./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 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_7b6deb50-e221-488d-8a70-40572a4f1ecd/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6deb50-e221-488d-8a70-40572a4f1ecd/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6deb50-e221-488d-8a70-40572a4f1ecd/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6deb50-e221-488d-8a70-40572a4f1ecd/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6deb50-e221-488d-8a70-40572a4f1ecd/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6deb50-e221-488d-8a70-40572a4f1ecd/bin/uautomizer-verify-jihMAELWvX --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 89d79330893ddcb40b29f516de4dd8a28301af3358fb85b9aef9deff219c3c1d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:34:58,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:34:58,608 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6deb50-e221-488d-8a70-40572a4f1ecd/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 18:34:58,618 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:34:58,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:34:58,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:34:58,661 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:34:58,661 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:34:58,662 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:34:58,664 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:34:58,666 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:34:58,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:34:58,667 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:34:58,667 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 18:34:58,667 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 18:34:58,671 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 18:34:58,672 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 18:34:58,672 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 18:34:58,672 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 18:34:58,673 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:34:58,673 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 18:34:58,674 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:34:58,674 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:34:58,674 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:34:58,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:34:58,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 18:34:58,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 18:34:58,675 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 18:34:58,676 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:34:58,676 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:34:58,676 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:34:58,676 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:34:58,677 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 18:34:58,677 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:34:58,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:34:58,680 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:34:58,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:34:58,681 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:34:58,681 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 18:34:58,681 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_7b6deb50-e221-488d-8a70-40572a4f1ecd/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6deb50-e221-488d-8a70-40572a4f1ecd/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89d79330893ddcb40b29f516de4dd8a28301af3358fb85b9aef9deff219c3c1d [2024-11-08 18:34:58,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:34:59,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:34:59,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:34:59,035 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:34:59,036 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:34:59,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6deb50-e221-488d-8a70-40572a4f1ecd/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c Unable to find full path for "g++" [2024-11-08 18:35:01,011 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:35:01,284 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:35:01,285 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6deb50-e221-488d-8a70-40572a4f1ecd/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2024-11-08 18:35:01,302 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6deb50-e221-488d-8a70-40572a4f1ecd/bin/uautomizer-verify-jihMAELWvX/data/fc60d2627/c9e6b429916c49b586e199770743c7d7/FLAG483a63eee [2024-11-08 18:35:01,324 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6deb50-e221-488d-8a70-40572a4f1ecd/bin/uautomizer-verify-jihMAELWvX/data/fc60d2627/c9e6b429916c49b586e199770743c7d7 [2024-11-08 18:35:01,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:35:01,330 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:35:01,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:35:01,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:35:01,341 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:35:01,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:35:01" (1/1) ... [2024-11-08 18:35:01,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67343b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:01, skipping insertion in model container [2024-11-08 18:35:01,346 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:35:01" (1/1) ... [2024-11-08 18:35:01,412 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:35:01,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:35:01,908 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:35:01,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-08 18:35:01,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [135] [2024-11-08 18:35:01,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [274] [2024-11-08 18:35:01,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [283] [2024-11-08 18:35:01,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [349] [2024-11-08 18:35:01,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [715] [2024-11-08 18:35:01,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [741] [2024-11-08 18:35:01,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [840] [2024-11-08 18:35:02,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:35:02,023 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:35:02,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:02 WrapperNode [2024-11-08 18:35:02,024 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:35:02,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:35:02,025 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:35:02,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:35:02,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:02" (1/1) ... [2024-11-08 18:35:02,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:02" (1/1) ... [2024-11-08 18:35:02,087 INFO L138 Inliner]: procedures = 50, calls = 93, calls flagged for inlining = 46, calls inlined = 50, statements flattened = 307 [2024-11-08 18:35:02,088 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:35:02,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:35:02,088 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:35:02,089 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:35:02,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:02" (1/1) ... [2024-11-08 18:35:02,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:02" (1/1) ... [2024-11-08 18:35:02,100 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:02" (1/1) ... [2024-11-08 18:35:02,114 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 18:35:02,114 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:02" (1/1) ... [2024-11-08 18:35:02,114 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:02" (1/1) ... [2024-11-08 18:35:02,119 