./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product64.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_product64.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 d436abf98cab5db4fbcf1977ce5628e2227cd7aa643df1d726e32cf2e71cb81f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 14:20:23,601 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 14:20:23,693 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 14:20:23,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 14:20:23,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 14:20:23,736 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 14:20:23,738 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 14:20:23,738 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 14:20:23,739 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 14:20:23,741 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 14:20:23,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 14:20:23,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 14:20:23,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 14:20:23,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 14:20:23,744 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 14:20:23,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 14:20:23,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 14:20:23,745 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 14:20:23,745 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 14:20:23,746 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 14:20:23,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 14:20:23,747 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 14:20:23,748 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 14:20:23,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 14:20:23,748 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 14:20:23,748 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 14:20:23,749 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 14:20:23,749 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 14:20:23,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 14:20:23,750 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 14:20:23,750 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 14:20:23,751 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 14:20:23,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:20:23,751 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 14:20:23,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 14:20:23,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 14:20:23,752 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 14:20:23,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 14:20:23,753 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 14:20:23,753 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 14:20:23,753 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 14:20:23,754 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 14:20:23,754 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d436abf98cab5db4fbcf1977ce5628e2227cd7aa643df1d726e32cf2e71cb81f [2024-11-18 14:20:24,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 14:20:24,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 14:20:24,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 14:20:24,037 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 14:20:24,037 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 14:20:24,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c [2024-11-18 14:20:25,448 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 14:20:25,700 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 14:20:25,701 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c [2024-11-18 14:20:25,717 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c31e75230/3f9f28df756e460eb9da9111c493dde9/FLAG3e76747c7 [2024-11-18 14:20:25,738 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c31e75230/3f9f28df756e460eb9da9111c493dde9 [2024-11-18 14:20:25,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 14:20:25,742 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 14:20:25,746 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 14:20:25,746 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 14:20:25,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 14:20:25,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:20:25" (1/1) ... [2024-11-18 14:20:25,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@792db9a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:25, skipping insertion in model container [2024-11-18 14:20:25,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:20:25" (1/1) ... [2024-11-18 14:20:25,803 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 14:20:26,153 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_product64.cil.c[19022,19035] [2024-11-18 14:20:26,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:20:26,182 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 14:20:26,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-18 14:20:26,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [87] [2024-11-18 14:20:26,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [363] [2024-11-18 14:20:26,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [435] [2024-11-18 14:20:26,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [539] [2024-11-18 14:20:26,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [905] [2024-11-18 14:20:26,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1001] [2024-11-18 14:20:26,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [1010] [2024-11-18 14:20:26,272 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_product64.cil.c[19022,19035] [2024-11-18 14:20:26,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:20:26,300 INFO L204 MainTranslator]: Completed translation [2024-11-18 14:20:26,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:26 WrapperNode [2024-11-18 14:20:26,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 14:20:26,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 14:20:26,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 14:20:26,302 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 14:20:26,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:26" (1/1) ... [2024-11-18 14:20:26,325 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:26" (1/1) ... [2024-11-18 14:20:26,359 INFO L138 Inliner]: procedures = 59, calls = 108, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 235 [2024-11-18 14:20:26,361 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 14:20:26,362 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 14:20:26,362 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 14:20:26,362 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 14:20:26,373 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:26" (1/1) ... [2024-11-18 14:20:26,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:26" (1/1) ... [2024-11-18 14:20:26,376 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:26" (1/1) ... [2024-11-18 14:20:26,407 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 14:20:26,407 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:26" (1/1) ... [2024-11-18 14:20:26,408 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:26" (1/1) ... [2024-11-18 14:20:26,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:26" (1/1) ... [2024-11-18 14:20:26,423 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:26" (1/1) ... [2024-11-18 14:20:26,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:26" (1/1) ... [2024-11-18 14:20:26,429 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:26" (1/1) ... [2024-11-18 14:20:26,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 14:20:26,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 