./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product55.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/product-lines/minepump_spec3_product55.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 ee424d693dfd8c88be1863ebdbdf37ea7e1818258f96fab9b4ff8bf142707b41 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 14:20:15,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 14:20:15,257 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 14:20:15,262 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 14:20:15,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 14:20:15,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 14:20:15,286 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 14:20:15,287 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 14:20:15,288 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 14:20:15,288 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 14:20:15,288 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 14:20:15,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 14:20:15,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 14:20:15,290 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 14:20:15,290 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 14:20:15,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 14:20:15,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 14:20:15,295 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 14:20:15,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 14:20:15,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 14:20:15,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 14:20:15,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 14:20:15,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 14:20:15,297 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 14:20:15,298 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 14:20:15,298 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 14:20:15,298 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 14:20:15,298 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 14:20:15,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 14:20:15,299 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 14:20:15,299 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 14:20:15,299 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 14:20:15,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:20:15,300 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 14:20:15,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 14:20:15,313 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 14:20:15,313 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 14:20:15,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 14:20:15,313 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 14:20:15,314 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 14:20:15,314 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 14:20:15,315 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 14:20:15,315 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee424d693dfd8c88be1863ebdbdf37ea7e1818258f96fab9b4ff8bf142707b41 [2024-11-18 14:20:15,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 14:20:15,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 14:20:15,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 14:20:15,627 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 14:20:15,627 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 14:20:15,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product55.cil.c [2024-11-18 14:20:17,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 14:20:17,361 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 14:20:17,362 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product55.cil.c [2024-11-18 14:20:17,375 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88311a02b/8188d8d0ebc8465bb263eb137b99dec4/FLAGe2828f4f0 [2024-11-18 14:20:17,392 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88311a02b/8188d8d0ebc8465bb263eb137b99dec4 [2024-11-18 14:20:17,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 14:20:17,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 14:20:17,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 14:20:17,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 14:20:17,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 14:20:17,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:20:17" (1/1) ... [2024-11-18 14:20:17,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66389b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:17, skipping insertion in model container [2024-11-18 14:20:17,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:20:17" (1/1) ... [2024-11-18 14:20:17,447 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 14:20:17,625 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product55.cil.c[3777,3790] [2024-11-18 14:20:17,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:20:17,747 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 14:20:17,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-18 14:20:17,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2024-11-18 14:20:17,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [198] [2024-11-18 14:20:17,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [207] [2024-11-18 14:20:17,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [573] [2024-11-18 14:20:17,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [672] [2024-11-18 14:20:17,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [915] [2024-11-18 14:20:17,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [949] [2024-11-18 14:20:17,777 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product55.cil.c[3777,3790] [2024-11-18 14:20:17,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:20:17,877 INFO L204 MainTranslator]: Completed translation [2024-11-18 14:20:17,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:17 WrapperNode [2024-11-18 14:20:17,878 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 14:20:17,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 14:20:17,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 14:20:17,879 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 14:20:17,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:17" (1/1) ... [2024-11-18 14:20:17,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:17" (1/1) ... [2024-11-18 14:20:17,942 INFO L138 Inliner]: procedures = 57, calls = 105, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 233 [2024-11-18 14:20:17,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 14:20:17,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 14:20:17,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 14:20:17,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 14:20:17,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:17" (1/1) ... [2024-11-18 14:20:17,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:17" (1/1) ... [2024-11-18 14:20:17,956 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:17" (1/1) ... [2024-11-18 14:20:17,975 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 14:20:17,976 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:17" (1/1) ... [2024-11-18 14:20:17,977 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:17" (1/1) ... [2024-11-18 14:20:17,984 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:17" (1/1) ... [2024-11-18 14:20:17,990 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:17" (1/1) ... [2024-11-18 14:20:17,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:17" (1/1) ... [2024-11-18 14:20:17,993 