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:02" (1/1) ... [2024-11-08 18:35:02,128 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:02" (1/1) ... [2024-11-08 18:35:02,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:02" (1/1) ... [2024-11-08 18:35:02,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:02" (1/1) ... [2024-11-08 18:35:02,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:35:02,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:35:02,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:35:02,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:35:02,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:02" (1/1) ... [2024-11-08 18:35:02,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:35:02,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6deb50-e221-488d-8a70-40572a4f1ecd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:35:02,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6deb50-e221-488d-8a70-40572a4f1ecd/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:35:02,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6deb50-e221-488d-8a70-40572a4f1ecd/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 18:35:02,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:35:02,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:35:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:35:02,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:35:02,298 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:35:02,300 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:35:02,741 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-08 18:35:02,741 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:35:02,763 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:35:02,766 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 18:35:02,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:35:02 BoogieIcfgContainer [2024-11-08 18:35:02,767 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:35:02,768 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 18:35:02,769 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 18:35:02,774 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 18:35:02,775 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 18:35:02,776 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 06:35:01" (1/3) ... [2024-11-08 18:35:02,778 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a6afd46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 06:35:02, skipping insertion in model container [2024-11-08 18:35:02,779 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 18:35:02,779 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:02" (2/3) ... [2024-11-08 18:35:02,780 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a6afd46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 06:35:02, skipping insertion in model container [2024-11-08 18:35:02,782 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 18:35:02,782 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:35:02" (3/3) ... [2024-11-08 18:35:02,783 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product05.cil.c [2024-11-08 18:35:02,852 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 18:35:02,852 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 18:35:02,853 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 18:35:02,853 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 18:35:02,853 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 18:35:02,853 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 18:35:02,853 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 18:35:02,854 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 18:35:02,858 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 99 states, 98 states have (on average 1.346938775510204) internal successors, (132), 98 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:35:02,882 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2024-11-08 18:35:02,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:35:02,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:35:02,890 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:35:02,891 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:35:02,891 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 18:35:02,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 99 states, 98 states have (on average 1.346938775510204) internal successors, (132), 98 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:35:02,897 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2024-11-08 18:35:02,897 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:35:02,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:35:02,898 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:35:02,899 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:35:02,905 INFO L745 eck$LassoCheckResult]: Stem: 21#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 26#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~7#1, main_~tmp~6#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 17#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 79#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 68#valid_product_returnLabel#1true main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 99#L827true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 57#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 22#L295-2true [2024-11-08 18:35:02,906 INFO L747 eck$LassoCheckResult]: Loop: 22#L295-2true assume !false; 37#L296true assume test_~splverifierCounter~0#1 < 4; 24#L297true havoc test_#t~nondet19#1;test_~tmp~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 44#L305true assume !(0 != test_~tmp~1#1); 85#L305-2true havoc test_#t~nondet20#1;test_~tmp___0~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 30#L315true assume !(0 != test_~tmp___0~0#1); 63#L315-2true havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 54#L325true assume 0 != test_~tmp___2~0#1; 89#L331-2true assume { :begin_inline_timeShift } true; 71#L149true assume !(0 != ~pumpRunning~0); 86#L149-2true assume !(0 != ~systemActive~0); 75#L156-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~5#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~5#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 56#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification1_spec__1_#t~ret46#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~5#1 := __utac_acc__Specification1_spec__1_#t~ret46#1;havoc __utac_acc__Specification1_spec__1_#t~ret46#1; 16#L724true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~5#1); 36#L724-1true havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~5#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 45#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 22#L295-2true [2024-11-08 18:35:02,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:35:02,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-08 18:35:02,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:35:02,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909662545] [2024-11-08 18:35:02,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:35:02,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:35:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:35:03,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:35:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:35:03,066 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:35:03,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:35:03,069 INFO L85 PathProgramCache]: Analyzing trace with hash -222085242, now seen corresponding path program 1 times [2024-11-08 18:35:03,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:35:03,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356460661] [2024-11-08 18:35:03,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:35:03,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:35:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:35:03,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:35:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:35:03,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:35:03,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:35:03,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1133333834, now seen corresponding path program 1 times [2024-11-08 18:35:03,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:35:03,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894290565] [2024-11-08 18:35:03,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:35:03,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:35:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:35:03,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:35:03,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:35:03,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894290565] [2024-11-08 18:35:03,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894290565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:35:03,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:35:03,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:35:03,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67471181] [2024-11-08 18:35:03,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:35:03,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:35:03,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:35:03,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:35:03,658 INFO L87 Difference]: Start difference. First operand has 99 states, 98 states have (on average 1.346938775510204) internal successors, (132), 98 states have internal predecessors, (132), 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) [2024-11-08 18:35:03,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:35:03,753 INFO L93 Difference]: Finished difference Result 93 states and 115 transitions. [2024-11-08 18:35:03,754 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 115 transitions. [2024-11-08 18:35:03,758 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2024-11-08 18:35:03,762 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 83 states and 105 transitions. [2024-11-08 18:35:03,763 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 83 [2024-11-08 18:35:03,764 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 83 [2024-11-08 18:35:03,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 83 states and 105 transitions. [2024-11-08 18:35:03,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 18:35:03,766 INFO L218 hiAutomatonCegarLoop]: Abstraction has 83 states and 105 transitions. [2024-11-08 18:35:03,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states and 105 transitions. [2024-11-08 18:35:03,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-08 18:35:03,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 83 states have (on average 1.2650602409638554) internal successors, (105), 82 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:35:03,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 105 transitions. [2024-11-08 18:35:03,804 INFO L240 hiAutomatonCegarLoop]: Abstraction has 83 states and 105 transitions. [2024-11-08 18:35:03,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:35:03,813 INFO L425 stractBuchiCegarLoop]: Abstraction has 83 states and 105 transitions. [2024-11-08 18:35:03,813 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 18:35:03,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 105 transitions. [2024-11-08 18:35:03,816 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2024-11-08 18:35:03,816 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:35:03,816 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:35:03,817 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:35:03,817 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:35:03,817 INFO L745 eck$LassoCheckResult]: Stem: 266#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 267#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~7#1, main_~tmp~6#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 256#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 257#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 249#valid_product_returnLabel#1 main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 250#L827 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 214#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 215#L295-2 [2024-11-08 18:35:03,818 INFO L747 eck$LassoCheckResult]: Loop: 215#L295-2 assume !false; 268#L296 assume test_~splverifierCounter~0#1 < 4; 273#L297 havoc test_#t~nondet19#1;test_~tmp~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 274#L305 assume !(0 != test_~tmp~1#1); 277#L305-2 havoc test_#t~nondet20#1;test_~tmp___0~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 280#L315 assume !(0 != test_~tmp___0~0#1); 236#L315-2 havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 237#L325 assume 0 != test_~tmp___2~0#1; 228#L331-2 assume { :begin_inline_timeShift } true; 253#L149 assume !(0 != ~pumpRunning~0); 254#L149-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 261#L181 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 223#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 224#L181-1 havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 269#L156-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~5#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~5#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 270#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification1_spec__1_#t~ret46#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~5#1 := __utac_acc__Specification1_spec__1_#t~ret46#1;havoc __utac_acc__Specification1_spec__1_#t~ret46#1; 246#L724 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~5#1); 248#L724-1 havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~5#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 285#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 215#L295-2 [2024-11-08 18:35:03,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:35:03,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-08 18:35:03,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:35:03,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856553489] [2024-11-08 18:35:03,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:35:03,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:35:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:35:03,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:35:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:35:03,842 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:35:03,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:35:03,844 INFO L85 PathProgramCache]: Analyzing trace with hash -784127292, now seen corresponding path program 1 times [2024-11-08 18:35:03,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:35:03,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338466603] [2024-11-08 18:35:03,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:35:03,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:35:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:35:03,851 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:35:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:35:03,861 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:35:03,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:35:03,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1518016128, now seen corresponding path program 1 times [2024-11-08 18:35:03,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:35:03,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404980547] [2024-11-08 18:35:03,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:35:03,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:35:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:35:03,883 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:35:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:35:03,902 