./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 9bd2c7ff
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_677a6dff-49e0-4a6e-b378-3dfdb2d5d6fa/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677a6dff-49e0-4a6e-b378-3dfdb2d5d6fa/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677a6dff-49e0-4a6e-b378-3dfdb2d5d6fa/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677a6dff-49e0-4a6e-b378-3dfdb2d5d6fa/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677a6dff-49e0-4a6e-b378-3dfdb2d5d6fa/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677a6dff-49e0-4a6e-b378-3dfdb2d5d6fa/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1e4d2a057e25f6959650b499ceac5ee260080b43c52b288c780b8039e90be344
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 08:03:35,123 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 08:03:35,199 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677a6dff-49e0-4a6e-b378-3dfdb2d5d6fa/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf
[2023-11-19 08:03:35,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 08:03:35,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 08:03:35,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 08:03:35,231 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 08:03:35,231 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 08:03:35,232 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 08:03:35,233 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 08:03:35,234 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 08:03:35,234 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2023-11-19 08:03:35,235 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2023-11-19 08:03:35,236 INFO L153 SettingsManager]: * Use old map elimination=false
[2023-11-19 08:03:35,236 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2023-11-19 08:03:35,237 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2023-11-19 08:03:35,237 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2023-11-19 08:03:35,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 08:03:35,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2023-11-19 08:03:35,239 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 08:03:35,240 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 08:03:35,241 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 08:03:35,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 08:03:35,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2023-11-19 08:03:35,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2023-11-19 08:03:35,243 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2023-11-19 08:03:35,243 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 08:03:35,244 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 08:03:35,244 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 08:03:35,245 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2023-11-19 08:03:35,245 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 08:03:35,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 08:03:35,247 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 08:03:35,247 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 08:03:35,248 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 08:03:35,248 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2023-11-19 08:03:35,249 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_677a6dff-49e0-4a6e-b378-3dfdb2d5d6fa/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677a6dff-49e0-4a6e-b378-3dfdb2d5d6fa/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e4d2a057e25f6959650b499ceac5ee260080b43c52b288c780b8039e90be344
[2023-11-19 08:03:35,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 08:03:35,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 08:03:35,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 08:03:35,616 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 08:03:35,618 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 08:03:35,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677a6dff-49e0-4a6e-b378-3dfdb2d5d6fa/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c
[2023-11-19 08:03:38,816 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 08:03:39,238 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 08:03:39,244 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677a6dff-49e0-4a6e-b378-3dfdb2d5d6fa/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c
[2023-11-19 08:03:39,267 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677a6dff-49e0-4a6e-b378-3dfdb2d5d6fa/bin/uautomizer-verify-uCwYo4JHxu/data/93dd0e513/bfec956e95154fdebb26eea1a4a2ec83/FLAG8a664214a
[2023-11-19 08:03:39,287 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677a6dff-49e0-4a6e-b378-3dfdb2d5d6fa/bin/uautomizer-verify-uCwYo4JHxu/data/93dd0e513/bfec956e95154fdebb26eea1a4a2ec83
[2023-11-19 08:03:39,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 08:03:39,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 08:03:39,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 08:03:39,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 08:03:39,309 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 08:03:39,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:39" (1/1) ...
[2023-11-19 08:03:39,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a6a428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:39, skipping insertion in model container
[2023-11-19 08:03:39,314 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:39" (1/1) ...
[2023-11-19 08:03:39,389 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 08:03:39,761 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:03:39,790 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 08:03:39,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49]
[2023-11-19 08:03:39,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [415]
[2023-11-19 08:03:39,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [521]
[2023-11-19 08:03:39,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [716]
[2023-11-19 08:03:39,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [783]
[2023-11-19 08:03:39,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [792]
[2023-11-19 08:03:39,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [831]
[2023-11-19 08:03:39,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [921]
[2023-11-19 08:03:39,865 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:03:39,887 INFO L206 MainTranslator]: Completed translation
[2023-11-19 08:03:39,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:39 WrapperNode
[2023-11-19 08:03:39,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 08:03:39,889 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 08:03:39,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 08:03:39,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 08:03:39,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:39" (1/1) ...
[2023-11-19 08:03:39,915 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:39" (1/1) ...
[2023-11-19 08:03:39,964 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 53, calls inlined = 82, statements flattened = 526
[2023-11-19 08:03:39,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 08:03:39,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 08:03:39,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 08:03:39,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 08:03:39,976 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:39" (1/1) ...
[2023-11-19 08:03:39,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:39" (1/1) ...
[2023-11-19 08:03:39,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:39" (1/1) ...