14:20:26,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 14:20:26,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 14:20:26,439 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:26" (1/1) ... [2024-11-18 14:20:26,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:20:26,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:20:26,474 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 14:20:26,477 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 14:20:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 14:20:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-18 14:20:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-18 14:20:26,529 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-18 14:20:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-18 14:20:26,529 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-18 14:20:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-18 14:20:26,529 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-18 14:20:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-18 14:20:26,530 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-11-18 14:20:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-11-18 14:20:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-18 14:20:26,531 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-18 14:20:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-11-18 14:20:26,531 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-11-18 14:20:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-11-18 14:20:26,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-11-18 14:20:26,532 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-18 14:20:26,532 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-18 14:20:26,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 14:20:26,533 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-18 14:20:26,533 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-18 14:20:26,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 14:20:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 14:20:26,635 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 14:20:26,639 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 14:20:27,019 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-11-18 14:20:27,020 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 14:20:27,032 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 14:20:27,033 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-18 14:20:27,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:20:27 BoogieIcfgContainer [2024-11-18 14:20:27,033 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 14:20:27,035 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 14:20:27,036 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 14:20:27,040 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 14:20:27,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:20:25" (1/3) ... [2024-11-18 14:20:27,041 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@672679ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:20:27, skipping insertion in model container [2024-11-18 14:20:27,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:26" (2/3) ... [2024-11-18 14:20:27,044 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@672679ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:20:27, skipping insertion in model container [2024-11-18 14:20:27,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:20:27" (3/3) ... [2024-11-18 14:20:27,046 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product64.cil.c [2024-11-18 14:20:27,061 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 14:20:27,062 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 14:20:27,112 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 14:20:27,116 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;@1e5adaeb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 14:20:27,117 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 14:20:27,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 84 states have (on average 1.369047619047619) internal successors, (115), 95 states have internal predecessors, (115), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-18 14:20:27,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-18 14:20:27,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:27,136 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 14:20:27,137 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:27,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:27,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1815405350, now seen corresponding path program 1 times [2024-11-18 14:20:27,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:27,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153362056] [2024-11-18 14:20:27,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:27,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:27,373 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 14:20:27,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:27,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153362056] [2024-11-18 14:20:27,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153362056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:27,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:27,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 14:20:27,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804033547] [2024-11-18 14:20:27,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:27,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 14:20:27,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:27,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 14:20:27,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:20:27,412 INFO L87 Difference]: Start difference. First operand has 115 states, 84 states have (on average 1.369047619047619) internal successors, (115), 95 states have internal predecessors, (115), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) 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 14:20:27,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:27,456 INFO L93 Difference]: Finished difference Result 222 states and 301 transitions. [2024-11-18 14:20:27,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 14:20:27,458 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 14:20:27,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:27,467 INFO L225 Difference]: With dead ends: 222 [2024-11-18 14:20:27,467 INFO L226 Difference]: Without dead ends: 106 [2024-11-18 14:20:27,473 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 14:20:27,477 INFO L432 NwaCegarLoop]: 147 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, 147 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 14:20:27,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:27,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-18 14:20:27,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-11-18 14:20:27,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 77 states have (on average 1.3116883116883118) internal successors, (101), 87 states have internal predecessors, (101), 19 states have call successors, (19), 10 states have call predecessors, (19), 9 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-18 14:20:27,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 138 transitions. [2024-11-18 14:20:27,526 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 138 transitions. Word has length 25 [2024-11-18 14:20:27,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:27,527 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 138 transitions. [2024-11-18 14:20:27,527 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 14:20:27,528 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 138 