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:35:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:35:05,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:35:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:35:05,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 06:35:05 BoogieIcfgContainer [2024-11-08 18:35:05,082 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 18:35:05,083 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:35:05,083 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:35:05,084 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:35:05,084 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:35:02" (3/4) ... [2024-11-08 18:35:05,087 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-08 18:35:05,178 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6deb50-e221-488d-8a70-40572a4f1ecd/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 18:35:05,178 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:35:05,179 INFO L158 Benchmark]: Toolchain (without parser) took 3849.24ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 102.6MB in the beginning and 165.4MB in the end (delta: -62.7MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-08 18:35:05,179 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:35:05,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 690.06ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 100.5MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 18:35:05,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.09ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 97.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:35:05,181 INFO L158 Benchmark]: Boogie Preprocessor took 45.44ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 95.3MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:35:05,182 INFO L158 Benchmark]: RCFGBuilder took 632.42ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 77.0MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 18:35:05,183 INFO L158 Benchmark]: BuchiAutomizer took 2313.68ms. Allocated memory is still 142.6MB. Free memory was 77.0MB in the beginning and 46.3MB in the end (delta: 30.7MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-11-08 18:35:05,183 INFO L158 Benchmark]: Witness Printer took 95.34ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 46.3MB in the beginning and 165.4MB in the end (delta: -119.1MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2024-11-08 18:35:05,189 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 690.06ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 100.5MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.09ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 97.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.44ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 95.3MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 632.42ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 77.0MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2313.68ms. Allocated memory is still 142.6MB. Free memory was 77.0MB in the beginning and 46.3MB in the end (delta: 30.7MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * Witness Printer took 95.34ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 46.3MB in the beginning and 165.4MB in the end (delta: -119.1MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [135] - GenericResultAtLocation [Line: 274]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [274] - GenericResultAtLocation [Line: 283]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [283] - GenericResultAtLocation [Line: 349]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [349] - GenericResultAtLocation [Line: 715]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [715] - GenericResultAtLocation [Line: 741]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [741] - GenericResultAtLocation [Line: 840]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [840] * 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 6 locations. The remainder module has 83 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 214 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 214 mSDsluCounter, 325 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 215 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 110 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 295]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L141] int pumpRunning = 0; [L142] int systemActive = 1; [L519] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L742] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L818] int retValue_acc ; [L819] int tmp ; [L823] FCALL select_helpers() [L824] FCALL select_features() [L825] CALL, EXPR valid_product() [L867] int retValue_acc ; [L870] retValue_acc = 1 [L871] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L825] RET, EXPR valid_product() [L825] tmp = valid_product() [L827] COND TRUE \read(tmp) [L829] FCALL setup() [L830] CALL runTest() [L809] CALL test() [L286] int splverifierCounter ; [L287] int tmp ; [L288] int tmp___0 ; [L289] int tmp___1 ; [L290] int tmp___2 ; [L293] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L295] COND TRUE 1 [L297] COND TRUE splverifierCounter < 4 [L303] tmp = __VERIFIER_nondet_int() [L305] COND FALSE !(\read(tmp)) [L313] tmp___0 = __VERIFIER_nondet_int() [L315] COND FALSE !(\read(tmp___0)) [L323] tmp___2 = __VERIFIER_nondet_int() [L325] COND TRUE \read(tmp___2) [L338] CALL timeShift() [L149] COND FALSE !(\read(pumpRunning)) [L156] COND TRUE \read(systemActive) [L158] CALL processEnvironment() [L178] int tmp ; [L181] COND FALSE !(\read(pumpRunning)) [L196] FCALL processEnvironment__wrappee__base() [L158] RET processEnvironment() [L164] CALL __utac_acc__Specification1_spec__1() [L717] int tmp ; [L718] int tmp___0 ; [L722] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L722] RET, EXPR isMethaneLevelCritical() [L722] tmp = isMethaneLevelCritical() [L724] COND FALSE !(\read(tmp)) [L164] RET __utac_acc__Specification1_spec__1() [L338] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 295]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L141] int pumpRunning = 0; [L142] int systemActive = 1; [L519] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L742] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L818] int retValue_acc ; [L819] int tmp ; [L823] FCALL select_helpers() [L824] FCALL select_features() [L825] CALL, EXPR valid_product() [L867] int retValue_acc ; [L870] retValue_acc = 1 [L871] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L825] RET, EXPR valid_product() [L825] tmp = valid_product() [L827] COND TRUE \read(tmp) [L829] FCALL setup() [L830] CALL runTest() [L809] CALL test() [L286] int splverifierCounter ; [L287] int tmp ; [L288] int tmp___0 ; [L289] int tmp___1 ; [L290] int tmp___2 ; [L293] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L295] COND TRUE 1 [L297] COND TRUE splverifierCounter < 4 [L303] tmp = __VERIFIER_nondet_int() [L305] COND FALSE !(\read(tmp)) [L313] tmp___0 = __VERIFIER_nondet_int() [L315] COND FALSE !(\read(tmp___0)) [L323] tmp___2 = __VERIFIER_nondet_int() [L325] COND TRUE \read(tmp___2) [L338] CALL timeShift() [L149] COND FALSE !(\read(pumpRunning)) [L156] COND TRUE \read(systemActive) [L158] CALL processEnvironment() [L178] int tmp ; [L181] COND FALSE !(\read(pumpRunning)) [L196] FCALL processEnvironment__wrappee__base() [L158] RET processEnvironment() [L164] CALL __utac_acc__Specification1_spec__1() [L717] int tmp ; [L718] int tmp___0 ; [L722] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L722] RET, EXPR isMethaneLevelCritical() [L722] tmp = isMethaneLevelCritical() [L724] COND FALSE !(\read(tmp)) [L164] RET __utac_acc__Specification1_spec__1() [L338] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 18:35:05,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6deb50-e221-488d-8a70-40572a4f1ecd/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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)