[2023-11-19 08:03:39,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:39" (1/1) ...
[2023-11-19 08:03:40,008 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:39" (1/1) ...
[2023-11-19 08:03:40,015 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:39" (1/1) ...
[2023-11-19 08:03:40,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:39" (1/1) ...
[2023-11-19 08:03:40,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:39" (1/1) ...
[2023-11-19 08:03:40,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 08:03:40,026 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 08:03:40,027 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 08:03:40,027 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 08:03:40,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:39" (1/1) ...
[2023-11-19 08:03:40,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 08:03:40,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677a6dff-49e0-4a6e-b378-3dfdb2d5d6fa/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:03:40,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677a6dff-49e0-4a6e-b378-3dfdb2d5d6fa/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 08:03:40,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677a6dff-49e0-4a6e-b378-3dfdb2d5d6fa/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2023-11-19 08:03:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 08:03:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 08:03:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 08:03:40,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 08:03:40,209 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 08:03:40,213 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 08:03:40,691 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 08:03:40,713 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 08:03:40,713 INFO L302 CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 08:03:40,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:40 BoogieIcfgContainer
[2023-11-19 08:03:40,718 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 08:03:40,719 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2023-11-19 08:03:40,720 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2023-11-19 08:03:40,723 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2023-11-19 08:03:40,724 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 08:03:40,725 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 08:03:39" (1/3) ...
[2023-11-19 08:03:40,726 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9134b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:03:40, skipping insertion in model container
[2023-11-19 08:03:40,726 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 08:03:40,726 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:39" (2/3) ...
[2023-11-19 08:03:40,727 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9134b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:03:40, skipping insertion in model container
[2023-11-19 08:03:40,727 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 08:03:40,727 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:40" (3/3) ...
[2023-11-19 08:03:40,729 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product22.cil.c
[2023-11-19 08:03:40,798 INFO L303 stractBuchiCegarLoop]: Interprodecural is true
[2023-11-19 08:03:40,798 INFO L304 stractBuchiCegarLoop]: Hoare is false
[2023-11-19 08:03:40,798 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2023-11-19 08:03:40,798 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2023-11-19 08:03:40,799 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2023-11-19 08:03:40,799 INFO L308 stractBuchiCegarLoop]: Difference is false
[2023-11-19 08:03:40,799 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2023-11-19 08:03:40,799 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2023-11-19 08:03:40,805 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 158 states, 157 states have (on average 1.3503184713375795) internal successors, (212), 157 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:03:40,835 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101
[2023-11-19 08:03:40,835 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 08:03:40,835 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 08:03:40,844 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:03:40,845 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:03:40,845 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2023-11-19 08:03:40,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 158 states, 157 states have (on average 1.3503184713375795) internal successors, (212), 157 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:03:40,857 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101
[2023-11-19 08:03:40,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 08:03:40,857 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 08:03:40,859 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:03:40,859 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:03:40,865 INFO L748 eck$LassoCheckResult]: Stem: 26#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 38#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 21#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 125#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 102#valid_product_returnLabel#1true main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 27#L508true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 80#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 121#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 114#L727-2true
[2023-11-19 08:03:40,866 INFO L750 eck$LassoCheckResult]: Loop: 114#L727-2true assume !false; 71#L728true assume test_~splverifierCounter~0#1 < 4; 32#L729true havoc test_#t~nondet40#1;test_~tmp~7#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 22#L737true assume !(0 != test_~tmp~7#1); 111#L737-2true havoc test_#t~nondet41#1;test_~tmp___0~1#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 13#L747true assume !(0 != test_~tmp___0~1#1); 49#L747-2true havoc test_#t~nondet42#1;test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 62#L757true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 58#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 25#L765-2true assume { :begin_inline_timeShift } true; 131#L538true assume !(0 != ~pumpRunning~0); 15#L538-2true assume !(0 != ~systemActive~0); 155#L545-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret44#1, __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~8#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 76#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification2_spec__2_#t~ret44#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8#1 := __utac_acc__Specification2_spec__2_#t~ret44#1;havoc __utac_acc__Specification2_spec__2_#t~ret44#1; 7#L810true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8#1);~methAndRunningLastTime~0 := 0; 138#L810-1true havoc __utac_acc__Specification2_spec__2_#t~ret44#1, __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 67#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 114#L727-2true
[2023-11-19 08:03:40,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:03:40,873 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times
[2023-11-19 08:03:40,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:03:40,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994765021]
[2023-11-19 08:03:40,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:03:40,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:03:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:03:41,024 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 08:03:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:03:41,093 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 08:03:41,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:03:41,098 INFO L85 PathProgramCache]: Analyzing trace with hash -560120821, now seen corresponding path program 1 times
[2023-11-19 08:03:41,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:03:41,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458377033]
[2023-11-19 08:03:41,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:03:41,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:03:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:03:41,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:03:41,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:03:41,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458377033]
[2023-11-19 08:03:41,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458377033] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:03:41,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:03:41,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 08:03:41,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830262970]
[2023-11-19 08:03:41,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:03:41,269 INFO L765 eck$LassoCheckResult]: loop already infeasible
[2023-11-19 08:03:41,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:03:41,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:03:41,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:03:41,306 INFO L87 Difference]: Start difference. First operand has 158 states, 157 states have (on average 1.3503184713375795) internal successors, (212), 157 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:03:41,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:03:41,358 INFO L93 Difference]: Finished difference Result 152 states and 196 transitions.
