,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:11:38,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:11:38,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:11:38,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:11:38,833 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:11:38,835 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:11:39,134 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:11:39,146 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:11:39,150 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 22:11:39,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:11:39 BoogieIcfgContainer [2023-11-21 22:11:39,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:11:39,157 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:11:39,157 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:11:39,160 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:11:39,161 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:11:39,161 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:11:37" (1/3) ... [2023-11-21 22:11:39,163 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7cf2c007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:11:39, skipping insertion in model container [2023-11-21 22:11:39,163 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:11:39,163 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (2/3) ... [2023-11-21 22:11:39,164 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7cf2c007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:11:39, skipping insertion in model container [2023-11-21 22:11:39,167 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:11:39,167 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:11:39" (3/3) ... [2023-11-21 22:11:39,168 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product04.cil.c [2023-11-21 22:11:39,256 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:11:39,257 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:11:39,257 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:11:39,257 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:11:39,257 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:11:39,257 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:11:39,257 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:11:39,258 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:11:39,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 87 states, 86 states have (on average 1.372093023255814) internal successors, (118), 86 states have internal predecessors, (118), 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) [2023-11-21 22:11:39,307 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2023-11-21 22:11:39,307 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:11:39,307 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:11:39,315 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:11:39,315 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:11:39,315 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 22:11:39,316 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 87 states, 86 states have (on average 1.372093023255814) internal successors, (118), 86 states have internal predecessors, (118), 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) [2023-11-21 22:11:39,323 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2023-11-21 22:11:39,323 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:11:39,323 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:11:39,324 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:11:39,324 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:11:39,330 INFO L748 eck$LassoCheckResult]: Stem: 46#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; 54#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 38#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 51#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 34#valid_product_returnLabel#1true main_#t~ret28#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 62#L543true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 5#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 49#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 19#L569-2true [2023-11-21 22:11:39,331 INFO L750 eck$LassoCheckResult]: Loop: 19#L569-2true assume !false; 52#L570true assume test_~splverifierCounter~0#1 < 4; 69#L571true havoc test_#t~nondet29#1;test_~tmp~4#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 18#L579true assume !(0 != test_~tmp~4#1); 58#L579-2true havoc test_#t~nondet30#1;test_~tmp___0~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 20#L589true assume !(0 != test_~tmp___0~0#1); 80#L589-2true havoc test_#t~nondet31#1;test_~tmp___2~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 77#L599true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 70#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 74#L607-2true assume { :begin_inline_timeShift } true; 60#L642true assume !(0 != ~pumpRunning~0); 50#L642-2true assume !(0 != ~systemActive~0); 7#L649-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret47#1, __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#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; 72#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification2_spec__2_#t~ret47#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret47#1;havoc __utac_acc__Specification2_spec__2_#t~ret47#1; 24#L872true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 3#L872-1true havoc __utac_acc__Specification2_spec__2_#t~ret47#1, __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 81#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 19#L569-2true [2023-11-21 22:11:39,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:39,337 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-21 22:11:39,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:39,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592560244] [2023-11-21 22:11:39,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:39,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:39,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:39,507 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:39,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:39,511 INFO L85 PathProgramCache]: Analyzing trace with hash 562271115, now seen corresponding path program 1 times [2023-11-21 22:11:39,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:39,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309724777] [2023-11-21 22:11:39,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:39,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:39,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:11:39,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:11:39,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309724777] [2023-11-21 22:11:39,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309724777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:11:39,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:11:39,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:11:39,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575306444] [2023-11-21 22:11:39,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:11:39,629 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 22:11:39,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:11:39,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:11:39,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:11:39,685 INFO L87 Difference]: Start difference. First operand has 87 states, 86 states have (on average 1.372093023255814) internal successors, (118), 86 states have internal predecessors, (118), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2023-11-21 22:11:39,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:11:39,778 INFO L93 Difference]: Finished difference Result 152 states and 196 transitions. [2023-11-21 22:11:39,780 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 152 states and 196 transitions. [2023-11-21 22:11:39,791 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2023-11-21 22:11:39,802 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 152 states to 132 states and 175 transitions. [2023-11-21 22:11:39,803 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 132 [2023-11-21 22:11:39,806 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 132 [2023-11-21 22:11:39,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 132 states and 175 transitions. [2023-11-21 22:11:39,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:11:39,809 INFO L218 hiAutomatonCegarLoop]: Abstraction has 132 states and 175 transitions. [2023-11-21 22:11:39,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states and 175 transitions. [2023-11-21 22:11:39,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 129. [2023-11-21 22:11:39,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 129 states have (on average 1.3255813953488371) internal successors, (171), 128 states have internal predecessors, (171), 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) [2023-11-21 22:11:39,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 171 transitions. [2023-11-21 22:11:39,863 INFO L240 hiAutomatonCegarLoop]: Abstraction has 129 states and 171 transitions. [2023-11-21 22:11:39,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:11:39,869 INFO L428 stractBuchiCegarLoop]: Abstraction has 129 states and 171 transitions. [2023-11-21 22:11:39,870 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 22:11:39,870 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 129 states and 171 transitions. [2023-11-21 22:11:39,876 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 93 [2023-11-21 22:11:39,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:11:39,877 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:11:39,879 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:11:39,879 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:11:39,880 INFO L748 eck$LassoCheckResult]: Stem: 308#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; 309#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 301#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 302#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 297#valid_product_returnLabel#1 main_#t~ret28#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 298#L543 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 250#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 251#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 275#L569-2 [2023-11-21 22:11:39,880 INFO L750 eck$LassoCheckResult]: Loop: 275#L569-2 assume !false; 276#L570 assume test_~splverifierCounter~0#1 < 4; 312#L571 havoc test_#t~nondet29#1;test_~tmp~4#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 273#L579 assume !(0 != test_~tmp~4#1); 253#L579-2 havoc test_#t~nondet30#1;test_~tmp___0~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 317#L589 assume !(0 != test_~tmp___0~0#1); 325#L589-2 havoc test_#t~nondet31#1;test_~tmp___2~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 324#L599 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 322#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 311#L607-2 assume { :begin_inline_timeShift } true; 318#L642 assume !(0 != ~pumpRunning~0); 290#L642-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 299#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 254#L649-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret47#1, __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#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; 255#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret47#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret47#1;havoc __utac_acc__Specification2_spec__2_#t~ret47#1; 283#L872 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 248#L872-1 havoc __utac_acc__Specification2_spec__2_#t~ret47#1, __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 249#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 275#L569-2 [2023-11-21 22:11:39,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:39,881 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-21 22:11:39,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:39,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436330583] [2023-11-21 22:11:39,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:39,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:39,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:39,961 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:39,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:39,967 INFO L85 PathProgramCache]: Analyzing trace with hash 878376729, now seen corresponding path program 1 times [2023-11-21 22:11:39,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:39,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144875609] [2023-11-21 22:11:39,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:39,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:39,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:39,989 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:39,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:39,990 INFO L85 PathProgramCache]: Analyzing trace with hash -460975678, now seen corresponding path program 1 times [2023-11-21 22:11:39,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:39,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878237233] [2023-11-21 22:11:39,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:39,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:40,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:40,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:41,367 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:41,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 10:11:41 BoogieIcfgContainer [2023-11-21 22:11:41,425 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 22:11:41,426 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:11:41,426 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:11:41,426 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:11:41,426 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:11:39" (3/4) ... [2023-11-21 22:11:41,428 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-21 22:11:41,482 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9eee1fd-7395-440b-82b5-c5df05764a04/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:11:41,483 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:11:41,484 INFO L158 Benchmark]: Toolchain (without parser) took 3519.21ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 89.0MB in the beginning and 88.2MB in the end (delta: 852.8kB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2023-11-21 22:11:41,484 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:11:41,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.32ms. Allocated memory is still 134.2MB. Free memory was 88.8MB in the beginning and 70.4MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 22:11:41,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.61ms. Allocated memory is still 134.2MB. Free memory was 70.2MB in the beginning and 67.