./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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_product19.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 e25743107029d12d34dddb50b6115a3bfc10c36f90a80b04d3daa9d63cbcdce5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 07:51:35,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 07:51:35,864 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 07:51:35,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 07:51:35,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 07:51:35,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 07:51:35,890 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 07:51:35,890 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 07:51:35,891 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 07:51:35,892 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 07:51:35,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 07:51:35,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 07:51:35,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 07:51:35,893 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 07:51:35,894 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 07:51:35,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 07:51:35,895 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 07:51:35,895 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 07:51:35,895 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 07:51:35,895 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 07:51:35,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 07:51:35,899 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 07:51:35,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 07:51:35,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 07:51:35,899 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 07:51:35,900 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 07:51:35,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 07:51:35,900 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 07:51:35,900 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 07:51:35,900 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 07:51:35,900 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 07:51:35,901 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 07:51:35,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:51:35,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 07:51:35,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 07:51:35,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 07:51:35,901 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 07:51:35,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 07:51:35,902 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 07:51:35,902 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 07:51:35,902 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 07:51:35,902 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 07:51:35,903 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e25743107029d12d34dddb50b6115a3bfc10c36f90a80b04d3daa9d63cbcdce5 [2024-11-16 07:51:36,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 07:51:36,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 07:51:36,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 07:51:36,152 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 07:51:36,152 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 07:51:36,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2024-11-16 07:51:37,521 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 07:51:37,698 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 07:51:37,700 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2024-11-16 07:51:37,712 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e245e68d7/a8bd4317771b4555994a5749d8103781/FLAG67a1d3c86 [2024-11-16 07:51:37,726 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e245e68d7/a8bd4317771b4555994a5749d8103781 [2024-11-16 07:51:37,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 07:51:37,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 07:51:37,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 07:51:37,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 07:51:37,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 07:51:37,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:51:37" (1/1) ... [2024-11-16 07:51:37,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65fbc279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:51:37, skipping insertion in model container [2024-11-16 07:51:37,738 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:51:37" (1/1) ... [2024-11-16 07:51:37,780 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 07:51:37,960 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_product19.cil.c[2044,2057] [2024-11-16 07:51:38,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:51:38,058 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 07:51:38,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] [2024-11-16 07:51:38,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [78] [2024-11-16 07:51:38,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2024-11-16 07:51:38,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [182] [2024-11-16 07:51:38,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [548] [2024-11-16 07:51:38,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [586] [2024-11-16 07:51:38,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [685] [2024-11-16 07:51:38,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [855] [2024-11-16 07:51:38,074 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_product19.cil.c[2044,2057] [2024-11-16 07:51:38,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:51:38,147 INFO L204 MainTranslator]: Completed translation [2024-11-16 07:51:38,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:51:38 WrapperNode [2024-11-16 07:51:38,148 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 07:51:38,149 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 07:51:38,149 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 07:51:38,149 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 07:51:38,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:51:38" (1/1) ... [2024-11-16 07:51:38,168 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:51:38" (1/1) ... [2024-11-16 07:51:38,186 INFO L138 Inliner]: procedures = 53, calls = 95, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 162 [2024-11-16 07:51:38,187 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 07:51:38,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 07:51:38,188 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 07:51:38,188 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 07:51:38,197 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:51:38" (1/1) ... [2024-11-16 07:51:38,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:51:38" (1/1) ... [2024-11-16 07:51:38,201 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:51:38" (1/1) ... [2024-11-16 07:51:38,221 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]. [2024-11-16 07:51:38,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:51:38" (1/1) ... [2024-11-16 07:51:38,221 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:51:38" (1/1) ... [2024-11-16 07:51:38,224 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:51:38" (1/1) ... [2024-11-16 07:51:38,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:51:38" (1/1) ... [2024-11-16 07:51:38,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:51:38" (1/1) ... [2024-11-16 07:51:38,226 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:51:38" (1/1) ... [2024-11-16 07:51:38,228 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 07:51:38,229 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 07:51:38,229 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 07:51:38,229 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 07:51:38,230 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:51:38" (1/1) ... [2024-11-16 07:51:38,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:51:38,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:51:38,262 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) [2024-11-16 07:51:38,273 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 [2024-11-16 07:51:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 07:51:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-16 07:51:38,309 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-16 07:51:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-16 07:51:38,309 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-16 07:51:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-16 07:51:38,310 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-16 07:51:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-16 07:51:38,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-16 07:51:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-16 07:51:38,310 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-16 07:51:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-16 07:51:38,310 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-16 07:51:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 07:51:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-16 07:51:38,310 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-16 07:51:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 07:51:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 07:51:38,405 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 07:51:38,410 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 07:51:38,549 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-16 07:51:38,549 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L179-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~2#1; [2024-11-16 07:51:38,550 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L782-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2024-11-16 07:51:38,564 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L138: #res := ~retValue_acc~0; [2024-11-16 07:51:38,632 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L682-1: main_#res#1 := main_~retValue_acc~8#1; [2024-11-16 07:51:38,632 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L583-1: valid_product_#res#1 := valid_product_~retValue_acc~7#1; [2024-11-16 07:51:38,645 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-16 07:51:38,645 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 07:51:38,658 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 07:51:38,660 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 07:51:38,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:51:38 BoogieIcfgContainer [2024-11-16 07:51:38,660 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 07:51:38,664 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 07:51:38,664 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 07:51:38,667 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 07:51:38,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:51:37" (1/3) ... [2024-11-16 07:51:38,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46c8a15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:51:38, skipping insertion in model container [2024-11-16 07:51:38,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:51:38" (2/3) ... [2024-11-16 07:51:38,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46c8a15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:51:38, skipping insertion in model container [2024-11-16 07:51:38,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:51:38" (3/3) ... [2024-11-16 07:51:38,670 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product19.cil.c [2024-11-16 07:51:38,683 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 07:51:38,683 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 07:51:38,730 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 07:51:38,735 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;@56a6fb9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 07:51:38,736 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 07:51:38,738 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 66 states have (on average 1.3484848484848484) internal successors, (89), 73 states have internal predecessors, (89), 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) [2024-11-16 07:51:38,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-16 07:51:38,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:51:38,745 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] [2024-11-16 07:51:38,745 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:51:38,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:51:38,750 INFO L85 PathProgramCache]: Analyzing trace with hash -2103200743, now seen corresponding path program 1 times [2024-11-16 07:51:38,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:51:38,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904287709] [2024-11-16 07:51:38,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:51:38,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:51:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:51:38,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-16 07:51:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:51:38,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:51:38,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:51:38,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904287709] [2024-11-16 07:51:38,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904287709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:51:38,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:51:38,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 07:51:38,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321020236] [2024-11-16 07:51:38,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:51:38,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 07:51:38,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:51:38,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 07:51:38,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 07:51:38,950 INFO L87 Difference]: Start difference. First operand has 86 states, 66 states have (on average 1.3484848484848484) internal successors, (89), 73 states have internal predecessors, (89), 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) [2024-11-16 07:51:38,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:51:38,974 INFO L93 Difference]: Finished difference Result 163 states and 216 transitions. [2024-11-16 07:51:38,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 07:51:38,976 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 [2024-11-16 07:51:38,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:51:38,982 INFO L225 Difference]: With dead ends: 163 [2024-11-16 07:51:38,982 INFO L226 Difference]: Without dead ends: 75 [2024-11-16 07:51:38,985 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 [2024-11-16 07:51:38,987 INFO L432 NwaCegarLoop]: 104 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, 104 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 [2024-11-16 07:51:38,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:51:38,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-16 07:51:39,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-16 07:51:39,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 57 states have (on average 1.280701754385965) internal successors, (73), 63 states have internal predecessors, (73), 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) [2024-11-16 07:51:39,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 94 transitions. [2024-11-16 07:51:39,015 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 94 transitions. Word has length 25 [2024-11-16 07:51:39,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:51:39,016 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 94 transitions. [2024-11-16 07:51:39,016 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) [2024-11-16 07:51:39,016 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 94 transitions. [2024-11-16 07:51:39,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-16 07:51:39,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:51:39,018 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] [2024-11-16 07:51:39,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 07:51:39,018 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:51:39,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:51:39,019 INFO L85 PathProgramCache]: Analyzing trace with hash 2026494915, now seen corresponding path program 1 times [2024-11-16 07:51:39,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:51:39,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863233501] [2024-11-16 07:51:39,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:51:39,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:51:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:51:39,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:51:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:51:39,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:51:39,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:51:39,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863233501] [2024-11-16 07:51:39,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863233501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:51:39,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:51:39,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 07:51:39,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924258441] [2024-11-16 07:51:39,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:51:39,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 07:51:39,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:51:39,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 07:51:39,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 07:51:39,122 INFO L87 Difference]: Start difference. First operand 75 states and 94 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-11-16 07:51:39,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:51:39,133 INFO L93 Difference]: Finished difference Result 109 states and 135 transitions. [2024-11-16 07:51:39,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 07:51:39,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 28 [2024-11-16 07:51:39,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:51:39,134 INFO L225 Difference]: With dead ends: 109 [2024-11-16 07:51:39,134 INFO L226 Difference]: Without dead ends: 64 [2024-11-16 07:51:39,135 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 [2024-11-16 07:51:39,136 INFO L432 NwaCegarLoop]: 79 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, 136 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:51:39,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 136 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:51:39,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-16 07:51:39,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-16 07:51:39,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 55 states have internal predecessors, (64), 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) [2024-11-16 07:51:39,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 80 transitions. [2024-11-16 07:51:39,143 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 80 transitions. Word has length 28 [2024-11-16 07:51:39,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:51:39,144 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 80 transitions. [2024-11-16 07:51:39,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-11-16 07:51:39,144 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2024-11-16 07:51:39,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-16 07:51:39,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:51:39,145 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] [2024-11-16 07:51:39,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 07:51:39,145 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:51:39,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:51:39,146 INFO L85 PathProgramCache]: Analyzing trace with hash 985975994, now seen corresponding path program 1 times [2024-11-16 07:51:39,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:51:39,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780881386] [2024-11-16 07:51:39,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:51:39,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:51:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:51:39,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 07:51:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:51:39,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:51:39,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:51:39,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780881386] [2024-11-16 07:51:39,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780881386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:51:39,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:51:39,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 07:51:39,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101061194] [2024-11-16 07:51:39,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:51:39,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 07:51:39,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:51:39,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 07:51:39,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 07:51:39,267 INFO L87 Difference]: Start difference. First operand 64 states and 80 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2024-11-16 07:51:39,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:51:39,381 INFO L93 Difference]: Finished difference Result 221 states and 283 transitions. [2024-11-16 07:51:39,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 07:51:39,382 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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 30 [2024-11-16 07:51:39,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:51:39,384 INFO L225 Difference]: With dead ends: 221 [2024-11-16 07:51:39,384 INFO L226 Difference]: Without dead ends: 164 [2024-11-16 07:51:39,384 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 [2024-11-16 07:51:39,385 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 132 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 07:51:39,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 397 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 07:51:39,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-16 07:51:39,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 156. [2024-11-16 07:51:39,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 117 states have (on average 1.3418803418803418) internal successors, (157), 131 states have internal predecessors, (157), 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) [2024-11-16 07:51:39,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 200 transitions. [2024-11-16 07:51:39,404 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 200 transitions. Word has length 30 [2024-11-16 07:51:39,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:51:39,404 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 200 transitions. [2024-11-16 07:51:39,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2024-11-16 07:51:39,405 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 200 transitions. [2024-11-16 07:51:39,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-16 07:51:39,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:51:39,406 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, 1] [2024-11-16 07:51:39,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 07:51:39,406 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:51:39,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:51:39,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1540496886, now seen corresponding path program 1 times [2024-11-16 07:51:39,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:51:39,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227580954] [2024-11-16 07:51:39,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:51:39,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:51:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:51:39,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 07:51:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:51:39,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:51:39,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:51:39,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227580954] [2024-11-16 07:51:39,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227580954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:51:39,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:51:39,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 07:51:39,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191639789] [2024-11-16 07:51:39,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:51:39,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 07:51:39,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:51:39,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 07:51:39,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 07:51:39,499 INFO L87 Difference]: Start difference. First operand 156 states and 200 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2024-11-16 07:51:39,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:51:39,534 INFO L93 Difference]: Finished difference Result 270 states and 352 transitions. [2024-11-16 07:51:39,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 07:51:39,534 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 34 [2024-11-16 07:51:39,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:51:39,535 INFO L225 Difference]: With dead ends: 270 [2024-11-16 07:51:39,535 INFO L226 Difference]: Without dead ends: 0 [2024-11-16 07:51:39,536 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 [2024-11-16 07:51:39,537 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 30 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 148 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 [2024-11-16 07:51:39,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 148 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:51:39,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-16 07:51:39,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-16 07:51:39,538 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) [2024-11-16 07:51:39,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-16 07:51:39,539 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2024-11-16 07:51:39,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:51:39,539 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-16 07:51:39,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2024-11-16 07:51:39,539 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-16 07:51:39,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-16 07:51:39,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 07:51:39,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 07:51:39,546 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-16 07:51:39,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-16 07:51:39,881 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 07:51:39,910 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) [2024-11-16 07:51:39,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 07:51:39 BoogieIcfgContainer [2024-11-16 07:51:39,912 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 07:51:39,913 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 07:51:39,913 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 07:51:39,913 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 07:51:39,914 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:51:38" (3/4) ... [2024-11-16 07:51:39,919 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 07:51:39,922 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-16 07:51:39,922 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-16 07:51:39,922 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-16 07:51:39,922 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-16 07:51:39,922 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-16 07:51:39,922 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-16 07:51:39,923 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-16 07:51:39,931 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-11-16 07:51:39,935 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-16 07:51:39,936 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 07:51:39,936 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 07:51:39,936 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 07:51:40,038 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 07:51:40,040 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 07:51:40,040 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 07:51:40,041 INFO L158 Benchmark]: Toolchain (without parser) took 2311.32ms. Allocated memory was 176.2MB in the beginning and 293.6MB in the end (delta: 117.4MB). Free memory was 117.4MB in the beginning and 233.1MB in the end (delta: -115.6MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-11-16 07:51:40,041 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 176.2MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 07:51:40,041 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.41ms. Allocated memory is still 176.2MB. Free memory was 117.1MB in the beginning and 96.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-16 07:51:40,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.37ms. Allocated memory is still 176.2MB. Free memory was 95.7MB in the beginning and 93.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 07:51:40,042 INFO L158 Benchmark]: Boogie Preprocessor took 40.47ms. Allocated memory is still 176.2MB. Free memory was 93.9MB in the beginning and 91.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 07:51:40,042 INFO L158 Benchmark]: IcfgBuilder took 433.83ms. Allocated memory is still 176.2MB. Free memory was 91.9MB in the beginning and 133.0MB in the end (delta: -41.2MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2024-11-16 07:51:40,042 INFO L158 Benchmark]: TraceAbstraction took 1248.62ms. Allocated memory was 176.2MB in the beginning and 293.6MB in the end (delta: 117.4MB). Free memory was 133.0MB in the beginning and 240.4MB in the end (delta: -107.4MB). Peak memory consumption was 87.5MB. Max. memory is 16.1GB. [2024-11-16 07:51:40,042 INFO L158 Benchmark]: Witness Printer took 127.43ms. Allocated memory is still 293.6MB. Free memory was 240.4MB in the beginning and 233.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 07:51:40,044 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 176.2MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.41ms. Allocated memory is still 176.2MB. Free memory was 117.1MB in the beginning and 96.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.37ms. Allocated memory is still 176.2MB. Free memory was 95.7MB in the beginning and 93.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.47ms. Allocated memory is still 176.2MB. Free memory was 93.9MB in the beginning and 91.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 433.83ms. Allocated memory is still 176.2MB. Free memory was 91.9MB in the beginning and 133.0MB in the end (delta: -41.2MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1248.62ms. Allocated memory was 176.2MB in the beginning and 293.6MB in the end (delta: 117.4MB). Free memory was 133.0MB in the beginning and 240.4MB in the end (delta: -107.4MB). Peak memory consumption was 87.5MB. Max. memory is 16.1GB. * Witness Printer took 127.43ms. Allocated memory is still 293.6MB. Free memory was 240.4MB in the beginning and 233.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [78] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 182]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [182] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [548] - GenericResultAtLocation [Line: 586]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [586] - GenericResultAtLocation [Line: 685]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [685] - GenericResultAtLocation [Line: 855]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [855] * 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: 83]: 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, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 181 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 177 mSDsluCounter, 785 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 458 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 327 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=156occurred 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 226 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: 866]: Location Invariant Derived location invariant: null - InvariantResult [Line: 599]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 757]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && (((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 716]: 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))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 120]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((waterLevel == \old(waterLevel)) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 692]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 589]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 132]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 108]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((methaneLevelCritical == \old(methaneLevelCritical)) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) RESULT: Ultimate proved your program to be correct! [2024-11-16 07:51:40,073 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