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:17" (1/1) ... [2024-11-18 14:20:17,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 14:20:17,997 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 14:20:17,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 14:20:17,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 14:20:17,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:17" (1/1) ... [2024-11-18 14:20:18,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:20:18,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:20:18,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 14:20:18,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 14:20:18,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 14:20:18,097 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-18 14:20:18,098 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-18 14:20:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-18 14:20:18,098 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-18 14:20:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-18 14:20:18,098 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-18 14:20:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-18 14:20:18,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-18 14:20:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-11-18 14:20:18,099 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-11-18 14:20:18,100 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-18 14:20:18,103 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-18 14:20:18,103 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-18 14:20:18,103 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-18 14:20:18,103 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-18 14:20:18,103 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-18 14:20:18,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 14:20:18,104 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-18 14:20:18,104 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-18 14:20:18,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 14:20:18,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 14:20:18,199 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 14:20:18,200 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 14:20:18,472 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-18 14:20:18,472 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 14:20:18,493 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 14:20:18,493 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-18 14:20:18,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:20:18 BoogieIcfgContainer [2024-11-18 14:20:18,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 14:20:18,495 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 14:20:18,495 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 14:20:18,498 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 14:20:18,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:20:17" (1/3) ... [2024-11-18 14:20:18,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4849381a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:20:18, skipping insertion in model container [2024-11-18 14:20:18,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:17" (2/3) ... [2024-11-18 14:20:18,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4849381a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:20:18, skipping insertion in model container [2024-11-18 14:20:18,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:20:18" (3/3) ... [2024-11-18 14:20:18,500 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product55.cil.c [2024-11-18 14:20:18,513 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 14:20:18,513 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 14:20:18,569 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 14:20:18,576 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;@7b0113d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 14:20:18,576 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 14:20:18,581 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 78 states have (on average 1.3846153846153846) internal successors, (108), 89 states have internal predecessors, (108), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-18 14:20:18,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-18 14:20:18,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:18,589 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] [2024-11-18 14:20:18,589 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:18,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:18,594 INFO L85 PathProgramCache]: Analyzing trace with hash -460090863, now seen corresponding path program 1 times [2024-11-18 14:20:18,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:18,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757279012] [2024-11-18 14:20:18,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:18,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:18,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:18,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:18,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757279012] [2024-11-18 14:20:18,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757279012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:18,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:18,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 14:20:18,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550549946] [2024-11-18 14:20:18,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:18,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 14:20:18,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:18,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 14:20:18,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:20:18,799 INFO L87 Difference]: Start difference. First operand has 106 states, 78 states have (on average 1.3846153846153846) internal successors, (108), 89 states have internal predecessors, (108), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2024-11-18 14:20:18,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:18,836 INFO L93 Difference]: Finished difference Result 204 states and 279 transitions. [2024-11-18 14:20:18,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 14:20:18,839 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2024-11-18 14:20:18,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:18,847 INFO L225 Difference]: With dead ends: 204 [2024-11-18 14:20:18,848 INFO L226 Difference]: Without dead ends: 97 [2024-11-18 14:20:18,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:20:18,857 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:18,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:18,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-18 14:20:18,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-18 14:20:18,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 71 states have (on average 1.323943661971831) internal successors, (94), 81 states have internal predecessors, (94), 17 states have call successors, (17), 9 states have call predecessors, (17), 8 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-18 14:20:18,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 127 transitions. [2024-11-18 14:20:18,916 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 127 transitions. Word has length 25 [2024-11-18 14:20:18,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:18,916 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 127 transitions. [2024-11-18 14:20:18,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2024-11-18 14:20:18,917 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 127 transitions. [2024-11-18 14:20:18,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-18 14:20:18,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:18,920 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] [2024-11-18 14:20:18,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 14:20:18,920 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:18,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:18,922 INFO L85 PathProgramCache]: Analyzing trace with hash -541866074, now seen corresponding path program 1 times [2024-11-18 14:20:18,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:18,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992557955] [2024-11-18 14:20:18,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:18,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:19,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:19,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:19,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992557955] [2024-11-18 14:20:19,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992557955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:19,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:19,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:20:19,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634320759] [2024-11-18 14:20:19,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:19,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:20:19,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:19,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:20:19,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:20:19,063 INFO L87 Difference]: Start difference. First operand 97 states and 127 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-18 14:20:19,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:19,084 INFO L93 Difference]: Finished difference Result 156 states and 204 transitions. [2024-11-18 14:20:19,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:20:19,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2024-11-18 14:20:19,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:19,088 INFO L225 Difference]: With dead ends: 156 [2024-11-18 14:20:19,088 INFO L226 Difference]: Without dead ends: 88 [2024-11-18 14:20:19,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:20:19,090 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 16 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:19,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 207 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:19,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-18 14:20:19,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-18 14:20:19,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 65 states have (on average 1.3384615384615384) internal successors, (87), 75 states have internal predecessors, (87), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-18 14:20:19,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 115 transitions. [2024-11-18 14:20:19,103 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 115 transitions. Word has length 26 [2024-11-18 14:20:19,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:19,103 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 115 transitions. [2024-11-18 14:20:19,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-18 14:20:19,104 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 115 transitions. [2024-11-18 14:20:19,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-18 14:20:19,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:19,106 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] [2024-11-18 14:20:19,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 14:20:19,107 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:19,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:19,107 INFO L85 PathProgramCache]: Analyzing trace with hash -470908360, now seen corresponding path program 1 times [2024-11-18 14:20:19,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:19,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232212103] [2024-11-18 14:20:19,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:19,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:19,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:19,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:19,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232212103] [2024-11-18 14:20:19,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232212103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:19,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:19,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:20:19,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948561847] [2024-11-18 14:20:19,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:19,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:20:19,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:19,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:20:19,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:20:19,270 INFO L87 Difference]: Start difference. First operand 88 states and 115 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-18 14:20:19,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:19,315 INFO L93 Difference]: Finished difference Result 249 states and 331 transitions. [2024-11-18 14:20:19,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:20:19,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 30 [2024-11-18 14:20:19,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:19,322 INFO L225 Difference]: With dead ends: 249 [2024-11-18 14:20:19,322 INFO L226 Difference]: Without dead ends: 168 [2024-11-18 14:20:19,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:20:19,326 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 95 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:19,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 236 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:19,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-18 14:20:19,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 165. [2024-11-18 14:20:19,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 120 states have (on average 1.3583333333333334) internal successors, (163), 139 states have internal predecessors, (163), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (28), 17 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-18 14:20:19,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 219 transitions. [2024-11-18 14:20:19,370 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 219 transitions. Word has length 30 [2024-11-18 14:20:19,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:19,371 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 219 transitions. [2024-11-18 14:20:19,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-18 14:20:19,371 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 219 transitions. [2024-11-18 14:20:19,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-18 14:20:19,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:19,375 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:20:19,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 14:20:19,376 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:19,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:19,377 INFO L85 PathProgramCache]: Analyzing trace with hash -200767314, now seen corresponding path program 1 times [2024-11-18 14:20:19,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:19,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663631045] [2024-11-18 