./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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_product10.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 1fbaddd6fd169b7b48095dcc33030c6e5a8d967c7f37e463c0b8f5252997cc40 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 14:28:29,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 14:28:29,683 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 14:28:29,686 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 14:28:29,687 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 14:28:29,706 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 14:28:29,708 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 14:28:29,708 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 14:28:29,708 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 14:28:29,708 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 14:28:29,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 14:28:29,709 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 14:28:29,709 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 14:28:29,709 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 14:28:29,710 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 14:28:29,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 14:28:29,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 14:28:29,710 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 14:28:29,710 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 14:28:29,711 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 14:28:29,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 14:28:29,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 14:28:29,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 14:28:29,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 14:28:29,711 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 14:28:29,711 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 14:28:29,711 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 14:28:29,711 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 14:28:29,711 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 14:28:29,711 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 14:28:29,712 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 14:28:29,712 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 14:28:29,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:28:29,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 14:28:29,712 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 14:28:29,712 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 14:28:29,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 14:28:29,712 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 14:28:29,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 14:28:29,712 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 14:28:29,713 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 14:28:29,713 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 14:28:29,713 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 14:28:29,713 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> 1fbaddd6fd169b7b48095dcc33030c6e5a8d967c7f37e463c0b8f5252997cc40 [2025-03-03 14:28:29,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 14:28:29,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 14:28:29,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 14:28:29,959 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 14:28:29,959 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 14:28:29,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2025-03-03 14:28:31,087 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac90dcd64/2fce217027424f01a5eb9d2069e72dd9/FLAG41dcb6bdd [2025-03-03 14:28:31,406 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 14:28:31,407 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2025-03-03 14:28:31,419 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac90dcd64/2fce217027424f01a5eb9d2069e72dd9/FLAG41dcb6bdd [2025-03-03 14:28:31,656 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac90dcd64/2fce217027424f01a5eb9d2069e72dd9 [2025-03-03 14:28:31,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 14:28:31,659 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 14:28:31,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 14:28:31,660 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 14:28:31,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 14:28:31,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:28:31" (1/1) ... [2025-03-03 14:28:31,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f2abdda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:28:31, skipping insertion in model container [2025-03-03 14:28:31,664 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:28:31" (1/1) ... [2025-03-03 14:28:31,687 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 14:28:31,803 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_product10.cil.c[1605,1618] [2025-03-03 14:28:31,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:28:31,917 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 14:28:31,922 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2025-03-03 14:28:31,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [58] [2025-03-03 14:28:31,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [144] [2025-03-03 14:28:31,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [214] [2025-03-03 14:28:31,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [314] [2025-03-03 14:28:31,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [680] [2025-03-03 14:28:31,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [817] [2025-03-03 14:28:31,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [843] [2025-03-03 14:28:31,926 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_product10.cil.c[1605,1618] [2025-03-03 14:28:31,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:28:31,974 INFO L204 MainTranslator]: Completed translation [2025-03-03 14:28:31,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:28:31 WrapperNode [2025-03-03 14:28:31,975 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 14:28:31,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 14:28:31,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 14:28:31,976 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 14:28:31,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:28:31" (1/1) ... [2025-03-03 14:28:31,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:28:31" (1/1) ... [2025-03-03 14:28:31,998 INFO L138 Inliner]: procedures = 51, calls = 91, calls flagged for inlining = 19, calls inlined = 14, statements flattened = 127 [2025-03-03 14:28:31,998 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 14:28:31,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 14:28:31,999 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 14:28:31,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 14:28:32,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:28:31" (1/1) ... [2025-03-03 14:28:32,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:28:31" (1/1) ... [2025-03-03 14:28:32,005 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:28:31" (1/1) ... [2025-03-03 14:28:32,012 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]. [2025-03-03 14:28:32,013 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:28:31" (1/1) ... [2025-03-03 14:28:32,013 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:28:31" (1/1) ... [2025-03-03 14:28:32,015 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:28:31" (1/1) ... [2025-03-03 14:28:32,015 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:28:31" (1/1) ... [2025-03-03 14:28:32,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:28:31" (1/1) ... [2025-03-03 14:28:32,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:28:31" (1/1) ... [2025-03-03 14:28:32,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 14:28:32,021 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 14:28:32,021 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 