./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 ccaa7fbdcb9338da1f8fd3ccb37732a1f2165a762a28b1457475bd920e3cf3c3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 04:02:51,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 04:02:51,088 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 04:02:51,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 04:02:51,092 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 04:02:51,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 04:02:51,107 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 04:02:51,107 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 04:02:51,107 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 04:02:51,107 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 04:02:51,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 04:02:51,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 04:02:51,108 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 04:02:51,108 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 04:02:51,108 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 04:02:51,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 04:02:51,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 04:02:51,108 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 04:02:51,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 04:02:51,108 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 04:02:51,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 04:02:51,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 04:02:51,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 04:02:51,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 04:02:51,109 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 04:02:51,109 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 04:02:51,109 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 04:02:51,109 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 04:02:51,109 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 04:02:51,109 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:02:51,110 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:02:51,110 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:02:51,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:02:51,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 04:02:51,110 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:02:51,110 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:02:51,110 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:02:51,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:02:51,110 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 04:02:51,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 04:02:51,110 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 04:02:51,111 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 04:02:51,111 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 04:02:51,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 04:02:51,111 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 04:02:51,111 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 04:02:51,111 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 04:02:51,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 04:02:51,111 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-jdk21/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 -> ccaa7fbdcb9338da1f8fd3ccb37732a1f2165a762a28b1457475bd920e3cf3c3 [2025-01-09 04:02:51,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 04:02:51,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 04:02:51,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 04:02:51,364 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 04:02:51,364 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 04:02:51,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c [2025-01-09 04:02:52,670 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/055c2219a/398cbba8be4e4488902f0dd3e6f43cb6/FLAGba34fe388 [2025-01-09 04:02:53,061 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 04:02:53,069 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c [2025-01-09 04:02:53,089 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/055c2219a/398cbba8be4e4488902f0dd3e6f43cb6/FLAGba34fe388 [2025-01-09 04:02:53,274 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/055c2219a/398cbba8be4e4488902f0dd3e6f43cb6 [2025-01-09 04:02:53,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 04:02:53,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 04:02:53,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 04:02:53,284 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 04:02:53,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 04:02:53,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:02:53" (1/1) ... [2025-01-09 04:02:53,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44398326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:53, skipping insertion in model container [2025-01-09 04:02:53,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:02:53" (1/1) ... [2025-01-09 04:02:53,350 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 04:02:53,561 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c[2141,2154] [2025-01-09 04:02:53,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:02:53,778 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 04:02:53,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2025-01-09 04:02:53,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2025-01-09 04:02:53,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [96] [2025-01-09 04:02:53,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [192] [2025-01-09 04:02:53,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [293] [2025-01-09 04:02:53,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [496] [2025-01-09 04:02:53,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [561] [2025-01-09 04:02:53,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [927] [2025-01-09 04:02:53,811 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c[2141,2154] [2025-01-09 04:02:53,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:02:53,958 INFO L204 MainTranslator]: Completed translation [2025-01-09 04:02:53,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:53 WrapperNode [2025-01-09 04:02:53,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 04:02:53,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 04:02:53,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 04:02:53,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 04:02:53,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:53" (1/1) ... [2025-01-09 04:02:53,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:53" (1/1) ... [2025-01-09 04:02:54,005 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 192 [2025-01-09 04:02:54,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 04:02:54,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 04:02:54,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 04:02:54,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 04:02:54,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:53" (1/1) ... [2025-01-09 04:02:54,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:53" (1/1) ... [2025-01-09 04:02:54,014 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:53" (1/1) ... [2025-01-09 04:02:54,031 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]. [2025-01-09 04:02:54,031 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:53" (1/1) ... [2025-01-09 04:02:54,031 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:53" (1/1) ... [2025-01-09 04:02:54,034 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:53" (1/1) ... [2025-01-09 04:02:54,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:53" (1/1) ... [2025-01-09 04:02:54,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:53" (1/1) ... [2025-01-09 04:02:54,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:53" (1/1) ... [2025-01-09 04:02:54,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:53" (1/1) ... [2025-01-09 04:02:54,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 04:02:54,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 04:02:54,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 04:02:54,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 04:02:54,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:53" (1/1) ... [2025-01-09 04:02:54,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:02:54,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:02:54,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 04:02:54,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 04:02:54,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 04:02:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2025-01-09 04:02:54,131 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2025-01-09 04:02:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-01-09 04:02:54,131 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-01-09 04:02:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-01-09 04:02:54,131 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-01-09 04:02:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-01-09 04:02:54,131 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-01-09 04:02:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2025-01-09 04:02:54,131 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2025-01-09 04:02:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2025-01-09 04:02:54,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2025-01-09 04:02:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2025-01-09 04:02:54,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2025-01-09 04:02:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2025-01-09 04:02:54,132 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2025-01-09 04:02:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 04:02:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-01-09 04:02:54,132 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-01-09 04:02:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 04:02:54,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 04:02:54,178 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 04:02:54,179 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 04:02:54,465 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2025-01-09 04:02:54,465 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 04:02:54,480 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 04:02:54,480 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 04:02:54,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:02:54 BoogieIcfgContainer [2025-01-09 04:02:54,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 04:02:54,490 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 04:02:54,490 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 04:02:54,497 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 04:02:54,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:02:53" (1/3) ... [2025-01-09 04:02:54,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c8dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:02:54, skipping insertion in model container [2025-01-09 04:02:54,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:53" (2/3) ... [2025-01-09 04:02:54,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c8dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:02:54, skipping insertion in model container [2025-01-09 04:02:54,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:02:54" (3/3) ... [2025-01-09 04:02:54,499 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product29.cil.c [2025-01-09 04:02:54,518 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 04:02:54,522 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec5_product29.cil.c that has 10 procedures, 94 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-09 04:02:54,599 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 04:02:54,608 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;@63a18346, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 04:02:54,608 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 04:02:54,611 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 68 states have (on average 1.338235294117647) internal successors, (91), 76 states have internal predecessors, (91), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-09 04:02:54,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-01-09 04:02:54,619 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:02:54,620 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:02:54,620 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:02:54,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:02:54,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1735711745, now seen corresponding path program 1 times [2025-01-09 04:02:54,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:02:54,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948754786] [2025-01-09 04:02:54,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:02:54,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:02:54,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-09 04:02:54,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-09 04:02:54,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:02:54,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:02:54,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 04:02:54,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:02:54,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948754786] [2025-01-09 04:02:54,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948754786] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:02:54,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:02:54,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 04:02:54,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645253616] [2025-01-09 04:02:54,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:02:54,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 04:02:54,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:02:54,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 04:02:54,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:02:54,838 INFO L87 Difference]: Start difference. First operand has 94 states, 68 states have (on average 1.338235294117647) internal successors, (91), 76 states have internal predecessors, (91), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 04:02:54,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:02:54,869 INFO L93 Difference]: Finished difference Result 167 states and 217 transitions. [2025-01-09 04:02:54,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 04:02:54,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2025-01-09 04:02:54,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:02:54,876 INFO L225 Difference]: With dead ends: 167 [2025-01-09 04:02:54,876 INFO L226 Difference]: Without dead ends: 77 [2025-01-09 04:02:54,879 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 [2025-01-09 04:02:54,883 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 12 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 185 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 [2025-01-09 04:02:54,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 185 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:02:54,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2025-01-09 04:02:54,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2025-01-09 04:02:54,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 63 states have internal predecessors, (73), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-09 04:02:54,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 97 transitions. [2025-01-09 04:02:54,935 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 97 transitions. Word has length 32 [2025-01-09 04:02:54,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:02:54,936 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 97 transitions. [2025-01-09 04:02:54,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 04:02:54,936 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 97 transitions. [2025-01-09 04:02:54,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-01-09 04:02:54,937 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:02:54,938 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:02:54,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 04:02:54,938 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:02:54,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:02:54,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1318938433, now seen corresponding path program 1 times [2025-01-09 04:02:54,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:02:54,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365944705] [2025-01-09 04:02:54,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:02:54,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:02:54,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-09 04:02:54,977 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-09 04:02:54,980 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:02:54,980 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:02:55,161 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 04:02:55,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:02:55,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365944705] [2025-01-09 04:02:55,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365944705] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:02:55,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:02:55,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:02:55,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308582659] [2025-01-09 04:02:55,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:02:55,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:02:55,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:02:55,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:02:55,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:02:55,164 INFO L87 Difference]: Start difference. First operand 77 states and 97 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 04:02:55,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:02:55,328 INFO L93 Difference]: Finished difference Result 146 states and 187 transitions. [2025-01-09 04:02:55,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:02:55,332 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36 [2025-01-09 04:02:55,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:02:55,333 INFO L225 Difference]: With dead ends: 146 [2025-01-09 04:02:55,333 INFO L226 Difference]: Without dead ends: 77 [2025-01-09 04:02:55,334 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-01-09 04:02:55,334 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 148 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 04:02:55,335 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 227 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 04:02:55,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2025-01-09 04:02:55,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2025-01-09 04:02:55,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 56 states have (on average 1.2857142857142858) internal successors, (72), 63 states have internal predecessors, (72), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-09 04:02:55,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 96 transitions. [2025-01-09 04:02:55,346 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 96 transitions. Word has length 36 [2025-01-09 04:02:55,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:02:55,347 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 96 transitions. [2025-01-09 04:02:55,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 04:02:55,347 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 96 transitions. [2025-01-09 04:02:55,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-01-09 04:02:55,348 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:02:55,348 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:02:55,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 04:02:55,349 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:02:55,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:02:55,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1396658031, now seen corresponding path program 1 times [2025-01-09 04:02:55,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:02:55,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776780516] [2025-01-09 04:02:55,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:02:55,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:02:55,363 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-09 04:02:55,368 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-09 04:02:55,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:02:55,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:02:55,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-09 04:02:55,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:02:55,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776780516] [2025-01-09 04:02:55,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776780516] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:02:55,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:02:55,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 04:02:55,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169432810] [2025-01-09 04:02:55,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:02:55,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 04:02:55,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:02:55,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 04:02:55,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-09 04:02:55,497 INFO L87 Difference]: Start difference. First operand 77 states and 96 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-09 04:02:55,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:02:55,623 INFO L93 Difference]: Finished difference Result 122 states and 155 transitions. [2025-01-09 04:02:55,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 04:02:55,624 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 46 [2025-01-09 04:02:55,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:02:55,624 INFO L225 Difference]: With dead ends: 122 [2025-01-09 04:02:55,624 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 04:02:55,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2025-01-09 04:02:55,625 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 66 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 04:02:55,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 167 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 04:02:55,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 04:02:55,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 04:02:55,626 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) [2025-01-09 04:02:55,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 04:02:55,626 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2025-01-09 04:02:55,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:02:55,626 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 04:02:55,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-09 04:02:55,626 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 04:02:55,627 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 04:02:55,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 04:02:55,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 04:02:55,630 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-09 04:02:55,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 04:02:55,918 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 04:02:55,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 04:02:55 BoogieIcfgContainer [2025-01-09 04:02:55,934 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 04:02:55,936 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 04:02:55,939 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 04:02:55,939 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 04:02:55,940 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:02:54" (3/4) ... [2025-01-09 04:02:55,941 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 04:02:55,947 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2025-01-09 04:02:55,947 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2025-01-09 04:02:55,947 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2025-01-09 04:02:55,948 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2025-01-09 04:02:55,948 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2025-01-09 04:02:55,948 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2025-01-09 04:02:55,949 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2025-01-09 04:02:55,949 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2025-01-09 04:02:55,949 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2025-01-09 04:02:55,956 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2025-01-09 04:02:55,957 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-01-09 04:02:55,957 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-09 04:02:55,957 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 04:02:55,958 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 04:02:56,076 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 04:02:56,077 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 04:02:56,077 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 04:02:56,078 INFO L158 Benchmark]: Toolchain (without parser) took 2798.69ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 111.7MB in the end (delta: -2.9MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. [2025-01-09 04:02:56,078 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 226.5MB. Free memory is still 149.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:02:56,078 INFO L158 Benchmark]: CACSL2BoogieTranslator took 674.72ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 90.3MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 04:02:56,078 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.38ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 88.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:02:56,079 INFO L158 Benchmark]: Boogie Preprocessor took 33.59ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 86.8MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 04:02:56,079 INFO L158 Benchmark]: RCFGBuilder took 448.55ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 70.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 04:02:56,079 INFO L158 Benchmark]: TraceAbstraction took 1444.15ms. Allocated memory is still 142.6MB. Free memory was 69.1MB in the beginning and 47.4MB in the end (delta: 21.7MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2025-01-09 04:02:56,079 INFO L158 Benchmark]: Witness Printer took 141.32ms. Allocated memory is still 142.6MB. Free memory was 47.4MB in the beginning and 111.7MB in the end (delta: -64.3MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2025-01-09 04:02:56,081 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 226.5MB. Free memory is still 149.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 674.72ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 90.3MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.38ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 88.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.59ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 86.8MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 448.55ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 70.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1444.15ms. Allocated memory is still 142.6MB. Free memory was 69.1MB in the beginning and 47.4MB in the end (delta: 21.7MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Witness Printer took 141.32ms. Allocated memory is still 142.6MB. Free memory was 47.4MB in the beginning and 111.7MB in the end (delta: -64.3MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [96] - GenericResultAtLocation [Line: 192]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [192] - GenericResultAtLocation [Line: 293]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [293] - GenericResultAtLocation [Line: 496]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [496] - GenericResultAtLocation [Line: 561]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [561] - GenericResultAtLocation [Line: 927]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [927] * 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 10 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 231 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 226 mSDsluCounter, 579 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 346 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 156 IncrementalHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 233 mSDtfsCounter, 156 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 205 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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: 553]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) RESULT: Ultimate proved your program to be correct! [2025-01-09 04:02:56,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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