./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_spec3_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 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_spec3_product32.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 cbe5945de1191725858dff519e245e0ce7f71deac0a58ccc85d416ae53ad1824 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 03:09:03,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 03:09:03,203 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 03:09:03,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 03:09:03,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 03:09:03,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 03:09:03,230 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 03:09:03,231 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 03:09:03,231 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 03:09:03,232 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 03:09:03,232 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 03:09:03,232 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 03:09:03,233 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 03:09:03,233 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 03:09:03,233 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 03:09:03,234 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 03:09:03,234 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 03:09:03,234 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 03:09:03,234 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 03:09:03,235 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 03:09:03,235 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 03:09:03,235 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 03:09:03,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 03:09:03,236 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 03:09:03,236 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 03:09:03,236 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 03:09:03,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 03:09:03,237 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 03:09:03,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 03:09:03,238 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 03:09:03,238 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 03:09:03,238 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 03:09:03,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:09:03,239 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 03:09:03,239 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 03:09:03,239 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 03:09:03,239 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 03:09:03,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 03:09:03,240 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 03:09:03,240 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 03:09:03,240 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 03:09:03,240 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 03:09:03,241 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbe5945de1191725858dff519e245e0ce7f71deac0a58ccc85d416ae53ad1824 [2024-10-14 03:09:03,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 03:09:03,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 03:09:03,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 03:09:03,466 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 03:09:03,467 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 03:09:03,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c [2024-10-14 03:09:05,114 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 03:09:05,293 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 03:09:05,293 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c [2024-10-14 03:09:05,302 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0917fa891/ebeb1c8431144f2c9d9baee80c3c1662/FLAG5da48be34 [2024-10-14 03:09:05,314 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0917fa891/ebeb1c8431144f2c9d9baee80c3c1662 [2024-10-14 03:09:05,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 03:09:05,317 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 03:09:05,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 03:09:05,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 03:09:05,323 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 03:09:05,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:09:05" (1/1) ... [2024-10-14 03:09:05,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db018d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:05, skipping insertion in model container [2024-10-14 03:09:05,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:09:05" (1/1) ... [2024-10-14 03:09:05,361 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 03:09:05,647 WARN L248 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_spec3_product32.cil.c[15274,15287] [2024-10-14 03:09:05,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:09:05,678 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 03:09:05,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-10-14 03:09:05,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [415] [2024-10-14 03:09:05,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [490] [2024-10-14 03:09:05,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [717] [2024-10-14 03:09:05,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [726] [2024-10-14 03:09:05,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [825] [2024-10-14 03:09:05,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [860] [2024-10-14 03:09:05,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [895] [2024-10-14 03:09:05,742 WARN L248 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_spec3_product32.cil.c[15274,15287] [2024-10-14 03:09:05,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:09:05,773 INFO L204 MainTranslator]: Completed translation [2024-10-14 03:09:05,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:05 WrapperNode [2024-10-14 03:09:05,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 03:09:05,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 03:09:05,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 03:09:05,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 03:09:05,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:05" (1/1) ... [2024-10-14 03:09:05,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:05" (1/1) ... [2024-10-14 03:09:05,822 INFO L138 Inliner]: procedures = 56, calls = 103, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 189 [2024-10-14 03:09:05,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 03:09:05,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 03:09:05,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 03:09:05,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 03:09:05,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:05" (1/1) ... [2024-10-14 03:09:05,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:05" (1/1) ... [2024-10-14 03:09:05,838 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:05" (1/1) ... [2024-10-14 03:09:05,858 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]. [2024-10-14 03:09:05,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:05" (1/1) ... [2024-10-14 03:09:05,861 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:05" (1/1) ... [2024-10-14 03:09:05,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:05" (1/1) ... [2024-10-14 03:09:05,872 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:05" (1/1) ... [2024-10-14 03:09:05,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:05" (1/1) ... [2024-10-14 03:09:05,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:05" (1/1) ... [2024-10-14 03:09:05,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 03:09:05,888 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 