./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_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 9f40985114caeb048340f647c2568d018899bc3d78f19b72dfc5765d669ba2a6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 02:59:17,126 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 02:59:17,204 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 02:59:17,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 02:59:17,210 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 02:59:17,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 02:59:17,236 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 02:59:17,237 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 02:59:17,237 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 02:59:17,238 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 02:59:17,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 02:59:17,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 02:59:17,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 02:59:17,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 02:59:17,240 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 02:59:17,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 02:59:17,241 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 02:59:17,241 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 02:59:17,241 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 02:59:17,242 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 02:59:17,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 02:59:17,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 02:59:17,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 02:59:17,243 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 02:59:17,244 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 02:59:17,244 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 02:59:17,244 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 02:59:17,245 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 02:59:17,245 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 02:59:17,246 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 02:59:17,246 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 02:59:17,246 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 02:59:17,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:59:17,247 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 02:59:17,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 02:59:17,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 02:59:17,248 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 02:59:17,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 02:59:17,249 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 02:59:17,249 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 02:59:17,250 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 02:59:17,253 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 02:59:17,254 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f40985114caeb048340f647c2568d018899bc3d78f19b72dfc5765d669ba2a6 [2024-10-11 02:59:17,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 02:59:17,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 02:59:17,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 02:59:17,549 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 02:59:17,550 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 02:59:17,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c [2024-10-11 02:59:19,054 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 02:59:19,254 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 02:59:19,255 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c [2024-10-11 02:59:19,275 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/bb18be909/d38a6a771e0f41eabac9e379c1339977/FLAG0e2d35fac [2024-10-11 02:59:19,621 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/bb18be909/d38a6a771e0f41eabac9e379c1339977 [2024-10-11 02:59:19,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 02:59:19,625 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 02:59:19,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 02:59:19,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 02:59:19,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 02:59:19,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:59:19" (1/1) ... [2024-10-11 02:59:19,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a57e7f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:59:19, skipping insertion in model container [2024-10-11 02:59:19,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:59:19" (1/1) ... [2024-10-11 02:59:19,679 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 02:59:19,855 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_product14.cil.c[1605,1618] [2024-10-11 02:59:19,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:59:19,974 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 02:59:19,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-10-11 02:59:19,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] [2024-10-11 02:59:19,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [96] [2024-10-11 02:59:19,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133] [2024-10-11 02:59:19,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [298] [2024-10-11 02:59:19,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [664] [2024-10-11 02:59:19,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [734] [2024-10-11 02:59:19,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [830] [2024-10-11 02:59:19,995 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_product14.cil.c[1605,1618] [2024-10-11 02:59:20,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:59:20,080 INFO L204 MainTranslator]: Completed translation [2024-10-11 02:59:20,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:59:20 WrapperNode [2024-10-11 02:59:20,081 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 02:59:20,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 02:59:20,082 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 02:59:20,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 02:59:20,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:59:20" (1/1) ... [2024-10-11 02:59:20,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:59:20" (1/1) ... [2024-10-11 02:59:20,123 INFO L138 Inliner]: procedures = 52, calls = 96, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 154 [2024-10-11 02:59:20,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 02:59:20,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 02:59:20,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 02:59:20,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 02:59:20,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:59:20" (1/1) ... [2024-10-11 02:59:20,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:59:20" (1/1) ... [2024-10-11 02:59:20,136 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:59:20" (1/1) ... [2024-10-11 02:59:20,149 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]. [2024-10-11 02:59:20,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:59:20" (1/1) ... [2024-10-11 02:59:20,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:59:20" (1/1) ... [2024-10-11 02:59:20,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:59:20" (1/1) ... [2024-10-11 02:59:20,157 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:59:20" (1/1) ... [2024-10-11 02:59:20,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:59:20" (1/1) ... [2024-10-11 02:59:20,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:59:20" (1/1) ... [2024-10-11 02:59:20,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 02:59:20,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 02:59:20,164 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 02:59:20,164 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 02:59:20,165 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:59:20" (1/1) ... [2024-10-11 02:59:20,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:59:20,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:59:20,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 02:59:20,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 02:59:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 02:59:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-10-11 02:59:20,252 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-10-11 02:59:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-10-11 02:59:20,253 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-10-11 02:59:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-10-11 02:59:20,253 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-10-11 02:59:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-10-11 02:59:20,253 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-10-11 02:59:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-10-11 02:59:20,254 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-10-11 02:59:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-10-11 02:59:20,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-10-11 02:59:20,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 02:59:20,255 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-10-11 02:59:20,255 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-10-11 02:59:20,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 02:59:20,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 02:59:20,335 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 02:59:20,338 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 02:59:20,571 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-10-11 02:59:20,571 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 02:59:20,675 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 02:59:20,678 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 02:59:20,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:59:20 BoogieIcfgContainer [2024-10-11 02:59:20,679 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 02:59:20,681 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 02:59:20,681 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 02:59:20,685 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 02:59:20,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:59:19" (1/3) ... [2024-10-11 02:59:20,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a8e78aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:59:20, skipping insertion in model container [2024-10-11 02:59:20,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:59:20" (2/3) ... [2024-10-11 02:59:20,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a8e78aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:59:20, skipping insertion in model container [2024-10-11 02:59:20,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:59:20" (3/3) ... [2024-10-11 02:59:20,687 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product14.cil.c [2024-10-11 02:59:20,700 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 02:59:20,700 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 02:59:20,750 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 02:59:20,756 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;@59a7ee00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 02:59:20,757 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 02:59:20,761 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 41 states have (on average 1.5365853658536586) internal successors, (63), 47 states have internal predecessors, (63), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-11 02:59:20,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 02:59:20,769 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:59:20,769 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:59:20,770 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:59:20,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:59:20,776 INFO L85 PathProgramCache]: Analyzing trace with hash 924204092, now seen corresponding path program 1 times [2024-10-11 02:59:20,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:59:20,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332152832] [2024-10-11 02:59:20,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:59:20,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:59:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:59:20,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 02:59:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:59:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 02:59:20,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:59:20,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332152832] [2024-10-11 02:59:20,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332152832] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:59:20,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:59:20,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 02:59:20,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163366493] [2024-10-11 02:59:20,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:59:20,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 02:59:20,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:59:20,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 02:59:20,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 02:59:20,992 INFO L87 Difference]: Start difference. First operand has 61 states, 41 states have (on average 1.5365853658536586) internal successors, (63), 47 states have internal predecessors, (63), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) 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) [2024-10-11 02:59:21,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:59:21,040 INFO L93 Difference]: Finished difference Result 120 states and 171 transitions. [2024-10-11 02:59:21,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 02:59:21,042 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 [2024-10-11 02:59:21,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:59:21,051 INFO L225 Difference]: With dead ends: 120 [2024-10-11 02:59:21,052 INFO L226 Difference]: Without dead ends: 56 [2024-10-11 02:59:21,055 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 [2024-10-11 02:59:21,058 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:59:21,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:59:21,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-10-11 02:59:21,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-10-11 02:59:21,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 38 states have (on average 1.394736842105263) internal successors, (53), 43 states have internal predecessors, (53), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 02:59:21,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 74 transitions. [2024-10-11 02:59:21,098 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 74 transitions. Word has length 17 [2024-10-11 02:59:21,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:59:21,098 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 74 transitions. [2024-10-11 02:59:21,098 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) [2024-10-11 02:59:21,099 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 74 transitions. [2024-10-11 02:59:21,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-11 02:59:21,100 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:59:21,101 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:59:21,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 02:59:21,101 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:59:21,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:59:21,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1201714537, now seen corresponding path program 1 times [2024-10-11 02:59:21,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:59:21,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243341816] [2024-10-11 02:59:21,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:59:21,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:59:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:59:21,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 02:59:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:59:21,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 02:59:21,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:59:21,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243341816] [2024-10-11 02:59:21,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243341816] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:59:21,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:59:21,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 02:59:21,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011942810] [2024-10-11 02:59:21,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:59:21,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:59:21,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:59:21,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:59:21,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 02:59:21,215 INFO L87 Difference]: Start difference. First operand 56 states and 74 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) [2024-10-11 02:59:21,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:59:21,255 INFO L93 Difference]: Finished difference Result 85 states and 111 transitions. [2024-10-11 02:59:21,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:59:21,258 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 [2024-10-11 02:59:21,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:59:21,260 INFO L225 Difference]: With dead ends: 85 [2024-10-11 02:59:21,260 INFO L226 Difference]: Without dead ends: 48 [2024-10-11 02:59:21,260 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 [2024-10-11 02:59:21,262 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 11 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:59:21,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 93 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:59:21,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-11 02:59:21,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-10-11 02:59:21,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 38 states have internal predecessors, (47), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 02:59:21,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 63 transitions. [2024-10-11 02:59:21,273 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 63 transitions. Word has length 18 [2024-10-11 02:59:21,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:59:21,274 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 63 transitions. [2024-10-11 02:59:21,274 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) [2024-10-11 02:59:21,274 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2024-10-11 02:59:21,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-11 02:59:21,275 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:59:21,275 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] [2024-10-11 02:59:21,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 02:59:21,276 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:59:21,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:59:21,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1813784298, now seen corresponding path program 1 times [2024-10-11 02:59:21,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:59:21,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797916715] [2024-10-11 02:59:21,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:59:21,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:59:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:59:21,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 02:59:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:59:21,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 02:59:21,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:59:21,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797916715] [2024-10-11 02:59:21,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797916715] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:59:21,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:59:21,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 02:59:21,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332647397] [2024-10-11 02:59:21,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:59:21,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:59:21,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:59:21,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:59:21,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 02:59:21,362 INFO L87 Difference]: Start difference. First operand 48 states and 63 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) [2024-10-11 02:59:21,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:59:21,398 INFO L93 Difference]: Finished difference Result 94 states and 125 transitions. [2024-10-11 02:59:21,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:59:21,399 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 [2024-10-11 02:59:21,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:59:21,400 INFO L225 Difference]: With dead ends: 94 [2024-10-11 02:59:21,400 INFO L226 Difference]: Without dead ends: 48 [2024-10-11 02:59:21,401 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 [2024-10-11 02:59:21,402 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 58 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:59:21,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 51 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:59:21,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-11 02:59:21,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-10-11 02:59:21,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.393939393939394) internal successors, (46), 38 states have internal predecessors, (46), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 02:59:21,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 62 transitions. [2024-10-11 02:59:21,416 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 62 transitions. Word has length 21 [2024-10-11 02:59:21,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:59:21,416 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 62 transitions. [2024-10-11 02:59:21,416 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) [2024-10-11 02:59:21,417 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2024-10-11 02:59:21,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-11 02:59:21,420 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:59:21,420 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] [2024-10-11 02:59:21,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 02:59:21,421 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:59:21,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:59:21,421 INFO L85 PathProgramCache]: Analyzing trace with hash 119360941, now seen corresponding path program 1 times [2024-10-11 02:59:21,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:59:21,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616258708] [2024-10-11 02:59:21,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:59:21,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:59:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:59:21,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 02:59:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:59:21,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 02:59:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:59:21,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 02:59:21,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:59:21,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616258708] [2024-10-11 02:59:21,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616258708] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:59:21,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:59:21,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 02:59:21,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359754228] [2024-10-11 02:59:21,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:59:21,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 02:59:21,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:59:21,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 02:59:21,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 02:59:21,602 INFO L87 Difference]: Start difference. First operand 48 states and 62 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, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 02:59:21,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:59:21,689 INFO L93 Difference]: Finished difference Result 134 states and 180 transitions. [2024-10-11 02:59:21,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 02:59:21,690 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, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-10-11 02:59:21,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:59:21,691 INFO L225 Difference]: With dead ends: 134 [2024-10-11 02:59:21,691 INFO L226 Difference]: Without dead ends: 88 [2024-10-11 02:59:21,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 02:59:21,693 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 33 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:59:21,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 145 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 02:59:21,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-10-11 02:59:21,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-10-11 02:59:21,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 60 states have (on average 1.3666666666666667) internal successors, (82), 68 states have internal predecessors, (82), 16 states have call successors, (16), 12 states have call predecessors, (16), 11 states have return successors, (17), 13 states have call predecessors, (17), 16 states have call successors, (17) [2024-10-11 02:59:21,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 115 transitions. [2024-10-11 02:59:21,706 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 115 transitions. Word has length 26 [2024-10-11 02:59:21,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:59:21,706 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 115 transitions. [2024-10-11 02:59:21,707 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, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 02:59:21,707 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 115 transitions. [2024-10-11 02:59:21,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-11 02:59:21,708 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:59:21,708 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:59:21,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 02:59:21,708 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:59:21,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:59:21,709 INFO L85 PathProgramCache]: Analyzing trace with hash 381610995, now seen corresponding path program 1 times [2024-10-11 02:59:21,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:59:21,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033833667] [2024-10-11 02:59:21,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:59:21,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:59:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 02:59:21,721 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 02:59:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 02:59:21,750 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 02:59:21,750 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 02:59:21,751 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 02:59:21,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 02:59:21,754 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-11 02:59:21,780 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 02:59:21,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:59:21 BoogieIcfgContainer [2024-10-11 02:59:21,783 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 02:59:21,783 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 02:59:21,783 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 02:59:21,783 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 02:59:21,784 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:59:20" (3/4) ... [2024-10-11 02:59:21,784 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-11 02:59:21,839 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 02:59:21,839 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 02:59:21,840 INFO L158 Benchmark]: Toolchain (without parser) took 2215.02ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 111.2MB in the beginning and 104.2MB in the end (delta: 7.0MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2024-10-11 02:59:21,840 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 128.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 02:59:21,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.75ms. Allocated memory is still 167.8MB. Free memory was 111.2MB in the beginning and 90.6MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-11 02:59:21,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.19ms. Allocated memory is still 167.8MB. Free memory was 90.6MB in the beginning and 88.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 02:59:21,841 INFO L158 Benchmark]: Boogie Preprocessor took 37.31ms. Allocated memory is still 167.8MB. Free memory was 88.7MB in the beginning and 86.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 02:59:21,842 INFO L158 Benchmark]: RCFGBuilder took 515.08ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 86.1MB in the beginning and 184.7MB in the end (delta: -98.6MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-10-11 02:59:21,842 INFO L158 Benchmark]: TraceAbstraction took 1101.73ms. Allocated memory is still 216.0MB. Free memory was 183.9MB in the beginning and 108.4MB in the end (delta: 75.5MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2024-10-11 02:59:21,842 INFO L158 Benchmark]: Witness Printer took 56.29ms. Allocated memory is still 216.0MB. Free memory was 108.4MB in the beginning and 104.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 02:59:21,844 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 128.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 454.75ms. Allocated memory is still 167.8MB. Free memory was 111.2MB in the beginning and 90.6MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.19ms. Allocated memory is still 167.8MB. Free memory was 90.6MB in the beginning and 88.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.31ms. Allocated memory is still 167.8MB. Free memory was 88.7MB in the beginning and 86.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 515.08ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 86.1MB in the beginning and 184.7MB in the end (delta: -98.6MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1101.73ms. Allocated memory is still 216.0MB. Free memory was 183.9MB in the beginning and 108.4MB in the end (delta: 75.5MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * Witness Printer took 56.29ms. Allocated memory is still 216.0MB. Free memory was 108.4MB in the beginning and 104.2MB in the end (delta: 4.2MB). 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [96] - GenericResultAtLocation [Line: 133]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133] - GenericResultAtLocation [Line: 298]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [298] - GenericResultAtLocation [Line: 664]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [664] - GenericResultAtLocation [Line: 734]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [734] - GenericResultAtLocation [Line: 830]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [830] * 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: 54]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L141] int pumpRunning = 0; [L142] int systemActive = 1; [L468] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L735] int cleanupTimeShifts = 4; [L831] int waterLevel = 1; [L832] int methaneLevelCritical = 0; [L808] int retValue_acc ; [L809] int tmp ; [L813] FCALL select_helpers() [L814] FCALL select_features() [L815] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); [L815] RET, EXPR valid_product() [L815] tmp = valid_product() [L817] COND TRUE \read(tmp) [L819] FCALL setup() [L820] CALL runTest() [L802] CALL test() [L669] int splverifierCounter ; [L670] int tmp ; [L671] int tmp___0 ; [L672] int tmp___1 ; [L673] int tmp___2 ; [L676] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L678] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L680] COND TRUE splverifierCounter < 4 [L686] tmp = __VERIFIER_nondet_int() [L688] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L690] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L849] COND TRUE waterLevel < 2 [L850] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L690] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L696] tmp___0 = __VERIFIER_nondet_int() [L698] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L706] tmp___2 = __VERIFIER_nondet_int() [L708] COND TRUE \read(tmp___2) [L710] CALL startSystem() [L294] systemActive = 1 [L710] RET startSystem() [L723] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L148] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L155] COND TRUE \read(systemActive) [L157] CALL processEnvironment() [L177] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L180] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L195] FCALL processEnvironment__wrappee__methaneQuery() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L157] RET processEnvironment() [L163] CALL __utac_acc__Specification3_spec__1() [L101] int tmp ; [L102] int tmp___0 ; [L103] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L107] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L870] int retValue_acc ; [L873] retValue_acc = methaneLevelCritical [L874] return (retValue_acc); [L107] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L107] tmp = isMethaneLevelCritical() [L109] COND FALSE !(\read(tmp)) [L113] CALL, EXPR getWaterLevel() [L902] int retValue_acc ; [L905] retValue_acc = waterLevel [L906] return (retValue_acc); [L113] RET, EXPR getWaterLevel() [L113] tmp___0 = getWaterLevel() [L115] COND TRUE tmp___0 == 2 [L117] CALL, EXPR isPumpRunning() [L246] int retValue_acc ; [L249] retValue_acc = pumpRunning [L250] return (retValue_acc); [L117] RET, EXPR isPumpRunning() [L117] tmp___1 = isPumpRunning() [L119] COND FALSE !(\read(tmp___1)) [L123] CALL __automaton_fail() [L54] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 105 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 102 mSDsluCounter, 356 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 136 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 220 mSDtfsCounter, 80 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred in iteration=4, InterpolantAutomatonStates: 12, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-10-11 02:59:21,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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