[2023-11-19 08:03:41,359 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 152 states and 196 transitions.
[2023-11-19 08:03:41,366 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 95
[2023-11-19 08:03:41,373 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 152 states to 142 states and 185 transitions.
[2023-11-19 08:03:41,379 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 142
[2023-11-19 08:03:41,381 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 142
[2023-11-19 08:03:41,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 142 states and 185 transitions.
[2023-11-19 08:03:41,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:03:41,383 INFO L218 hiAutomatonCegarLoop]: Abstraction has 142 states and 185 transitions.
[2023-11-19 08:03:41,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states and 185 transitions.
[2023-11-19 08:03:41,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142.
[2023-11-19 08:03:41,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 142 states have (on average 1.3028169014084507) internal successors, (185), 141 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:03:41,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 185 transitions.
[2023-11-19 08:03:41,445 INFO L240 hiAutomatonCegarLoop]: Abstraction has 142 states and 185 transitions.
[2023-11-19 08:03:41,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:03:41,453 INFO L428 stractBuchiCegarLoop]: Abstraction has 142 states and 185 transitions.
[2023-11-19 08:03:41,454 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2023-11-19 08:03:41,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 142 states and 185 transitions.
[2023-11-19 08:03:41,463 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 95
[2023-11-19 08:03:41,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 08:03:41,464 INFO L119 BuchiIsEmpty]: Starting construction of run
[2023-11-19 08:03:41,464 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:03:41,465 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:03:41,465 INFO L748 eck$LassoCheckResult]: Stem: 361#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 362#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 353#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 354#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 440#valid_product_returnLabel#1 main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 363#L508 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 364#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 422#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 412#L727-2
[2023-11-19 08:03:41,465 INFO L750 eck$LassoCheckResult]: Loop: 412#L727-2 assume !false; 415#L728 assume test_~splverifierCounter~0#1 < 4; 373#L729 havoc test_#t~nondet40#1;test_~tmp~7#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 355#L737 assume !(0 != test_~tmp~7#1); 357#L737-2 havoc test_#t~nondet41#1;test_~tmp___0~1#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 338#L747 assume !(0 != test_~tmp___0~1#1); 340#L747-2 havoc test_#t~nondet42#1;test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 395#L757 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 406#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 359#L765-2 assume { :begin_inline_timeShift } true; 360#L538 assume !(0 != ~pumpRunning~0); 343#L538-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 344#L596 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret28#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4#1; 390#L570-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 322#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 323#L570-3 havoc processEnvironment__wrappee__lowWaterSensor_#t~ret28#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 434#L596-1 havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 438#L545-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret44#1, __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~8#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 417#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification2_spec__2_#t~ret44#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8#1 := __utac_acc__Specification2_spec__2_#t~ret44#1;havoc __utac_acc__Specification2_spec__2_#t~ret44#1; 324#L810 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8#1);~methAndRunningLastTime~0 := 0; 326#L810-1 havoc __utac_acc__Specification2_spec__2_#t~ret44#1, __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 411#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 412#L727-2
[2023-11-19 08:03:41,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:03:41,466 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times
[2023-11-19 08:03:41,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:03:41,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388735563]
[2023-11-19 08:03:41,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:03:41,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:03:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:03:41,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 08:03:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:03:41,531 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 08:03:41,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:03:41,532 INFO L85 PathProgramCache]: Analyzing trace with hash 458056107, now seen corresponding path program 1 times
[2023-11-19 08:03:41,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:03:41,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213255901]
[2023-11-19 08:03:41,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:03:41,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:03:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:03:41,554 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 08:03:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:03:41,565 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 08:03:41,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:03:41,567 INFO L85 PathProgramCache]: Analyzing trace with hash 900267988, now seen corresponding path program 1 times
[2023-11-19 08:03:41,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:03:41,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659641048]
[2023-11-19 08:03:41,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:03:41,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:03:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:03:41,592 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 08:03:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:03:41,615 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 08:03:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:03:43,079 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 08:03:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:03:43,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 08:03:43 BoogieIcfgContainer
[2023-11-19 08:03:43,168 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2023-11-19 08:03:43,169 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 08:03:43,170 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 08:03:43,170 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 08:03:43,170 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:40" (3/4) ...