14:28:32,021 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 14:28:32,026 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:28:31" (1/1) ... [2025-03-03 14:28:32,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:28:32,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:28:32,053 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) [2025-03-03 14:28:32,055 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 [2025-03-03 14:28:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 14:28:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-03-03 14:28:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-03-03 14:28:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-03-03 14:28:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-03-03 14:28:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2025-03-03 14:28:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2025-03-03 14:28:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-03-03 14:28:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-03-03 14:28:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 14:28:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-03-03 14:28:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-03-03 14:28:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 14:28:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 14:28:32,124 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 14:28:32,125 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 14:28:32,236 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L770-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2025-03-03 14:28:32,240 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L109: #res := ~retValue_acc~0; [2025-03-03 14:28:32,307 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L311-1: main_#res#1 := main_~retValue_acc~2#1; [2025-03-03 14:28:32,307 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L875-1: valid_product_#res#1 := valid_product_~retValue_acc~9#1; [2025-03-03 14:28:32,321 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2025-03-03 14:28:32,321 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 14:28:32,328 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 14:28:32,328 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 14:28:32,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:28:32 BoogieIcfgContainer [2025-03-03 14:28:32,329 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 14:28:32,330 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 14:28:32,330 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 14:28:32,333 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 14:28:32,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 02:28:31" (1/3) ... [2025-03-03 14:28:32,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cdf19f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:28:32, skipping insertion in model container [2025-03-03 14:28:32,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:28:31" (2/3) ... [2025-03-03 14:28:32,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cdf19f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:28:32, skipping insertion in model container [2025-03-03 14:28:32,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:28:32" (3/3) ... [2025-03-03 14:28:32,336 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product10.cil.c [2025-03-03 14:28:32,347 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 14:28:32,349 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec1_product10.cil.c that has 6 procedures, 62 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-03-03 14:28:32,397 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 14:28:32,407 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;@3499b638, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 14:28:32,408 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 14:28:32,411 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 52 states have internal predecessors, (65), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-03 14:28:32,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-03-03 14:28:32,418 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:28:32,418 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:28:32,419 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:28:32,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:28:32,423 INFO L85 PathProgramCache]: Analyzing trace with hash 96424755, now seen corresponding path program 1 times [2025-03-03 14:28:32,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:28:32,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85689803] [2025-03-03 14:28:32,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:28:32,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:28:32,488 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-03 14:28:32,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-03 14:28:32,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:28:32,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:28:32,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 14:28:32,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:28:32,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85689803] [2025-03-03 14:28:32,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85689803] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:28:32,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:28:32,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-03 14:28:32,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227683445] [2025-03-03 14:28:32,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:28:32,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 14:28:32,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:28:32,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 14:28:32,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 14:28:32,577 INFO L87 Difference]: Start difference. First operand has 62 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 52 states have internal predecessors, (65), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-03 14:28:32,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:28:32,590 INFO L93 Difference]: Finished difference Result 116 states and 153 transitions. [2025-03-03 14:28:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 14:28:32,591 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2025-03-03 14:28:32,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:28:32,596 INFO L225 Difference]: With dead ends: 116 [2025-03-03 14:28:32,596 INFO L226 Difference]: Without dead ends: 53 [2025-03-03 14:28:32,598 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 14:28:32,600 INFO L435 NwaCegarLoop]: 75 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, 75 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 [2025-03-03 14:28:32,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:28:32,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-03-03 14:28:32,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2025-03-03 14:28:32,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 44 states have internal predecessors, (53), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-03 14:28:32,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions. [2025-03-03 14:28:32,630 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 23 [2025-03-03 14:28:32,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:28:32,631 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 66 transitions. [2025-03-03 14:28:32,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-03 14:28:32,632 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2025-03-03 14:28:32,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-03-03 14:28:32,633 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:28:32,634 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:28:32,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-03 14:28:32,634 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:28:32,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:28:32,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1459377602, now