./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b29f73d-61c7-4db7-a165-bc8f4294ca60/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b29f73d-61c7-4db7-a165-bc8f4294ca60/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b29f73d-61c7-4db7-a165-bc8f4294ca60/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b29f73d-61c7-4db7-a165-bc8f4294ca60/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b29f73d-61c7-4db7-a165-bc8f4294ca60/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b29f73d-61c7-4db7-a165-bc8f4294ca60/bin/uautomizer-verify-qhAvR1uOyd --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 dd52ee49877a3a0d48a9689aeac254899fd95defe3d0906597581ea0d45f066f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:45:49,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:45:49,521 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b29f73d-61c7-4db7-a165-bc8f4294ca60/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 12:45:49,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:45:49,528 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:45:49,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:45:49,561 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:45:49,561 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:45:49,563 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:45:49,563 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:45:49,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:45:49,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:45:49,565 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:45:49,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:45:49,566 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:45:49,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:45:49,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:45:49,566 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:45:49,566 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:45:49,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:45:49,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:45:49,567 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:45:49,567 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:45:49,567 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:45:49,567 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:45:49,567 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:45:49,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:45:49,568 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:45:49,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:45:49,569 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:45:49,569 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:45:49,569 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:45:49,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:45:49,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:45:49,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:45:49,570 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:45:49,571 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:45:49,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:45:49,571 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:45:49,571 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:45:49,571 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:45:49,571 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:45:49,571 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_4b29f73d-61c7-4db7-a165-bc8f4294ca60/bin/uautomizer-verify-qhAvR1uOyd 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 -> dd52ee49877a3a0d48a9689aeac254899fd95defe3d0906597581ea0d45f066f [2024-11-13 12:45:49,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:45:49,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:45:49,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:45:49,934 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:45:49,934 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:45:49,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b29f73d-61c7-4db7-a165-bc8f4294ca60/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c Unable to find full path for "g++" [2024-11-13 12:45:52,369 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:45:52,741 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:45:52,742 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b29f73d-61c7-4db7-a165-bc8f4294ca60/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2024-11-13 12:45:52,758 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b29f73d-61c7-4db7-a165-bc8f4294ca60/bin/uautomizer-verify-qhAvR1uOyd/data/b7f0426f5/920d647b31dd47218d7fdeebec08e1e2/FLAG7e7a76102 [2024-11-13 12:45:52,967 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b29f73d-61c7-4db7-a165-bc8f4294ca60/bin/uautomizer-verify-qhAvR1uOyd/data/b7f0426f5/920d647b31dd47218d7fdeebec08e1e2 [2024-11-13 12:45:52,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:45:52,970 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:45:52,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:45:52,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:45:52,976 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:45:52,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:45:52" (1/1) ... [2024-11-13 12:45:52,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@380b6b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:52, skipping insertion in model container [2024-11-13 12:45:52,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:45:52" (1/1) ... [2024-11-13 12:45:53,010 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:45:53,262 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_4b29f73d-61c7-4db7-a165-bc8f4294ca60/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c[16321,16334] [2024-11-13 12:45:53,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:45:53,287 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:45:53,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-13 12:45:53,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2024-11-13 12:45:53,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [173] [2024-11-13 12:45:53,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [224] [2024-11-13 12:45:53,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [590] [2024-11-13 12:45:53,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [660] [2024-11-13 12:45:53,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [799] [2024-11-13 12:45:53,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [808] [2024-11-13 12:45:53,406 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_4b29f73d-61c7-4db7-a165-bc8f4294ca60/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c[16321,16334] [2024-11-13 12:45:53,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:45:53,440 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:45:53,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:53 WrapperNode [2024-11-13 12:45:53,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:45:53,441 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:45:53,441 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:45:53,442 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:45:53,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:53" (1/1) ... [2024-11-13 12:45:53,460 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:53" (1/1) ... [2024-11-13 12:45:53,486 INFO L138 Inliner]: procedures = 53, calls = 94, calls flagged for inlining = 22, calls inlined = 16, statements flattened = 140 [2024-11-13 12:45:53,486 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:45:53,487 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:45:53,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:45:53,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:45:53,498 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:53" (1/1) ... [2024-11-13 12:45:53,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:53" (1/1) ... [2024-11-13 12:45:53,505 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:53" (1/1) ... [2024-11-13 12:45:53,528 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]. [2024-11-13 12:45:53,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:53" (1/1) ... [2024-11-13 12:45:53,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:53" (1/1) ... [2024-11-13 