transitions. [2024-11-18 14:20:27,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-18 14:20:27,531 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:27,531 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 14:20:27,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 14:20:27,531 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:27,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:27,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1446667371, now seen corresponding path program 1 times [2024-11-18 14:20:27,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:27,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235039479] [2024-11-18 14:20:27,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:27,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:27,678 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 14:20:27,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:27,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235039479] [2024-11-18 14:20:27,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235039479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:27,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:27,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:20:27,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524340122] [2024-11-18 14:20:27,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:27,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:20:27,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:27,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:20:27,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:20:27,685 INFO L87 Difference]: Start difference. First operand 106 states and 138 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 14:20:27,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:27,710 INFO L93 Difference]: Finished difference Result 173 states and 225 transitions. [2024-11-18 14:20:27,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:20:27,711 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 14:20:27,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:27,713 INFO L225 Difference]: With dead ends: 173 [2024-11-18 14:20:27,713 INFO L226 Difference]: Without dead ends: 97 [2024-11-18 14:20:27,716 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 14:20:27,717 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 17 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 228 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 14:20:27,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 228 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:27,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-18 14:20:27,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-18 14:20:27,731 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), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-18 14:20:27,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 126 transitions. [2024-11-18 14:20:27,733 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 126 transitions. Word has length 26 [2024-11-18 14:20:27,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:27,733 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 126 transitions. [2024-11-18 14:20:27,735 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 14:20:27,735 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 126 transitions. [2024-11-18 14:20:27,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-18 14:20:27,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:27,737 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:20:27,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 14:20:27,737 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:27,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:27,740 INFO L85 PathProgramCache]: Analyzing trace with hash -752091658, now seen corresponding path program 1 times [2024-11-18 14:20:27,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:27,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389990673] [2024-11-18 14:20:27,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:27,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:27,844 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 14:20:27,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:27,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389990673] [2024-11-18 14:20:27,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389990673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:27,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:27,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:20:27,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952900603] [2024-11-18 14:20:27,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:27,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:20:27,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:27,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:20:27,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:20:27,849 INFO L87 Difference]: Start difference. First operand 97 states and 126 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-18 14:20:27,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:27,886 INFO L93 Difference]: Finished difference Result 275 states and 363 transitions. [2024-11-18 14:20:27,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:20:27,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-18 14:20:27,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:27,890 INFO L225 Difference]: With dead ends: 275 [2024-11-18 14:20:27,893 INFO L226 Difference]: Without dead ends: 185 [2024-11-18 14:20:27,894 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 14:20:27,895 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 118 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:27,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 262 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:27,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-18 14:20:27,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 182. [2024-11-18 14:20:27,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 131 states have (on average 1.3435114503816794) internal successors, (176), 150 states have internal predecessors, (176), 32 states have call successors, (32), 18 states have call predecessors, (32), 18 states have return successors, (32), 21 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-18 14:20:27,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 240 transitions. [2024-11-18 14:20:27,936 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 240 transitions. Word has length 31 [2024-11-18 14:20:27,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:27,937 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 240 transitions. [2024-11-18 14:20:27,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-18 14:20:27,938 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 240 transitions. [2024-11-18 14:20:27,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-18 14:20:27,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:27,940 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 14:20:27,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 14:20:27,941 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:27,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:27,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1994729148, now seen corresponding path program 1 times [2024-11-18 14:20:27,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:27,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664946062] [2024-11-18 14:20:27,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:27,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:28,142 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 