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:11:41,485 INFO L158 Benchmark]: Boogie Preprocessor took 88.00ms. Allocated memory is still 134.2MB. Free memory was 67.9MB in the beginning and 65.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:11:41,486 INFO L158 Benchmark]: RCFGBuilder took 514.21ms. Allocated memory is still 134.2MB. Free memory was 65.6MB in the beginning and 50.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:11:41,486 INFO L158 Benchmark]: BuchiAutomizer took 2268.22ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 49.9MB in the beginning and 91.3MB in the end (delta: -41.5MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2023-11-21 22:11:41,487 INFO L158 Benchmark]: Witness Printer took 57.25ms. Allocated memory is still 199.2MB. Free memory was 91.3MB in the beginning and 88.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:11:41,489 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.32ms. Allocated memory is still 134.2MB. Free memory was 88.8MB in the beginning and 70.4MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.61ms. Allocated memory is still 134.2MB. Free memory was 70.2MB in the beginning and 67.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.00ms. Allocated memory is still 134.2MB. Free memory was 67.9MB in the beginning and 65.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 514.21ms. Allocated memory is still 134.2MB. Free memory was 65.6MB in the beginning and 50.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2268.22ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 49.9MB in the beginning and 91.3MB in the end (delta: -41.5MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Witness Printer took 57.25ms. Allocated memory is still 199.2MB. Free memory was 91.3MB in the beginning and 88.2MB 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [415] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [453] - GenericResultAtLocation [Line: 556]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [556] - GenericResultAtLocation [Line: 627]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [627] - GenericResultAtLocation [Line: 764]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [764] - GenericResultAtLocation [Line: 773]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [773] - GenericResultAtLocation [Line: 854]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [854] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 129 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 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, 95 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 189 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 87 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 102 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 569]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L634] int pumpRunning = 0; [L635] int systemActive = 1; [L775] int waterLevel = 1; [L776] int methaneLevelCritical = 0; [L855] int methAndRunningLastTime ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L534] int retValue_acc ; [L535] int tmp ; [L539] FCALL select_helpers() [L540] FCALL select_features() [L541] CALL, EXPR valid_product() [L445] int retValue_acc ; [L448] retValue_acc = 1 [L449] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L541] RET, EXPR valid_product() [L541] tmp = valid_product() [L543] COND TRUE \read(tmp) [L545] FCALL setup() [L546] CALL runTest() [L527] CALL __utac_acc__Specification2_spec__1() [L860] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L527] RET __utac_acc__Specification2_spec__1() [L528] CALL test() [L560] int splverifierCounter ; [L561] int tmp ; [L562] int tmp___0 ; [L563] int tmp___1 ; [L564] int tmp___2 ; [L567] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L569] COND TRUE 1 [L571] COND TRUE splverifierCounter < 4 [L577] tmp = __VERIFIER_nondet_int() [L579] COND FALSE !(\read(tmp)) [L587] tmp___0 = __VERIFIER_nondet_int() [L589] COND FALSE !(\read(tmp___0)) [L597] tmp___2 = __VERIFIER_nondet_int() [L599] COND TRUE \read(tmp___2) [L601] CALL startSystem() [L760] systemActive = 1 [L601] RET startSystem() [L616] CALL timeShift() [L642] COND FALSE !(\read(pumpRunning)) [L649] COND TRUE \read(systemActive) [L651] FCALL processEnvironment() [L657] CALL __utac_acc__Specification2_spec__2() [L865] int tmp ; [L866] int tmp___0 ; [L870] CALL, EXPR isMethaneLevelCritical() [L814] int retValue_acc ; [L817] retValue_acc = methaneLevelCritical [L818] return (retValue_acc); [L870] RET, EXPR isMethaneLevelCritical() [L870] tmp = isMethaneLevelCritical() [L872] COND FALSE !(\read(tmp)) [L888] methAndRunningLastTime = 0 [L657] RET __utac_acc__Specification2_spec__2() [L616] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 569]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L634] int pumpRunning = 0; [L635] int systemActive = 1; [L775] int waterLevel = 1; [L776] int methaneLevelCritical = 0; [L855] int methAndRunningLastTime ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L534] int retValue_acc ; [L535] int tmp ; [L539] FCALL select_helpers() [L540] FCALL select_features() [L541] CALL, EXPR valid_product() [L445] int retValue_acc ; [L448] retValue_acc = 1 [L449] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L541] RET, EXPR valid_product() [L541] tmp = valid_product() [L543] COND TRUE \read(tmp) [L545] FCALL setup() [L546] CALL runTest() [L527] CALL __utac_acc__Specification2_spec__1() [L860] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L527] RET __utac_acc__Specification2_spec__1() [L528] CALL test() [L560] int splverifierCounter ; [L561] int tmp ; [L562] int tmp___0 ; [L563] int tmp___1 ; [L564] int tmp___2 ; [L567] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L569] COND TRUE 1 [L571] COND TRUE splverifierCounter < 4 [L577] tmp = __VERIFIER_nondet_int() [L579] COND FALSE !(\read(tmp)) [L587] tmp___0 = __VERIFIER_nondet_int() [L589] COND FALSE !(\read(tmp___0)) [L597] tmp___2 = __VERIFIER_nondet_int() [L599] COND TRUE \read(tmp___2) [L601] CALL startSystem() [L760] systemActive = 1 [L601] RET startSystem() [L616] CALL timeShift() [L642] COND FALSE !(\read(pumpRunning)) [L649] COND TRUE \read(systemActive) [L651] FCALL processEnvironment() [L657] CALL __utac_acc__Specification2_spec__2() [L865] int tmp ; [L866] int tmp___0 ; [L870] CALL, EXPR isMethaneLevelCritical() [L814] int retValue_acc ; [L817] retValue_acc = methaneLevelCritical [L818] return (retValue_acc); [L870] RET, EXPR isMethaneLevelCritical() [L870] tmp = isMethaneLevelCritical() [L872] COND FALSE !(\read(tmp)) [L888] methAndRunningLastTime = 0 [L657] RET __utac_acc__Specification2_spec__2() [L616] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-21 22:11:41,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9eee1fd-7395-440b-82b5-c5df05764a04/bin/uautomizer-verify-bycVGegfSx/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)