03:09:05,889 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 03:09:05,889 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 03:09:05,889 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:05" (1/1) ... [2024-10-14 03:09:05,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:09:05,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:09:05,920 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) [2024-10-14 03:09:05,923 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 [2024-10-14 03:09:05,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 03:09:05,962 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-10-14 03:09:05,962 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-10-14 03:09:05,962 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-10-14 03:09:05,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-10-14 03:09:05,962 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-10-14 03:09:05,962 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-10-14 03:09:05,962 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-10-14 03:09:05,962 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-10-14 03:09:05,963 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-10-14 03:09:05,963 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-10-14 03:09:05,963 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-10-14 03:09:05,963 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-10-14 03:09:05,963 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-10-14 03:09:05,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-10-14 03:09:05,964 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-10-14 03:09:05,964 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-10-14 03:09:05,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 03:09:05,964 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-10-14 03:09:05,964 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-10-14 03:09:05,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 03:09:05,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 03:09:06,022 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 03:09:06,025 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 03:09:06,250 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-10-14 03:09:06,250 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 03:09:06,299 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 03:09:06,300 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-14 03:09:06,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:09:06 BoogieIcfgContainer [2024-10-14 03:09:06,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 03:09:06,308 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 03:09:06,308 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 03:09:06,310 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 03:09:06,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:09:05" (1/3) ... [2024-10-14 03:09:06,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e0a41e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:09:06, skipping insertion in model container [2024-10-14 03:09:06,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:05" (2/3) ... [2024-10-14 03:09:06,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e0a41e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:09:06, skipping insertion in model container [2024-10-14 03:09:06,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:09:06" (3/3) ... [2024-10-14 03:09:06,316 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product32.cil.c [2024-10-14 03:09:06,332 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 03:09:06,332 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 03:09:06,404 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 03:09:06,410 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;@70c6ae10, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 03:09:06,411 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 03:09:06,415 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 50 states have (on average 1.52) internal successors, (76), 59 states have internal predecessors, (76), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 03:09:06,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-14 03:09:06,422 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:09:06,422 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:09:06,423 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:09:06,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:09:06,427 INFO L85 PathProgramCache]: Analyzing trace with hash 164437899, now seen corresponding path program 1 times [2024-10-14 03:09:06,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:09:06,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783549377] [2024-10-14 03:09:06,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:09:06,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:09:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:09:06,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 03:09:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:09:06,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:09:06,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:09:06,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783549377] [2024-10-14 03:09:06,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783549377] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:09:06,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:09:06,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 03:09:06,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291667176] [2024-10-14 03:09:06,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:09:06,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 03:09:06,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:09:06,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 03:09:06,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 03:09:06,628 INFO L87 Difference]: Start difference. First operand has 77 states, 50 states have (on average 1.52) internal successors, (76), 59 states have internal predecessors, (76), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 03:09:06,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:09:06,691 INFO L93 Difference]: Finished difference Result 152 states and 217 transitions. [2024-10-14 03:09:06,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 03:09:06,693 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-10-14 03:09:06,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:09:06,699 INFO L225 Difference]: With dead ends: 152 [2024-10-14 03:09:06,700 INFO L226 Difference]: Without dead ends: 72 [2024-10-14 03:09:06,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 03:09:06,705 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:09:06,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:09:06,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-10-14 03:09:06,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-10-14 03:09:06,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 55 states have internal predecessors, (66), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-14 03:09:06,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 97 transitions. [2024-10-14 03:09:06,767 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 97 transitions. Word has length 17 [2024-10-14 03:09:06,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:09:06,767 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 97 transitions. [2024-10-14 03:09:06,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 03:09:06,767 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions. [2024-10-14 03:09:06,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-14 03:09:06,769 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:09:06,769 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:09:06,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 03:09:06,770 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:09:06,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:09:06,770 INFO L85 PathProgramCache]: Analyzing trace with hash -2079708022, now seen corresponding path program 1 times [2024-10-14 03:09:06,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:09:06,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368166691] [2024-10-14 03:09:06,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:09:06,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:09:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:09:06,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:09:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:09:06,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:09:06,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:09:06,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368166691] [2024-10-14 03:09:06,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368166691] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:09:06,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:09:06,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:09:06,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760192795] [2024-10-14 03:09:06,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:09:06,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:09:06,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:09:06,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:09:06,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:09:06,928 INFO L87 Difference]: Start difference. First operand 72 states and 97 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 03:09:06,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:09:06,970 INFO L93 Difference]: Finished difference Result 114 states and 152 transitions. [2024-10-14 03:09:06,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:09:06,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-10-14 03:09:06,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:09:06,972 INFO L225 Difference]: With dead ends: 114 [2024-10-14 03:09:06,973 INFO L226 Difference]: Without dead ends: 64 [2024-10-14 03:09:06,974 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 [2024-10-14 03:09:06,975 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 14 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:09:06,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 130 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:09:06,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-10-14 03:09:06,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-10-14 03:09:06,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 50 states have internal predecessors, (60), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-14 03:09:06,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 86 transitions. [2024-10-14 03:09:06,982 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 86 transitions. Word has length 18 [2024-10-14 03:09:06,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:09:06,983 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 86 transitions. [2024-10-14 03:09:06,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 03:09:06,983 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2024-10-14 03:09:06,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-14 03:09:06,984 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:09:06,984 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] [2024-10-14 03:09:06,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 03:09:06,985 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:09:06,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:09:06,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1296549214, now seen corresponding path program 1 times [2024-10-14 03:09:06,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:09:06,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64237889] [2024-10-14 03:09:06,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:09:06,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:09:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:09:07,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 03:09:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:09:07,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:09:07,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:09:07,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64237889] [2024-10-14 03:09:07,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64237889] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:09:07,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:09:07,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:09:07,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649148923] [2024-10-14 03:09:07,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:09:07,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:09:07,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:09:07,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:09:07,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:09:07,063 INFO L87 Difference]: Start difference. First operand 64 states and 86 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-10-14 03:09:07,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:09:07,125 INFO L93 Difference]: Finished difference Result 188 states and 255 transitions. [2024-10-14 03:09:07,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:09:07,125 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), 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 21 [2024-10-14 03:09:07,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:09:07,127 INFO L225 Difference]: With dead ends: 188 [2024-10-14 03:09:07,127 INFO L226 Difference]: Without dead ends: 126 [2024-10-14 03:09:07,127 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 [2024-10-14 03:09:07,128 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 80 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:09:07,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 154 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:09:07,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-10-14 03:09:07,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 123. [2024-10-14 03:09:07,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 80 states have (on average 1.4375) internal successors, (115), 95 states have internal predecessors, (115), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 17 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-14 03:09:07,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 167 transitions. [2024-10-14 03:09:07,153 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 167 transitions. Word has length 21 [2024-10-14 03:09:07,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:09:07,155 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 167 transitions. [2024-10-14 03:09:07,155 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), 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) [2024-10-14 03:09:07,155 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions. [2024-10-14 03:09:07,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-14 03:09:07,156 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:09:07,156 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] [2024-10-14 03:09:07,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 03:09:07,157 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:09:07,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:09:07,158 INFO L85 PathProgramCache]: Analyzing trace with hash -11692337, now seen corresponding path program 1 times [2024-10-14 03:09:07,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:09:07,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473516760] [2024-10-14 03:09:07,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:09:07,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:09:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:09:07,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 03:09:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:09:07,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:09:07,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:09:07,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473516760] [2024-10-14 03:09:07,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473516760] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:09:07,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:09:07,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 03:09:07,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685276987] [2024-10-14 03:09:07,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:09:07,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 03:09:07,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:09:07,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 03:09:07,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 03:09:07,268 INFO L87 Difference]: Start difference. First operand 123 states and 167 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-10-14 03:09:07,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:09:07,358 INFO L93 Difference]: Finished difference Result 355 states and 494 transitions. [2024-10-14 03:09:07,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 03:09:07,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 24 [2024-10-14 03:09:07,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:09:07,363 INFO L225 Difference]: With dead ends: 355 [2024-10-14 03:09:07,366 INFO L226 Difference]: Without dead ends: 234 [2024-10-14 03:09:07,367 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 03:09:07,370 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 57 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:09:07,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 208 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:09:07,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-10-14 03:09:07,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2024-10-14 03:09:07,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 151 states have (on average 1.4105960264900663) internal successors, (213), 178 states have internal predecessors, (213), 52 states have call successors, (52), 32 states have call predecessors, (52), 30 states have return successors, (54), 32 states have call predecessors, (54), 52 states have call successors, (54) [2024-10-14 03:09:07,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 319 transitions. [2024-10-14 03:09:07,397 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 319 transitions. Word has length 24 [2024-10-14 03:09:07,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:09:07,397 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 319 transitions. [2024-10-14 03:09:07,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-10-14 03:09:07,398 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 319 transitions. [2024-10-14 03:09:07,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-14 03:09:07,399 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:09:07,400 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] [2024-10-14 03:09:07,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 03:09:07,400 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:09:07,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:09:07,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1154734570, now seen corresponding path program 1 times [2024-10-14 03:09:07,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:09:07,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982151616] [2024-10-14 03:09:07,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:09:07,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:09:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:09:07,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 03:09:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:09:07,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:09:07,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:09:07,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982151616] [2024-10-14 03:09:07,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982151616] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:09:07,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:09:07,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:09:07,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139972829] [2024-10-14 03:09:07,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:09:07,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:09:07,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:09:07,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:09:07,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:09:07,455 INFO L87 Difference]: Start difference. First operand 234 states and 319 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-10-14 03:09:07,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:09:07,492 INFO L93 Difference]: Finished difference Result 392 states and 536 transitions. [2024-10-14 03:09:07,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:09:07,493 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 26 [2024-10-14 03:09:07,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:09:07,495 INFO L225 Difference]: With dead ends: 392 [2024-10-14 03:09:07,495 INFO L226 Difference]: Without dead ends: 160 [2024-10-14 03:09:07,496 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 [2024-10-14 03:09:07,497 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 41 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:09:07,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 41 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:09:07,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-10-14 03:09:07,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 158. [2024-10-14 03:09:07,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 111 states have (on average 1.2882882882882882) internal successors, (143), 118 states have internal predecessors, (143), 24 states have call successors, (24), 24 states have call predecessors, (24), 22 states have return successors, (24), 22 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-14 03:09:07,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 191 transitions. [2024-10-14 03:09:07,526 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 191 transitions. Word has length 26 [2024-10-14 03:09:07,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:09:07,526 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 191 transitions. [2024-10-14 03:09:07,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-10-14 03:09:07,526 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 191 transitions. [2024-10-14 03:09:07,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-14 03:09:07,530 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:09:07,530 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:09:07,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 03:09:07,530 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:09:07,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:09:07,530 INFO L85 PathProgramCache]: Analyzing trace with hash -167016011, now seen corresponding path program 1 times [2024-10-14 03:09:07,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:09:07,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487920247] [2024-10-14 03:09:07,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:09:07,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:09:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 03:09:07,543 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 03:09:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 03:09:07,574 