14:20:28,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:28,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664946062] [2024-11-18 14:20:28,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664946062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:28,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:28,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:20:28,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709443517] [2024-11-18 14:20:28,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:28,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:20:28,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:28,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:20:28,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:20:28,146 INFO L87 Difference]: Start difference. First operand 182 states and 240 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 14:20:28,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:28,277 INFO L93 Difference]: Finished difference Result 520 states and 709 transitions. [2024-11-18 14:20:28,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:20:28,280 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 14:20:28,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:28,286 INFO L225 Difference]: With dead ends: 520 [2024-11-18 14:20:28,287 INFO L226 Difference]: Without dead ends: 345 [2024-11-18 14:20:28,289 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 14:20:28,294 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 88 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 465 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 14:20:28,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 465 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:20:28,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-18 14:20:28,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2024-11-18 14:20:28,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 246 states have (on average 1.3252032520325203) internal successors, (326), 281 states have internal predecessors, (326), 64 states have call successors, (64), 36 states have call predecessors, (64), 34 states have return successors, (66), 40 states have call predecessors, (66), 64 states have call successors, (66) [2024-11-18 14:20:28,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 456 transitions. [2024-11-18 14:20:28,350 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 456 transitions. Word has length 34 [2024-11-18 14:20:28,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:28,352 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 456 transitions. [2024-11-18 14:20:28,352 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 14:20:28,352 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 456 transitions. [2024-11-18 14:20:28,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-18 14:20:28,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:28,361 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 14:20:28,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 14:20:28,361 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:28,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:28,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1105434487, now seen corresponding path program 1 times [2024-11-18 14:20:28,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:28,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118728451] [2024-11-18 14:20:28,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:28,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:28,528 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 14:20:28,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:28,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118728451] [2024-11-18 14:20:28,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118728451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:28,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:28,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:20:28,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945966792] [2024-11-18 14:20:28,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:28,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:20:28,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:28,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:20:28,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:20:28,531 INFO L87 Difference]: Start difference. First operand 345 states and 456 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 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 14:20:28,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:28,785 INFO L93 Difference]: Finished difference Result 858 states and 1172 transitions. [2024-11-18 14:20:28,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:20:28,786 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 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 14:20:28,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:28,792 INFO L225 Difference]: With dead ends: 858 [2024-11-18 14:20:28,792 INFO L226 Difference]: Without dead ends: 683 [2024-11-18 14:20:28,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:20:28,797 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 203 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:28,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 877 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 14:20:28,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2024-11-18 14:20:28,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 675. [2024-11-18 14:20:28,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 480 states have (on average 1.3208333333333333) internal successors, (634), 549 states have internal predecessors, (634), 126 states have call successors, (126), 70 states have call predecessors, (126), 68 states have return successors, (130), 80 states have call predecessors, (130), 126 states have call successors, (130) [2024-11-18 14:20:28,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 890 transitions. [2024-11-18 14:20:28,876 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 890 transitions. Word has length 36 [2024-11-18 14:20:28,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:28,876 INFO L471 AbstractCegarLoop]: Abstraction has 675 states and 890 transitions. [2024-11-18 14:20:28,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 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 14:20:28,876 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 890 transitions. [2024-11-18 14:20:28,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-18 14:20:28,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:28,879 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 14:20:28,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 14:20:28,879 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:28,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:28,880 INFO L85 PathProgramCache]: Analyzing trace with hash 695972842, now seen corresponding path program 1 times [2024-11-18 14:20:28,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:28,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148143548] [2024-11-18 14:20:28,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:28,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 14:20:28,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 14:20:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 14:20:28,939 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 14:20:28,939 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 14:20:28,941 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 14:20:28,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-18 14:20:28,948 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-18 14:20:28,997 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 14:20:29,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:20:29 BoogieIcfgContainer [2024-11-18 14:20:29,003 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 14:20:29,004 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 14:20:29,004 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 14:20:29,004 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 14:20:29,004 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:20:27" (3/4) ... [2024-11-18 14:20:29,005 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-18 14:20:29,068 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-18 14:20:29,068 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 14:20:29,069 INFO L158 Benchmark]: Toolchain (without parser) took 3326.85ms. Allocated memory was 157.3MB in the beginning and 255.9MB in the end (delta: 98.6MB). Free memory was 100.9MB in the beginning and 203.8MB in the end (delta: -102.