seen corresponding path program 1 times [2025-03-03 14:28:32,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:28:32,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846434692] [2025-03-03 14:28:32,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:28:32,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:28:32,649 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-03 14:28:32,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-03 14:28:32,660 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:28:32,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:28:32,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 14:28:32,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:28:32,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846434692] [2025-03-03 14:28:32,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846434692] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:28:32,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:28:32,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 14:28:32,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890786018] [2025-03-03 14:28:32,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:28:32,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 14:28:32,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:28:32,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 14:28:32,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 14:28:32,726 INFO L87 Difference]: Start difference. First operand 53 states and 66 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2025-03-03 14:28:32,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:28:32,736 INFO L93 Difference]: Finished difference Result 72 states and 88 transitions. [2025-03-03 14:28:32,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 14:28:32,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2025-03-03 14:28:32,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:28:32,737 INFO L225 Difference]: With dead ends: 72 [2025-03-03 14:28:32,737 INFO L226 Difference]: Without dead ends: 44 [2025-03-03 14:28:32,737 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 14:28:32,738 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 12 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 90 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 [2025-03-03 14:28:32,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:28:32,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2025-03-03 14:28:32,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2025-03-03 14:28:32,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 38 states have internal predecessors, (46), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-03 14:28:32,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 54 transitions. [2025-03-03 14:28:32,742 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 54 transitions. Word has length 24 [2025-03-03 14:28:32,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:28:32,742 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 54 transitions. [2025-03-03 14:28:32,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2025-03-03 14:28:32,742 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2025-03-03 14:28:32,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-03 14:28:32,743 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:28:32,743 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:28:32,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-03 14:28:32,743 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:28:32,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:28:32,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1103342866, now seen corresponding path program 1 times [2025-03-03 14:28:32,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:28:32,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026601158] [2025-03-03 14:28:32,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:28:32,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:28:32,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-03 14:28:32,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-03 14:28:32,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:28:32,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:28:32,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 14:28:32,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:28:32,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026601158] [2025-03-03 14:28:32,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026601158] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:28:32,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:28:32,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 14:28:32,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662368136] [2025-03-03 14:28:32,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:28:32,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 14:28:32,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:28:32,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 14:28:32,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 14:28:32,832 INFO L87 Difference]: Start difference. First operand 44 states and 54 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2025-03-03 14:28:32,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:28:32,850 INFO L93 Difference]: Finished difference Result 81 states and 102 transitions. [2025-03-03 14:28:32,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 14:28:32,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 28 [2025-03-03 14:28:32,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:28:32,851 INFO L225 Difference]: With dead ends: 81 [2025-03-03 14:28:32,851 INFO L226 Difference]: Without dead ends: 44 [2025-03-03 14:28:32,852 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 14:28:32,852 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 48 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 14:28:32,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 52 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:28:32,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2025-03-03 14:28:32,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2025-03-03 14:28:32,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 38 states have internal predecessors, (45), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-03 14:28:32,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2025-03-03 14:28:32,859 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 28 [2025-03-03 14:28:32,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:28:32,859 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2025-03-03 14:28:32,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2025-03-03 14:28:32,860 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2025-03-03 14:28:32,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-03 14:28:32,860 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:28:32,860 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:28:32,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-03 14:28:32,860 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:28:32,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:28:32,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1680957631, now seen corresponding path program 1 times [2025-03-03 14:28:32,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:28:32,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527080021] [2025-03-03 14:28:32,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:28:32,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:28:32,871 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-03 14:28:32,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-03 14:28:32,883 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:28:32,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:28:32,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 14:28:32,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:28:32,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527080021] [2025-03-03 