./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 57a688f8a9792d29adbf3f8f01563f73a4548e3755afcb9efbc0eedec2ffc9fc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 23:15:11,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 23:15:11,817 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 23:15:11,825 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 23:15:11,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 23:15:11,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 23:15:11,857 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 23:15:11,857 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 23:15:11,858 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 23:15:11,858 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 23:15:11,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 23:15:11,859 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 23:15:11,859 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 23:15:11,860 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 23:15:11,860 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 23:15:11,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 23:15:11,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 23:15:11,861 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 23:15:11,862 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 23:15:11,862 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 23:15:11,862 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 23:15:11,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 23:15:11,863 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 23:15:11,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 23:15:11,864 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 23:15:11,864 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 23:15:11,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 23:15:11,865 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 23:15:11,865 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 23:15:11,865 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 23:15:11,866 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 23:15:11,866 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 23:15:11,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:15:11,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 23:15:11,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 23:15:11,867 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 23:15:11,868 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 23:15:11,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 23:15:11,868 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 23:15:11,869 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 23:15:11,869 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 23:15:11,869 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 23:15:11,870 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57a688f8a9792d29adbf3f8f01563f73a4548e3755afcb9efbc0eedec2ffc9fc [2024-11-09 23:15:12,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 23:15:12,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 23:15:12,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 23:15:12,174 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 23:15:12,174 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 23:15:12,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2024-11-09 23:15:13,603 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 23:15:13,835 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 23:15:13,836 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2024-11-09 23:15:13,848 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db85453a5/582e7707bcf0456c9d783f0e9d6c1bcc/FLAGdba366e58 [2024-11-09 23:15:13,859 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db85453a5/582e7707bcf0456c9d783f0e9d6c1bcc [2024-11-09 23:15:13,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 23:15:13,863 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 23:15:13,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 23:15:13,864 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 23:15:13,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 23:15:13,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:15:13" (1/1) ... [2024-11-09 23:15:13,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fbda86b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:13, skipping insertion in model container [2024-11-09 23:15:13,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:15:13" (1/1) ... [2024-11-09 23:15:13,912 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 23:15:14,122 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c[2141,2154] [2024-11-09 23:15:14,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:15:14,313 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 23:15:14,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-09 23:15:14,323 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2024-11-09 23:15:14,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [96] [2024-11-09 23:15:14,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [192] [2024-11-09 23:15:14,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [219] [2024-11-09 23:15:14,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [318] [2024-11-09 23:15:14,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [684] [2024-11-09 23:15:14,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [752] [2024-11-09 23:15:14,331 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c[2141,2154] [2024-11-09 23:15:14,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:15:14,388 INFO L204 MainTranslator]: Completed translation [2024-11-09 23:15:14,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14 WrapperNode [2024-11-09 23:15:14,389 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 23:15:14,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 23:15:14,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 23:15:14,390 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 23:15:14,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,411 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,438 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 21, calls inlined = 16, statements flattened = 162 [2024-11-09 23:15:14,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 23:15:14,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 23:15:14,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 23:15:14,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 23:15:14,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,452 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,468 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]. [2024-11-09 23:15:14,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,476 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 23:15:14,482 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 23:15:14,482 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 23:15:14,483 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 23:15:14,483 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:15:14,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:15:14,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 23:15:14,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 23:15:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 23:15:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-09 23:15:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-09 23:15:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 23:15:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 23:15:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 23:15:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 23:15:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-09 23:15:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-09 23:15:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-09 23:15:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-09 23:15:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-09 23:15:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-09 23:15:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 23:15:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-09 23:15:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-09 23:15:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 23:15:14,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 23:15:14,621 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 23:15:14,623 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 23:15:14,754 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L921-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-09 23:15:14,754 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L866-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2024-11-09 23:15:14,754 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L189-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~4#1; [2024-11-09 23:15:14,769 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L148: #res := ~retValue_acc~2; [2024-11-09 23:15:14,841 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L315-1: main_#res#1 := main_~retValue_acc~5#1; [2024-11-09 23:15:14,841 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L84-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2024-11-09 23:15:14,858 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-09 23:15:14,858 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 23:15:14,871 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 23:15:14,872 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 23:15:14,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:15:14 BoogieIcfgContainer [2024-11-09 23:15:14,872 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 23:15:14,874 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 23:15:14,874 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 23:15:14,877 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 23:15:14,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:15:13" (1/3) ... [2024-11-09 23:15:14,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55313be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:15:14, skipping insertion in model container [2024-11-09 23:15:14,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (2/3) ... [2024-11-09 23:15:14,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55313be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:15:14, skipping insertion in model container [2024-11-09 23:15:14,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:15:14" (3/3) ... [2024-11-09 23:15:14,879 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product27.cil.c [2024-11-09 23:15:14,898 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 23:15:14,898 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 23:15:14,959 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 23:15:14,966 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;@52d97830, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 23:15:14,966 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 23:15:14,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 64 states have (on average 1.359375) internal successors, (87), 71 states have internal predecessors, (87), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 23:15:14,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 23:15:14,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:15:14,979 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:15:14,979 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:15:14,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:15:14,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1320304905, now seen corresponding path program 1 times [2024-11-09 23:15:14,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:15:14,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323860534] [2024-11-09 23:15:14,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:15:14,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:15:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:15:15,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 23:15:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:15:15,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:15:15,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:15:15,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323860534] [2024-11-09 23:15:15,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323860534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:15:15,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:15:15,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 23:15:15,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087048416] [2024-11-09 23:15:15,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:15:15,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 23:15:15,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:15:15,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 23:15:15,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 23:15:15,253 INFO L87 Difference]: Start difference. First operand has 84 states, 64 states have (on average 1.359375) internal successors, (87), 71 states have internal predecessors, (87), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:15:15,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:15:15,281 INFO L93 Difference]: Finished difference Result 159 states and 212 transitions. [2024-11-09 23:15:15,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 23:15:15,284 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-09 23:15:15,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:15:15,295 INFO L225 Difference]: With dead ends: 159 [2024-11-09 23:15:15,295 INFO L226 Difference]: Without dead ends: 73 [2024-11-09 23:15:15,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 23:15:15,306 INFO L432 NwaCegarLoop]: 102 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, 102 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 [2024-11-09 23:15:15,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:15:15,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-09 23:15:15,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-09 23:15:15,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 55 states have (on average 1.290909090909091) internal successors, (71), 61 states have internal predecessors, (71), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 23:15:15,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 92 transitions. [2024-11-09 23:15:15,361 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 92 transitions. Word has length 25 [2024-11-09 23:15:15,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:15:15,362 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 92 transitions. [2024-11-09 23:15:15,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:15:15,363 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2024-11-09 23:15:15,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 23:15:15,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:15:15,367 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:15:15,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 23:15:15,368 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:15:15,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:15:15,369 INFO L85 PathProgramCache]: Analyzing trace with hash -39252259, now seen corresponding path program 1 times [2024-11-09 23:15:15,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:15:15,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479919150] [2024-11-09 23:15:15,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:15:15,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:15:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:15:15,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 23:15:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:15:15,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:15:15,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:15:15,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479919150] [2024-11-09 23:15:15,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479919150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:15:15,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:15:15,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:15:15,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027095012] [2024-11-09 23:15:15,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:15:15,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:15:15,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:15:15,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:15:15,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:15:15,541 INFO L87 Difference]: Start difference. First operand 73 states and 92 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:15:15,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:15:15,565 INFO L93 Difference]: Finished difference Result 107 states and 133 transitions. [2024-11-09 23:15:15,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:15:15,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2024-11-09 23:15:15,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:15:15,568 INFO L225 Difference]: With dead ends: 107 [2024-11-09 23:15:15,569 INFO L226 Difference]: Without dead ends: 63 [2024-11-09 23:15:15,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:15:15,572 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 15 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 135 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 [2024-11-09 23:15:15,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 135 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:15:15,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-09 23:15:15,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-09 23:15:15,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 48 states have (on average 1.3125) internal successors, (63), 54 states have internal predecessors, (63), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 23:15:15,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2024-11-09 23:15:15,590 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 79 transitions. Word has length 27 [2024-11-09 23:15:15,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:15:15,590 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 79 transitions. [2024-11-09 23:15:15,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:15:15,591 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2024-11-09 23:15:15,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 23:15:15,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:15:15,592 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:15:15,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 23:15:15,593 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:15:15,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:15:15,595 INFO L85 PathProgramCache]: Analyzing trace with hash 159483605, now seen corresponding path program 1 times [2024-11-09 23:15:15,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:15:15,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394551348] [2024-11-09 23:15:15,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:15:15,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:15:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:15:15,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 23:15:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:15:15,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:15:15,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:15:15,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394551348] [2024-11-09 23:15:15,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394551348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:15:15,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:15:15,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:15:15,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015145868] [2024-11-09 23:15:15,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:15:15,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 23:15:15,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:15:15,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 23:15:15,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 23:15:15,806 INFO L87 Difference]: Start difference. First operand 63 states and 79 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:15:16,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:15:16,025 INFO L93 Difference]: Finished difference Result 217 states and 279 transitions. [2024-11-09 23:15:16,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 23:15:16,026 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-11-09 23:15:16,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:15:16,030 INFO L225 Difference]: With dead ends: 217 [2024-11-09 23:15:16,030 INFO L226 Difference]: Without dead ends: 161 [2024-11-09 23:15:16,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 23:15:16,034 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 131 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:15:16,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 391 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:15:16,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-09 23:15:16,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 153. [2024-11-09 23:15:16,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 114 states have (on average 1.3508771929824561) internal successors, (154), 128 states have internal predecessors, (154), 21 states have call successors, (21), 