12:45:53,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:53" (1/1) ... [2024-11-13 12:45:53,537 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:53" (1/1) ... [2024-11-13 12:45:53,542 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:53" (1/1) ... [2024-11-13 12:45:53,543 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:53" (1/1) ... [2024-11-13 12:45:53,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:45:53,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:45:53,550 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:45:53,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:45:53,551 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:53" (1/1) ... [2024-11-13 12:45:53,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:45:53,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b29f73d-61c7-4db7-a165-bc8f4294ca60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:53,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b29f73d-61c7-4db7-a165-bc8f4294ca60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:45:53,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b29f73d-61c7-4db7-a165-bc8f4294ca60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:45:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:45:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-13 12:45:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-13 12:45:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-13 12:45:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-13 12:45:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-13 12:45:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-13 12:45:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-11-13 12:45:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-11-13 12:45:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 12:45:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-13 12:45:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-13 12:45:53,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:45:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:45:53,744 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:45:53,746 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:45:54,044 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 12:45:54,044 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:45:54,064 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:45:54,064 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 12:45:54,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:45:54 BoogieIcfgContainer [2024-11-13 12:45:54,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:45:54,070 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:45:54,070 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:45:54,076 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:45:54,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:45:52" (1/3) ... [2024-11-13 12:45:54,077 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6668f0ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:45:54, skipping insertion in model container [2024-11-13 12:45:54,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:53" (2/3) ... [2024-11-13 12:45:54,078 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6668f0ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:45:54, skipping insertion in model container [2024-11-13 12:45:54,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:45:54" (3/3) ... [2024-11-13 12:45:54,080 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product10.cil.c [2024-11-13 12:45:54,098 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:45:54,100 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec5_product10.cil.c that has 6 procedures, 69 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-13 12:45:54,189 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:45:54,207 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;@5f14080c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:45:54,207 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 12:45:54,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 58 states have internal predecessors, (74), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 12:45:54,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 12:45:54,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:54,224 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] [2024-11-13 12:45:54,224 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:45:54,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:54,231 INFO L85 PathProgramCache]: Analyzing trace with hash -574768495, now seen corresponding path program 1 times [2024-11-13 12:45:54,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:54,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182973450] [2024-11-13 12:45:54,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:54,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:54,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 12:45:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:54,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 12:45:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:54,529 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 12:45:54,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:54,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182973450] [2024-11-13 12:45:54,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182973450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:54,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:54,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:45:54,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002393976] [2024-11-13 12:45:54,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:54,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 12:45:54,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:54,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 12:45:54,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 12:45:54,575 INFO L87 Difference]: Start difference. First operand has 69 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 58 states have internal predecessors, (74), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) 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) [2024-11-13 12:45:54,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:54,600 INFO L93 Difference]: Finished difference Result 129 states and 174 transitions. [2024-11-13 12:45:54,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:45:54,602 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 [2024-11-13 12:45:54,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:54,609 INFO L225 Difference]: With dead ends: 129 [2024-11-13 12:45:54,609 INFO L226 Difference]: Without dead ends: 60 [2024-11-13 12:45:54,613 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 [2024-11-13 12:45:54,616 INFO L432 NwaCegarLoop]: 84 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, 84 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 [2024-11-13 12:45:54,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:45:54,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-13 12:45:54,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-13 12:45:54,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 50 states have internal predecessors, (60), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 12:45:54,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2024-11-13 12:45:54,673 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 32 [2024-11-13 12:45:54,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:54,674 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions. [2024-11-13 12:45:54,674 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) [2024-11-13 12:45:54,674 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2024-11-13 12:45:54,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 12:45:54,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:54,678 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] [2024-11-13 12:45:54,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:45:54,678 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:45:54,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:54,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1528715216, now seen corresponding path program 1 times [2024-11-13 12:45:54,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:54,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305956261] [2024-11-13 12:45:54,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:54,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:54,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 12:45:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:54,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 12:45:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:54,864 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 12:45:54,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:54,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305956261] [2024-11-13 12:45:54,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305956261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:54,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:54,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:45:54,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416733362] [2024-11-13 12:45:54,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:54,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:54,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:54,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:54,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:54,870 INFO L87 Difference]: Start difference. First operand 60 states and 75 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) [2024-11-13 12:45:54,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:54,892 INFO L93 Difference]: Finished difference Result 84 states and 104 transitions. [2024-11-13 12:45:54,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:54,893 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 [2024-11-13 12:45:54,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:54,896 INFO L225 Difference]: With dead ends: 84 [2024-11-13 12:45:54,896 INFO L226 Difference]: Without dead ends: 51 [2024-11-13 12:45:54,896 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 [2024-11-13 12:45:54,897 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 13 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 107 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 [2024-11-13 12:45:54,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:45:54,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-13 12:45:54,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-13 12:45:54,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 44 states have internal predecessors, (53), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 12:45:54,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2024-11-13 12:45:54,909 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 33 [2024-11-13 12:45:54,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:54,909 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2024-11-13 12:45:54,909 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) [2024-11-13 12:45:54,910 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2024-11-13 12:45:54,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 12:45:54,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:54,911 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] [2024-11-13 12:45:54,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 12:45:54,911 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:45:54,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:54,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1572124259, now seen corresponding path program 1 times [2024-11-13 12:45:54,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:54,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875541741] [2024-11-13 12:45:54,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:54,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:55,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 12:45:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:55,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 12:45:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:55,088 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 12:45:55,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:55,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875541741] [2024-11-13 12:45:55,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875541741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:55,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:55,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:45:55,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234934941] [2024-11-13 12:45:55,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:55,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:55,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:55,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:55,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:55,091 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-13 12:45:55,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:55,123 INFO L93 Difference]: Finished difference Result 94 states and 119 transitions. [2024-11-13 12:45:55,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:55,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 38 [2024-11-13 12:45:55,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:55,125 INFO L225 Difference]: With dead ends: 94 [2024-11-13 12:45:55,125 INFO L226 Difference]: Without dead ends: 51 [2024-11-13 12:45:55,126 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 [2024-11-13 12:45:55,127 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 38 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:55,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 61 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:45:55,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-13 12:45:55,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-13 12:45:55,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 44 states have internal predecessors, (52), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 12:45:55,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 62 transitions. [2024-11-13 12:45:55,138 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 62 transitions. Word has length 38 [2024-11-13 12:45:55,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:55,139 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 62 transitions. [2024-11-13 12:45:55,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-13 12:45:55,140 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2024-11-13 12:45:55,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 12:45:55,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:55,141 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] [2024-11-13 12:45:55,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 12:45:55,141 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:45:55,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:55,142 INFO L85 PathProgramCache]: Analyzing trace with hash 617234312, now seen corresponding path program 1 times [2024-11-13 12:45:55,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:55,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763512522] [2024-11-13 12:45:55,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:55,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:55,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 12:45:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:55,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 12:45:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:55,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:45:55,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:55,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763512522] [2024-11-13 12:45:55,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763512522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:55,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:55,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 12:45:55,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633262262] [2024-11-13 12:45:55,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:55,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:45:55,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:55,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:45:55,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:45:55,372 INFO L87 Difference]: Start difference. First operand 51 states and 62 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 12:45:55,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:55,539 INFO L93 Difference]: Finished difference Result 89 states and 111 transitions. [2024-11-13 12:45:55,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:45:55,540 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2024-11-13 12:45:55,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:55,541 INFO L225 Difference]: With dead ends: 89 [2024-11-13 12:45:55,541 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 12:45:55,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-13 12:45:55,544 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 25 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:55,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 183 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:45:55,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 12:45:55,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 12:45:55,549 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) [2024-11-13 12:45:55,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 12:45:55,549 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2024-11-13 12:45:55,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:55,549 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 12:45:55,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 12:45:55,549 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 12:45:55,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 12:45:55,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 12:45:55,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 12:45:55,559 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-13 12:45:55,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 12:45:55,901 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 12:45:55,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 12:45:55 BoogieIcfgContainer [2024-11-13 12:45:55,955 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 12:45:55,956 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 12:45:55,957 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 12:45:55,957 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 12:45:55,961 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:45:54" (3/4) ... [2024-11-13 12:45:55,964 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 12:45:55,971 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-13 12:45:55,972 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-13 12:45:55,972 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-13 12:45:55,972 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-13 12:45:55,972 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-11-13 12:45:55,978 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-13 12:45:55,978 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 12:45:55,978 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 12:45:55,978 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 12:45:55,979 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 12:45:56,078 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b29f73d-61c7-4db7-a165-bc8f4294ca60/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 12:45:56,079 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b29f73d-61c7-4db7-a165-bc8f4294ca60/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 12:45:56,079 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 12:45:56,080 INFO L158 Benchmark]: Toolchain (without parser) took 3109.92ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 71.3MB in the end (delta: 44.9MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-11-13 12:45:56,080 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:45:56,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.69ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 97.9MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 12:45:56,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.83ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 96.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:45:56,082 INFO L158 Benchmark]: Boogie Preprocessor took 58.28ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 94.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:45:56,083 INFO L158 Benchmark]: RCFGBuilder took 521.69ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 80.6MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:45:56,083 INFO L158 Benchmark]: TraceAbstraction took 1885.09ms. Allocated memory is still 142.6MB. Free memory was 79.9MB in the beginning and 77.3MB in the end (delta: 2.6MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-13 12:45:56,084 INFO L158 Benchmark]: Witness Printer took 122.48ms. Allocated memory is still 142.6MB. Free memory was 77.3MB in the beginning and 71.3MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:45:56,087 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.69ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 97.9MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.83ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 96.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.28ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 94.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 521.69ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 80.6MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1885.09ms. Allocated memory is still 142.6MB. Free memory was 79.9MB in the beginning and 77.3MB in the end (delta: 2.6MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Witness Printer took 122.48ms. Allocated memory is still 142.6MB. Free memory was 77.3MB in the beginning and 71.3MB in the end (delta: 6.0MB). 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 173]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [173] - GenericResultAtLocation [Line: 224]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [224] - GenericResultAtLocation [Line: 590]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [590] - GenericResultAtLocation [Line: 660]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [660] - GenericResultAtLocation [Line: 799]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [799] - GenericResultAtLocation [Line: 808]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [808] * 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: 804]: 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 6 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 435 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 178 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 257 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred 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, 0.6s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 252 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: 820]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) - InvariantResult [Line: 603]: Location Invariant Derived location invariant: 0 - ProcedureContractResult [Line: 120]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && ((((((waterLevel == \old(waterLevel)) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 810]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && (((((methaneLevelCritical == \old(methaneLevelCritical)) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 667]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && (((((methaneLevelCritical == \old(methaneLevelCritical)) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 108]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && ((((((methaneLevelCritical == \old(methaneLevelCritical)) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 746]: Procedure Contract for isPumpRunning Derived contract for procedure isPumpRunning. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: ((((pumpRunning == 0) && (\result == 0)) && (1 == systemActive)) && (((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) RESULT: Ultimate proved your program to be correct! [2024-11-13 12:45:56,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b29f73d-61c7-4db7-a165-bc8f4294ca60/bin/uautomizer-verify-qhAvR1uOyd/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