./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product15.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 3ff5e3440a113d04736761f02383989df8ff41baa6c3f7c82a502839a05f4fda --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 22:07:03,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 22:07:03,575 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 22:07:03,579 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 22:07:03,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 22:07:03,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 22:07:03,611 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 22:07:03,611 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 22:07:03,611 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 22:07:03,614 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 22:07:03,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 22:07:03,614 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 22:07:03,615 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 22:07:03,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 22:07:03,615 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 22:07:03,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 22:07:03,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 22:07:03,615 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 22:07:03,616 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 22:07:03,616 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 22:07:03,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 22:07:03,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 22:07:03,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 22:07:03,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 22:07:03,618 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 22:07:03,618 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 22:07:03,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 22:07:03,618 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 22:07:03,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 22:07:03,619 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 22:07:03,619 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 22:07:03,619 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 22:07:03,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:07:03,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 22:07:03,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 22:07:03,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 22:07:03,620 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 22:07:03,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 22:07:03,621 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 22:07:03,621 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 22:07:03,621 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 22:07:03,621 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 22:07:03,621 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ff5e3440a113d04736761f02383989df8ff41baa6c3f7c82a502839a05f4fda [2024-11-19 22:07:03,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 22:07:03,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 22:07:03,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 22:07:03,810 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 22:07:03,810 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 22:07:03,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2024-11-19 22:07:04,942 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 22:07:05,149 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 22:07:05,150 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2024-11-19 22:07:05,159 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/363121519/c26ce5efb8c34027bac6c3b8b4b53395/FLAG35d9d39c4 [2024-11-19 22:07:05,543 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/363121519/c26ce5efb8c34027bac6c3b8b4b53395 [2024-11-19 22:07:05,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 22:07:05,546 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 22:07:05,547 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 22:07:05,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 22:07:05,551 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 22:07:05,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:07:05" (1/1) ... [2024-11-19 22:07:05,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d9b998f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:05, skipping insertion in model container [2024-11-19 22:07:05,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:07:05" (1/1) ... [2024-11-19 22:07:05,578 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 22:07:05,717 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_spec4_product15.cil.c[2141,2154] [2024-11-19 22:07:05,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:07:05,807 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 22:07:05,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-19 22:07:05,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2024-11-19 22:07:05,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [96] [2024-11-19 22:07:05,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [168] [2024-11-19 22:07:05,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [341] [2024-11-19 22:07:05,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [707] [2024-11-19 22:07:05,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [788] [2024-11-19 22:07:05,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [884] [2024-11-19 22:07:05,824 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_spec4_product15.cil.c[2141,2154] [2024-11-19 22:07:05,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:07:05,882 INFO L204 MainTranslator]: Completed translation [2024-11-19 22:07:05,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:05 WrapperNode [2024-11-19 22:07:05,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 22:07:05,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 22:07:05,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 22:07:05,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 22:07:05,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:05" (1/1) ... [2024-11-19 22:07:05,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:05" (1/1) ... [2024-11-19 22:07:05,918 INFO L138 Inliner]: procedures = 52, calls = 96, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 163 [2024-11-19 22:07:05,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 22:07:05,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 22:07:05,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 22:07:05,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 22:07:05,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:05" (1/1) ... [2024-11-19 22:07:05,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:05" (1/1) ... [2024-11-19 22:07:05,930 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:05" (1/1) ... [2024-11-19 22:07:05,940 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]. [2024-11-19 22:07:05,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:05" (1/1) ... [2024-11-19 22:07:05,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:05" (1/1) ... [2024-11-19 22:07:05,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:05" (1/1) ... [2024-11-19 22:07:05,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:05" (1/1) ... [2024-11-19 22:07:05,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:05" (1/1) ... [2024-11-19 22:07:05,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:05" (1/1) ... [2024-11-19 22:07:05,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 22:07:05,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 22:07:05,950 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 22:07:05,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 22:07:05,951 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:05" (1/1) ... [2024-11-19 22:07:05,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:07:05,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:07:05,979 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) [2024-11-19 