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 03:09:07,575 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 03:09:07,575 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 03:09:07,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 03:09:07,579 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-14 03:09:07,603 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 03:09:07,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:09:07 BoogieIcfgContainer [2024-10-14 03:09:07,609 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 03:09:07,609 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 03:09:07,609 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 03:09:07,611 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 03:09:07,612 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:09:06" (3/4) ... [2024-10-14 03:09:07,612 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-14 03:09:07,680 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 03:09:07,680 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 03:09:07,681 INFO L158 Benchmark]: Toolchain (without parser) took 2363.52ms. Allocated memory was 167.8MB in the beginning and 293.6MB in the end (delta: 125.8MB). Free memory was 94.2MB in the beginning and 172.1MB in the end (delta: -77.9MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2024-10-14 03:09:07,681 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 120.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 03:09:07,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.89ms. Allocated memory was 167.8MB in the beginning and 293.6MB in the end (delta: 125.8MB). Free memory was 94.0MB in the beginning and 258.5MB in the end (delta: -164.5MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-10-14 03:09:07,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.38ms. Allocated memory is still 293.6MB. Free memory was 257.5MB in the beginning and 255.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 03:09:07,682 INFO L158 Benchmark]: Boogie Preprocessor took 65.00ms. Allocated memory is still 293.6MB. Free memory was 255.4MB in the beginning and 253.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 03:09:07,682 INFO L158 Benchmark]: RCFGBuilder took 412.09ms. Allocated memory is still 293.6MB. Free memory was 253.3MB in the beginning and 228.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-14 03:09:07,682 INFO L158 Benchmark]: TraceAbstraction took 1301.38ms. Allocated memory is still 293.6MB. Free memory was 228.1MB in the beginning and 175.3MB in the end (delta: 52.8MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2024-10-14 03:09:07,682 INFO L158 Benchmark]: Witness Printer took 71.00ms. Allocated memory is still 293.6MB. Free memory was 175.3MB in the beginning and 172.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 03:09:07,686 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 120.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.89ms. Allocated memory was 167.8MB in the beginning and 293.6MB in the end (delta: 125.8MB). Free memory was 94.0MB in the beginning and 258.5MB in the end (delta: -164.5MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.38ms. Allocated memory is still 293.6MB. Free memory was 257.5MB in the beginning and 255.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.00ms. Allocated memory is still 293.6MB. Free memory was 255.4MB in the beginning and 253.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 412.09ms. Allocated memory is still 293.6MB. Free memory was 253.3MB in the beginning and 228.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1301.38ms. Allocated memory is still 293.6MB. Free memory was 228.1MB in the beginning and 175.3MB in the end (delta: 52.8MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. * Witness Printer took 71.00ms. Allocated memory is still 293.6MB. Free memory was 175.3MB in the beginning and 172.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [415] - GenericResultAtLocation [Line: 490]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [490] - GenericResultAtLocation [Line: 717]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [717] - GenericResultAtLocation [Line: 726]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [726] - GenericResultAtLocation [Line: 825]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [825] - GenericResultAtLocation [Line: 860]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [860] - GenericResultAtLocation [Line: 895]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [895] * 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 - CounterExampleResult [Line: 722]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L499] int pumpRunning = 0; [L500] int systemActive = 1; [L727] int cleanupTimeShifts = 4; [L896] int waterLevel = 1; [L897] int methaneLevelCritical = 0; [L803] int retValue_acc ; [L804] int tmp ; [L808] FCALL select_helpers() [L809] FCALL select_features() [L810] CALL, EXPR valid_product() [L887] int retValue_acc ; [L890] retValue_acc = 1 [L891] return (retValue_acc); [L810] RET, EXPR valid_product() [L810] tmp = valid_product() [L812] COND TRUE \read(tmp) [L814] FCALL setup() [L815] CALL runTest() [L794] CALL test() [L423] int splverifierCounter ; [L424] int tmp ; [L425] int tmp___0 ; [L426] int tmp___1 ; [L427] int tmp___2 ; [L430] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L432] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L434] COND TRUE splverifierCounter < 4 [L440] tmp = __VERIFIER_nondet_int() [L442] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L444] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L914] COND TRUE waterLevel < 2 [L915] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L444] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L450] tmp___0 = __VERIFIER_nondet_int() [L452] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L460] tmp___2 = __VERIFIER_nondet_int() [L462] COND FALSE !(\read(tmp___2)) [L468] tmp___1 = __VERIFIER_nondet_int() [L470] COND TRUE \read(tmp___1) [L472] CALL stopSystem() [L698] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L705] systemActive = 0 [L472] RET stopSystem() [L479] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L507] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L514] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L522] CALL __utac_acc__Specification3_spec__1() [L828] int tmp ; [L829] int tmp___0 ; [L830] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L834] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L935] int retValue_acc ; [L938] retValue_acc = methaneLevelCritical [L939] return (retValue_acc); [L834] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L834] tmp = isMethaneLevelCritical() [L836] COND FALSE !(\read(tmp)) [L840] CALL, EXPR getWaterLevel() [L967] int retValue_acc ; [L970] retValue_acc = waterLevel [L971] return (retValue_acc); [L840] RET, EXPR getWaterLevel() [L840] tmp___0 = getWaterLevel() [L842] COND TRUE tmp___0 == 2 [L844] CALL, EXPR isPumpRunning() [L631] int retValue_acc ; [L634] retValue_acc = pumpRunning [L635] return (retValue_acc); [L844] RET, EXPR isPumpRunning() [L844] tmp___1 = isPumpRunning() [L846] COND FALSE !(\read(tmp___1)) [L850] CALL __automaton_fail() [L722] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 196 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 192 mSDsluCounter, 620 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 266 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 128 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 354 mSDtfsCounter, 128 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=4, 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 175 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 RESULT: Ultimate proved your program to be incorrect! [2024-10-14 03:09:07,718 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE