./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146364d3-9fa4-4e35-a181-38c50fa5196d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146364d3-9fa4-4e35-a181-38c50fa5196d/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146364d3-9fa4-4e35-a181-38c50fa5196d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146364d3-9fa4-4e35-a181-38c50fa5196d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146364d3-9fa4-4e35-a181-38c50fa5196d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146364d3-9fa4-4e35-a181-38c50fa5196d/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e76649cac6515f08270152166e80012375eb96b6ec0655501fc67165d9b0051 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:58:38,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:58:38,316 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146364d3-9fa4-4e35-a181-38c50fa5196d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 06:58:38,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:58:38,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:58:38,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:58:38,340 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:58:38,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:58:38,340 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:58:38,340 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:58:38,341 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:58:38,341 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:58:38,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:58:38,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:58:38,341 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:58:38,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:58:38,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:58:38,341 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:58:38,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:58:38,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:58:38,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:58:38,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:58:38,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:58:38,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:58:38,342 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:58:38,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:58:38,342 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:58:38,342 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:58:38,342 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:58:38,342 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:58:38,342 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:58:38,342 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:58:38,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:58:38,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:58:38,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:58:38,343 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:58:38,343 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:58:38,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:58:38,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:58:38,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:58:38,343 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:58:38,343 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:58:38,343 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:58:38,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:58:38,343 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:58:38,343 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:58:38,344 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:58:38,344 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:58:38,344 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_146364d3-9fa4-4e35-a181-38c50fa5196d/bin/uautomizer-verify-84ZbGMXZE1 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(G ! call(reach_error())) ) 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 -> 0e76649cac6515f08270152166e80012375eb96b6ec0655501fc67165d9b0051 [2024-12-02 06:58:38,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:58:38,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:58:38,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:58:38,575 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:58:38,576 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:58:38,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146364d3-9fa4-4e35-a181-38c50fa5196d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2024-12-02 06:58:41,248 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146364d3-9fa4-4e35-a181-38c50fa5196d/bin/uautomizer-verify-84ZbGMXZE1/data/c1c82b486/227e8f39d739430aba68480506ab2f0b/FLAGecdd4f1d5 [2024-12-02 06:58:41,441 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:58:41,441 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146364d3-9fa4-4e35-a181-38c50fa5196d/sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2024-12-02 06:58:41,450 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146364d3-9fa4-4e35-a181-38c50fa5196d/bin/uautomizer-verify-84ZbGMXZE1/data/c1c82b486/227e8f39d739430aba68480506ab2f0b/FLAGecdd4f1d5 [2024-12-02 06:58:41,793 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146364d3-9fa4-4e35-a181-38c50fa5196d/bin/uautomizer-verify-84ZbGMXZE1/data/c1c82b486/227e8f39d739430aba68480506ab2f0b [2024-12-02 06:58:41,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:58:41,796 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:58:41,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:58:41,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:58:41,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:58:41,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:58:41" (1/1) ... [2024-12-02 06:58:41,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3544fcc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:41, skipping insertion in model container [2024-12-02 06:58:41,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:58:41" (1/1) ... [2024-12-02 06:58:41,829 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:58:42,056 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146364d3-9fa4-4e35-a181-38c50fa5196d/sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c[17902,17915] [2024-12-02 06:58:42,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:58:42,067 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:58:42,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-12-02 06:58:42,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [415] [2024-12-02 06:58:42,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [444] [2024-12-02 06:58:42,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [548] [2024-12-02 06:58:42,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [641] [2024-12-02 06:58:42,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [676] [2024-12-02 06:58:42,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [741] [2024-12-02 06:58:42,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [921] [2024-12-02 06:58:42,118 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146364d3-9fa4-4e35-a181-38c50fa5196d/sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c[17902,17915] [2024-12-02 06:58:42,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:58:42,136 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:58:42,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:42 WrapperNode [2024-12-02 06:58:42,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:58:42,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:58:42,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:58:42,138 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:58:42,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:42" (1/1) ... [2024-12-02 06:58:42,154 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:42" (1/1) ... [2024-12-02 06:58:42,171 INFO L138 Inliner]: procedures = 53, calls = 97, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 177 [2024-12-02 06:58:42,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:58:42,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:58:42,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:58:42,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:58:42,181 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:42" (1/1) ... [2024-12-02 06:58:42,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:42" (1/1) ... [2024-12-02 06:58:42,183 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:42" (1/1) ... [2024-12-02 06:58:42,196 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]. [2024-12-02 06:58:42,196 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:42" (1/1) ... [2024-12-02 06:58:42,197 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:42" (1/1) ... [2024-12-02 06:58:42,201 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:42" (1/1) ... [2024-12-02 06:58:42,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:42" (1/1) ... [2024-12-02 06:58:42,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:42" (1/1) ... [2024-12-02 06:58:42,207 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:42" (1/1) ... [2024-12-02 06:58:42,208 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:42" (1/1) ... [2024-12-02 06:58:42,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:58:42,210 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:58:42,211 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:58:42,211 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:58:42,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:42" (1/1) ... [2024-12-02 06:58:42,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:58:42,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146364d3-9fa4-4e35-a181-38c50fa5196d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:58:42,240 