17 states have call predecessors, (21), 17 states have return successors, (22), 15 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-09 23:15:16,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 197 transitions. [2024-11-09 23:15:16,072 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 197 transitions. Word has length 29 [2024-11-09 23:15:16,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:15:16,072 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 197 transitions. [2024-11-09 23:15:16,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:15:16,073 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 197 transitions. [2024-11-09 23:15:16,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 23:15:16,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:15:16,074 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:15:16,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 23:15:16,074 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:15:16,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:15:16,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1591051823, now seen corresponding path program 1 times [2024-11-09 23:15:16,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:15:16,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590888997] [2024-11-09 23:15:16,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:15:16,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:15:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:15:16,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:15:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:15:16,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:15:16,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:15:16,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590888997] [2024-11-09 23:15:16,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590888997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:15:16,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:15:16,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:15:16,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969097327] [2024-11-09 23:15:16,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:15:16,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:15:16,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:15:16,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:15:16,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:15:16,218 INFO L87 Difference]: Start difference. First operand 153 states and 197 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:15:16,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:15:16,268 INFO L93 Difference]: Finished difference Result 264 states and 346 transitions. [2024-11-09 23:15:16,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:15:16,270 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2024-11-09 23:15:16,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:15:16,272 INFO L225 Difference]: With dead ends: 264 [2024-11-09 23:15:16,272 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 23:15:16,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:15:16,279 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 30 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:15:16,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 145 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:15:16,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 23:15:16,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 23:15:16,280 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) [2024-11-09 23:15:16,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 23:15:16,280 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2024-11-09 23:15:16,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:15:16,281 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 23:15:16,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:15:16,281 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 23:15:16,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 23:15:16,284 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 23:15:16,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 23:15:16,288 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-09 23:15:16,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 23:15:16,684 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 23:15:16,728 WARN L156 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-09 23:15:16,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 11:15:16 BoogieIcfgContainer [2024-11-09 23:15:16,731 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 23:15:16,736 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 23:15:16,736 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 23:15:16,736 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 23:15:16,737 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:15:14" (3/4) ... [2024-11-09 23:15:16,739 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-09 23:15:16,745 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-09 23:15:16,745 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-09 23:15:16,745 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-09 23:15:16,745 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-09 23:15:16,746 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-09 23:15:16,746 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-09 23:15:16,746 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-09 23:15:16,754 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-11-09 23:15:16,755 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-09 23:15:16,756 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 23:15:16,756 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 23:15:16,757 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 23:15:16,864 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 23:15:16,865 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 23:15:16,865 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 23:15:16,865 INFO L158 Benchmark]: Toolchain (without parser) took 3002.37ms. Allocated memory is still 190.8MB. Free memory was 129.6MB in the beginning and 94.8MB in the end (delta: 34.8MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2024-11-09 23:15:16,866 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 23:15:16,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.69ms. Allocated memory is still 190.8MB. Free memory was 129.6MB in the beginning and 151.5MB in the end (delta: -21.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 23:15:16,866 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.27ms. Allocated memory is still 190.8MB. Free memory was 151.5MB in the beginning and 149.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 23:15:16,866 INFO L158 Benchmark]: Boogie Preprocessor took 42.35ms. Allocated memory is still 190.8MB. Free memory was 149.7MB in the beginning and 147.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 23:15:16,867 INFO L158 Benchmark]: IcfgBuilder took 389.80ms. Allocated memory is still 190.8MB. Free memory was 147.7MB in the beginning and 129.7MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 23:15:16,867 INFO L158 Benchmark]: TraceAbstraction took 1857.71ms. Allocated memory is still 190.8MB. Free memory was 128.9MB in the beginning and 102.2MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2024-11-09 23:15:16,867 INFO L158 Benchmark]: Witness Printer took 128.94ms. Allocated memory is still 190.8MB. Free memory was 102.2MB in the beginning and 94.8MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 23:15:16,868 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 524.69ms. Allocated memory is still 190.8MB. Free memory was 129.6MB in the beginning and 151.5MB in the end (delta: -21.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.27ms. Allocated memory is still 190.8MB. Free memory was 151.5MB in the beginning and 149.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.35ms. Allocated memory is still 190.8MB. Free memory was 149.7MB in the beginning and 147.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 389.80ms. Allocated memory is still 190.8MB. Free memory was 147.7MB in the beginning and 129.7MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1857.71ms. Allocated memory is still 190.8MB. Free memory was 128.9MB in the beginning and 102.2MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Witness Printer took 128.94ms. Allocated memory is still 190.8MB. Free memory was 102.2MB in the beginning and 94.8MB in the end (delta: 7.4MB). 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,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [96] - GenericResultAtLocation [Line: 192]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [192] - GenericResultAtLocation [Line: 219]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [219] - GenericResultAtLocation [Line: 318]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [318] - GenericResultAtLocation [Line: 684]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [684] - GenericResultAtLocation [Line: 752]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [752] * 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: 92]: 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 8 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 180 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 176 mSDsluCounter, 773 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 451 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 322 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=3, InterpolantAutomatonStates: 16, 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, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 696]: Location Invariant Derived location invariant: null - InvariantResult [Line: 232]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 841]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && (((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 782]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: ((pumpRunning == 0) && (0 != systemActive)) Ensures: (((pumpRunning == 0) && (0 != systemActive)) && ((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 130]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((waterLevel == \old(waterLevel)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 758]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 222]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 142]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 118]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((methaneLevelCritical == \old(methaneLevelCritical)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 23:15:16,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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