14:28:32,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527080021] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:28:32,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:28:32,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 14:28:32,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784126848] [2025-03-03 14:28:32,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:28:32,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 14:28:32,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:28:32,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 14:28:32,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 14:28:32,976 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2025-03-03 14:28:33,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:28:33,012 INFO L93 Difference]: Finished difference Result 77 states and 96 transitions. [2025-03-03 14:28:33,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 14:28:33,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 29 [2025-03-03 14:28:33,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:28:33,013 INFO L225 Difference]: With dead ends: 77 [2025-03-03 14:28:33,013 INFO L226 Difference]: Without dead ends: 0 [2025-03-03 14:28:33,014 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-03 14:28:33,014 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 25 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 14:28:33,014 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 127 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:28:33,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-03 14:28:33,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-03 14:28:33,015 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) [2025-03-03 14:28:33,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-03 14:28:33,015 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2025-03-03 14:28:33,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:28:33,015 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-03 14:28:33,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2025-03-03 14:28:33,015 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-03 14:28:33,016 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-03 14:28:33,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 14:28:33,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-03 14:28:33,019 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-03 14:28:33,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-03 14:28:33,149 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 14:28:33,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 02:28:33 BoogieIcfgContainer [2025-03-03 14:28:33,160 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 14:28:33,161 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 14:28:33,161 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 14:28:33,161 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 14:28:33,162 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:28:32" (3/4) ... [2025-03-03 14:28:33,163 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-03 14:28:33,167 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2025-03-03 14:28:33,167 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure cleanup [2025-03-03 14:28:33,167 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure timeShift [2025-03-03 14:28:33,167 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2025-03-03 14:28:33,168 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure waterRise [2025-03-03 14:28:33,172 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2025-03-03 14:28:33,172 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-03 14:28:33,173 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-03 14:28:33,173 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-03 14:28:33,173 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-03 14:28:33,239 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-03 14:28:33,240 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-03 14:28:33,240 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 14:28:33,241 INFO L158 Benchmark]: Toolchain (without parser) took 1581.82ms. Allocated memory is still 167.8MB. Free memory was 122.4MB in the beginning and 106.8MB in the end (delta: 15.6MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2025-03-03 14:28:33,241 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 14:28:33,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.72ms. Allocated memory is still 167.8MB. Free memory was 122.4MB in the beginning and 104.6MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 14:28:33,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.59ms. Allocated memory is still 167.8MB. Free memory was 104.6MB in the beginning and 102.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 14:28:33,241 INFO L158 Benchmark]: Boogie Preprocessor took 22.11ms. Allocated memory is still 167.8MB. Free memory was 102.9MB in the beginning and 101.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 14:28:33,241 INFO L158 Benchmark]: IcfgBuilder took 307.40ms. Allocated memory is still 167.8MB. Free memory was 101.4MB in the beginning and 85.5MB in the end (delta: 15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 14:28:33,242 INFO L158 Benchmark]: TraceAbstraction took 830.04ms. Allocated memory is still 167.8MB. Free memory was 85.5MB in the beginning and 113.2MB in the end (delta: -27.7MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2025-03-03 14:28:33,242 INFO L158 Benchmark]: Witness Printer took 79.20ms. Allocated memory is still 167.8MB. Free memory was 113.2MB in the beginning and 106.8MB in the end (delta: 6.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 14:28:33,243 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.72ms. Allocated memory is still 167.8MB. Free memory was 122.4MB in the beginning and 104.6MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.59ms. Allocated memory is still 167.8MB. Free memory was 104.6MB in the beginning and 102.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.11ms. Allocated memory is still 167.8MB. Free memory was 102.9MB in the beginning and 101.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 307.40ms. Allocated memory is still 167.8MB. Free memory was 101.4MB in the beginning and 85.5MB in the end (delta: 15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 830.04ms. Allocated memory is still 167.8MB. Free memory was 85.5MB in the beginning and 113.2MB in the end (delta: -27.7MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. * Witness Printer took 79.20ms. Allocated memory is still 167.8MB. Free memory was 113.2MB in the beginning and 106.8MB in the end (delta: 6.4MB). There was no memory consumed. 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [58] - GenericResultAtLocation [Line: 144]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [144] - GenericResultAtLocation [Line: 214]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [214] - GenericResultAtLocation [Line: 314]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [314] - GenericResultAtLocation [Line: 680]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [680] - GenericResultAtLocation [Line: 817]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [817] - GenericResultAtLocation [Line: 843]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [843] * 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: 54]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 88 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85 mSDsluCounter, 344 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 121 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 223 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 160 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 158]: Location Invariant Derived location invariant: (((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) - InvariantResult [Line: 226]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-03-03 14:28:33,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE