./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad2db4-31d9-42ee-b8c9-dc65cdf3aa86/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad2db4-31d9-42ee-b8c9-dc65cdf3aa86/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad2db4-31d9-42ee-b8c9-dc65cdf3aa86/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad2db4-31d9-42ee-b8c9-dc65cdf3aa86/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad2db4-31d9-42ee-b8c9-dc65cdf3aa86/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad2db4-31d9-42ee-b8c9-dc65cdf3aa86/bin/uautomizer-verify-jihMAELWvX --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 6141c3324b7a590b618db452d411a7ee802143790c8a6f6c8440be9321f9a2e7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:56:02,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:56:03,027 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad2db4-31d9-42ee-b8c9-dc65cdf3aa86/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 18:56:03,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:56:03,034 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:56:03,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:56:03,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:56:03,075 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:56:03,076 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:56:03,077 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:56:03,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:56:03,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:56:03,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:56:03,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:56:03,082 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:56:03,083 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:56:03,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:56:03,084 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:56:03,084 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:56:03,084 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:56:03,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:56:03,091 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:56:03,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:56:03,092 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:56:03,092 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:56:03,092 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:56:03,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:56:03,093 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:56:03,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:56:03,094 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:56:03,094 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:56:03,095 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:56:03,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:56:03,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:56:03,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:56:03,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:56:03,100 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:56:03,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:56:03,101 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:56:03,101 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:56:03,101 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:56:03,102 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:56:03,102 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_80ad2db4-31d9-42ee-b8c9-dc65cdf3aa86/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad2db4-31d9-42ee-b8c9-dc65cdf3aa86/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6141c3324b7a590b618db452d411a7ee802143790c8a6f6c8440be9321f9a2e7 [2024-11-08 18:56:03,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:56:03,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:56:03,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:56:03,521 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:56:03,522 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:56:03,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad2db4-31d9-42ee-b8c9-dc65cdf3aa86/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec5_product17.cil.c Unable to find full path for "g++" [2024-11-08 18:56:05,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:56:06,046 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:56:06,047 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad2db4-31d9-42ee-b8c9-dc65cdf3aa86/sv-benchmarks/c/product-lines/minepump_spec5_product17.cil.c [2024-11-08 18:56:06,073 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad2db4-31d9-42ee-b8c9-dc65cdf3aa86/bin/uautomizer-verify-jihMAELWvX/data/292d825fb/8083b07377f8490cb2cdde28d5702152/FLAG7e1483da4 [2024-11-08 18:56:06,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad2db4-31d9-42ee-b8c9-dc65cdf3aa86/bin/uautomizer-verify-jihMAELWvX/data/292d825fb/8083b07377f8490cb2cdde28d5702152 [2024-11-08 18:56:06,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:56:06,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:56:06,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:56:06,370 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:56:06,379 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:56:06,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:56:06" (1/1) ... [2024-11-08 18:56:06,382 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b5b3f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:56:06, skipping insertion in model container [2024-11-08 18:56:06,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:56:06" (1/1) ... [2024-11-08 18:56:06,463 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:56:06,835 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_80ad2db4-31d9-42ee-b8c9-dc65cdf3aa86/sv-benchmarks/c/product-lines/minepump_spec5_product17.cil.c[12672,12685] [2024-11-08 18:56:06,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:56:06,906 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:56:06,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-08 18:56:06,922 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [155] [2024-11-08 18:56:06,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [521] [2024-11-08 18:56:06,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [530] [2024-11-08 18:56:06,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [565] [2024-11-08 18:56:06,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [616] [2024-11-08 18:56:06,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [709] [2024-11-08 18:56:06,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [866] [2024-11-08 18:56:07,019 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_80ad2db4-31d9-42ee-b8c9-dc65cdf3aa86/sv-benchmarks/c/product-lines/minepump_spec5_product17.cil.c[12672,12685] [2024-11-08 18:56:07,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:56:07,074 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:56:07,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:56:07 WrapperNode [2024-11-08 18:56:07,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:56:07,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:56:07,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:56:07,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:56:07,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:56:07" (1/1) ... [2024-11-08 18:56:07,111 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:56:07" (1/1) ... [2024-11-08 18:56:07,142 INFO L138 Inliner]: procedures = 54, calls = 96, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 170 [2024-11-08 18:56:07,143 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:56:07,144 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:56:07,144 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:56:07,144 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:56:07,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:56:07" (1/1) ... [2024-11-08 18:56:07,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:56:07" (1/1) ... [2024-11-08 18:56:07,166 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:56:07" (1/1) ... [2024-11-08 18:56:07,195 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 18:56:07,195 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:56:07" (1/1) ... [2024-11-08 18:56:07,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:56:07" (1/1) ... [2024-11-08 18:56:07,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:56:07" (1/1) ... [2024-11-08 18:56:07,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:56:07" (1/1) ... [2024-11-08 18:56:07,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:56:07" (1/1) ... [2024-11-08 