22:07:05,981 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 [2024-11-19 22:07:06,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 22:07:06,018 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-19 22:07:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-19 22:07:06,018 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-19 22:07:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-19 22:07:06,018 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-19 22:07:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-19 22:07:06,018 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-11-19 22:07:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-11-19 22:07:06,019 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-11-19 22:07:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-11-19 22:07:06,019 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-19 22:07:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-19 22:07:06,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 22:07:06,020 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-19 22:07:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-19 22:07:06,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 22:07:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 22:07:06,089 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 22:07:06,091 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 22:07:06,262 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-19 22:07:06,264 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 22:07:06,277 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 22:07:06,277 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 22:07:06,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:07:06 BoogieIcfgContainer [2024-11-19 22:07:06,278 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 22:07:06,281 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 22:07:06,281 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 22:07:06,284 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 22:07:06,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:07:05" (1/3) ... [2024-11-19 22:07:06,285 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ebe56f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:07:06, skipping insertion in model container [2024-11-19 22:07:06,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:05" (2/3) ... [2024-11-19 22:07:06,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ebe56f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:07:06, skipping insertion in model container [2024-11-19 22:07:06,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:07:06" (3/3) ... [2024-11-19 22:07:06,288 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product15.cil.c [2024-11-19 22:07:06,302 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 22:07:06,302 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 22:07:06,353 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 22:07:06,358 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;@107518c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 22:07:06,358 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 22:07:06,361 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 58 states have (on average 1.3793103448275863) internal successors, (80), 65 states have internal predecessors, (80), 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) [2024-11-19 22:07:06,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-19 22:07:06,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:07:06,367 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:07:06,367 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:07:06,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:07:06,371 INFO L85 PathProgramCache]: Analyzing trace with hash -2002568319, now seen corresponding path program 1 times [2024-11-19 22:07:06,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:07:06,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168914887] [2024-11-19 22:07:06,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:07:06,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:07:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:06,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:07:06,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:07:06,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168914887] [2024-11-19 22:07:06,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168914887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:07:06,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:07:06,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 22:07:06,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3703226] [2024-11-19 22:07:06,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:07:06,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 22:07:06,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:07:06,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 22:07:06,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 22:07:06,550 INFO L87 Difference]: Start difference. First operand has 78 states, 58 states have (on average 1.3793103448275863) internal successors, (80), 65 states have internal predecessors, (80), 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 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:07:06,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:07:06,569 INFO L93 Difference]: Finished difference Result 148 states and 199 transitions. [2024-11-19 22:07:06,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 22:07:06,571 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-19 22:07:06,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:07:06,576 INFO L225 Difference]: With dead ends: 148 [2024-11-19 22:07:06,576 INFO L226 Difference]: Without dead ends: 69 [2024-11-19 22:07:06,579 INFO L431 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 [2024-11-19 22:07:06,581 INFO L432 NwaCegarLoop]: 96 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, 96 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 [2024-11-19 22:07:06,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:07:06,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-19 22:07:06,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-19 22:07:06,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 57 states have internal predecessors, (66), 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) [2024-11-19 22:07:06,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2024-11-19 22:07:06,609 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 19 [2024-11-19 22:07:06,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:07:06,610 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2024-11-19 22:07:06,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:07:06,610 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2024-11-19 22:07:06,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-19 22:07:06,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:07:06,612 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] [2024-11-19 22:07:06,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 22:07:06,612 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:07:06,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:07:06,613 INFO L85 PathProgramCache]: Analyzing trace with hash 999716962, now seen corresponding path program 1 times [2024-11-19 22:07:06,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:07:06,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064686987] [2024-11-19 22:07:06,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:07:06,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:07:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:06,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:07:06,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:07:06,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064686987] [2024-11-19 22:07:06,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064686987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:07:06,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:07:06,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:07:06,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250324244] [2024-11-19 22:07:06,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:07:06,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:07:06,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:07:06,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:07:06,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:07:06,709 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:07:06,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:07:06,720 INFO L93 Difference]: Finished difference Result 100 states and 124 transitions. [2024-11-19 22:07:06,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:07:06,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-19 22:07:06,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:07:06,722 INFO L225 Difference]: With dead ends: 100 [2024-11-19 22:07:06,722 INFO L226 Difference]: Without dead ends: 60 [2024-11-19 22:07:06,722 INFO L431 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 [2024-11-19 22:07:06,723 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 16 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 127 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 [2024-11-19 22:07:06,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 127 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:07:06,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-19 22:07:06,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-19 22:07:06,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 51 states have internal predecessors, (59), 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) [2024-11-19 22:07:06,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2024-11-19 22:07:06,733 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 20 [2024-11-19 22:07:06,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:07:06,733 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions. [2024-11-19 22:07:06,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:07:06,733 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2024-11-19 22:07:06,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-19 22:07:06,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:07:06,734 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] [2024-11-19 22:07:06,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 22:07:06,734 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:07:06,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:07:06,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1281821319, now seen corresponding path program 1 times [2024-11-19 22:07:06,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:07:06,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411522420] [2024-11-19 22:07:06,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:07:06,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:07:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:06,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:07:06,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:07:06,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411522420] [2024-11-19 22:07:06,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411522420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:07:06,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:07:06,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 22:07:06,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447514963] [2024-11-19 22:07:06,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:07:06,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:07:06,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:07:06,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:07:06,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:07:06,853 INFO L87 Difference]: Start difference. First operand 60 states and 75 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:07:06,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:07:06,882 INFO L93 Difference]: Finished difference Result 165 states and 211 transitions. [2024-11-19 22:07:06,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:07:06,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-19 22:07:06,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:07:06,884 INFO L225 Difference]: With dead ends: 165 [2024-11-19 22:07:06,884 INFO L226 Difference]: Without dead ends: 112 [2024-11-19 22:07:06,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:07:06,885 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 55 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:07:06,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 151 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:07:06,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-19 22:07:06,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2024-11-19 22:07:06,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 80 states have (on average 1.3375) internal successors, (107), 91 states have internal predecessors, (107), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-19 22:07:06,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 139 transitions. [2024-11-19 22:07:06,906 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 139 transitions. Word has length 24 [2024-11-19 22:07:06,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:07:06,906 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 139 transitions. [2024-11-19 22:07:06,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:07:06,906 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 139 transitions. [2024-11-19 22:07:06,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-19 22:07:06,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:07:06,911 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:07:06,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 22:07:06,911 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:07:06,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:07:06,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1956762765, now seen corresponding path program 1 times [2024-11-19 22:07:06,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:07:06,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191577316] [2024-11-19 22:07:06,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:07:06,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:07:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:07,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-19 22:07:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:07,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:07:07,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:07:07,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191577316] [2024-11-19 22:07:07,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191577316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:07:07,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:07:07,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 22:07:07,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335971910] [2024-11-19 22:07:07,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:07:07,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:07:07,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:07:07,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:07:07,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:07:07,031 INFO L87 Difference]: Start difference. First operand 109 states and 139 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) [2024-11-19 22:07:07,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:07:07,110 INFO L93 Difference]: Finished difference Result 301 states and 398 transitions. [2024-11-19 22:07:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:07:07,110 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 [2024-11-19 22:07:07,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:07:07,113 INFO L225 Difference]: With dead ends: 301 [2024-11-19 22:07:07,113 INFO L226 Difference]: Without dead ends: 199 [2024-11-19 22:07:07,114 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 [2024-11-19 22:07:07,115 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 42 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:07:07,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 271 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:07:07,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-19 22:07:07,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2024-11-19 22:07:07,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 144 states have (on average 1.3194444444444444) internal successors, (190), 163 states have internal predecessors, (190), 32 states have call successors, (32), 24 states have call predecessors, (32), 22 states have return successors, (34), 20 states have call predecessors, (34), 32 states have call successors, (34) [2024-11-19 22:07:07,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 256 transitions. [2024-11-19 22:07:07,145 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 256 transitions. Word has length 29 [2024-11-19 22:07:07,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:07:07,145 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 256 transitions. [2024-11-19 22:07:07,145 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) [2024-11-19 22:07:07,145 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 256 transitions. [2024-11-19 22:07:07,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-19 22:07:07,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:07:07,147 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] [2024-11-19 22:07:07,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 22:07:07,147 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:07:07,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:07:07,150 INFO L85 PathProgramCache]: Analyzing trace with hash 2058553646, now seen corresponding path program 1 times [2024-11-19 22:07:07,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:07:07,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946690000] [2024-11-19 22:07:07,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:07:07,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:07:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:07,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-19 22:07:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:07,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:07:07,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:07:07,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946690000] [2024-11-19 22:07:07,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946690000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:07:07,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:07:07,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:07:07,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649258322] [2024-11-19 22:07:07,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:07:07,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:07:07,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:07:07,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:07:07,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:07:07,219 INFO L87 Difference]: Start difference. First operand 199 states and 256 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-11-19 22:07:07,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:07:07,242 INFO L93 Difference]: Finished difference Result 333 states and 437 transitions. [2024-11-19 22:07:07,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:07:07,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 31 [2024-11-19 22:07:07,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:07:07,245 INFO L225 Difference]: With dead ends: 333 [2024-11-19 22:07:07,245 INFO L226 Difference]: Without dead ends: 141 [2024-11-19 22:07:07,246 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 [2024-11-19 22:07:07,247 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 37 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:07:07,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 49 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:07:07,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-19 22:07:07,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2024-11-19 22:07:07,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 108 states have (on average 1.2592592592592593) internal successors, (136), 115 states have internal predecessors, (136), 16 states have call successors, (16), 16 states have call predecessors, (16), 14 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-19 22:07:07,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 168 transitions. [2024-11-19 22:07:07,268 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 168 transitions. Word has length 31 [2024-11-19 22:07:07,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:07:07,268 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 168 transitions. [2024-11-19 22:07:07,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-11-19 22:07:07,268 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 168 transitions. [2024-11-19 22:07:07,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-19 22:07:07,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:07:07,269 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:07:07,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 22:07:07,270 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:07:07,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:07:07,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1598576531, now seen corresponding path program 1 times [2024-11-19 22:07:07,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:07:07,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361606577] [2024-11-19 22:07:07,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:07:07,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:07:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:07,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-19 22:07:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:07,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:07:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:07,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:07:07,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:07:07,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361606577] [2024-11-19 22:07:07,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361606577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:07:07,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:07:07,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 22:07:07,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616951076] [2024-11-19 22:07:07,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:07:07,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 22:07:07,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:07:07,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 22:07:07,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 22:07:07,364 INFO L87 Difference]: Start difference. First operand 139 states and 168 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 22:07:07,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:07:07,428 INFO L93 Difference]: Finished difference Result 143 states and 172 transitions. [2024-11-19 22:07:07,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 22:07:07,428 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-19 22:07:07,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:07:07,429 INFO L225 Difference]: With dead ends: 143 [2024-11-19 22:07:07,429 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 22:07:07,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:07:07,430 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 43 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:07:07,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 137 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:07:07,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 22:07:07,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 22:07:07,431 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) [2024-11-19 22:07:07,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 22:07:07,432 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2024-11-19 22:07:07,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:07:07,432 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 22:07:07,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 22:07:07,432 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 22:07:07,432 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 22:07:07,435 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-19 22:07:07,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 22:07:07,437 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-19 22:07:07,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 22:07:07,759 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 22:07:07,785 WARN L156 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0) (= |old(~waterLevel~0)| ~waterLevel~0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-19 22:07:07,787 WARN L156 FloydHoareUtils]: Requires clause for waterRise contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-19 22:07:07,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:07:07 BoogieIcfgContainer [2024-11-19 22:07:07,788 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 22:07:07,789 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 22:07:07,789 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 22:07:07,789 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 22:07:07,789 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:07:06" (3/4) ... [2024-11-19 22:07:07,791 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 22:07:07,794 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-19 22:07:07,794 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-19 22:07:07,794 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-19 22:07:07,794 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-19 22:07:07,794 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-19 22:07:07,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2024-11-19 22:07:07,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2024-11-19 22:07:07,800 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-19 22:07:07,800 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-19 22:07:07,800 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-19 22:07:07,801 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 22:07:07,801 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 22:07:07,878 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 22:07:07,880 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 22:07:07,880 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 22:07:07,881 INFO L158 Benchmark]: Toolchain (without parser) took 2334.23ms. Allocated memory was 180.4MB in the beginning and 243.3MB in the end (delta: 62.9MB). Free memory was 140.0MB in the beginning and 208.8MB in the end (delta: -68.8MB). Peak memory consumption was 102.3MB. Max. memory is 16.1GB. [2024-11-19 22:07:07,881 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 180.4MB. Free memory is still 143.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 22:07:07,881 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.05ms. Allocated memory is still 180.4MB. Free memory was 140.0MB in the beginning and 119.1MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-19 22:07:07,881 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.87ms. Allocated memory is still 180.4MB. Free memory was 119.1MB in the beginning and 117.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 22:07:07,882 INFO L158 Benchmark]: Boogie Preprocessor took 30.33ms. Allocated memory is still 180.4MB. Free memory was 117.0MB in the beginning and 114.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 22:07:07,882 INFO L158 Benchmark]: RCFGBuilder took 327.82ms. Allocated memory is still 180.4MB. Free memory was 114.9MB in the beginning and 97.4MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-19 22:07:07,882 INFO L158 Benchmark]: TraceAbstraction took 1507.25ms. Allocated memory was 180.4MB in the beginning and 243.3MB in the end (delta: 62.9MB). Free memory was 96.7MB in the beginning and 109.0MB in the end (delta: -12.3MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2024-11-19 22:07:07,882 INFO L158 Benchmark]: Witness Printer took 91.43ms. Allocated memory is still 243.3MB. Free memory was 109.0MB in the beginning and 208.8MB in the end (delta: -99.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-19 22:07:07,884 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 180.4MB. Free memory is still 143.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.05ms. Allocated memory is still 180.4MB. Free memory was 140.0MB in the beginning and 119.1MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.87ms. Allocated memory is still 180.4MB. Free memory was 119.1MB in the beginning and 117.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.33ms. Allocated memory is still 180.4MB. Free memory was 117.0MB in the beginning and 114.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 327.82ms. Allocated memory is still 180.4MB. Free memory was 114.9MB in the beginning and 97.4MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1507.25ms. Allocated memory was 180.4MB in the beginning and 243.3MB in the end (delta: 62.9MB). Free memory was 96.7MB in the beginning and 109.0MB in the end (delta: -12.3MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. * Witness Printer took 91.43ms. Allocated memory is still 243.3MB. Free memory was 109.0MB in the beginning and 208.8MB in the end (delta: -99.8MB). 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [96] - GenericResultAtLocation [Line: 168]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [168] - GenericResultAtLocation [Line: 341]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [341] - GenericResultAtLocation [Line: 707]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [707] - GenericResultAtLocation [Line: 788]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [788] - GenericResultAtLocation [Line: 884]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [884] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 92]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 198 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 193 mSDsluCounter, 831 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 417 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80 IncrementalHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 414 mSDtfsCounter, 80 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=199occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 320 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 112]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 111]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 262]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && (((((systemActive == \old(systemActive)) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 735]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 790]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((systemActive == \old(systemActive)) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 180]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: ((((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel)) && ((((systemActive == \old(systemActive)) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 723]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 204]: Procedure Contract for processEnvironment__wrappee__methaneQuery Derived contract for procedure processEnvironment__wrappee__methaneQuery. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 270]: Procedure Contract for isMethaneAlarm Derived contract for procedure isMethaneAlarm. Requires: 0 Ensures: (0 && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) RESULT: Ultimate proved your program to be correct! [2024-11-19 22:07:07,908 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