[2023-11-19 08:03:43,172 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2023-11-19 08:03:43,259 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677a6dff-49e0-4a6e-b378-3dfdb2d5d6fa/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 08:03:43,263 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 08:03:43,264 INFO L158 Benchmark]: Toolchain (without parser) took 3966.33ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 121.6MB in the beginning and 106.6MB in the end (delta: 15.0MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB.
[2023-11-19 08:03:43,264 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 157.3MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:03:43,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 587.55ms. Allocated memory is still 157.3MB. Free memory was 121.6MB in the beginning and 102.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2023-11-19 08:03:43,265 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.53ms. Allocated memory is still 157.3MB. Free memory was 102.7MB in the beginning and 99.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:03:43,266 INFO L158 Benchmark]: Boogie Preprocessor took 60.16ms. Allocated memory is still 157.3MB. Free memory was 99.5MB in the beginning and 97.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:03:43,267 INFO L158 Benchmark]: RCFGBuilder took 692.06ms. Allocated memory is still 157.3MB. Free memory was 97.4MB in the beginning and 74.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2023-11-19 08:03:43,271 INFO L158 Benchmark]: BuchiAutomizer took 2448.91ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 74.4MB in the beginning and 109.8MB in the end (delta: -35.4MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB.
[2023-11-19 08:03:43,272 INFO L158 Benchmark]: Witness Printer took 93.80ms. Allocated memory is still 207.6MB. Free memory was 109.8MB in the beginning and 106.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:03:43,274 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.75ms. Allocated memory is still 157.3MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 587.55ms. Allocated memory is still 157.3MB. Free memory was 121.6MB in the beginning and 102.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 75.53ms. Allocated memory is still 157.3MB. Free memory was 102.7MB in the beginning and 99.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 60.16ms. Allocated memory is still 157.3MB. Free memory was 99.5MB in the beginning and 97.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 692.06ms. Allocated memory is still 157.3MB. Free memory was 97.4MB in the beginning and 74.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
* BuchiAutomizer took 2448.91ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 74.4MB in the beginning and 109.8MB in the end (delta: -35.4MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB.
* Witness Printer took 93.80ms. Allocated memory is still 207.6MB. Free memory was 109.8MB in the beginning and 106.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResultAtLocation [Line: 49]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49]
- GenericResultAtLocation [Line: 415]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [415]
- GenericResultAtLocation [Line: 521]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [521]
- GenericResultAtLocation [Line: 716]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [716]
- GenericResultAtLocation [Line: 783]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [783]
- GenericResultAtLocation [Line: 792]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [792]
- GenericResultAtLocation [Line: 831]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [831]
- GenericResultAtLocation [Line: 921]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [921]
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 142 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. 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, 191 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 191 mSDsluCounter, 193 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 193 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- LassoShapedNonTerminationArgument [Line: 727]: 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;
[L416] int cleanupTimeShifts = 4;
[L530] int pumpRunning = 0;
[L531] int systemActive = 1;
[L793] int methAndRunningLastTime ;
[L833] int waterLevel = 1;
[L834] int methaneLevelCritical = 0;
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L499] int retValue_acc ;
[L500] int tmp ;
[L504] FCALL select_helpers()
[L505] FCALL select_features()
[L506] CALL, EXPR valid_product()
[L948] int retValue_acc ;
[L951] retValue_acc = 1
[L952] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L506] RET, EXPR valid_product()
[L506] tmp = valid_product()
[L508] COND TRUE \read(tmp)
[L510] FCALL setup()
[L511] CALL runTest()
[L489] CALL __utac_acc__Specification2_spec__1()
[L798] methAndRunningLastTime = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L489] RET __utac_acc__Specification2_spec__1()
[L490] CALL test()
[L718] int splverifierCounter ;
[L719] int tmp ;
[L720] int tmp___0 ;
[L721] int tmp___1 ;
[L722] int tmp___2 ;
[L725] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L727] COND TRUE 1
[L729] COND TRUE splverifierCounter < 4
[L735] tmp = __VERIFIER_nondet_int()
[L737] COND FALSE !(\read(tmp))
[L745] tmp___0 = __VERIFIER_nondet_int()
[L747] COND FALSE !(\read(tmp___0))
[L755] tmp___2 = __VERIFIER_nondet_int()
[L757] COND TRUE \read(tmp___2)
[L759] CALL startSystem()
[L712] systemActive = 1
[L759] RET startSystem()
[L772] CALL timeShift()
[L538] COND FALSE !(\read(pumpRunning))
[L545] COND TRUE \read(systemActive)
[L547] CALL processEnvironment()
[L593] int tmp ;
[L596] COND FALSE !(\read(pumpRunning))
[L611] CALL processEnvironment__wrappee__lowWaterSensor()
[L567] int tmp ;
[L570] COND FALSE !(\read(pumpRunning))
[L585] FCALL processEnvironment__wrappee__base()
[L611] RET processEnvironment__wrappee__lowWaterSensor()
[L547] RET processEnvironment()
[L553] CALL __utac_acc__Specification2_spec__2()
[L803] int tmp ;
[L804] int tmp___0 ;
[L808] CALL, EXPR isMethaneLevelCritical()
[L872] int retValue_acc ;
[L875] retValue_acc = methaneLevelCritical
[L876] return (retValue_acc);
[L808] RET, EXPR isMethaneLevelCritical()
[L808] tmp = isMethaneLevelCritical()
[L810] COND FALSE !(\read(tmp))
[L826] methAndRunningLastTime = 0
[L553] RET __utac_acc__Specification2_spec__2()
[L772] RET timeShift()
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 727]: 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;
[L416] int cleanupTimeShifts = 4;
[L530] int pumpRunning = 0;
[L531] int systemActive = 1;
[L793] int methAndRunningLastTime ;
[L833] int waterLevel = 1;
[L834] int methaneLevelCritical = 0;
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L499] int retValue_acc ;
[L500] int tmp ;
[L504] FCALL select_helpers()
[L505] FCALL select_features()
[L506] CALL, EXPR valid_product()
[L948] int retValue_acc ;
[L951] retValue_acc = 1
[L952] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L506] RET, EXPR valid_product()
[L506] tmp = valid_product()
[L508] COND TRUE \read(tmp)
[L510] FCALL setup()
[L511] CALL runTest()
[L489] CALL __utac_acc__Specification2_spec__1()
[L798] methAndRunningLastTime = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L489] RET __utac_acc__Specification2_spec__1()
[L490] CALL test()
[L718] int splverifierCounter ;
[L719] int tmp ;
[L720] int tmp___0 ;
[L721] int tmp___1 ;
[L722] int tmp___2 ;
[L725] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L727] COND TRUE 1
[L729] COND TRUE splverifierCounter < 4
[L735] tmp = __VERIFIER_nondet_int()
[L737] COND FALSE !(\read(tmp))
[L745] tmp___0 = __VERIFIER_nondet_int()
[L747] COND FALSE !(\read(tmp___0))
[L755] tmp___2 = __VERIFIER_nondet_int()
[L757] COND TRUE \read(tmp___2)
[L759] CALL startSystem()
[L712] systemActive = 1
[L759] RET startSystem()
[L772] CALL timeShift()
[L538] COND FALSE !(\read(pumpRunning))
[L545] COND TRUE \read(systemActive)
[L547] CALL processEnvironment()
[L593] int tmp ;
[L596] COND FALSE !(\read(pumpRunning))
[L611] CALL processEnvironment__wrappee__lowWaterSensor()
[L567] int tmp ;
[L570] COND FALSE !(\read(pumpRunning))
[L585] FCALL processEnvironment__wrappee__base()
[L611] RET processEnvironment__wrappee__lowWaterSensor()
[L547] RET processEnvironment()
[L553] CALL __utac_acc__Specification2_spec__2()
[L803] int tmp ;
[L804] int tmp___0 ;
[L808] CALL, EXPR isMethaneLevelCritical()
[L872] int retValue_acc ;
[L875] retValue_acc = methaneLevelCritical
[L876] return (retValue_acc);
[L808] RET, EXPR isMethaneLevelCritical()
[L808] tmp = isMethaneLevelCritical()
[L810] COND FALSE !(\read(tmp))
[L826] methAndRunningLastTime = 0
[L553] RET __utac_acc__Specification2_spec__2()
[L772] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2023-11-19 08:03:43,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677a6dff-49e0-4a6e-b378-3dfdb2d5d6fa/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(TERM)