14:20:19,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:19,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:19,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:19,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:19,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663631045] [2024-11-18 14:20:19,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663631045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:19,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:19,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:20:19,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131727675] [2024-11-18 14:20:19,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:19,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:20:19,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:19,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:20:19,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:20:19,548 INFO L87 Difference]: Start difference. First operand 165 states and 219 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-18 14:20:19,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:19,676 INFO L93 Difference]: Finished difference Result 469 states and 646 transitions. [2024-11-18 14:20:19,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:20:19,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 34 [2024-11-18 14:20:19,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:19,681 INFO L225 Difference]: With dead ends: 469 [2024-11-18 14:20:19,682 INFO L226 Difference]: Without dead ends: 311 [2024-11-18 14:20:19,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:20:19,684 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 77 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:19,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 421 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:20:19,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-18 14:20:19,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 311. [2024-11-18 14:20:19,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 224 states have (on average 1.3392857142857142) internal successors, (300), 259 states have internal predecessors, (300), 56 states have call successors, (56), 32 states have call predecessors, (56), 30 states have return successors, (58), 32 states have call predecessors, (58), 56 states have call successors, (58) [2024-11-18 14:20:19,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 414 transitions. [2024-11-18 14:20:19,715 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 414 transitions. Word has length 34 [2024-11-18 14:20:19,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:19,715 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 414 transitions. [2024-11-18 14:20:19,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-18 14:20:19,716 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 414 transitions. [2024-11-18 14:20:19,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-18 14:20:19,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:19,723 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:20:19,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 14:20:19,723 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:19,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:19,724 INFO L85 PathProgramCache]: Analyzing trace with hash -119718157, now seen corresponding path program 1 times [2024-11-18 14:20:19,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:19,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931821858] [2024-11-18 14:20:19,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:19,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:19,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:19,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:19,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931821858] [2024-11-18 14:20:19,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931821858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:19,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:19,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:20:19,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763456243] [2024-11-18 14:20:19,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:19,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:20:19,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:19,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:20:19,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:20:19,802 INFO L87 Difference]: Start difference. First operand 311 states and 414 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-18 14:20:19,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:19,876 INFO L93 Difference]: Finished difference Result 753 states and 1021 transitions. [2024-11-18 14:20:19,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:20:19,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 36 [2024-11-18 14:20:19,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:19,881 INFO L225 Difference]: With dead ends: 753 [2024-11-18 14:20:19,883 INFO L226 Difference]: Without dead ends: 449 [2024-11-18 14:20:19,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:20:19,886 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 65 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:19,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 192 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:19,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-18 14:20:19,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 440. [2024-11-18 14:20:19,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 327 states have (on average 1.2874617737003058) internal successors, (421), 349 states have internal predecessors, (421), 59 states have call successors, (59), 53 states have call predecessors, (59), 53 states have return successors, (83), 54 states have call predecessors, (83), 59 states have call successors, (83) [2024-11-18 14:20:19,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 563 transitions. [2024-11-18 14:20:19,940 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 563 transitions. Word has length 36 [2024-11-18 14:20:19,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:19,941 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 563 transitions. [2024-11-18 14:20:19,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-18 14:20:19,941 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 563 transitions. [2024-11-18 14:20:19,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-18 14:20:19,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:19,944 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:20:19,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 14:20:19,945 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:19,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:19,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1778845972, now seen corresponding path program 1 times [2024-11-18 14:20:19,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:19,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956987239] [2024-11-18 14:20:19,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:19,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 14:20:19,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 14:20:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 14:20:20,001 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 14:20:20,001 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 14:20:20,004 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 14:20:20,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-18 14:20:20,008 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-18 14:20:20,059 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 14:20:20,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:20:20 BoogieIcfgContainer [2024-11-18 14:20:20,063 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 14:20:20,063 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 14:20:20,063 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 14:20:20,063 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 14:20:20,064 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:20:18" (3/4) ... [2024-11-18 14:20:20,068 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-18 14:20:20,134 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-18 14:20:20,135 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 14:20:20,135 INFO L158 Benchmark]: Toolchain (without parser) took 2740.37ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 128.1MB in the beginning and 81.5MB in the end (delta: 46.5MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. [2024-11-18 14:20:20,136 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 163.6MB. Free memory is still 131.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 14:20:20,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.40ms. Allocated memory is still 163.6MB. Free memory was 128.1MB in the beginning and 106.1MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-18 14:20:20,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.85ms. Allocated memory is still 163.6MB. Free memory was 106.1MB in the beginning and 103.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 14:20:20,137 INFO L158 Benchmark]: Boogie Preprocessor took 52.97ms. Allocated memory is still 163.6MB. Free memory was 103.6MB in the beginning and 101.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 14:20:20,137 INFO L158 Benchmark]: RCFGBuilder took 496.30ms. Allocated memory is still 163.6MB. Free memory was 101.3MB in the beginning and 114.2MB in the end (delta: -12.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-18 14:20:20,137 INFO L158 Benchmark]: TraceAbstraction took 1567.61ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 113.5MB in the beginning and 85.7MB in the end (delta: 27.7MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. [2024-11-18 14:20:20,138 INFO L158 Benchmark]: Witness Printer took 71.53ms. Allocated memory is still 197.1MB. Free memory was 85.7MB in the beginning and 81.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 14:20:20,139 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 163.6MB. Free memory is still 131.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.40ms. Allocated memory is still 163.6MB. Free memory was 128.1MB in the beginning and 106.1MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.85ms. Allocated memory is still 163.6MB. Free memory was 106.1MB in the beginning and 103.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.97ms. Allocated memory is still 163.6MB. Free memory was 103.6MB in the beginning and 101.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 496.30ms. Allocated memory is still 163.6MB. Free memory was 101.3MB in the beginning and 114.2MB in the end (delta: -12.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1567.61ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 113.5MB in the beginning and 85.7MB in the end (delta: 27.7MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. * Witness Printer took 71.53ms. Allocated memory is still 197.1MB. Free memory was 85.7MB in the beginning and 81.5MB 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 198]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [198] - GenericResultAtLocation [Line: 207]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [207] - GenericResultAtLocation [Line: 573]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [573] - GenericResultAtLocation [Line: 672]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [672] - GenericResultAtLocation [Line: 915]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [915] - GenericResultAtLocation [Line: 949]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [949] * 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: 203]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L96] int waterLevel = 1; [L97] int methaneLevelCritical = 0; [L377] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L574] int cleanupTimeShifts = 4; [L677] int pumpRunning = 0; [L678] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L650] int retValue_acc ; [L651] int tmp ; [L655] FCALL select_helpers() [L656] FCALL select_features() [L657] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L657] RET, EXPR valid_product() [L657] tmp = valid_product() [L659] COND TRUE \read(tmp) [L661] FCALL setup() [L662] CALL runTest() [L644] CALL test() [L951] int splverifierCounter ; [L952] int tmp ; [L953] int tmp___0 ; [L954] int tmp___1 ; [L955] int tmp___2 ; [L958] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L960] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L962] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L968] tmp = __VERIFIER_nondet_int() [L970] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L972] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L114] COND TRUE waterLevel < 2 [L115] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L972] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L978] tmp___0 = __VERIFIER_nondet_int() [L980] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L988] tmp___2 = __VERIFIER_nondet_int() [L990] COND FALSE !(\read(tmp___2)) [L994] tmp___1 = __VERIFIER_nondet_int() [L996] COND TRUE \read(tmp___1) [L998] CALL stopSystem() [L904] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L911] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L998] RET stopSystem() [L1005] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L685] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L692] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L700] CALL __utac_acc__Specification3_spec__1() [L917] int tmp ; [L918] int tmp___0 ; [L919] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L923] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L135] int retValue_acc ; [L138] retValue_acc = methaneLevelCritical [L139] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L923] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L923] tmp = isMethaneLevelCritical() [L925] COND FALSE !(\read(tmp)) [L929] CALL, EXPR getWaterLevel() [L167] int retValue_acc ; [L170] retValue_acc = waterLevel [L171] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L929] RET, EXPR getWaterLevel() [L929] tmp___0 = getWaterLevel() [L931] COND TRUE tmp___0 == 2 [L933] CALL, EXPR isPumpRunning() [L818] int retValue_acc ; [L821] retValue_acc = pumpRunning [L822] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L933] RET, EXPR isPumpRunning() [L933] tmp___1 = isPumpRunning() [L935] COND FALSE !(\read(tmp___1)) [L939] CALL __automaton_fail() [L203] 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, 106 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 257 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 253 mSDsluCounter, 1192 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 588 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 604 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=440occurred in iteration=5, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 278 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! [2024-11-18 14:20:20,171 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