18:56:07,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:56:07" (1/1) ... [2024-11-08 18:56:07,226 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:56:07,228 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:56:07,228 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:56:07,228 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:56:07,229 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:56:07" (1/1) ... [2024-11-08 18:56:07,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:56:07,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad2db4-31d9-42ee-b8c9-dc65cdf3aa86/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:56:07,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad2db4-31d9-42ee-b8c9-dc65cdf3aa86/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:56:07,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad2db4-31d9-42ee-b8c9-dc65cdf3aa86/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:56:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:56:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-08 18:56:07,327 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-08 18:56:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-08 18:56:07,328 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-08 18:56:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-08 18:56:07,328 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-08 18:56:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-08 18:56:07,328 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-08 18:56:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-11-08 18:56:07,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-11-08 18:56:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:56:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-08 18:56:07,329 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-08 18:56:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:56:07,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:56:07,465 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:56:07,468 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:56:07,915 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-08 18:56:07,916 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:56:07,933 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:56:07,933 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 18:56:07,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:56:07 BoogieIcfgContainer [2024-11-08 18:56:07,934 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:56:07,937 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:56:07,937 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:56:07,942 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:56:07,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:56:06" (1/3) ... [2024-11-08 18:56:07,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b6e066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:56:07, skipping insertion in model container [2024-11-08 18:56:07,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:56:07" (2/3) ... [2024-11-08 18:56:07,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b6e066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:56:07, skipping insertion in model container [2024-11-08 18:56:07,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:56:07" (3/3) ... [2024-11-08 18:56:07,947 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product17.cil.c [2024-11-08 18:56:07,973 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:56:07,974 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:56:08,054 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:56:08,064 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;@3cd54020, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:56:08,068 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:56:08,075 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 67 states have internal predecessors, (84), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 18:56:08,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 18:56:08,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:56:08,094 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 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] [2024-11-08 18:56:08,095 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:56:08,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:56:08,104 INFO L85 PathProgramCache]: Analyzing trace with hash 604028513, now seen corresponding path program 1 times [2024-11-08 18:56:08,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:56:08,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183840679] [2024-11-08 18:56:08,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:56:08,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:56:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:56:08,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 18:56:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:56:08,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 18:56:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:56:08,463 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 18:56:08,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:56:08,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183840679] [2024-11-08 18:56:08,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183840679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:56:08,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:56:08,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:56:08,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249249470] [2024-11-08 18:56:08,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:56:08,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:56:08,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:56:08,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:56:08,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:56:08,512 INFO L87 Difference]: Start difference. First operand has 79 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 67 states have internal predecessors, (84), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 18:56:08,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:56:08,548 INFO L93 Difference]: Finished difference Result 149 states and 202 transitions. [2024-11-08 18:56:08,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:56:08,551 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-08 18:56:08,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:56:08,562 INFO L225 Difference]: With dead ends: 149 [2024-11-08 18:56:08,562 INFO L226 Difference]: Without dead ends: 70 [2024-11-08 18:56:08,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:56:08,572 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:56:08,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:56:08,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-08 18:56:08,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-11-08 18:56:08,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 59 states have internal predecessors, (70), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 18:56:08,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2024-11-08 18:56:08,641 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 32 [2024-11-08 18:56:08,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:56:08,643 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2024-11-08 18:56:08,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 18:56:08,644 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2024-11-08 18:56:08,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 18:56:08,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:56:08,650 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 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] [2024-11-08 18:56:08,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:56:08,651 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:56:08,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:56:08,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1560086906, now seen corresponding path program 1 times [2024-11-08 18:56:08,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:56:08,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954633545] [2024-11-08 18:56:08,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:56:08,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:56:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:56:08,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-08 18:56:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:56:08,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 18:56:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:56:08,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 18:56:08,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:56:08,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954633545] [2024-11-08 18:56:08,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954633545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:56:08,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:56:08,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:56:08,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297877398] [2024-11-08 18:56:08,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:56:08,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:56:08,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:56:08,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:56:08,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:56:08,844 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 18:56:08,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:56:08,865 INFO L93 Difference]: Finished difference Result 105 states and 133 transitions. [2024-11-08 18:56:08,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:56:08,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-08 18:56:08,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:56:08,868 INFO L225 Difference]: With dead ends: 105 [2024-11-08 18:56:08,868 INFO L226 Difference]: Without dead ends: 61 [2024-11-08 18:56:08,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:56:08,872 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 12 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 136 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 [2024-11-08 18:56:08,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 136 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:56:08,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-08 18:56:08,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-08 18:56:08,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 48 states have (on average 1.3125) internal successors, (63), 53 states have internal predecessors, (63), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-08 18:56:08,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 77 transitions. [2024-11-08 18:56:08,894 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 77 transitions. Word has length 33 [2024-11-08 18:56:08,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:56:08,894 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 77 transitions. [2024-11-08 18:56:08,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 18:56:08,895 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2024-11-08 18:56:08,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 18:56:08,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:56:08,896 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 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] [2024-11-08 18:56:08,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:56:08,899 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:56:08,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:56:08,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1323846634, now seen corresponding path program 1 times [2024-11-08 18:56:08,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:56:08,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224836843] [2024-11-08 18:56:08,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:56:08,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:56:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:56:09,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:56:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:56:09,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:56:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:56:09,097 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 18:56:09,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:56:09,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224836843] [2024-11-08 18:56:09,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224836843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:56:09,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:56:09,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:56:09,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706370045] [2024-11-08 18:56:09,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:56:09,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:56:09,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:56:09,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:56:09,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:56:09,107 INFO L87 Difference]: Start difference. First operand 61 states and 77 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 18:56:09,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:56:09,139 INFO L93 Difference]: Finished difference Result 114 states and 147 transitions. [2024-11-08 18:56:09,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:56:09,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2024-11-08 18:56:09,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:56:09,142 INFO L225 Difference]: With dead ends: 114 [2024-11-08 18:56:09,144 INFO L226 Difference]: Without dead ends: 61 [2024-11-08 18:56:09,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:56:09,146 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 54 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 75 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 [2024-11-08 18:56:09,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 75 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:56:09,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-08 18:56:09,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-08 18:56:09,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 53 states have internal predecessors, (62), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-08 18:56:09,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 76 transitions. [2024-11-08 18:56:09,170 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 76 transitions. Word has length 37 [2024-11-08 18:56:09,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:56:09,172 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 76 transitions. [2024-11-08 18:56:09,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 18:56:09,175 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 76 transitions. [2024-11-08 18:56:09,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 18:56:09,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:56:09,177 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 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, 1] [2024-11-08 18:56:09,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:56:09,177 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:56:09,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:56:09,180 INFO L85 PathProgramCache]: Analyzing trace with hash -292201660, now seen corresponding path program 1 times [2024-11-08 18:56:09,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:56:09,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031136667] [2024-11-08 18:56:09,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:56:09,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:56:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:56:09,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:56:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:56:09,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:56:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:56:09,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 18:56:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:56:09,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 18:56:09,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:56:09,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031136667] [2024-11-08 18:56:09,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031136667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:56:09,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:56:09,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:56:09,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569106139] [2024-11-08 18:56:09,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:56:09,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:56:09,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:56:09,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:56:09,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:56:09,505 INFO L87 Difference]: Start difference. First operand 61 states and 76 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 18:56:09,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:56:09,624 INFO L93 Difference]: Finished difference Result 102 states and 129 transitions. [2024-11-08 18:56:09,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:56:09,625 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2024-11-08 18:56:09,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:56:09,626 INFO L225 Difference]: With dead ends: 102 [2024-11-08 18:56:09,626 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 18:56:09,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:56:09,628 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 27 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:56:09,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 189 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:56:09,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 18:56:09,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 18:56:09,630 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) [2024-11-08 18:56:09,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 18:56:09,630 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2024-11-08 18:56:09,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:56:09,630 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 18:56:09,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 18:56:09,631 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 18:56:09,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 18:56:09,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 18:56:09,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 18:56:09,637 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-08 18:56:09,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 18:56:09,956 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:56:10,022 WARN L162 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2024-11-08 18:56:10,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:56:10 BoogieIcfgContainer [2024-11-08 18:56:10,039 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:56:10,039 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:56:10,040 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:56:10,040 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:56:10,040 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:56:07" (3/4) ... [2024-11-08 18:56:10,043 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 18:56:10,050 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-08 18:56:10,051 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-08 18:56:10,051 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-08 18:56:10,051 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-08 18:56:10,052 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-08 18:56:10,052 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-11-08 18:56:10,062 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-08 18:56:10,062 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-08 18:56:10,063 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 18:56:10,064 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 18:56:10,064 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 18:56:10,198 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad2db4-31d9-42ee-b8c9-dc65cdf3aa86/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 18:56:10,199 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad2db4-31d9-42ee-b8c9-dc65cdf3aa86/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 18:56:10,199 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:56:10,200 INFO L158 Benchmark]: Toolchain (without parser) took 3832.86ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 96.4MB in the beginning and 78.0MB in the end (delta: 18.4MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2024-11-08 18:56:10,200 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 100.7MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:56:10,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 710.34ms. Allocated memory is still 134.2MB. Free memory was 96.4MB in the beginning and 74.7MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 18:56:10,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.66ms. Allocated memory is still 134.2MB. Free memory was 74.7MB in the beginning and 72.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:56:10,201 INFO L158 Benchmark]: Boogie Preprocessor took 82.97ms. Allocated memory is still 134.2MB. Free memory was 72.6MB in the beginning and 70.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:56:10,202 INFO L158 Benchmark]: RCFGBuilder took 706.94ms. Allocated memory is still 134.2MB. Free memory was 70.5MB in the beginning and 102.4MB in the end (delta: -31.9MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-11-08 18:56:10,202 INFO L158 Benchmark]: TraceAbstraction took 2101.94ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 101.8MB in the beginning and 85.3MB in the end (delta: 16.4MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2024-11-08 18:56:10,203 INFO L158 Benchmark]: Witness Printer took 160.09ms. Allocated memory is still 161.5MB. Free memory was 85.3MB in the beginning and 78.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 18:56:10,208 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 100.7MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 710.34ms. Allocated memory is still 134.2MB. Free memory was 96.4MB in the beginning and 74.7MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.66ms. Allocated memory is still 134.2MB. Free memory was 74.7MB in the beginning and 72.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.97ms. Allocated memory is still 134.2MB. Free memory was 72.6MB in the beginning and 70.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 706.94ms. Allocated memory is still 134.2MB. Free memory was 70.5MB in the beginning and 102.4MB in the end (delta: -31.9MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2101.94ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 101.8MB in the beginning and 85.3MB in the end (delta: 16.4MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * Witness Printer took 160.09ms. Allocated memory is still 161.5MB. Free memory was 85.3MB in the beginning and 78.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. 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,"Test.i","") [49] - GenericResultAtLocation [Line: 155]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [155] - GenericResultAtLocation [Line: 521]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [521] - GenericResultAtLocation [Line: 530]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [530] - GenericResultAtLocation [Line: 565]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [565] - GenericResultAtLocation [Line: 616]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [616] - GenericResultAtLocation [Line: 709]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [709] - GenericResultAtLocation [Line: 866]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [866] * 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: 526]: 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 7 procedures, 79 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 97 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 93 mSDsluCounter, 498 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 197 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 301 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 876]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 742]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && (((((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 647]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && ((((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (waterLevel == \old(waterLevel))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 715]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: ((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && ((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 52]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 635]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && ((((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 802]: Procedure Contract for isPumpRunning Derived contract for procedure isPumpRunning. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: ((((pumpRunning == 0) && (\result == 0)) && (1 == systemActive)) && (((((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) RESULT: Ultimate proved your program to be correct! [2024-11-08 18:56:10,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ad2db4-31d9-42ee-b8c9-dc65cdf3aa86/bin/uautomizer-verify-jihMAELWvX/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