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 14:20:29,069 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 157.3MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 14:20:29,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.35ms. Allocated memory is still 157.3MB. Free memory was 100.5MB in the beginning and 78.7MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-18 14:20:29,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.49ms. Allocated memory is still 157.3MB. Free memory was 78.7MB in the beginning and 76.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 14:20:29,070 INFO L158 Benchmark]: Boogie Preprocessor took 73.12ms. Allocated memory is still 157.3MB. Free memory was 76.1MB in the beginning and 73.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 14:20:29,070 INFO L158 Benchmark]: RCFGBuilder took 597.46ms. Allocated memory was 157.3MB in the beginning and 255.9MB in the end (delta: 98.6MB). Free memory was 73.7MB in the beginning and 217.4MB in the end (delta: -143.7MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2024-11-18 14:20:29,070 INFO L158 Benchmark]: TraceAbstraction took 1967.80ms. Allocated memory is still 255.9MB. Free memory was 217.4MB in the beginning and 208.0MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-11-18 14:20:29,070 INFO L158 Benchmark]: Witness Printer took 64.46ms. Allocated memory is still 255.9MB. Free memory was 208.0MB in the beginning and 203.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 14:20:29,074 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 157.3MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 555.35ms. Allocated memory is still 157.3MB. Free memory was 100.5MB in the beginning and 78.7MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.49ms. Allocated memory is still 157.3MB. Free memory was 78.7MB in the beginning and 76.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.12ms. Allocated memory is still 157.3MB. Free memory was 76.1MB in the beginning and 73.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 597.46ms. Allocated memory was 157.3MB in the beginning and 255.9MB in the end (delta: 98.6MB). Free memory was 73.7MB in the beginning and 217.4MB in the end (delta: -143.7MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1967.80ms. Allocated memory is still 255.9MB. Free memory was 217.4MB in the beginning and 208.0MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Witness Printer took 64.46ms. Allocated memory is still 255.9MB. Free memory was 208.0MB in the beginning and 203.8MB 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,"MinePump.i","") [87] - GenericResultAtLocation [Line: 363]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [363] - GenericResultAtLocation [Line: 435]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [435] - GenericResultAtLocation [Line: 539]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [539] - GenericResultAtLocation [Line: 905]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [905] - GenericResultAtLocation [Line: 1001]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1001] - GenericResultAtLocation [Line: 1010]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [1010] * 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: 1006]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L100] int pumpRunning = 0; [L101] int systemActive = 1; [L437] int waterLevel = 1; [L438] int methaneLevelCritical = 0; [L709] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L906] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L979] int retValue_acc ; [L980] int tmp ; [L984] FCALL select_helpers() [L985] FCALL select_features() [L986] 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] [L986] RET, EXPR valid_product() [L986] tmp = valid_product() [L988] COND TRUE \read(tmp) [L990] FCALL setup() [L991] CALL runTest() [L973] CALL test() [L368] int splverifierCounter ; [L369] int tmp ; [L370] int tmp___0 ; [L371] int tmp___1 ; [L372] int tmp___2 ; [L375] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L377] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L379] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L385] tmp = __VERIFIER_nondet_int() [L387] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L389] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L455] COND TRUE waterLevel < 2 [L456] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L389] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L395] tmp___0 = __VERIFIER_nondet_int() [L397] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L405] tmp___2 = __VERIFIER_nondet_int() [L407] COND FALSE !(\read(tmp___2)) [L413] tmp___1 = __VERIFIER_nondet_int() [L415] COND TRUE \read(tmp___1) [L417] CALL stopSystem() [L344] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L351] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L417] RET stopSystem() [L424] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L108] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L115] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L123] CALL __utac_acc__Specification3_spec__1() [L1012] int tmp ; [L1013] int tmp___0 ; [L1014] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1018] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L476] int retValue_acc ; [L479] retValue_acc = methaneLevelCritical [L480] 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] [L1018] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1018] tmp = isMethaneLevelCritical() [L1020] COND FALSE !(\read(tmp)) [L1024] CALL, EXPR getWaterLevel() [L508] int retValue_acc ; [L511] retValue_acc = waterLevel [L512] 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] [L1024] RET, EXPR getWaterLevel() [L1024] tmp___0 = getWaterLevel() [L1026] COND TRUE tmp___0 == 2 [L1028] CALL, EXPR isPumpRunning() [L258] int retValue_acc ; [L261] retValue_acc = pumpRunning [L262] 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] [L1028] RET, EXPR isPumpRunning() [L1028] tmp___1 = isPumpRunning() [L1030] COND FALSE !(\read(tmp___1)) [L1034] CALL __automaton_fail() [L1006] 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 11 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 430 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 426 mSDsluCounter, 1979 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1210 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 165 IncrementalHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 769 mSDtfsCounter, 165 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=675occurred in iteration=5, InterpolantAutomatonStates: 19, 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, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 147 ConstructedInterpolants, 0 QuantifiedInterpolants, 271 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 14:20:29,103 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