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146364d3-9fa4-4e35-a181-38c50fa5196d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:58:42,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146364d3-9fa4-4e35-a181-38c50fa5196d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:58:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:58:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-12-02 06:58:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-12-02 06:58:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-12-02 06:58:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-12-02 06:58:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-12-02 06:58:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-12-02 06:58:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-12-02 06:58:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-12-02 06:58:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-12-02 06:58:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-12-02 06:58:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2024-12-02 06:58:42,267 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2024-12-02 06:58:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-12-02 06:58:42,267 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-12-02 06:58:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:58:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-12-02 06:58:42,267 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-12-02 06:58:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:58:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:58:42,334 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:58:42,336 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:58:42,558 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2024-12-02 06:58:42,558 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:58:42,570 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:58:42,571 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 06:58:42,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:58:42 BoogieIcfgContainer [2024-12-02 06:58:42,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:58:42,574 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:58:42,574 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:58:42,579 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:58:42,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:58:41" (1/3) ... [2024-12-02 06:58:42,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5543128e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:58:42, skipping insertion in model container [2024-12-02 06:58:42,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:58:42" (2/3) ... [2024-12-02 06:58:42,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5543128e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:58:42, skipping insertion in model container [2024-12-02 06:58:42,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:58:42" (3/3) ... [2024-12-02 06:58:42,582 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product21.cil.c [2024-12-02 06:58:42,599 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:58:42,601 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec1_product21.cil.c that has 9 procedures, 85 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-12-02 06:58:42,656 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:58:42,667 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7408e60f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:58:42,668 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:58:42,672 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 69 states have internal predecessors, (85), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 06:58:42,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-02 06:58:42,682 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:58:42,682 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:58:42,683 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:58:42,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:58:42,689 INFO L85 PathProgramCache]: Analyzing trace with hash 792730176, now seen corresponding path program 1 times [2024-12-02 06:58:42,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:58:42,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483431830] [2024-12-02 06:58:42,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:58:42,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:58:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:58:42,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:58:42,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:58:42,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483431830] [2024-12-02 06:58:42,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483431830] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:58:42,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:58:42,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:58:42,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447488272] [2024-12-02 06:58:42,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:58:42,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:58:42,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:58:42,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:58:42,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:58:42,996 INFO L87 Difference]: Start difference. First operand has 85 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 69 states have internal predecessors, (85), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 06:58:43,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:58:43,029 INFO L93 Difference]: Finished difference Result 150 states and 201 transitions. [2024-12-02 06:58:43,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:58:43,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-12-02 06:58:43,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:58:43,039 INFO L225 Difference]: With dead ends: 150 [2024-12-02 06:58:43,039 INFO L226 Difference]: Without dead ends: 68 [2024-12-02 06:58:43,043 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:58:43,045 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 12 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:58:43,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 165 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:58:43,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-12-02 06:58:43,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-12-02 06:58:43,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 56 states have internal predecessors, (65), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:58:43,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2024-12-02 06:58:43,082 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 87 transitions. Word has length 23 [2024-12-02 06:58:43,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:58:43,083 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 87 transitions. [2024-12-02 06:58:43,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 06:58:43,083 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2024-12-02 06:58:43,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-02 06:58:43,085 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:58:43,085 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:58:43,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 06:58:43,086 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:58:43,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:58:43,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1531919810, now seen corresponding path program 1 times [2024-12-02 06:58:43,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:58:43,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459287875] [2024-12-02 06:58:43,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:58:43,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:58:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:58:43,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:58:43,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:58:43,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459287875] [2024-12-02 06:58:43,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459287875] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:58:43,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:58:43,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:58:43,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310944706] [2024-12-02 06:58:43,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:58:43,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:58:43,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:58:43,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:58:43,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:58:43,269 INFO L87 Difference]: Start difference. First operand 68 states and 87 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 06:58:43,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:58:43,409 INFO L93 Difference]: Finished difference Result 129 states and 168 transitions. [2024-12-02 06:58:43,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:58:43,410 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2024-12-02 06:58:43,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:58:43,412 INFO L225 Difference]: With dead ends: 129 [2024-12-02 06:58:43,412 INFO L226 Difference]: Without dead ends: 68 [2024-12-02 06:58:43,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:58:43,413 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 83 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:58:43,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 201 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:58:43,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-12-02 06:58:43,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-12-02 06:58:43,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 56 states have internal predecessors, (64), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:58:43,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 86 transitions. [2024-12-02 06:58:43,426 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 86 transitions. Word has length 27 [2024-12-02 06:58:43,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:58:43,426 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 86 transitions. [2024-12-02 06:58:43,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 06:58:43,427 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2024-12-02 06:58:43,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-02 06:58:43,428 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:58:43,428 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:58:43,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:58:43,428 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:58:43,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:58:43,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1458108193, now seen corresponding path program 1 times [2024-12-02 06:58:43,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:58:43,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090753697] [2024-12-02 06:58:43,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:58:43,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:58:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:58:43,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:58:43,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:58:43,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090753697] [2024-12-02 06:58:43,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090753697] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:58:43,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:58:43,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:58:43,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130079853] [2024-12-02 06:58:43,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:58:43,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:58:43,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:58:43,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:58:43,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:58:43,579 INFO L87 Difference]: Start difference. First operand 68 states and 86 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-12-02 06:58:43,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:58:43,725 INFO L93 Difference]: Finished difference Result 109 states and 140 transitions. [2024-12-02 06:58:43,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:58:43,726 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 37 [2024-12-02 06:58:43,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:58:43,727 INFO L225 Difference]: With dead ends: 109 [2024-12-02 06:58:43,727 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 06:58:43,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:58:43,728 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 46 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:58:43,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 118 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:58:43,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 06:58:43,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 06:58:43,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-12-02 06:58:43,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 06:58:43,730 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2024-12-02 06:58:43,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:58:43,730 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 06:58:43,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-12-02 06:58:43,730 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 06:58:43,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 06:58:43,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 06:58:43,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:58:43,736 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 06:58:43,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 06:58:44,028 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 06:58:44,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:58:44 BoogieIcfgContainer [2024-12-02 06:58:44,041 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:58:44,041 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:58:44,041 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:58:44,042 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:58:44,042 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:58:42" (3/4) ... [2024-12-02 06:58:44,044 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 06:58:44,049 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-12-02 06:58:44,049 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-12-02 06:58:44,049 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-12-02 06:58:44,049 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-12-02 06:58:44,049 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-12-02 06:58:44,049 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-12-02 06:58:44,049 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-12-02 06:58:44,049 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2024-12-02 06:58:44,054 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-12-02 06:58:44,054 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-02 06:58:44,055 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 06:58:44,055 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 06:58:44,055 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 06:58:44,134 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146364d3-9fa4-4e35-a181-38c50fa5196d/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 06:58:44,135 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146364d3-9fa4-4e35-a181-38c50fa5196d/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 06:58:44,135 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:58:44,136 INFO L158 Benchmark]: Toolchain (without parser) took 2339.51ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 77.5MB in the end (delta: 14.2MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-12-02 06:58:44,136 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:58:44,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.55ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 73.3MB in the end (delta: 18.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:58:44,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.64ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 71.4MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:58:44,137 INFO L158 Benchmark]: Boogie Preprocessor took 38.21ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 69.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:58:44,137 INFO L158 Benchmark]: RCFGBuilder took 360.72ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 53.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 06:58:44,137 INFO L158 Benchmark]: TraceAbstraction took 1467.27ms. Allocated memory is still 117.4MB. Free memory was 53.3MB in the beginning and 84.1MB in the end (delta: -30.8MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2024-12-02 06:58:44,137 INFO L158 Benchmark]: Witness Printer took 93.50ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 77.5MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:58:44,139 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.55ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 73.3MB in the end (delta: 18.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.64ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 71.4MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.21ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 69.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 360.72ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 53.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1467.27ms. Allocated memory is still 117.4MB. Free memory was 53.3MB in the beginning and 84.1MB in the end (delta: -30.8MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * Witness Printer took 93.50ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 77.5MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. 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,"Specification1_spec.i","") [415] - GenericResultAtLocation [Line: 444]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [444] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [548] - GenericResultAtLocation [Line: 641]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [641] - GenericResultAtLocation [Line: 676]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [676] - GenericResultAtLocation [Line: 741]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [741] - GenericResultAtLocation [Line: 921]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [921] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 926]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 141 mSDsluCounter, 484 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 277 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 123 IncrementalHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 207 mSDtfsCounter, 123 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) - InvariantResult [Line: 686]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-12-02 06:58:44,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146364d3-9fa4-4e35-a181-38c50fa5196d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE