./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3bd863-12a2-466a-a0d3-09d4cbb3ade3/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3bd863-12a2-466a-a0d3-09d4cbb3ade3/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3bd863-12a2-466a-a0d3-09d4cbb3ade3/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3bd863-12a2-466a-a0d3-09d4cbb3ade3/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3bd863-12a2-466a-a0d3-09d4cbb3ade3/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3bd863-12a2-466a-a0d3-09d4cbb3ade3/bin/uautomizer-verify-aQ6SnzHsRB --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 0f0278c2773470a06f8089ff3a19b4fc8f9f02250351c943b77ab9e7410bf690 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:33:51,960 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:33:52,041 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3bd863-12a2-466a-a0d3-09d4cbb3ade3/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 04:33:52,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:33:52,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:33:52,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:33:52,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:33:52,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:33:52,077 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:33:52,077 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:33:52,078 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:33:52,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:33:52,078 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:33:52,078 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 04:33:52,078 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 04:33:52,078 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 04:33:52,078 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 04:33:52,079 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 04:33:52,079 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 04:33:52,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:33:52,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 04:33:52,079 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:33:52,079 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:33:52,079 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:33:52,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:33:52,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 04:33:52,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 04:33:52,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 04:33:52,080 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:33:52,080 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:33:52,080 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:33:52,082 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 04:33:52,082 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:33:52,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:33:52,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:33:52,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:33:52,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:33:52,083 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 04:33:52,083 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 04:33:52,083 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_8b3bd863-12a2-466a-a0d3-09d4cbb3ade3/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 0f0278c2773470a06f8089ff3a19b4fc8f9f02250351c943b77ab9e7410bf690 [2024-11-28 04:33:52,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:33:52,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:33:52,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:33:52,381 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:33:52,382 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:33:52,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3bd863-12a2-466a-a0d3-09d4cbb3ade3/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2024-11-28 04:33:55,607 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3bd863-12a2-466a-a0d3-09d4cbb3ade3/bin/uautomizer-verify-aQ6SnzHsRB/data/15f9dc391/91f916270722407e9d73bc73de5980a2/FLAG6836b42c6 [2024-11-28 04:33:56,125 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:33:56,126 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3bd863-12a2-466a-a0d3-09d4cbb3ade3/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2024-11-28 04:33:56,152 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3bd863-12a2-466a-a0d3-09d4cbb3ade3/bin/uautomizer-verify-aQ6SnzHsRB/data/15f9dc391/91f916270722407e9d73bc73de5980a2/FLAG6836b42c6 [2024-11-28 04:33:56,182 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3bd863-12a2-466a-a0d3-09d4cbb3ade3/bin/uautomizer-verify-aQ6SnzHsRB/data/15f9dc391/91f916270722407e9d73bc73de5980a2 [2024-11-28 04:33:56,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:33:56,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:33:56,192 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:33:56,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:33:56,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:33:56,202 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:56" (1/1) ... [2024-11-28 04:33:56,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d283e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:56, skipping insertion in model container [2024-11-28 04:33:56,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:56" (1/1) ... [2024-11-28 04:33:56,257 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:33:56,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:33:56,684 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:33:56,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-28 04:33:56,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2024-11-28 04:33:56,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [501] [2024-11-28 04:33:56,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [510] [2024-11-28 04:33:56,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [548] [2024-11-28 04:33:56,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [647] [2024-11-28 04:33:56,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [674] [2024-11-28 04:33:56,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [739] [2024-11-28 04:33:56,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:33:56,829 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:33:56,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:56 WrapperNode [2024-11-28 04:33:56,830 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:33:56,831 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:33:56,832 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:33:56,832 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:33:56,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:56" (1/1) ... [2024-11-28 04:33:56,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:56" (1/1) ... [2024-11-28 04:33:56,895 INFO L138 Inliner]: procedures = 51, calls = 95, calls flagged for inlining = 48, calls inlined = 50, statements flattened = 307 [2024-11-28 04:33:56,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:33:56,896 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:33:56,896 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:33:56,896 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:33:56,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:56" (1/1) ... [2024-11-28 04:33:56,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:56" (1/1) ... [2024-11-28 04:33:56,912 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:56" (1/1) ... [2024-11-28 04:33:56,928 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]. [2024-11-28 04:33:56,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:56" (1/1) ... [2024-11-28 04:33:56,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:56" (1/1) ... [2024-11-28 04:33:56,934 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:56" (1/1) ... [2024-11-28 04:33:56,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:56" (1/1) ... [2024-11-28 04:33:56,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:56" (1/1) ... [2024-11-28 04:33:56,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:56" (1/1) ... [2024-11-28 04:33:56,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:56" (1/1) ... [2024-11-28 04:33:56,948 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:33:56,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:33:56,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:33:56,949 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:33:56,950 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:56" (1/1) ... [2024-11-28 04:33:56,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:33:56,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3bd863-12a2-466a-a0d3-09d4cbb3ade3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:33:57,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3bd863-12a2-466a-a0d3-09d4cbb3ade3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:33:57,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3bd863-12a2-466a-a0d3-09d4cbb3ade3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 04:33:57,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:33:57,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:33:57,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:33:57,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:33:57,158 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:33:57,165 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:33:57,675 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-28 04:33:57,676 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:33:57,694 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:33:57,697 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 04:33:57,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:57 BoogieIcfgContainer [2024-11-28 04:33:57,697 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:33:57,699 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 04:33:57,699 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 04:33:57,707 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 04:33:57,708 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:33:57,708 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 04:33:56" (1/3) ... [2024-11-28 04:33:57,710 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d80d81b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:33:57, skipping insertion in model container [2024-11-28 04:33:57,711 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:33:57,711 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:56" (2/3) ... [2024-11-28 04:33:57,711 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d80d81b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:33:57, skipping insertion in model container [2024-11-28 04:33:57,711 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:33:57,712 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:57" (3/3) ... [2024-11-28 04:33:57,713 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product13.cil.c [2024-11-28 04:33:57,796 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 04:33:57,797 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 04:33:57,798 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 04:33:57,798 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 04:33:57,799 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 04:33:57,799 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 04:33:57,799 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 04:33:57,799 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 04:33:57,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 97 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 96 states have internal predecessors, (130), 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) [2024-11-28 04:33:57,840 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2024-11-28 04:33:57,843 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:33:57,844 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:33:57,851 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:33:57,851 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:33:57,852 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 04:33:57,852 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 97 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 96 states have internal predecessors, (130), 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) [2024-11-28 04:33:57,860 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2024-11-28 04:33:57,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:33:57,860 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:33:57,861 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:33:57,863 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:33:57,871 INFO L747 eck$LassoCheckResult]: Stem: "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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1;" "main_#t~ret33#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1;" "assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-28 04:33:57,872 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_#t~ret35#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "__utac_acc__Specification1_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret34#1;havoc __utac_acc__Specification1_spec__1_#t~ret34#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_#t~ret35#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-28 04:33:57,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:57,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-28 04:33:57,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:33:57,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094596125] [2024-11-28 04:33:57,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:57,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:33:58,041 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:33:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:33:58,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:33:58,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:58,109 INFO L85 PathProgramCache]: Analyzing trace with hash 348702968, now seen corresponding path program 1 times [2024-11-28 04:33:58,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:33:58,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810304683] [2024-11-28 04:33:58,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:58,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:33:58,134 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:33:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:33:58,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:33:58,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:58,156 INFO L85 PathProgramCache]: Analyzing trace with hash 392426164, now seen corresponding path program 1 times [2024-11-28 04:33:58,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:33:58,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806266450] [2024-11-28 04:33:58,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:58,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:58,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:33:58,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806266450] [2024-11-28 04:33:58,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806266450] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:33:58,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627199155] [2024-11-28 04:33:58,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:58,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:33:58,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3bd863-12a2-466a-a0d3-09d4cbb3ade3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:33:58,590 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3bd863-12a2-466a-a0d3-09d4cbb3ade3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:33:58,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3bd863-12a2-466a-a0d3-09d4cbb3ade3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:33:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:58,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:33:58,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:33:58,797 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:33:58,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627199155] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:33:58,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:33:58,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-28 04:33:58,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136730309] [2024-11-28 04:33:58,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:33:59,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 04:33:59,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:33:59,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:33:59,042 INFO L87 Difference]: Start difference. First operand has 97 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 96 states have internal predecessors, (130), 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 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 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) [2024-11-28 04:33:59,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:59,156 INFO L93 Difference]: Finished difference Result 91 states and 113 transitions. [2024-11-28 04:33:59,157 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 113 transitions. [2024-11-28 04:33:59,162 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 54 [2024-11-28 04:33:59,178 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 81 states and 103 transitions. [2024-11-28 04:33:59,180 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 81 [2024-11-28 04:33:59,181 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 81 [2024-11-28 04:33:59,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 81 states and 103 transitions. [2024-11-28 04:33:59,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 04:33:59,183 INFO L218 hiAutomatonCegarLoop]: Abstraction has 81 states and 103 transitions. [2024-11-28 04:33:59,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states and 103 transitions. [2024-11-28 04:33:59,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-28 04:33:59,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 81 states have (on average 1.271604938271605) internal successors, (103), 80 states have internal predecessors, (103), 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) [2024-11-28 04:33:59,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 103 transitions. [2024-11-28 04:33:59,215 INFO L240 hiAutomatonCegarLoop]: Abstraction has 81 states and 103 transitions. [2024-11-28 04:33:59,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:33:59,225 INFO L425 stractBuchiCegarLoop]: Abstraction has 81 states and 103 transitions. [2024-11-28 04:33:59,225 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 04:33:59,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states and 103 transitions. [2024-11-28 04:33:59,227 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 54 [2024-11-28 04:33:59,231 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:33:59,231 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:33:59,232 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:33:59,232 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:33:59,232 INFO L747 eck$LassoCheckResult]: Stem: "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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1;" "main_#t~ret33#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1;" "assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-28 04:33:59,232 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;" "assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_#t~ret35#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "__utac_acc__Specification1_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret34#1;havoc __utac_acc__Specification1_spec__1_#t~ret34#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_#t~ret35#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-28 04:33:59,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:59,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-28 04:33:59,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:33:59,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116754098] [2024-11-28 04:33:59,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:59,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:33:59,266 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:33:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:33:59,282 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:33:59,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:59,283 INFO L85 PathProgramCache]: Analyzing trace with hash -208089039, now seen corresponding path program 1 times [2024-11-28 04:33:59,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:33:59,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058350712] [2024-11-28 04:33:59,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:59,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:33:59,290 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:33:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:33:59,297 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:33:59,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:59,298 INFO L85 PathProgramCache]: Analyzing trace with hash 974552309, now seen corresponding path program 1 times [2024-11-28 04:33:59,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:33:59,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721472335] [2024-11-28 04:33:59,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:59,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:33:59,312 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:33:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:33:59,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:34:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:34:00,531 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:34:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:34:00,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 04:34:00 BoogieIcfgContainer [2024-11-28 04:34:00,584 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 04:34:00,585 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:34:00,585 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:34:00,585 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:34:00,586 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:57" (3/4) ... [2024-11-28 04:34:00,588 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-28 04:34:00,633 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3bd863-12a2-466a-a0d3-09d4cbb3ade3/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:34:00,634 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:34:00,635 INFO L158 Benchmark]: Toolchain (without parser) took 4446.70ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.6MB in the beginning and 225.6MB in the end (delta: -132.0MB). Peak memory consumption was 99.1MB. Max. memory is 16.1GB. [2024-11-28 04:34:00,635 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:34:00,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 638.35ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 75.4MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:34:00,636 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.89ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 73.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:34:00,636 INFO L158 Benchmark]: Boogie Preprocessor took 52.08ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 71.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:34:00,637 INFO L158 Benchmark]: RCFGBuilder took 749.04ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 54.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:34:00,637 INFO L158 Benchmark]: BuchiAutomizer took 2885.81ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 53.7MB in the beginning and 227.9MB in the end (delta: -174.1MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2024-11-28 04:34:00,637 INFO L158 Benchmark]: Witness Printer took 48.73ms. Allocated memory is still 352.3MB. Free memory was 227.9MB in the beginning and 225.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:34:00,640 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 638.35ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 75.4MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.89ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 73.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.08ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 71.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 749.04ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 54.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2885.81ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 53.7MB in the beginning and 227.9MB in the end (delta: -174.1MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. * Witness Printer took 48.73ms. Allocated memory is still 352.3MB. Free memory was 227.9MB in the beginning and 225.6MB in the end (delta: 2.3MB). There was no memory consumed. 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,"Environment.i","") [415] - GenericResultAtLocation [Line: 501]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [501] - GenericResultAtLocation [Line: 510]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [510] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [548] - GenericResultAtLocation [Line: 647]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [647] - GenericResultAtLocation [Line: 674]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [674] - GenericResultAtLocation [Line: 739]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [739] * 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 7 locations. The remainder module has 81 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. 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, 211 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 211 mSDsluCounter, 319 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 211 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 108 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: 687]: 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; [L422] int waterLevel = 1; [L423] int methaneLevelCritical = 0; [L549] int cleanupTimeShifts = 4; [L742] int pumpRunning = 0; [L743] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L625] int retValue_acc ; [L626] int tmp ; [L630] FCALL select_helpers() [L631] FCALL select_features() [L632] CALL, EXPR valid_product() [L540] int retValue_acc ; [L543] retValue_acc = 1 [L544] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L632] RET, EXPR valid_product() [L632] tmp = valid_product() [L634] COND TRUE \read(tmp) [L636] FCALL setup() [L637] CALL runTest() [L619] CALL test() [L676] int splverifierCounter ; [L677] int tmp ; [L678] int tmp___0 ; [L679] int tmp___1 ; [L680] int tmp___2 ; [L683] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L687] COND TRUE splverifierCounter < 4 [L693] tmp = __VERIFIER_nondet_int() [L695] COND FALSE !(\read(tmp)) [L703] tmp___0 = __VERIFIER_nondet_int() [L705] COND FALSE !(\read(tmp___0)) [L713] tmp___2 = __VERIFIER_nondet_int() [L715] COND TRUE \read(tmp___2) [L728] CALL timeShift() [L749] COND FALSE !(\read(pumpRunning)) [L756] COND TRUE \read(systemActive) [L758] CALL processEnvironment() [L778] int tmp ; [L781] COND FALSE !(\read(pumpRunning)) [L796] FCALL processEnvironment__wrappee__methaneQuery() [L758] RET processEnvironment() [L764] CALL __utac_acc__Specification1_spec__1() [L650] int tmp ; [L651] int tmp___0 ; [L655] CALL, EXPR isMethaneLevelCritical() [L461] int retValue_acc ; [L464] retValue_acc = methaneLevelCritical [L465] return (retValue_acc); [L655] RET, EXPR isMethaneLevelCritical() [L655] tmp = isMethaneLevelCritical() [L657] COND FALSE !(\read(tmp)) [L764] RET __utac_acc__Specification1_spec__1() [L728] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 687]: 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; [L422] int waterLevel = 1; [L423] int methaneLevelCritical = 0; [L549] int cleanupTimeShifts = 4; [L742] int pumpRunning = 0; [L743] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L625] int retValue_acc ; [L626] int tmp ; [L630] FCALL select_helpers() [L631] FCALL select_features() [L632] CALL, EXPR valid_product() [L540] int retValue_acc ; [L543] retValue_acc = 1 [L544] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L632] RET, EXPR valid_product() [L632] tmp = valid_product() [L634] COND TRUE \read(tmp) [L636] FCALL setup() [L637] CALL runTest() [L619] CALL test() [L676] int splverifierCounter ; [L677] int tmp ; [L678] int tmp___0 ; [L679] int tmp___1 ; [L680] int tmp___2 ; [L683] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L687] COND TRUE splverifierCounter < 4 [L693] tmp = __VERIFIER_nondet_int() [L695] COND FALSE !(\read(tmp)) [L703] tmp___0 = __VERIFIER_nondet_int() [L705] COND FALSE !(\read(tmp___0)) [L713] tmp___2 = __VERIFIER_nondet_int() [L715] COND TRUE \read(tmp___2) [L728] CALL timeShift() [L749] COND FALSE !(\read(pumpRunning)) [L756] COND TRUE \read(systemActive) [L758] CALL processEnvironment() [L778] int tmp ; [L781] COND FALSE !(\read(pumpRunning)) [L796] FCALL processEnvironment__wrappee__methaneQuery() [L758] RET processEnvironment() [L764] CALL __utac_acc__Specification1_spec__1() [L650] int tmp ; [L651] int tmp___0 ; [L655] CALL, EXPR isMethaneLevelCritical() [L461] int retValue_acc ; [L464] retValue_acc = methaneLevelCritical [L465] return (retValue_acc); [L655] RET, EXPR isMethaneLevelCritical() [L655] tmp = isMethaneLevelCritical() [L657] COND FALSE !(\read(tmp)) [L764] RET __utac_acc__Specification1_spec__1() [L728] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-28 04:34:00,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3bd863-12a2-466a-a0d3-09d4cbb3ade3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:34:00,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3bd863-12a2-466a-a0d3-09d4cbb3ade3/bin/uautomizer-verify-aQ6SnzHsRB/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)